1Sun Mar 31 05:10:10 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
2
3	* stor-layout.c (layout_decl): Don't make a bitfield an integral mode
4	if the mode of the field type is not MODE_INT.
5
6	* sched.c (schedule_block): CALL_INSNs don't affect fixed regs.
7	* flow.c (propagate_block): CALL_INSNs don't kill fixed regs.
8
9Sat Mar 30 03:32:48 1996  Torbjorn Granlund  <tege@noisy.tmg.se>
10
11	* expmed.c (expand_divmod, case TRUNC_DIV_EXPR): Move some code
12	to avoid shifting by a too large count.
13
14Fri Mar 29 15:45:51 1996  Doug Evans  <dje@cygnus.com>
15
16	* configure (i[3456]86-*-sunos5*): Delete, config.sub converts
17	sunos5 to solaris2.
18	(sparc-*-sunos5*): Likewise.
19	(sparc64-*-{solaris2*,sunos5*}): Delete.  Stick with sparc-*-solaris2*.
20
21	* sparc.h (FUNCTION_PROFILER): Save/restore %g2 around mcount call.
22
23Fri Mar 29 14:20:31 1996  Stan Cox  <coxs@dg-rtp.dg.com>
24
25	* i386.c (notice_update_cc): Clear cc_status if ref modified MEM.
26
27Fri Mar 29 09:37:52 1996  Jeffrey A. Law  <law@cygnus.com>
28
29	* calls.c (expand_call): Remove current_call_is_indirect nonsense.
30	Add additional argument to INIT_CUMULATIVE_ARGS.
31	(emit_library_call): Likewise.
32	(emit_library_call_value): Likewise.
33	* expr.c (expand_builtin): Likewise.
34	* function.c (assign_parms): Likewise.
35	* pa.h (hppa_args): New field "indirect".
36	(INIT_CUMULATIVE_ARGS): Initialize "indirect" field.
37	(FUNCTION_ARG): Check "indirect" field, rather than
38	"current_call_is_indirect".
39	* a29k.h (INIT_CUMULATIVE_ARGS):New arg, INDIRECT.
40	* alpha.h (INIT_CUMULATIVE_ARGS): Likewise.
41	* arm.h (INIT_CUMULATIVE_ARGS): Likewise.
42	* clipper.h (INIT_CUMULATIVE_ARGS): Likewise.
43	* convex.h (INIT_CUMULATIVE_ARGS): Likewise.
44	* dsp16xx.h (INIT_CUMULATIVE_ARGS): Likewise.
45	* elxsi.h (INIT_CUMULATIVE_ARGS): Likewise.
46	* fx80.h (INIT_CUMULATIVE_ARGS): Likewise.
47	* gmicro.h (INIT_CUMULATIVE_ARGS): Likewise.
48	* h8300.h (INIT_CUMULATIVE_ARGS): Likewise.
49	* i370/mvs.h (INIT_CUMULATIVE_ARGS): Likewise.
50	* i386.h (INIT_CUMULATIVE_ARGS): Likewise.
51	* i860.h (INIT_CUMULATIVE_ARGS): Likewise.
52	* i960.h (INIT_CUMULATIVE_ARGS): Likewise.
53	* m68k.h (INIT_CUMULATIVE_ARGS): Likewise.
54	* m68k/mot3300.h (INIT_CUMULATIVE_ARGS): Likewise.
55	* m88k.h (INIT_CUMULATIVE_ARGS): Likewise.
56	* mips.h (INIT_CUMULATIVE_ARGS): Likewise.
57	* ns32k.h (INIT_CUMULATIVE_ARGS): Likewise.
58	* pdp11.h (INIT_CUMULATIVE_ARGS): Likewise.
59	* pyr.h (INIT_CUMULATIVE_ARGS): Likewise.
60	* romp.h (INIT_CUMULATIVE_ARGS): Likewise.
61	* rs6000.h (INIT_CUMULATIVE_ARGS): Likewise.
62	* sh.h (INIT_CUMULATIVE_ARGS): Likewise.
63	* sparc.h (INIT_CUMULATIVE_ARGS): Likewise.
64	* spur.h (INIT_CUMULATIVE_ARGS): Likewise.
65	* tahoe.h (INIT_CUMULATIVE_ARGS): Likewise.
66	* vax.h (INIT_CUMULATIVE_ARGS): Likewise.
67	* we32k.h (INIT_CUMULATIVE_ARGS): Likewise.
68	* mips.c (mips_expand_prologue): Add extra arg to
69	INIT_CUMULATIVE_ARGS call.
70
71Thu Mar 28 18:45:49 1996  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
72
73	* alpha.c (summarize_insn): Fix three "off-by-one" bugs in loop bounds.
74
75Thu Mar 28 16:50:10 1996  Doug Evans  <dje@cygnus.com>
76
77	* ginclude/inl-sparc.h: Deleted.
78
79Thu Mar 28 12:07:31 1996  Jeffrey A. Law  <law@cygnus.com>
80
81	* va-h8300.h (va_arg): Don't assume sizeof (int) == 4.
82
83	* pa.c (hppa_legitimize_address): Don't lose for
84	(plus (plus (mult (A) (shadd_const)) (B)) (C)) if
85	B + C isn't a valid address for indexing.
86	(basereg_operand): Only accept base registers after
87	cse has completed.  Don't accept the frame pointer if
88	it's likely to be eliminated.
89	* pa.md (unscaled indexing patterns): Add variants with
90	basereg and index register reversed.
91	(HImode and QImode loads): Add zero extended variants.
92
93Wed Mar 27 07:45:27 1996  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
94
95	* expmed.c (negate_rtx): Fix typo in previous change.
96
97Tue Mar 26 13:50:43 1996  Jim Wilson  <wilson@mole.gnu.ai.mit.edu>
98
99	* calls.c (expand_call): In convert_to_mode call, use word_mode
100	not SImode.
101
102Tue Mar 26 13:44:34 1996  Doug Evans  <dje@canuck.cygnus.com>
103
104	* configure: Delete unnecessary special handling of --with-cpu.
105
106Tue Mar 26 10:41:57 1996  Jeffrey A. Law  <law@cygnus.com>
107
108	* expr.c (emit_push_insn): When doing a partial push, emit
109	a CLOBBER so that flow doesn't think the entire register
110	is live.
111
112Tue Mar 26 10:00:52 1996  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
113
114	* alpha.c (summarize_insn, default case): Properly use format_ptr.
115
116Tue Mar 26 09:51:09 1996  Philippe De Muyter (phdm@info.ucl.ac.be)
117
118	* m68k.h (output_move_simode_const): New extern declaration.
119	* m68k.c (output_move_simode_const): New function.
120	(singlemove_string): Call it.
121	* m68k.md (fullword move): Likewise.
122
123Tue Mar 26 05:43:06 1996  Torbjorn Granlund  <tege@noisy.tmg.se>
124
125	* vax.md (insv matcher): Call CC_STATUS_INIT.
126	* vax.h (NOTICE_UPDATE_CC): Handle ZERO_EXTRACT destination.
127
128Mon Mar 25 19:18:08 1996  Jason Merrill  <jason@yorick.cygnus.com>
129
130	* function.c (expand_function_start): Don't set up context_display
131	unless current_function_needs_context.
132
133Mon Mar 25 18:48:18 1996  Philippe De Muyter  <phdm@info.ucl.ac.be>
134
135	* fold-const.c (fold, case BIT_IOR_EXPR): Recognize rotates
136	with variable count.
137
138Mon Mar 25 18:05:28 1996  Jim Wilson  <wilson@cygnus.com>
139
140	* Makefile.in (libgcc1-test): Undo Feb 12 change.
141
142Mon Mar 25 08:09:59 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
143
144	* objc/thread-single.c (objc_mutex_unlock): Properly declare thread_id.
145
146Mon Mar 25 08:02:50 1996  Philippe De Muyter  <phdm@info.ucl.ac.be>
147
148	* configure (m68k-motorola-sysv*): Fixed indentation.
149
150Sun Mar 24 08:16:42 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
151
152	* expmed.c (negate_rtx): Don't try to negate a constant ourself;
153	instead call simplify_unary_operation.
154
155Sun Mar 24 07:29:06 1996  Richard Henderson  <rth@tamu.edu>
156
157	* gcc.c (process_command): Instead of hardcoding non-empty
158	switches_need_spaces to turn on "o" and "L", make the string
159	contain the switches that need the spaces.
160	* m68k/ccur-GAS.h (SWITCHES_NEED_SPACES): Change definition
161	correspondingly.
162
163Sat Mar 23 18:34:44 1996  Harry Dolan  <dolan@ssd.intel.com>
164
165	* i860/paragon.h (LIB_SPEC): Always output -lmach.
166
167Sat Mar 23 18:25:39 1996  J"orn Rennecke (amylaar@meolyon.hanse.de)
168
169	* c-typeck.c (set_init_index): Check for use outside an array
170	initializer.
171
172        * defaults.h (ASM_OUTPUT_ADDR_DIFF_ELT): Delete.
173        * pdp11.h (ASM_OUTPUT_ADDR_DIFF_ELT): Don't define.
174
175Sat Mar 23 15:55:35 1996  Doug Evans  <dje@canuck.cygnus.com>
176
177	* combine.c (make_extraction): In BITS_BIG_ENDIAN correction of POS,
178	need to treat MEM and REG differently.
179
180	* sparc.h (SPARC_SIMM{10,11,13}_P): Define.
181	(SMALL_INT): Use SPARC_SIMM13_P.
182	(CONST_OK_FOR_LETTER_P): Support new letters L,M.
183	* sparc.c (arith11_operand): Use SPARC_SIMM11_P.
184	(arith10_operand): Use SPARC_SIMM10_P.
185	* sparc.md (*mov{qi,hi,si,di}_cc_sp64): Fix constraints.
186	(*mov{qi,hi,si,di}_cc_reg_sp64): Likewise.
187
188Sat Mar 23 07:47:19 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
189
190	* m68k/linux.h (TRAMPOLINE_TEMPLATE): Correct first instruction.
191	* m68k/m68kv4.h (TRAMPOLINE_TEMPLATE): Likewise.
192
193Sat Mar 23 07:06:55 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
194
195	* bc-emit.c (bc_emit_instruction): Add missing va_end call.
196
197	* c-typeck.c (build_array_ref): Give error if subscripting a function.
198
199Fri Mar 22 09:11:45 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
200
201	* local-alloc.c (optimize_reg_copy_1): Only update reg_live_length
202	if it is non-negative.
203
204Thu Mar 21 14:42:26 1996  Doug Evans  <dje@cygnus.com>
205
206	* sparc/splet.h (STARTFILE_SPEC,LINK_SPEC): Define.
207
208Wed Mar 20 17:23:18 1996  Jim Wilson  <wilson@cygnus.com>
209
210	* cse.c (note_mem_written): Delete obsolete code for handling
211	(mem (scratch)).
212
213	* mips.c (mips_expand_prologue): In initialization of fnargs, delete
214	special treatment of METHOD_TYPE.
215
216Wed Mar 20 17:07:45 1996  Doug Evans  <dje@cygnus.com>
217
218	* sparc/sol2.h (ASM_CPU_SPEC): Recognize -mcpu=v8plus, not v9.
219	Fix typo in ultrasparc entry.
220	* sparc.h (CPP_CPU_SPEC): Add v8plus entry.
221	(ASM_CPU_SPEC): Likewise.
222
223	* sparc.c (fcc_reg_operand): Ensure correct mode.
224	(icc_or_fcc_reg_operand): Likewise.
225	(gen_v9_scc): IF_THEN_ELSE must have a mode.
226	(print_operand): New operand code `x' for all condition codes.
227	New operand codes `c,d' for reversed conditional moves.
228	* sparc.md (movqicc,movhicc): New named patterns.
229	(movdicc): if_then_else must have a mode.
230	(movsicc,movsfcc,movdfcc,movtfcc): Likewise.
231	Change condition to TARGET_V9, not TARGET_ARCH64.
232	Fail if DImode compare and ! TARGET_ARCH64.
233	(conditional move matchers): Rewrite.
234
235Wed Mar 20 16:12:29 1996  Stan Cox  <coxs@wombat.gnu.ai.mit.edu>
236
237	* i386.h (HARD_REGNO_MODE_OK): Relax QImode constraint to
238	avoid a reload problem.
239
240Wed Mar 20 13:12:22 1996  Jeffrey A. Law  <law@cygnus.com>
241
242	* pa.c (hppa_legitimize_address): Don't lose for x[n-const]
243	when n-const will not be shifted.  Don't pessimize code for
244	x[n-const] when const is small.
245
246Wed Mar 20 11:42:32 1996  Markus Theissinger  <Markus.Theissinger@gmd.de>
247
248	* m68k/sun3.h (LIB_SPEC): Don't link /usr/lib/bb_link.o with `gcc -a'.
249	(__bb_init_func): Deleted.
250	(BLOCK_PROFILER_CODE): Don't set macro to nothing.
251
252	* m68k/xm-sun3.h: New file.
253	* configure (m68k-sun-sunos*): Use it.
254
255	* xm-linux.h (HAVE_POPEN): New define.
256
257Wed Mar 20 11:28:37 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
258
259	* m68k/linux.h (ASM_SPEC): Deleted.
260	(STRUCT_VALUE_REGNUM): Redefine as register a0.
261	(STATIC_CHAIN_REGNUM): Redefine as register a1.
262	(TRAMPOLINE_TEMPLATE): Redefine to use the right register.
263
264Wed Mar 20 08:04:34 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
265
266	* libgcc2.c (__dummy): New function.
267	* Makefile.in (LIB2FUNCS): Add __dummy.
268	* expr.c (expand_builtin, case BUILT_IN_SETJMP): Call "setjmp"
269	pattern, if any.
270	Call dummy function pointed to by static chain pointer.
271	(expand_builtin, case BUILT_IN_LONJMP): Ignore second expression.
272	Set address of __dummy into static chain pointer.
273	Copy the label to return to into a pseudo earlier.
274
275	* stupid.c (last_setjmp_suid, regs_crosses_setjmp): New variables.
276	(stupid_life_analysis, stupid_mark_refs): Use them to track which
277	regs are live over a setjmp; don't allocate such regs.
278
279Tue Mar 19 22:02:07 1996  Jason Merrill  <jason@yorick.cygnus.com>
280
281	* cplus-dem.c (demangle_template): Fix for non-mangled pointer
282	arguments.
283
284Tue Mar 19 13:54:06 1996  Jeffrey A. Law  <law@wombat.gnu.ai.mit.edu>
285
286	* pa.c (compute_frame_size): Update comments to reflect reality.
287	(hppa_expand_prologue): Don't save registers which aren't
288	used, even if it creates holes.  Partially undoes changes from
289	early March.
290	(hppa_expand_epilogue): Likewise.
291
292Tue Mar 19 08:25:17 1996  J"orn Rennecke (amylaar@meolyon.hanse.de)
293
294	* stmt.c (struct case_node): New member balance.
295	(add_case_node): New function.
296	(pushcase, pushcase_range): Use it.
297	(case_tree2list): New function.
298	(expand_end_case): Use it.
299
300Tue Mar 19 07:44:22 1996  Stephen L Moshier  (moshier@world.std.com)
301
302	* regstack.c (move_for_stack_reg): Avoid stack overflow while
303	storing XFmode from fp reg to memory.
304
305Tue Mar 19 07:38:03 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
306
307	* m68k.h (MASK_*): New macros.
308	(OVERRIDE_OPTIONS): Use them.
309	(TARGET_SWITCHES): Likewise.
310	Treat -m68332 like -m68000.
311
312Mon Mar 18 20:04:13 1996  Richard Earnshaw (rearnsha@armltd.co.uk)
313
314	* expmed.c (emit_store_flag): If expanding (GE X 0) will need two
315	insns, don't use subtarget for the result of the first insn.
316	Move a likely constant to the start of a condition.
317
318Mon Mar 18 19:48:14 1996  Philippe De Muyter  <phdm@info.ucl.ac.be>
319
320	* m68k.h (CONST_OK_FOR_LETTER_VALUE): New constraint 'M'.
321	* m68k.c (output_function_epilogue): Restore registers using sp+
322	instead of fp(n) in leaf functions.
323	(USE_MOVQ, use_movq): Function replaced by macro.
324	* m68k.md (pushexthisi_const, movsi_const0): New names.
325	(andsi3, iorsi3): Allow only 'M', not 'K' constants, if dest is 'd'.
326
327Mon Mar 18 19:33:20 1996  Fila Kolodny <fila@ibi.com>
328
329	* i370/t-mvs: New file.
330	* configure (i370-*-mvs*): Use it.
331	* i370/mvs.h (FUNCTION_PROLOGUE): LE/370 takes 120 bytes for DSA.
332	Have only one copy of timestamp and PPA2 per object module.
333	Only have unnamed CSECT to match IBM C.
334
335Mon Mar 18 19:26:21 1996  Paul Russell  (Rusty.Russell@adelaide.maptek.com.au)
336
337	* combine.c (simplify_if_then_else): Allow for case that
338	condition might no longer be a condition.
339
340Mon Mar 18 19:14:42 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
341
342	* c-typeck.c (build_conditional_expr): If OP1 is null, set
343	both OP1 and ORIG_OP1 to IFEXP.
344
345	* c-iterate.c (iterator_loop_epilogue): Don't clear DECL_RTL
346	for a static decl.
347
348Mon Mar 18 08:02:25 1996  Stephen L Moshier <moshier@world.std.com>
349
350	* alpha.c (summarize_insn, case SUBREG, CONST_*): New cases.
351
352Sun Mar 17 16:55:00 1996  Doug Evans  <dje@cygnus.com>
353
354	* combine.c (find_split_point): Handle NULL return from
355	make_extraction.
356	(make_field_assignment): Likewise.
357
358Sat Mar 16 18:56:47 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
359
360	* tree.c (substitute_in_expr, case COMPONENT_REF): Ignore
361	if inner PLACEHOLDER_EXPR has not yet been initialized.
362
363	* i386.c (standard_80386_constant_p): -0.0 is not 0.0.
364	* i386.md (insv): Restore missing end of comment.
365
366	* combine.c (make_extraction): Correct typo in force_to_mode
367	call in previous change.
368	Return 0 if pos+len out of range of want desired mode.
369
370Sat Mar 16 16:20:43 1996  David Mosberger-Tang  <davidm@azstarnet.com>
371
372	* alpha.md (trap): New attribute.
373	Modify patterns for all floating-point trap generating instructions.
374	* alpha.h (CPP_SPEC): Added -mieee and -mieee-with-inexact.
375	(alpha_trap_precision, alpha_fp_rounding_mode, alpha_fp_trap_mode):
376	New enum types.
377	(target_flags, alpha_tp, alpha_fprm, alpha_fptm): New external vars.
378	(alpha_fprm_string, alpha_fptm_string, alpha_tp_string): Likewise.
379	(TARGET_IEEE{,_WITH_INEXACT,_CONFORMANT}): New macros.
380	(MASK_IEEE{,_WITH_INEXACT,_CONFORMANT}): Likewise.
381	(MASK_FP, MASK_FPREGS,
382	(TARGET_SWITCHES): Added "ieee-conformant", "ieee", and
383	"ieee-with-inexact"; use MASK symbols.
384	(TARGET_OPTIONS): New macro.
385	(OVERRIDE_OPTIONS, FINAL_PRESCAN_{INSN,LABEL}): New macros.
386	(PRINT_OPERAND_PUNCT_VALID_P): Allow operand codes for FP insns.
387	(CC1_SPEC): New macro.
388	* alpha.c (alpha_tp, alpha_fprm, alpha_fptm): New variables.
389	(alpha_tp_string, alpha_fprm_string, alpha_fptm_string
390	(trap_pending): Likewise.
391	(override_options, summarize_insn, final_prescan_insn): New functions.
392	(print_operand): Handle cases '&', '\'', ')', and '+'.
393	(output_prolog): Emit ".eflag 48" if TARGET_IEEE_CONFORMANT.
394	(output_epilog): Call final_prescan_insn before emitting epilog.
395
396	* final.c (final_scan_insn, case CODE_LABEL): Invoke
397	FINAL_PRESCAN_INSN if FINAL_SCAN_LABEL is defined.
398
399	* alpha/{linux.h,x-linux,xm-linux.h}: New files.
400	* configure (alpha-*-linux*): New case.
401	* alpha.c (output_prolog): Set alpha_function_needs_gp if profiling
402	and TARGET_PROFILING_NEEDS_GP defined.
403
404Thu Mar 14 22:28:20 1996  David Edelsohn  <edelsohn@mhpcc.edu>
405
406	* rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): Fix last change.
407	* aix41.h (LINK_SPEC): add -bnoentry if shared and no explicit entry.
408
409Thu Mar 14 12:47:33 1996  Jim Wilson  <wilson@cygnus.com>
410
411	* mips.h (ASM_OUTPUT_DOUBLE_INT): Use 'X' if CONST_INT and
412	HOST_BITS_PER_WIDE_INT == 64.
413
414	* mips.c (mips_expand_prologue): Change TYPE_NEEDS_CONSTRUCTING to
415	TREE_ADDRESSABLE;
416
417Thu Mar 14 11:21:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
418
419	* rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): For 32-bit mode,
420	allow TImode variables with int offsets, so that structures
421	greater than 8 bytes and less than or equal to 16 bytes can be
422	instantiated correctly.
423
424	* rs6000.c (rs6000_valid_type_attribute_p): Add exception
425	attribute for Windows NT.
426
427	* win-nt.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete, merge into
428	ASM_DECLARE_FUNCTION_NAME.
429	(ASM_DECLARE_FUNCTION_NAME): Add support for exception attribute
430	setting fields 3 & 4 of the structured exception handling table.
431
432Thu Mar 14 01:53:19 1996  Jeffrey A. Law  <law@cygnus.com>
433
434	* pa.h (ASM_DECLARE_FUNCTION_NAME): Change TYPE_NEEDS_CONSTRUCTING
435	to TREE_ADDRESSABLE.  From Jim Wilson.
436
437Wed Mar 13 13:40:32 1996  Jim Wilson  <wilson@chestnut.cygnus.com>
438
439	* c-tree.h (warn_sign_compare): Add extern to declaration.
440
441Wed Mar 13 13:37:00 1996  Doug Evans  <dje@cygnus.com>
442
443	* configure: Use cross-make and build-make if building
444	cross compiler with cross compiler.
445
446Wed Mar 13 12:00:34 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
447
448	* i386/cygwin32.h (ASM_OUTPUT_ALIGN): Correct defination.
449
450	* rs6000/{win-nt,cygwin32}.h (STARTFILE_SPEC): Add crti.o before
451	all objects.
452	(ENDFILE_SPEC): Add crtn.o after all objects.
453
454	* configure (powerpcle-*-cygwin32): Use t-winnt, not t-cygin32
455	* rs6000/t-cygwin32: Delete, no longer used.
456
457	* rs6000/t-winnt ({,INSTALL_}LIBGCC): Build and install crti.o and
458	crtn.o.
459
460	* rs6000/win-nt.h (EXTRA_SECTION_FUNCTIONS): Add ctors_section and
461	dtors_section.
462	(INVOKE__main): Define, so that __main is called.
463	(ASM_OUTPUT_{CONSTRUCTOR,DESTRUCTOR}): Define to put pointers to
464	the constructor/destructor in the appropriate section.
465
466	* nt-c{i,n}.asm: New files to be linked before/after all of the users'
467	objects.
468
469Wed Mar 13 00:42:17 1996  Per Bothner  <bothner@cygnus.com>
470
471	* dbxout.c (dbxout_type):  Better "variant" handling to ignore
472	const/volatile but not typedef names.  Improves Feb 12 change.
473
474Tue Mar 12 17:25:14 1996  David Mosberger-Tang  <davidm@azstarnet.com>
475
476	* glimits.h (__LONG_MAX__): On Alpha, use 64 bit value.
477
478Tue Mar 12 15:07:49 1996  Torbjorn Granlund  <tege@tmg.se>
479
480	* m68k.c (valid_dbcc_comparison_p): Don't test cc_prev_status here.
481	(flags_in_68881): New function.
482	* m68k.md (dbra peepholes): Use flags_in_68881.
483
484Tue Mar 12 13:54:15 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
485
486	* sparc.md (nonlocal_goto): Emit barrier after jump.
487	(setjmp{,_64,_32}): New patterns.
488
489Tue Mar 12 12:43:27 1996  Jim Wilson  <wilson@cygnus.com>
490
491	* i960.h (ROUND_TYPE_SIZE): Return round_up result instead of
492	COMPUTED.
493
494	* expr.c (expand_expr, case COMPONENT_REF): For unaligned object in
495	an aligned union, delete check for EXPAND_SUM.
496
497	* expr.h (clear_storage): Add comment terminator.
498
499Mon Mar 11 19:07:50 1996  Jeffrey A. Law  <law@cygnus.com>
500
501	* recog.c (constrain_operands, case 'V'): Don't call
502	offsettable_memref_p before reload has completed.
503
504Mon Mar 11 16:06:13 1996  Doug Evans  <dje@cygnus.com>
505
506	* h8300.h (SP_AND_G_REGS): Renamed from SP_AND_G_REG.
507	(CC_DONE_CBIT): Delete.
508	(CC_OVERFLOW_0,CC_OVERFLOW_UNUSABLE,CC_NO_CARRY): Define.
509	* h8300.c (cond_string): Delete CC_DONE_CBIT handling.
510	(notice_update_cc): Delete CC_CBIT, CC_WHOOPS.  Add CC_SET_ZN_C0.
511	(restore_compare_p): New function.
512	(shift_one): Use shll instead of shal so overflow bit is usable.
513	Set cc_valid bits to cc_status.flags values.
514	(emit_a_shift): Set cc_status.flags.
515	* h8300.md (attr cc): Delete whoops,cbit.  Add set_zn_c0.
516	(all patterns) Update cc attr setting.
517	(tstqi,tsthi,tstsi): Delete CC_DONE_CBIT handling.
518	(addhi3,subhi3): Change define_expand to define_insn.
519	(branch_true,branch_false): Check if compare needs to be restored.
520
521Mon Mar 11 13:55:23 1996  Michael Meissner  <meissner@cygnus.com>
522
523	* rs6000.h (CONST_DOUBLE_OK_FOR_LETTER_P): Add 'H' for movdi
524	patterns in 32 bit that generate 3 instructions.
525	(num_insns_constant): Add declaration.
526
527	* rs6000.c (num_insns_constant{,_wide}) Functions to determine the
528	number of insns it takes to generate an integer constant.
529	(easy_fp_constant): Allow DImode in easy constants.  Use
530	num_insns_constant_wide.
531	(input_operand): Allow any CONST_{INT,DOUBLE}'s for {SI,DI}mode.
532
533	* rs6000.md (movdi): Generate a normal movdi using a CONST_DOUBLE
534	for 32 bit mode rather than using SUBREG's.  For 64 bit mode,
535	break large integer constants into smaller pieces.  Add various
536	define_splits to handle loading the various DImode constants.
537
538Mon Mar 11 06:54:19 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
539
540	* combine.c (make_extraction): Use proper mode for INNER in all cases.
541	(simplify_comparison, case ZERO_EXTRACT): For bits big endian and
542	no extzv, use BITS_PER_WORD.
543	* fx80.md, gmicro.md, i386.md, m68k.md, tahoe.md, vax.md:
544	Use proper modes and predicates for {sign,zero}_extract.
545
546Sun Mar 10 06:23:52 1996  J"orn Rennecke (amylaar@meolyon.hanse.de)
547
548	* emit-rtl.c (free_insn): New variable.
549	(init_emit, restore_emit_status): Clear it.
550	(gen_sequence): Store insn in free_insn when sequence length is 1.
551	(make_insn_raw): Use free_insn if available and still in the
552	rtl generation phase.
553
554Fri Mar  8 15:37:31 1996  Mike Stump  <mrs@cygnus.com>
555
556	* expr.c (expand_expr, case TARGET_EXPR): Delay putting the cleanup
557	on the cleanup chain until after the subexpression has been expanded.
558
559Fri Mar  8 16:14:51 1996  J"orn Rennecke (amylaar@meolyon.hanse.de)
560
561        * i386.c (ix86_binary_operator_ok): One memory operand is OK.
562        This is independent of commutativity.
563
564Fri Mar  8 14:07:43 1996  Jim Wilson  <wilson@cygnus.com>
565
566	* expr.c (store_constructor_field): Call store_field if bitpos is
567	nonzero and target is not a MEM.
568
569	* jump.c (jump_optimize): When handle a USE insn before an
570	unconditional jump, disable the optimization if the USE is the
571	only insn in the loop.
572
573	* sh.c (reg_unused_after): Return 0 if see a JUMP_INSN.
574
575Fri Mar  8 12:08:36 1996  Doug Evans  <dje@cygnus.com>
576
577	* sparc/lynx.h (CPP_SPEC): Use %(cpp_cpu).
578
579	* sparc/sparc.md (move_pic_label_si,move_label_di): Rewrite length
580	attr calcs to be more conservative.
581
582Thu Mar  7 19:14:21 1996  Doug Evans  <dje@cygnus.com>
583
584	* sparc/t-splet: New file.
585	* sparc/splet.h: New file.
586	* configure (sparclet-*-aout*): Use them.
587
588	* sparc.h (MASK_LIVE_G0,TARGET_LIVE_G0): Define.
589	(FIRST_PSEUDO_REGISTER): Add 1 for %icc (now 101).
590	(FIXED_REGISTERS,CALL_USED_REGISTERS): Update.
591	(FIXED_REGISTERS): %g0 is fixed by default.
592	(SPARC_{FIRST,LAST}_V9_FCC_REG): Define.
593	(SPARC_{ICC,FCC}_REG): Define.
594	(CONDITIONAL_REGISTER_USAGE): Don't fix %fcc0 if v8.
595	(REG_CLASS_CONTENTS): Reg 0 is an int reg, reg 100 is %icc.
596	(REGNO_REG_CLASS): Rewrite to use global `sparc_regno_reg_class'.
597	(REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER,LEAF_REGISTERS): Add %icc.
598	(REG_CLASS_FROM_LETTER): Handle 'c' for FPCC_REGS in non-v9 case.
599	(REGNO_OK_FOR_{BASE,INDEX}_P): Treat %g0 as a normal reg.
600	(REG_OK_FOR_{BASE,INDEX}_P,EXTRA_CONSTRAINT): Likewise.
601	(REGISTER_NAMES): Add %icc.
602	(ADDITIONAL_REGISTER_NAMES): Use SPARC_ICC_REG.
603	* sparc.c (leaf_reg_remap): Add %icc=100.
604	(reg_or_0_operand): Don't allow 0 if TARGET_LIVE_G0.
605	(fcc_reg_operand): Renamed from ccfp_reg_operand.
606	Use SPARC_FCC_REG.  Don't treat reg 0 as an fcc reg.  Don't match
607	modes if `mode' argument is VOIDmode.
608	(icc_or_fcc_reg_operand): New function.
609	(gen_compare_reg): Use SPARC_FCC_REG for v8 fp compares.
610	Use SPARC_ICC_REG for int compares.
611	(eligible_for_epilogue_delay): Don't allow anything if TARGET_LIVE_G0.
612	Delete unnecessary test for %g0.
613	(emit_move_sequence): Don't emit (set (mem) (const_int 0)) if
614	TARGET_LIVE_G0.
615	(output_scc_insn): Label moved to operand 3.  Condition code reg
616	moved to operand 2.
617	(sparc_mode_class): Enum C_MODE renamed to CC_MODE.
618	(hard_32bit_mode_classes): Set reg 0 to S_MODES.  Add entry for %icc.
619	(hard_64bit_mode_classes): Set reg 0 to D_MODES.  Add entry for %icc.
620	(sparc_regno_reg_class): New global.
621	(sparc_init_modes): Initialize it.
622	(output_cbranch): Delete fp_cond_reg argument.
623	(print_operand, MEM op): Don't print "%g0+" if TARGET_LIVE_G0.
624	(sparc_flat_eligible_for_epilogue_delay): Don't allow anything if
625	TARGET_LIVE_G0.
626	* sparc.md (live_g0): New attribute.
627	(*): Integer condition code register is now reg 100.
628	Use SPARC_ICC_REG instead of hardcoding reg 100 where possible.
629	Non-v9 floating point condition code register is now reg 96.
630	(*cmp{sf,df,tf}_{fpe,fp}_sp{32,64}): Combine v9/non-v9 cases.
631	(*{normal,inverted}_{,fp,fpe}_branch): Update call to output_cbranch.
632	(*mov{qi,hi,si}_insn): Don't use if TARGET_LIVE_G0.
633	(*mov{qi,hi,si}_insn_liveg0): New patterns.
634	(*mov{si,di,sf,df,tf}_ccfp{,e}_sp64): ccfp_reg_operand renamed to
635	fcc_reg_operand.
636	(*negdi2_sp32,negsi2,one_cmplsi2,ffssi2): Ensure %%g0 is 0 if
637	TARGET_LIVE_G0.
638	(*one_cmpldi2_sp32): Move operand 1 to rs1 and use 0 as rs2.
639	(patterns that use %g0 in rs2): Use 0 immediate value instead.
640	(patterns that read %g0): Don't use if TARGET_LIVE_G0.
641
642Thu Mar  7 15:39:16 1996  Jim Wilson  <wilson@chestnut.cygnus.com>
643
644	* sh.h (PASS_IN_REG_P): Change < to <=.
645	* va-sh.h (va_start): Change __SH3E___ to __SH3E__.
646	(va_arg): Add little-endian SH3E support.  Fix big-endian version
647	to work for arguments smaller than the word size.
648
649Thu Mar  7 10:37:37 1996  Jeffrey A. Law  <law@cygnus.com>
650
651	* lib2funcs.asm: Remove entry/exit routines.  Move them into...
652	* ee.asm: New file.  Entry/exit code.
653	* ee_fp.asm: New file.  Entry/exit code with frame pointer.
654	* t-pa: Corresponding changes.
655	* t-pro: Corresponding changes.
656
657	* pa.c: Fix misc small typos/thinkos in recent changes.
658
659Wed Mar  6 17:36:03 1996  Jason Merrill  <jason@yorick.cygnus.com>
660
661	* cplus-dem.c (demangle_template): Fix for address-of-extern arguments.
662
663Wed Mar  6 15:12:55 1996  Jeffrey A. Law  <law@cygnus.com>
664
665	* t-pro (dp-bit rule): Fix typo.
666
667	* lib2funcs.asm (__outline_prologue): Remove frame pointer
668	support.
669	(__outline_prologue_fp): Out of line prologue with frame pointer.
670	(__outline_epilogue, outline_epilogue_fp): Similarly.
671	* pa.c (compute_frame_size): Allocate enough space to avoid holes
672	in the callee register saves.  Remove some special handling of %r3.
673	(hppa_expand_prologue): Don't do an out of line prologue/epilogue
674	if it would take more insns than an inline prologue/epilogue.
675	Don't leave holes in the callee register save set.
676	(hppa_expand_prologue): Corresponding changes.  Pass stack size
677	to out of line epilogue code.
678	* pa.h (FRAME_POINTER_REQUIRED): Revert last change.
679	* pa.md (outline_prologue_call): Handle outline prologues which
680	don't need frame pointers.
681	(outline_epilogue_call): Similarly.
682	* t-pro: Reenable multilib code.  Build a set of libraries that
683	optimize for space.
684
685Wed Mar  6 14:28:14 1996  Jim Wilson  <wilson@chestnut.cygnus.com>
686
687	* Makefile.in (USER_H): Add ginclude/va-sh.h.
688	* ginclude/stdarg.h, ginclude/varargs.h: Use va-sh.h.
689	* ginclude/va-sh.h: New file.
690
691	* sh.h (PASS_IN_REG_P): Fix typo in last change.
692
693Wed Mar  6 11:42:06 1996  David Edelsohn  <edelsohn@mhpcc.edu>
694
695	* rs6000.h (enum processor_type): Remove PROCESSOR_PPC602.
696	(RTX_COSTS): Remove PROCESSOR_PPC602.  PPC603 MULT cost depends
697	on constant and domain.
698	* rs6000.c (processor_target_table): 602 uses PROCESSOR_PPC603.
699	(get_issue_rate): Remove CPU_PPC602.
700	* rs6000.md (function units): Remove PPC602.  Add store and
701	fpstore type attribute values.  Update patterns.
702
703Tue Mar  5 18:43:43 1996  Richard Henderson  <rth@tamu.edu>
704
705	* m68k/coff.h (ASM_OUTPUT_SECTION_NAME): New define.
706
707	* m68k/{aux-crt1.c,aux-crt[2n].asm}: New files.
708	* m68k/{aux-exit.c,aux-low.gld,aux-mcount.c}: More new files.
709	* m68k/{aux.h,auxgnu.h,auxstd.h}: Even more new files.
710	* m68k/{t-aux,xm-aux.h}: The rest of the new files.
711	* m68k/sgs.h (ASM_OUTPUT_CASE_END): Add missing semicolon.
712	(switch_table_difference_label_flag): Make extern.
713	* fixincludes (sys/param.h): Fix c89 __asm statements.
714	* configure (m68k-apple-aux*): New target.
715
716Tue Mar  5 17:38:19 1996  Doug Evans  <dje@cygnus.com>
717
718	* sparc.md (*mov{qi,hi,si}_insn): Simplify length attribute.
719	(*movsi_insn): Use fpload/fpstore attributes for fp loads/stores.
720	%r1 -> %1 for fpstore alternative.
721	(*movsf_insn,*movsf_no_f_insn): %r1 -> %1.
722
723Tue Mar  5 17:19:17 1996  Jason Merrill  <jason@yorick.cygnus.com>
724
725	* expr.c (expand_expr, case *_DECL): If we make a non-local
726	reference from a function with DECL_NO_STATIC_CHAIN set, abort.
727	(expand_expr, case ADDR_EXPR): We don't need a trampoline for a
728	function with DECL_NO_STATIC_CHAIN set.
729	* function.c (lookup_static_chain): If we're checking on a function
730	that doesn't need a static chain, return 0.
731	(init_function_start): We don't need context if DECL_NO_STATIC_CHAIN
732	is set.
733	* tree.c (staticp): Check DECL_NO_STATIC_CHAIN on nested functions.
734
735Tue Mar  5 15:04:29 1996  Jim Wilson  <wilson@chestnut.cygnus.com>
736
737	* sh.md (push_e, pop_e): Add TARGET_SH3E to condition.
738	* sh.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
739	* sh.c (find_barrier): Set si_limit to 1018 instead of 1020, and
740	hi_limit to 510 instead of 512.
741
742Tue Mar  5 13:39:44 1996  Doug Evans  <dje@cygnus.com>
743
744	* loop.c (init_loop): Use pseudo reg in add_cost computation
745	so cost doesn't vary depending on whether reg 0 happens to be
746	fixed or not.
747
748Tue Mar  5 09:32:24 1996  J"orn Rennecke (amylaar@meolyon.hanse.de)
749
750	* reg-stack.c (record_label_references): Check for undefined label.
751
752Tue Mar  5 09:22:20 1996  Scott Christley (scottc@net-community.com)
753
754	* objc/objc-api.h, objc/runtime.h: Include objc/thread.h.
755	* objc/class.c (__objc_init_class_tables): Surround sarray access
756	with mutex lock/unlock.
757	(__objc_add_class_to_hash, objc_lookup_class): Likewise.
758	(objc_get_class, objc_get_next_class): Likewise.
759	(__objc_resolve_class_links, class_pose_as): Likewise.
760	* objc/init.c (__objc_runtime_mutux, __objc_runtime_thread_alive):
761	New variables.
762	(objc_init_statics, __objc_init_protocols): Surround sarray access
763	with mutex lock/unlock
764	(__objc_exec_class): Likewise.
765	Initialization for thread-safe global variables.
766	Declarations for thread-safe functions and global variables
767	* objc/sendmsg.c (get_imp, __objc_responds_to):
768	Surround sarray access with mutex lock/unlock.
769	(__objc_init_install_dtable): Likewise.
770	(__objc_update_dispatch_table_for_class): Likewise.
771	(__objc_print_dtable_stats): Likewise.
772	* objc/selector.c (sel_get_typed_uid, sel_get_any_typed_uid): Likewise.
773	(sel_get_any_uid, sel_get_name, sel_register_name): Likewise.
774	(sel_register_typed_name): Likewise.
775	* objc/sarray.h (union sversion): New.
776	(struct sarray): Maintain multiple versions.
777	(sarray_remove_garbage): Add prototype.
778	* objc/sarray.c (sarray_{remove,free}_garbage): New functions.
779	(sarray_at_put, sarray_new, sarray_lazy_copy):
780	Modify/copy sarray structure/data in a thread-safe manner
781	(sarray_{realloc,free}): Reallocate/free sarray structure/data in a
782	thread-safe manner.
783
784	* objc/THREADS, objc/thread.c, objc/thread.h: New files.
785	* objc/thread-{decosf1,irix,solaris,win32,single}.c: New files.
786	* objc/objc-list.h: Renamed from objc/list.h.
787	* objc/Makefile: Changes to compile new files and name renaming.
788	* objc/makefile.dos: Likewise.
789
790Tue Mar  5 07:51:31 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
791
792	* bc-emit.c, bc-optab.c (free): Delete declaration of library function.
793
794	* c-decl.c (duplicate_decl): If making decl non-external, copy
795	context from old to new.
796
797Tue Mar  5 02:27:35 1996  Jeffrey A. Law  <law@cygnus.com
798
799	* lib2funcs.asm (__outline_prologue): New "function".
800	(__outline_epilogue): New "function".
801	* pa.h (TARGET_SPACE): Define.
802	(target_flags): Add -mspace and -mno-space.  Enable/disable
803	space saving optimizations.
804	(FRAME_POINTER_REQUIRED): Frame pointers are always required
805	when generating out of line prologues and epilogues.
806	* pa.c (compute_frame_size): Handle out of line prologues/epilogues.
807	(hppa_expand_prologue): If optimizing for space, emit an out of
808	line prologue.
809	(hppa_expand_epilogue): Similarly.
810	(override_options): Optimizing for space is not compatible with
811	either profiling or PIC code generation.
812	* pa.md (outline_prologue_call): New pattern.
813	(outline_epilogue_call): Likewise.
814
815Tue Mar  5 02:17:32 1996  Doug Evans  <dje@cygnus.com>
816
817	* sparc.md (*cmp{si,di}_insn): %r0 -> %0.
818	(DFmode move define_split): Ensure registers not extended v9 fp regs.
819	(*mov{sf,df,tf}_cc_reg_sp64): %r3 -> %3.
820
821Mon Mar  4 18:46:37 1996  Manfred Hollstein  <manfred@lts.sel.alcatel.de>
822
823	* Makefile.in (CRT0STUFF_T_CFLAGS): New macro.
824	(stamp-crt0, crt0.o, mcrt0.o): New goals.
825	(STAGESTUFF): stamp-crt0 added.
826
827	* collect2.c (main): Check new define DEFAULT_A_OUT_NAME.
828
829	* m68k.c (print_operand): Emit .l as scale factor #ifdef MOTOROLA.
830	* m68k/mot3300-crt0.S, m68k/mot3300Mcrt0.S: New files.
831	* m68k/mot3300g.h: Deleted.
832	* m68k/mot3300.h (FUNCTION_PROFILER): Emit label references
833	corresponding to those generated by ASM_OUTPUT_INTERNAL_LABEL.
834	(MOTOROLA, MOTOROLA_BSR, ...): Define #ifndef USE_GAS.
835	(ASM_SPEC): Define properly #ifdef USE_GAS.
836	(LIB_SPEC): -L/usr/lib/libp deleted.
837	(STARTFILE_SPEC): -L/usr/lib/libp added.
838	(DEFAULT_A_OUT_NAME): Define.
839	(LINK_SPEC): Pass -v if GNU ld is used.
840	(LOCAL_LABEL_PREFIX): Local labels start with .L using GAS, else L%.
841	(USER_LABEL_PREFIX): Undefine.
842	(FUNCTION_PROFILER): Call asm_fprintf instead of normal fprintf.
843	(ASM_APP_ON, ASM_FILE_START): GAS supports it.
844	(CTORS_.../DTORS_...): Define if GNU ld is used.
845	(ASM_FILE_START): Define properly for Motorola and GNU as syntax.
846	(TARGET_VERSION): Re-define only #ifndef USE_GAS.
847	(CALL_USED_REGISTERS): Deleted.
848	(GLOBAL_ASM_OP): Re-define only #ifndef USE_GAS.
849	(ASM_{LONG,SHORT,CHAR,BYTE,BYTE_OP}): New macros.
850	(ASM_OUTPUT_{DOUBLE,LONG_DOUBLE,FLOAT,INT,SHORT}): Use them.
851	(ASM_OUTPUT_{CHAR,BYTE,ASCII,FLOAT_OPERAND,DOUBLE_OPERAND}): Likewise.
852	(ALIGN_ASM_OP, SKIP_ASM_OP): New macros.
853	(ASM_OUTPUT_{ALIGN,SKIP}): Use them.
854	(ASM_OUTPUT_SOURCE_FILENAME): Define only if not using GNU as.
855	(ASM_{GENERATE,OUTPUT}_INTERAL_LABEL): Provide proper definitions for
856	Motorola and GNU as syntax.
857	(ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Changed for portability between
858	Motorola and GNU as syntax.
859	(ASM_OUTPUT_{CASE_LABEL,OPCODE}): Define only if not using GNU as.
860	(ASM_OUTPUT_CASE_FETCH, ASM_RETURN_CASE_JUMP): New macros.
861	(ASM_OUTPUT_{COMMON,LOCAL}): Proper defns for Motorola and gas syntax.
862	(SDB_...): Define only for Motorola as.
863	(ALT_LIBM): New define to tell g++.c about an alternative name for
864	`-lm'.
865	(MATH_LIBRARY, NEED_ATEXIT, HAVE_ATEXIT, EXIT_BODY): New macros.
866	* m68k/t-mot3300, m68k/t-mot3300-{gald,gas,gld}: New files.
867	* m68k/x-mot3300-gas: New file.
868	* m68k/xm-mot3300.h (USG): Set to 1.
869	* configure (m68k-motorola-sysv*): Keep track of new different
870	combinations (--with-gnu-...), and provide proper definitions for
871	tm_file, xmake_file, tmake_file, use_collect2, and extra_parts.
872
873	* gbl-ctors.h (HAVE_ATEXIT): Define if NEED_ATEXIT is defined.
874	(atexit): Use `int atexit' prototype also if NEED_ATEXIT is defined.
875	(on_exit): According to man on_exit on the Sun it returns int not void.
876	* libgcc2.c (L_bb/atexit, onexit): Declarations replaced by
877	#include'ing "gbl-ctors.h".
878	(L_exit/atexit): New function.
879	(L_exit/exit): Call any registered functions.
880
881Mon Mar  4 18:03:38 1996  Bryan Ford  (baford@cs.utah.edu)
882
883	* configure (i[3456]86-moss-msdos*): New target.
884	* i386/moss.h: New file.
885
886Mon Mar  4 17:38:50 1996  Jim Wilson  <wilson@cygnus.com>
887
888	* sh.h (PASS_IN_REG_P): Don't reject BLKmode for SH3e.
889	For SH3e, do reject parameter that won't fit entirely in registers.
890
891	* sh.md (mulhisi3-2, mulhisi3-1, mulsidi3_i, umulsidi3_i,
892	smulsi3_highpart, umulsi3_highpart): Renames operands 1/2 to 0/1.
893	(mulsidi3, umulsidi3): Add support for TARGET_LITTLE_ENDIAN.
894
895	* sh.c (machine_dependent_reorg): In TARGET_RELAX code, when scan
896	forward from LINK, fail if pass a CODE_LABEL before finding INSN.
897	Fail if SCAN not INSN is a JUMP_INSN.
898
899Mon Mar  4 11:27:10 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
900
901	* rs6000.h (CALL_LONG): Change CALL_xx values from an enumeration
902	to bitmasks.  Add CALL_LONG to support longcall attributes.
903	(rs6000_args): Call_cookie field is now an int.
904	(rs6000_longcall_ref): Add declaration.
905
906	* rs6000.c (init_cumulative_args): Add support for longcall
907	attributes to always call through a pointer.
908	(function_arg): Ditto.
909	(rs6000_valid_type_attribute_p): Ditto.
910	(rs6000_longcall_ref): New function for long calls.
911
912	* rs6000.md (call insns): Add support for longcall attributes.
913
914Mon Mar  4 08:42:14 1996  J"orn Rennecke (amylaar@meolyon.hanse.de)
915
916	* real.c (significand_size): Don't test the modes, but their sizes.
917
918	* dwarfout.c (xstrdup): Moved from here.
919	* toplev.c (xstrdup): New function.
920	* tree.h (xstrdup): Declare.
921	* bc-emit.c (bc_xstrdup): Delete.
922	* expr.c (bc_strdup): Delete.
923	(bc_load_externaddr_id): Use xstrdup instead of bc_xstrdup.
924	* function.c (bc_expand_function_start): Likewise.
925	* 1750a.c (strdup): Delete.
926	(float_label): Use xstrdup instead of strdup.
927	* 1750a.h (xstrdup): Declare instead of instead of strdup.
928	(ASM_OUTPUT_LABEL): Use xstrdup instead of strdup.
929	(FIX_FRAME_POINTER_ADDRESS): Don't use DEPTH in string.
930
931Mon Mar  4 08:23:23 1996  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
932
933	* xm-we32k.h (NO_WAIT_H): Deleted.
934
935	* collect2.c: Never include wait.h.
936
937Sat Mar  2 22:43:07 1996  Torbjorn Granlund  <tege@spiff.gnu.ai.mit.edu>
938
939	* configure (code for making links): Work around sh bug on FreeBSD.
940
941Sat Mar  2 13:40:29 1996  Jeffrey A. Law  <law@cygnus.com>
942
943	* h8300.h (BIGGEST_FIELD_ALIGNMENT): Replace uses of
944	TARGET_ALIGN_STRUCT_300 with TARGET_ALIGN_300.
945	(BIGGEST_ALIGNMENT): Likewise.
946
947Sat Mar  2 08:04:50 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
948
949	* calls.c (expand_call): If passing by invisible ref, not const.
950
951	* sparc.c (SKIP_CALLERS_UNIMP_P): Make agree with test used in call.
952
953	* expr.c (do_jump, case COMPOUND_EXPR): Call preserve_temp_slots.
954
955	* fold-const.c (fold, case *_DIV_EXPR): Ignore SAVE_EXPR if has RTL.
956
957Fri Mar  1 17:59:17 1996  Jeffrey A. Law  <law@cygnus.com>
958
959	* optabs.c (emit_cmp_insn): Immediately copy the return
960	value from the library call into a pseudo register.
961	(emit_float_lib_cmp): Likewise.
962
963Fri Mar  1 14:37:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
964
965	* rs6000/sysv4.h (BSS_SECTION_ASM_OP): Define.
966	(*_SECTION_ASM_OP): Change tab after .section into a space.
967	(ASM_OUTPUT_INT): Ditto.
968	(ASM_OUTPUT_ALIGNED_LOCAL): Rewrite to use bss_section.
969	(ASM_OUTPUT_ALIGNED_BSS): Define to use ASM_GLOBALIZE_LABEL and
970	ASM_OUTPUT_ALIGNED_LOCAL.
971
972	* rs6000/win-nt.h (BSS_SECTION_ASM_OP): Define.
973	(ASM_OUTPUT_ALIGNED_LOCAL): Define.
974	(ASM_OUTPUT_LOCAL): Don't define any more.
975	(ASM_OUTPUT_ALIGNED_BSS): Define to use ASM_GLOBALIZE_LABEL and
976	ASM_OUTPUT_ALIGNED_LOCAL.
977
978Thu Feb 29 17:33:12 1996  Jim Wilson  <wilson@chestnut.cygnus.com>
979
980	* c-typeck.c (push_init_level): When output padding to align structure
981	field, set constructor_unfilled_fields.
982
983	* dbxout.c (dbxout_type, case METHOD_TYPE): Add CHARS (1) call
984	after emitting second '#' character.
985
986Thu Feb 29 13:59:27 1996  Doug Evans  <dje@charmed.cygnus.com>
987
988	* h8300.h (ASM_OUTPUT_BSS): Define.
989	* m68k/coff.h (BSS_SECTION_ASM_OP): Define.
990	(ASM_OUTPUT_ALIGNED_BSS): Define.
991	* m68k/m68k-aout.h (BSS_SECTION_ASM_OP): Define.
992	(ASM_OUTPUT_BSS): Define.
993
994Thu Feb 29 13:39:39 1996  Per Bothner  <bothner@cygnus.com>
995
996	* varasm.c (compare_constant_1):  For a SET_TYPE CONSTRUCTOR,
997	first extract and compare the set length.
998
999	* varasm.c (record_constant_1):  For SET_TYPE CONSTRUCTOR,
1000	permanent_obstack.next_free is *end* of available space.
1001
1002Thu Feb 29 13:14:14 1996  Jeffrey A. Law  <law@cygnus.com>
1003
1004	* pa.h (TARGET_SWITCHES): Add new flags "-mlong-load-store" and
1005	"-mno-long-load-store".
1006	(TARGET_LONG_LOAD_STORE): Define.
1007	* pa.md (symbolic high part): Handle TARGET_LONG_LOAD_STORE.
1008
1009Thu Feb 29 11:39:30 1996  Stan Cox  <coxs@dg-rtp.dg.com>
1010
1011	* i386.md (cmpxf*): XF compare cannot have mem operands.
1012	(casesi expand): Put (minus:SI..) into subsi3 format.
1013	* i386.c (i386_return_pops_args): Cleanup extra argument
1014	used as address of a returned structure.
1015
1016Wed Feb 28 22:24:28 1996  Doug Evans  <dje@cygnus.com>
1017
1018	* varasm.c (enum in_section): Define in_bss if BSS_SECTION_ASM_OP
1019	is defined.
1020	(bss_section,asm_output_bss,asm_output_aligned_bss): New functions.
1021	(assemble_variable): Delete redundant test for too large an object.
1022	Rewrite test for uninitialized variables.  Use new macros
1023	ASM_OUTPUT{,_ALIGNED}_BSS if defined to output global uninitialized
1024	but not common variables.
1025	* bytecode.h (BC_OUTPUT_BSS): Define.
1026	* lynx.h (EXTRA_SECTIONS): Delete in_bss.
1027	(EXTRA_SECTION_FUNCTIONS): Delete BSS_SECTION_FUNCTION.
1028	* svr3.h (EXTRA_SECTIONS): Likewise.
1029	(BSS_SECTION_FUNCTION): Delete.
1030	* convex.h (EXTRA_SECTIONS,EXTRA_SECTIONS_FUNCTIONS): Delete.
1031	* dsp16xx.h (EXTRA_SECTIONS): Delete in_bss.
1032	(EXTRA_SECTION_FUNCTIONS): Delete bss_section.
1033	* gmicro.h (EXTRA_SECTIONS,EXTRA_SECTIONS_FUNCTIONS): Delete.
1034	* i386/aix386ng.h (EXTRA_SECTION_FUNCTIONS): Delete
1035	BSS_SECTION_FUNCTION.
1036	* i386/att.h (BSS_SECTION_FUNCTION): Delete.
1037	* i386/sco5.h (EXTRA_SECTIONS): Delete in_bss.
1038	(EXTRA_SECTION_FUNCTIONS): Delete BSS_SECTION_FUNCTION.
1039	(BSS_SECTION_FUNCTION): Delete.
1040	* i386/seq-sysv3.h (BSS_SECTION_FUNCTION): Delete.
1041	* i386/svr3gas.h (EXTRA_SECTIONS): Delete in_bss.
1042	(EXTRA_SECTION_FUNCTIONS): Delete BSS_SECTION_FUNCTION.
1043	(BSS_SECTION_FUNCTION): Delete.
1044	* i860/paragon.h (EXTRA_SECTIONS,EXTRA_SECTIONS_FUNCTIONS): Undef.
1045	* m68k/crds.h (EXTRA_SECTIONS,EXTRA_SECTIONS_FUNCTIONS): Delete.
1046	(BSS_SECTION_ASM_OP): Define.
1047	* m68k/m68k.h (BC_OUTPUT_BSS): Define.
1048	* mips/iris6.h (EXTRA_SECTIONS): Delete in_bss.
1049	* pa.h (EXTRA_SECTIONS): Delete in_bss.
1050	(EXTRA_SECTION_FUNCTIONS): Delete bss_section.
1051	* sparc/litecoff.h (EXTRA_SECTIONS): Delete in_bss.
1052
1053Wed Feb 28 14:12:25 1996  Jim Wilson  <wilson@chestnut.cygnus.com>
1054
1055	* sh.h (FUNCTION_VALUE_REGNO_P, FUNCTION_ARG_REGNO_P): Include FP
1056	registers only when TARGET_SH3E.
1057	(PASS_IN_REG_P): Exclude BLKmode only when ! TARGET_SH3E.
1058
1059Wed Feb 28 12:03:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1060
1061	* rs6000.c (rs6000_trampoline_{template,size}): Change Windows NT
1062	trampoline template so it doesn't require making stack executable.
1063	Add support for 64 bit systems.
1064	(rs6000_initialize_trampoline): Ditto.
1065
1066Tue Feb 27 16:42:00 1996  David Edelsohn  <edelsohn@mhpcc.edu>
1067
1068	* rs6000.c (print_operand): New code 'H'.
1069	* rs6000.md (insv, extzv): Add DImode patterns.  Use 'h'
1070	consistently for masking SImode shifts.
1071	(rotldi3, ashldi3, lshrdi3, ashrdi3): Use 'H'.
1072	(movsf split): Generate CONST_INT instead of SUBREG.
1073
1074Tue Feb 27 15:02:17 1996  Doug Evans  <dje@cygnus.com>
1075
1076	* sh.h (HANDLE_PRAGMA): Delete `return'.
1077
1078Tue Feb 27 08:18:12 1996  Richard Earnshaw (rearnsha@armltd.co.uk)
1079
1080	* arm.c (aof_text_section): Remove pseudo read-only hack.  Doesn't
1081	take a parameter any more.
1082	* arm/aof.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Remove
1083	readonly data sections.
1084	(READONLYDATA_SECTION, READONLY_DATA_SECTION): Delete.
1085
1086	* arm.h (enum arm_cond_code): New enum.
1087	(ARM_INVERSE_CONDITION_CODE): Moved here from arm.c.
1088	(SELECT_CC_MODE): Call arm_select_cc_mode to do the work.
1089	(PREDICATE_CODES): Add dominant_cc_register; delete
1090	reversible_cc_register.
1091	* arm.c (arm_current_cc): Now an enum.
1092	(ARM_INVERSE_CONDITION_CODE): Moved to arm.h
1093	(revsersible_cc_register): Delete.
1094	(dominant_cc_register): New function.
1095	(select_dominance_cc_mode): New function.
1096	(arm_select_cc_mode): New function.
1097	(output_return_instruction): New parameter REVERSE, used to
1098	reverse the condition of a conditional return.  All callers
1099	changed.
1100	(arm_print_operand case 'D'): Only suppress condition printing
1101	if the operand is a NULL pointer.
1102	(get_arm_condition_code): Now a static function returning
1103	enum arm_cond_code.  Handle dominance expressions.  Return enum
1104	values rather than integers.
1105	* arm.md (*addsi3_compare0_scratch): New insn.
1106	(*movsi_compare0, *cmpsi_insn, *cmpsi_shiftsi): Make sure the
1107	compare has mode CC.
1108	(cmp{si,sf,df,xf} expands): Just provide sufficient information
1109	to allow the parameters to be matched properly.
1110	(*cmpsi_negsi): Delete (of dubious validity).
1111	(*cmpsi_shiftsi_swp): New pattern.
1112	(*condbranch_reversed): No longer needs to check REVERSIBLE_CC_MODE.
1113	(mov{si,sf,df}cc, *mov{si,sf,df}{,_hard,_soft}_insn): The mode of the
1114	IF_THEN_ELSE must be appropriate to the target (not void).
1115	(*and_scc): Match cc_register, not reversible_cc_register.
1116	(*ior_compare_compare): Delete.
1117	(split for ior_compare_compare + condjump): Delete.
1118	(*impossible_cond_compare): Delete.
1119	(*condition_compare_ior): Delete.
1120	(*cond_move): Mode for the IF_THEN_ELSE must be SImode.
1121	(*and_scc_scc): Delete.
1122	(split for and_scc_scc + condjump): Delete.
1123	(*impossible_cond_branch_and): Delete.
1124	(*cmp_ite0, *cmp_ite1): New patterns.
1125	(if_compare_not): Should be an anonymous pattern.
1126	(Peephole for move and compare): Compare mode must be mode CCmode.
1127	(Split pattern for comparing shifted reg then branch): Delete.
1128	(*loadqi_compare): Delete, replaced with a split pattern to do
1129	the same thing.
1130	(*cond_move_not): Match cc_register, not reversible_cc_register.
1131
1132	* arm.c ({load,store}_multiple_sequence): New functions.
1133	(emit_{ldm,stm}_seq): New functions.
1134	* arm.md (load/store multiple peepholes): Rewrite using the above
1135	functions.
1136	(all patterns taking immediate_operand): If the code later assumes
1137	this is a CONST_INT, then match const_int_operand instead.
1138
1139Mon Feb 26 17:26:13 1996  Doug Evans  <dje@cygnus.com>
1140
1141	* sparc.md: Add sparclet scheduling parameters.
1142	(compare define_insn's): Move closer to compare define_expand's.
1143	(32 bit multiply patterns): Use for TARGET_SPARCLET.
1144	(*smacsi,*smacdi,*umacdi): Multiply/accumulate patterns for the
1145	sparclet.
1146
1147Sat Feb 24 19:13:29 1996  David Edelsohn  <edelsohn@mhpcc.edu>
1148
1149	* rs6000.md (movsf split): Fix typo in last patch.
1150
1151Sat Feb 24 10:02:55 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1152
1153	* toplev.c (fatal_insn): Flush stdout/stderr.
1154
1155Sat Feb 24 02:03:28 1996  Jeffrey A. Law  <law@cygnus.com>
1156
1157	* pa.md (abssi2): Rework to avoid matching constraints.
1158
1159Fri Feb 23 11:21:43 1996  Jeffrey A. Law  <law@cygnus.com>
1160
1161	* pa.c (override_options): Warn if both PIC code generation and
1162	profiling are requested.
1163
1164Fri Feb 23 08:47:38 1996  Richard Kenner  (kenner at vlsi1)
1165
1166	* expr.c (expand_builtin, case BUILT_IN_SETJMP): Set CONST_CALL_P
1167	on NOTE_INSN_SETJMP instead of emitting USE insns for call-saved regs.
1168	* reload1.c (reload): For special CONST_CALL_P NOTE_INSN_SETJMP,
1169	mark all call-saved regs as used.
1170	* sched.c (sched_analyze): Record NOTE_INSN_SETJMP if no
1171	CALL_INSN as prev; preserve CONST_CALL_P bit.
1172	(reemit_notes): Restore CONST_CALL_P.
1173
1174Thu Feb 22 17:45:12 1996  Doug Evans  <dje@cygnus.com>
1175
1176	* configure (sparclet-*-aout*): Set extra_headers.
1177	* ginclude/inl-sparc.h: New file.
1178
1179Wed Feb 21 20:39:53 1996  Doug Evans  <dje@cygnus.com>
1180
1181	* configure (sparc64-*-solaris2*): Merge with sparc-*-solaris2*.
1182	* sparc.h (enum processor_type): Declare.
1183	(sparc_cpu_attr): Define.
1184	(TARGET_OPTIONS): Add -mtune=.
1185	(sparc_select): Declare.
1186	(sparc_cpu_string): Delete.
1187	(FIRST_PSEUDO_REGISTER): Set to 100.
1188	({FIXED,CALL_USED}_REGISTERS): Merge !v9/v9 cases.
1189	(CONDITIONAL_REGISTER_USAGE): Mark %g5 as fixed if !v9.
1190	Mark %g1 as fixed if v9.  Fix v9-only regs if !v9.
1191	Mark fp{16..47} as call-saved if v9.
1192	(enum reg_class): Merge !v9/v9 cases.
1193	(REG_CLASS_NAMES,REG_CLASS_CONTENTS,REGNO_REG_CLASS): Likewise.
1194	(REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER,LEAF_REGISTERS): Likewise.
1195	(FP_REG_CLASS_P,SPARC_REGISTER_NAMES): Likewise.
1196	(REG_CLASS_FROM_LETTER): Test TARGET_V9 at runtime.
1197	* sparc.c (sparc_cpu_string): Delete.
1198	(sparc_select): New global.
1199	(sparc_override_options): Handle -mtune=xxx.
1200	* sparc.md (cpu attr): Add sparc{lite,let} implementations.
1201	* sparc/sp64-sol2.h: Deleted.
1202
1203	* arm.md (consttable_end): Delete call to text_section.
1204	(align_4): Delete call to readonly_data_section.
1205
1206Wed Feb 21 14:29:06 1996  Ian Lance Taylor  <ian@cygnus.com>
1207
1208        * cplus-dem.c (demangle_template): Initialize is_bool.  Correctly
1209        handle 0 as a pointer value parameter.
1210
1211Wed Feb 21 14:13:29 1996  Jason Merrill  <jason@yorick.cygnus.com>
1212
1213	* tree.c (decl_function_context): Do decl_function_context right for
1214	function-local classes.
1215
1216Wed Feb 21 12:42:52 1996  Jeffrey A. Law  <law@cygnus.com>
1217
1218	* c-typeck.c (initializer_constant_valid_p): Don't dereference
1219	a null pointer on partial structure initialization.
1220
1221Wed Feb 21 11:49:58 1996  David Edelsohn  <edelsohn@mhpcc.edu>
1222
1223	* rs6000.h (ASM_OUTPUT_EXTERNAL): Append section info
1224	even when verbatim symbol prefix '*' present.
1225	* rs6000/aix3newas.h (ASM_OUTPUT_EXTERNAL): Same.
1226	* rs6000/aix41.h (ASM_OUTPUT_EXTERNAL): Same.
1227	* rs6000/powerpc.h (ASM_OUTPUT_EXTERNAL): Same.
1228	* rs6000/win-nt.h (ASM_OUTPUT_EXTERNAL): Same.
1229
1230Wed Feb 21 03:55:32 1996  Paul Eggert  <eggert@twinsun.com>
1231
1232	* cccp.c (validate_else): Don't loop given `#endif /'.
1233	Handle multiple adjacent backslash-newlines correctly.
1234	Accept a new parameter LIMIT to specify end of input;
1235	this prevents confusion when the input contains '\0' characters.
1236	(collect_expansion): Fix off-by-1 error when searching for `*/'
1237	at end of a comment used for traditional token concatenation.
1238	(macarg1): Fix off-by-1 error when skipping past `*/'
1239	at end of comment.
1240
1241Tue Feb 20 16:12:31 1996  Doug Evans  <dje@cygnus.com>
1242
1243	* hard-reg-set.h (twice unrolled GO_IF_HARD_REG_EQUAL): Add missing \.
1244
1245Tue Feb 20 14:21:16 1996  Jeffrey A. Law  <law@cygnus.com>
1246
1247	* pa.h (DBX_CONTIN_LENGTH): Define to 4000 characters.
1248
1249	* pa.c (hppa_expand_epilogue): Always emit a blockage insn
1250	before cutting back the stack.
1251
1252Mon Feb 19 19:42:15 1996  Brendan Kehoe  <brendan@lisa.cygnus.com>
1253
1254	* sparc.h (TARGET_SWITCHES): Add -m{,no-}impure-text.
1255	(MASK_IMPURE_TEXT, TARGET_IMPURE_TEXT): Define.
1256	(LINK_SPEC): Only add `-assert pure-text' if -mimpure-text wasn't used.
1257
1258Mon Feb 19 19:20:15 1996  Doug Evans  <dje@canuck.cygnus.com>
1259
1260	* configure (sparc-aout): sparc-aout.h renamed to aout.h.
1261	(sparclet-aout): Likewise.
1262	(sparclite-*-aout*): Renamed from sparclite-*-*.
1263	Don't set use_collect2.
1264	(target_cpu_default): Set to TARGET_CPU_<cpu> for sparc.
1265
1266	* sparc.h (TARGET_CPU_sparc{,let,lite,64}): Define.
1267	({CPP,ASM}_DEFAULT_SPEC): Set from TARGET_CPU_foo.
1268	(SPARC_ARCH64 CPP_PREDEFINES): Define __arch64__.
1269	(CPP_SPEC): Add %(cpp_cpu).
1270	(CPP_CPU_SPEC): Define.
1271	(CC1_SPEC): Convert -m<cpu> to -mcpu=<cpu>.
1272	(ASM_SPEC): Add %(asm_cpu).
1273	(ASM_CPU_SPEC): Define.
1274	(EXTRA_SPECS,SUBTARGET_EXTRA_SPECS): Define.
1275	(OVERRIDE_OPTIONS): Call SUBTARGET_OVERRIDE_OPTIONS after
1276	sparc_override_options.
1277	({MASK,TARGET}_SUPERSPARC): Delete.
1278	({MASK,TARGET}_SPARCLET): Define.
1279	(MASK_ISA): Renamed from MASK_CPUS.
1280	(TARGET_SWITCHES): Delete no-{v8,sparclite}.
1281	(sparc_cpu,sparc_cpu_string): Declare.
1282	({SUB,}TARGET_OPTIONS): Define.
1283	(FIXED_REGISTERS): Add definitions for sparc64 in 32 bit mode.
1284	(CONDITIONAL_REGISTER_USAGE): Don't set fixed_regs[234] if sparc64.
1285	Don't set call_used_regs[48..80] for sparc64 in 32 bit mode.
1286	Don't clobber fixed_regs[234] if -ffixed- was passed.
1287	(ADJUST_COST): Change test for supersparc.
1288	* sparc.c (sparc_cpu_string,sparc_cpu): New globals.
1289	(sparc_override_options): Set ISA and CPU from sparc_cpu_string.
1290	Delete tests for v9 only switches if not v9.
1291	Error if -mcpu=v9 and v9 support not compiled in.
1292	* sparc/sol2.h (CPP_SPEC): Use %(cpp_cpu).
1293	(ASM_SPEC): Likewise.
1294	(ASM_{DEFAULT,CPU}_SPEC): Use Solaris syntax for sparc64.
1295	* sparc/sysv4.h (ASM_SPEC): Add %(asm_cpu).
1296	* sparc/t-sparcbare (MULTILIB_*): -mv8 renamed to -mcpu=v8.
1297	* sparc/t-sparclite (MULTILIB_*): Delete msoft-float and mno-flat,
1298	they're the defaults.  Add -mcpu=f934 as synonym for -mfpu.
1299	* va-sparc.h (__arch64__): Renamed from __sparc_v9__.
1300
1301	* sparc/lite.h: #include aoutos.h.
1302	(TARGET_DEFAULT): Use MASK_FOO values.
1303	* sparc/sp64-aout.h: #include aoutos.h.
1304	(TARGET_DEFAULT): Add MASK_APP_REGS.
1305	(JUMP_TABLES_IN_TEXT_SECTION,READONLY_DATA_SECTION): Delete.
1306	* sparc/sp64-elf.h (TARGET_DEFAULT): Add MASK_APP_REGS.
1307 	(CPP_PREDEFINES): Define __arch64__.
1308	* sparc/sp64-sol2.h (TARGET_DEFAULT, SUBTARGET_SWITCHES): Delete.
1309	(ASM_SPEC): Delete.
1310
1311	* sparc.h ({MASK,TARGET}_FRW): Delete.
1312	(FRAME_POINTER_REQUIRED,INITIAL_FRAME_POINTER_OFFSET,
1313	BASE_{INCOMING_ARG,OUTGOING_VALUE}_REG,INCOMING_REGNO,OUTGOING_REGNO,
1314	FUNCTION_{PROLOGUE,EPILOGUE},DELAY_SLOTS_FOR_EPILOGUE): TARGET_FRW
1315	renamed to TARGET_FLAT.
1316
1317	* sparc.md (cpu attr): Add all cpu variants.
1318	(negtf2,negdf2,abstf2,absdf2): Use isa attr, not arch attr, in
1319	determining insn lengths.
1320
1321	* sparc/aout.h: Renamed from sparc-aout.h.
1322	(CPP_PREDEFINES): Delete __GCC_NEW_VARARGS__.
1323	Add -Acpu(sparc) -Amachine(sparc).
1324
1325Mon Feb 19 17:49:08 1996  David Edelsohn  <edelsohn@mhpcc.edu>
1326
1327	* rs6000.md (movsf split): Use SUBREG, not operand_subword.
1328	(movdf split): operand_subword TARGET_32BIT and new split using
1329	SUBREG for TARGET_64BIT.
1330	* rs6000.c (easy_fp_constant): Rewrite to not use operand_subword.
1331	(input_operand): Remove final add_operand test made irrelevant by
1332	Dec. 8 change.
1333	(output_toc): Handle DImode values.
1334
1335Mon Feb 19 13:38:00 1996  Lee Iverson  <leei@Canada.AI.SRI.COM>
1336
1337	* i386/sol2.h (SWITCH_TAKES_ARG): Restore -R.
1338	* sparc/sol2.h (SWITCH_TAKES_ARG): Likewise.
1339
1340Mon Feb 19 08:19:00 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1341
1342	* hard-reg-set.h (HARD_REG macros): If more than
1343	HOST_BITS_PER_WIDE_INT hard registers and less than or equal to
1344	4*HOST_BITS_PER_WIDE_INT hard registers, unroll loops by hand.
1345
1346Mon Feb 19 07:35:07 1996  Torbjorn Granlund  <tege@tmg.se>
1347
1348	* rs6000.md (not:SI with assign and compare): Fix typo.
1349	(not:DI with assign and compare): Likewise.
1350
1351Mon Feb 19 07:17:25 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1352
1353	* sparc.md (nonlocal_goto): No longer need USE of %o0.
1354	(goto_handler_and_restore): Show uses %o0.
1355
1356	* combine.c (force_to_mode, case IOR): Fix typo in commuting
1357	IOR and LSHIFTRT.
1358
1359	* alpha.c (call_operand): If in REG, only reg 27 valid.
1360
1361Mon Feb 19 06:57:34 1996  Richard Earnshaw (rearnsha@armltd.co.uk)
1362
1363	* emit-rtl.c (operand_subword): For 32-bit targets, return
1364	the appropriate subword of extended precision CONST_DOUBLEs.
1365
1366	* arm.c (offsettable_memory_operand): New function.
1367	(alignable_memory_operand): New function.
1368	(gen_rotated_half_load): New function.
1369	(get_arm_condition_code): Extract the mode of the comparison and
1370	use it to generate the correct return value.
1371	* arm.h (EXTRA_CC_MODES, EXTRA_CC_NAMES): Add CC_Zmode.
1372	(SELECT_CC_MODE): return CC_Zmode if the operand is QImode.  Allow LT
1373	and GE comparisons in CC_NOOVmode.
1374	(PREDICATE_CODES): add offsettable_memory_operand and
1375	alignable_memory_operand.
1376	* arm.md (*zeroextract[qs]i_compare0_scratch): Use const_int_operand
1377	for operands 1 and 2.
1378	(split patterns for aligned memory half-word operations): New patterns.
1379	(movhi): Handle memory accesses where the alignment is known in a more
1380	efficient manner.
1381	(*compareqi_eq0): Use CC_Zmode.
1382
1383Mon Feb 19 05:34:08 1996  Jason Merrill  <jason@phydeaux.cygnus.com>
1384
1385	* toplev.c (lang_options): Add -W{no-,}sign-compare.
1386
1387	* c-tree.h: Declare warn_sign_compare.
1388
1389	* c-typeck.c (build_binary_op): Check warn_sign_compare rather
1390        than extra_warnings to decide whether to warn about comparison of
1391        signed and unsigned.
1392
1393	* c-decl.c (c_decode_option): Handle warn_sign_compare.  -Wall
1394        implies -Wsign-compare.
1395
1396Sun Feb 18 21:13:44 1996  Pat Rankin  (rankin@eql.caltech.edu)
1397
1398	* c-lex.c (yylex, case '0'..'9','.'): For cases '0' and '1',
1399	check for single digit constant before resorting to general
1400	number processing.
1401
1402Sun Feb 18 19:29:44 1996  J.T. Conklin  <jtc@netbsd.org>
1403
1404	* m68k.h (TARGET_68060): New macro.
1405	(TARGET_SWITCHES): Add -m68060.
1406	* m68k.md (const_umulsi3_highpart): Disable for TARGET_M68060.
1407	(ftruncdf2, ftruncsf2, muldf3, mulsidi3): Likewise.
1408	(smulsi3_highpart, umulsi3_highpart, umulsidi3): Likewise.
1409
1410	* {m68k,ns32k,sparc}/netbsd.h (DBX_NO_XREFS): Removed.
1411
1412Sun Feb 18 13:29:56 1996  Charles M. Hannum  (mycroft@netbsd.org)
1413
1414	* c-common.c (check_format_info): Warn about `L' if -pedantic.
1415
1416Fri Feb 16 20:13:23 1996  Paul Eggert  <eggert@twinsun.com>
1417
1418	* c-typeck.c (convert_for_assignment):
1419	Bring back conversion to union without a cast,
1420	undoing the Jan 16 change, but with the following differences:
1421	- The union must have the transparent_union attribute.
1422	- The conversion must be for a function argument.
1423	- Warn consistently about such conversions if pedantic.
1424	- Do not warn about an assignment incompatibility for one union member
1425	  if another union member is compatible with no warning.
1426
1427Fri Feb 16 12:06:21 1996  Stan Cox  <coxs@spiff.gnu.ai.mit.edu>
1428
1429	* i386.c (ix86_*_binary_operator*): Allow CONST_INT as operand1
1430	of MINUS.
1431	* i386/dgux.h (OPTIMIZATION_OPTIONS): Call optimization_options.
1432
1433Fri Feb 16 08:39:47 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1434
1435	* configure: Change stdout report when have multiple files in
1436	tm_file, host_xm_file, or build_xm_file.
1437	(a29k-*-bsd): Use both a29k.h and unix.h.
1438	(a29k-*-udi): Rename a29k-udi.h to udi.h;
1439	use a29k.h, dbxcoff.h, and it.
1440	(a29k-*-vxworks): Use a29k.h, dbxcoff.h, a29k/udi.h, and a29k/vx29k.h.
1441	(alpha-dec-osf[23456789]*): Use alpha.h, not osf2.h.
1442	(alpha-dec-osf1.2): Use alpha.h and alpha/osf12.h.
1443	(alpha-*-osf*): Add explicit assignment of tm_file.
1444	* a29k/udi.h: Renamed from a29k-udi.h.
1445	Don't include a29k.h or dbxcoff.h.
1446	* a29k/unix.h: Don't include a29k.h.
1447	* a29k/vx29k.h: Don't include a29k-udi.h.
1448	* alpha.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Use unsigned int.
1449	* alpha/osf2.h: Deleted.
1450	* alpha/osf12.h: Don't include alpha.h.
1451	(WCHAR_TYPE, WCHAR_TYPE_SIZE): Use short unsigned int.
1452	* alpha/win-nt.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Use short unsigned int.
1453
1454Thu Feb 15 18:26:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1455
1456	* rs6000/ntstack.asm (__allocate_stack): Round up length to 16
1457	byte boundary.
1458
1459	* rs6000.md (allocate_stack): On Windows NT, call set_sp to
1460	indicate to CSE  stack pointer changes with  call to __allocate_stack.
1461	(set_sp): New pattern.
1462
1463Thu Feb 15 16:49:15 1996  Jim Wilson  <wilson@cygnus.com>
1464
1465	* integrate.c (save_for_inline_copying): Allocate reg_map with size
1466	based on regno_pointer_flag_length instead of max_reg+1.
1467
1468Thu Feb 15 07:48:34 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1469
1470	* fixincludes (rpc/types.h): Remove spurious "ls" command.
1471
1472	* reload1.c (eliminate_regs, case USE): If using a register that
1473	is source of elimination, show can't be eliminated.
1474
1475	* expr.c (expand_builtin, case BUILT_IN_SETJMP): Shows clobbers FP
1476	and all caller-save registers.
1477	Set current_function_has_nonlocal_goto.
1478
1479Wed Feb 14 13:51:55 1996  David Edelsohn  <edelsohn@mhpcc.edu>
1480
1481	* rs6000.md (fix_truncdfsi2): Use SUBREG not operand_subword.
1482	(movdi): Test HOST_BITS_PER_WIDE_INT at build time.
1483	* collect2.c (scan_libraries): Append '/' to import path if missing.
1484
1485Wed Feb 14 09:01:55 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1486
1487	* rs6000.md (movdi): Use HOST_WIDE_INT, not long long.
1488
1489Tue Feb 13 19:36:21 1996  Per Bothner  <bothner@cygnus.com>
1490
1491	* expr.c (store_constructor):  Fix flow control thinko (merge error).
1492	* expr.c (store_constructor):  Pass correct value to recursive call.
1493
1494Wed Jan 31 11:34:45 1996  Mike Stump  <mrs@cygnus.com>
1495
1496	* expr.c (expand_expr, case TARGET_EXPR): We must always store
1497	into the allocated slot for TAREGT_EXPRs.
1498
1499Tue Feb 13 18:27:05 1996  Philippe De Muyter  <phdm@info.ucl.ac.be>
1500
1501	* configure (powerpc-ibm-aix3): Look for 3.2.x, not 3.2x.
1502
1503	* fixincludes (memory.h): Fix it also on sysV68.
1504
1505Tue Feb 13 17:59:03 1996  Lee Iverson  <leei@Canada.AI.SRI.COM>
1506
1507	* gcc.c (DEFAULT_SWITCH_TAKES_ARG): New macro, from SWITCH_TAKES_ARG.
1508	(SWITCH_TAKES_ARG): Use it.
1509	* i386/{osfrose,sol2}.h (SWITCH_TAKES_ARG): Likewise.
1510	* mips/{gnu,mips}.h (SWITCH_TAKES_ARG): Likewise.
1511	* sparc/sol2.h (SWITCH_TAKES_ARG): Likewise.
1512	* config/svr4.h (SWITCH_TAKES_ARG): Likewise.
1513
1514Tue Feb 13 17:43:46 1996  Jim Wilson  <wilson@cygnus.com>
1515
1516	* integrate.c (save_constants_in_decl_trees): New function.
1517	(save_for_inline_copying, save_for_inline_nocopy): Call it.
1518
1519Tue Feb 13 17:40:27 1996  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1520
1521	* expr.c (convert_move): Fix typo in extendqfh2 case.
1522
1523	* reload1.c (reload): Make some non-group code no longer
1524 	conditional on SMALL_REGISTER_CLASSES.
1525
1526Tue Feb 13 17:30:45 1996  J"orn Rennecke (amylaar@meolyon.hanse.de)
1527
1528	* pdp11.c: #include flags.h
1529	(output_function_prologue, function_epilogue): Remove declarations
1530	of call_used_regs and frame_pointer_needed.
1531
1532	* c-common.c (overflow_warning): Fix typo in warning message.
1533
1534	* c-decl.c (finish_decl): TREE_ASM_WRITTEN says if duplicate_decls
1535	modified declaration to match an outside file scope declaration.
1536
1537	* stmt.c (expand_end_case): Don't use ADDR_DIFF_VEC for PIC if
1538	ASM_OUTPUT_ADDR_DIFF_ELT is not defined.
1539	* a29k.h, romp.h (ASM_OUTPUT_ADDR_DIFF_ELT): Remove.
1540
1541Tue Feb 13 13:36:36 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1542
1543	* rs6000/cygwin32.h (CPP_PREDEFINES): Do not define PPC, just
1544	define __PPC__.  Also define _ARCH_PPC to be compatible with the
1545	other rs6000/powerpc ports.
1546	* rs6000/win-nt.h (CPP_PREDEFINES): Ditto.
1547
1548	* rs6000/cygwin32.h (LIBGCC_SPEC): Don't define, always link in.
1549	(SDB_DEBUGGING_INFO): Undef.
1550	(DBX_DEBUGGING_INFO): Define.
1551	(PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
1552
1553	* rs6000/t-{cygwin32,winnt} (MULTILIB*): Remove multilib support.
1554
1555	* rs6000/x-cygwin32 (LANGUAGES): Delete, don't override.
1556
1557	* rs6000/ntstack.asm: New file to provide __allocate_stack, which
1558	guarantees all pages in a dynamically allocated stack frame are
1559	touched in order, so that the stack is properly grown.
1560
1561	* rs6000/cgywin32.asm: Delete unused file.
1562
1563	* rs6000/t-{cygwin32,winnt} (LIB2FUNCS_EXTRA): Add ntstack.S
1564	to libgcc2 build.
1565
1566	* rs6000.md (allocate_stack): For NT, call __allocate_stack to
1567	bump the stack if the size is large or variable.
1568
1569	* libgcc1-test.c (mainCRTStartup,__start): New startup functions
1570	to silence more linkers.
1571
1572Tue Feb 13 13:30:53 1996  Jim Wilson  <wilson@cygnus.com>
1573
1574	* expr.c (store_constructor_field): Only call change_address if
1575	bitpos is nonzero.
1576
1577Tue Feb 13 08:21:01 1996  Fila Kolodny <fila@ibi.com>
1578
1579	* i370/mvs.h (CPP_SPEC): Add '-trigraphs' because IBM's h files
1580	contain them.
1581
1582Tue Feb 13 08:17:52 1996  Bernd Schmidt  <crux@pool.informatik.rwth-aachen.de>
1583
1584	* c-typeck.c (quality_type prototype): Typo, rename as
1585	qualify_type.
1586	(build_binary_op): Fix precedence errors.
1587	* combine.c (force_to_mode, num_sign_bit_copies, simplify_comparison):
1588	Fix precedence errors.
1589	* emit-rtl.c (gen_lowpart): Could return without a value.
1590	* jump.c (jump_optimize): Fix potential infinite loop.
1591	* reg-stack.c (record_reg_life_pat): Fix precedence error.
1592	* reload1.c (emit_reload_insns): Fix precedence errors.
1593	* stmt.c (bc_pushcase): Fix precedence error.
1594
1595Mon Feb 12 23:14:02 1996  Jason Merrill  <jason@yorick.cygnus.com>
1596
1597	* toplev.c (rest_of_compilation): Also set RTX_INTEGRATED_P when
1598 	we aren't going to emit the inline just yet.
1599
1600Mon Feb 12 21:31:02 1996  Jim Wilson  <wilson@cygnus.com>
1601
1602	* rtl.h (INLINE_REGNO_POINTER_FLAG, INLINE_REGNO_POINTER_ALIGN):
1603	Add one to array index.
1604
1605Mon Feb 12 20:55:39 1996  H.J. Lu  (hjl@gnu.ai.mit.edu)
1606
1607	* configure (i[345]86-*-linux*): Set tmake_file t-linux.
1608	Add crtbeginS.o and crtendS.o to extra_parts.
1609	* i386/linux.h (CC1, LIB_SPEC): Deleted.
1610	* config/linux.h (STARTFILE_SPEC): Add crtbeginS.o if -shared.
1611	(CC1_SPEC): New.
1612	(LIB_SPEC): Remove %{mieee-fp:-lieee}; use -lc_p for -profile.
1613	* config/t-linux: New file.
1614
1615Mon Feb 12 20:42:11 1996  Randy Smith  <randys@camaro.osf.org>
1616
1617	* i386/x-osfrose (XCFLAGS{,_NODEBUG}): Remove $(SHLIB).
1618	(XCFLAGS): New variable.
1619	(libdir, mandir, bindir): Delete.
1620	* i386/t-osf: New file.
1621	* i860/paragon.h (STARTFILE_SPEC): Make gcc find crt0.o, not loader.
1622	(LIB_SPEC): Remove /usr/lib.
1623	* Makefile.in (TCFLAGS): New variable.
1624	(GCC_CFLAGS): Add $(TCFLAGS).
1625	(LIBGCC2_CFLAGS): Add -D for __GCC_FLOAT_NOT_NEEDED.
1626	(libgcc1-test): Remove -nostdlib.
1627	(float.h-cross): Don't give error #ifdef __GCC_FLOAT_NOT_NEEDED.
1628	* enquire.c: Define __GCC_FLOAT_NOT_NEEEDED.
1629	* configure (i[3456]86-*-osfrose): Add t-osf as tmake_file.
1630
1631Mon Feb 12 18:43:54 1996  Oliver Kellogg  (oliver.kellogg@space.otn.dasa.de)
1632
1633	* 1750a.c (add_1_to_mem): Corrected.
1634
1635Mon Feb 12 18:23:35 1996  Doug Evans  <dje@cygnus.com>
1636
1637	* configure (sparclet-*-aout*): New configuration.
1638
1639Mon Feb 12 14:43:50 1996  Per Bothner  <bothner@cygnus.com>
1640
1641	Changes to distinguish typedef from original type in debug output.
1642	* tree.h (DECL_ORIGINAL_TYPE):  New macro.
1643	* tree.c (copy_node):  Zero out type.symtab union.
1644	* c-decl.c (pushdecl):  Set DECL_ORIGINAL_TYPE for typedef origin.
1645	* dbxout,c (dbxout_type):  Don't canonicalize typedef type to base.
1646
1647Mon Feb 12 12:01:16 1996  Richard Earnshaw (rearnsha@armltd.co.uk)
1648
1649	* arm.h: (CPP_SPEC): Define __ARMEB__, __ARMEL__, and
1650	__ARMWEL__ depending on the endian flags passed to the compiler.
1651	(ARM_FLAG_LITTLE_WORDS): Define.
1652	(TARGET_SWITCHES): Add option -mwords-little-endian.
1653	(TARGET_LITTLE_WORDS): Define.
1654	(WORDS_BIG_ENDIAN): Select based on the endian switches.
1655	(LIBGCC2_WORDS_BIG_ENDIAN): Define based on run-time endian
1656	defines.
1657	* arm.c (output_move_double): Cope with both word-endian
1658	alternatives.  Remove extraneous parameters from calls to
1659	output_mov_immediate.
1660	(arm_print_operand): New print code 'Q' for the least significant
1661	register of a DImode operand.  Make code 'R' always print the
1662	most significant register, rather than the highest numbered.
1663	* arm.md (all DImode output patterns): Use print code
1664	'Q' to access the least significant word.  Make sure the
1665	patterns are fully aware of the word endianness.
1666
1667	* arm/semi.h (CPP_SPEC):  Define __ARMEB__, __ARMEL__, and
1668	__ARMWEL__ depending on the endian flags passed to the compiler.
1669	(LINK_SPEC): Pass -EB to the linker if compiling for big-endian
1670	mode.
1671	(ASM_SPEC): Likewise for the assembler.
1672	* arm/semiaof.h (CPP_SPEC):  Define __ARMEB__, __ARMEL__, and
1673	__ARMWEL__ depending on the endian flags passed to the compiler.
1674
1675Mon Feb 12 10:15:29 1996  Ian Lance Taylor  <ian@cygnus.com>
1676
1677	* configure: Permit tm_file and xm_file to be a list of header
1678	file names, rather than just a single file.  For many targets,
1679	handle --with-stabs by adding dbx.h to tm_file, rather than using
1680	a different tm_file.
1681	* dbx.h: New file.
1682	* alpha/gdb-osf2.h, alpha/gdb-osf12.h, alpha/gdb.h: Deleted.
1683	* i386/sysv4gdb.h, mips/iris{5gdb,4gl,4gdb,3gdb}.h: Likewise.
1684	* mips/dec-gosf1.h, mips/news{4,5}-gdb.h, mips/svr4-t-gdb.h: Likewise.
1685	* mips/ultrix-gdb.h, mips/bsd-{4,5}-gdb.h: Likewise.
1686	* mips/svr{4-5,4-4,3-5,3-4}-gdb.h, mips/mips-5-gdb.h: Likewise.
1687	* mips/ecoff{,l}-gdb.h, mips/mips-4-gdb.h: Likewise.
1688
1689Mon Feb 12 07:22:20 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1690
1691	* integrate.c (save_for_inline_copying): Put virtual regs into
1692	new regno_reg_rtx copy.
1693
1694Sun Feb 11 18:53:12 1996  Torbjorn Granlund  <tege@noisy.tmg.se>
1695
1696	* i386.md: Delete spurious integer subtract patterns.
1697	Delete % from subtract operand constraints.
1698
1699Sun Feb 11 19:17:24 1996  Jeffrey A. Law  <law@cygnus.com>
1700
1701	* m68k.md (movqi): Call CC_STATUS_INIT when loading to/from
1702	an address register via a data register.
1703
1704Sun Feb 11 08:44:49 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1705
1706	* c-common.c (check_format_info): Handle missing type in format
1707	when terminated by a new `%'.
1708
1709Sat Feb 10 15:14:22 1996  J.T. Conklin  <jtc@rtl.cygnus.com>
1710
1711	* cross-make (STMP_FIXPROTO): Moved from here to build-make.
1712	* build-make (STMP_FIXPROTO): Moved here from cross-make.
1713
1714Sat Feb 10 08:39:05 1996  Oliver Kellogg  (oliver.kellogg@space.otn.dasa.de)
1715
1716	* 1750a.md (movstrqi): Corrected.
1717	(zero_extendqihi2): Taken out, let GCC synthesize.
1718	(movhi-1): Added insn to move HImode small constant to memory.
1719	(movhf-1): Added insn to move HFmode zero to memory.
1720	(movtqf-1): Added insn to move TQFmode zero to memory.
1721	(numerous insns): Taken out B (Base Reg with Index) mode.
1722
1723	* 1750a.c (movcnt_regno_adjust): Corrected.
1724	(mov_memory_operand, zero_operand): Added.
1725	(b_mode_operand): Corrected.
1726	(simple_memory_operand, add_1_to_mem): Added.
1727	(print_operand_address): Corrected case of 'Q' output modifier.
1728
1729	* 1750a.h (REG_ALLOC_ORDER): Changed back to natural order.
1730	(CONST_DOUBLE_OK_FOR_LETTER_P): Added letter 'G'.
1731	(EXIT_IGNORE_STACK): Set to 0.
1732	(REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Use corresponding REGNO_OK.
1733	(MOVE_MAX, MOVE_RATIO): Defined.
1734
1735Sat Feb 10 08:28:12 1996  Martin Anantharaman  <martin@goofy.imech.uni-duisburg.de>
1736
1737	* configure (m68k-*-psos*): New configuration.
1738	* psos.h: New file.
1739	* m68k/m68k-psos.h: New file.
1740
1741Sat Feb 10 08:07:52 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1742
1743	* sched.c (flush_pending_lists): Add new arg, ONLY_WRITE.
1744	(sched_analyze_{1,2,insn}): Add new arg to flush_pending_lists.
1745	(sched_analyze): Always flush pending write list for call, even const.
1746
1747	* integrate.c (save_for_inline_copying): Put reg_map in function's
1748	maybepermanent obstack instead of using alloca; set regno_reg_rtx
1749	to it; delete recently-added copying of this later.
1750
1751Sat Feb 10 00:49:58 1996  Doug Evans  <dje@cygnus.com>
1752
1753	* sched.c (add_dependence): Add test for next != CODE_LABEL.
1754
1755Fri Feb  9 16:10:04 1996  Stan Cox  (coxs@dg-rtp.dg.com)
1756
1757	* i386.md (fp, integer): Added function units for pentium.
1758	(cmp*,mov*,add*,sub*,mul*,div*,extend*,trunc*,and*,ior*,xor*,neg*,
1759	abs*,sqrt*,sin*,cos*,not*,ash*,lsh*,rot*,sub): Tightened constraints,
1760	added attribute support, and made changes for new `binary' and
1761	`unary' functions.
1762
1763	* i386.c (processor_costs): New variable.
1764	(optimization_options, ix86_expand_binary_operator,
1765	ix86_binary_operator_ok, ix86_expand_unary_operator,
1766	ix86_unary_operator_ok, is_mul, is_div, copy_all_rtx, rewrite_address,
1767	last_to_set_cc, doesnt_st_condition_code, sets_condition_code,
1768	str_immediate_operand, is_fp_insn, is_fp_dest, is_fp_store,
1769	agi_dependent, reg_mentioned_in_mem): New functions.
1770
1771	* i386.h (OPTIMIZATION_OPTIONS, ALIGN_DFmode, IS_STACK_MODE,
1772	IX86_EXPAND_BINARY_OPERATOR): New macros.
1773	(RTX_COSTS, REGISTER_MOVE_COST, ADJUST_BLOCKAGE) Changed for pentium.
1774
1775Fri Feb  9 14:47:27 1996  Doug Evans  <dje@cygnus.com>
1776
1777	* sparc.c (sp64_medium_pic_operand): New function.
1778	(move_pic_label): Delete.
1779	(legitimize_pic_address): Simplify using some named patterns.
1780	(finalize_pic): Add preliminary sparc64 support.
1781	(emit_move_sequence): Reorganize.
1782	* sparc.md (pic_lo_sum_si,pic_sethi_si,get_pc_sp32,get_pc_sp64,
1783	move_pic_label_si,move_label_di,sethi_di_sp64): Make named patterns.
1784	(sethi_di_sp64_const,sethi_di_medium_pic): New anonymous patterns.
1785	(move_pic_label_si,move_label_di): Optimize for near labels.
1786	(tablejump): Use for TARGET_MEDANY.
1787	(casesi): Delete.
1788
1789Fri Feb  9 13:48:45 1996  Jim Wilson  <wilson@cygnus.com>
1790
1791	* mips.md (probe+2, probe+4): New conditional move patterns.
1792	(movsicc): Don't truncate comparison if it is DImode.
1793
1794	* sh.h (CPP_SPEC): Add defines for -m1, -m2, and -m3.
1795
1796Fri Feb  9 09:11:28 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1797
1798	* toplev.c (rest_of_compilation): Set RTX_INTEGRATED_P in
1799	INLINE_HEADER iff function is inlineable.
1800	* calls.c (expand_call): Test RTX_INTEGRATED_P in DECL_SAVED_INSNS.
1801
1802Thu Feb  8 01:11:15 1996  Jeffrey A. Law  <law@cygnus.com>
1803
1804	* pa.md (floatunssisf2 expander): Don't use "general_operand".
1805	(floatunssidf2 expander): Likewise.
1806
1807Wed Feb  7 16:59:31 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1808
1809	* rs6000/{sysv4,win-nt,netware,cygwin32}.h ({ASM,LINK}_SPEC):
1810	Don't use %{V} for either linker or assembler.
1811
1812Tue Feb  6 17:22:29 1996  Per Bothner  <bothner@cygnus.com>
1813
1814	* dbxout.c (dbxout_range_type):  Emit non-range INTEGER_TYPE
1815	as a sub-range of itself (so gdb can tell the difference).
1816
1817Tue Feb  6 17:01:44 1996  David Edelsohn  <edelsohn@mhpcc.edu>
1818
1819	* rs6000.md (addsi3 and adddi3 split): Use cleaner computation
1820	and portable HOST_WIDE_INT.
1821	(iordi3 split): Use HOST_WIDE_INT.
1822	(movdi): Add TARGET_64BIT support and generate 64 bit constants.
1823	(movdi matcher, TARGET_POWERPC64): Add immediate constraint handled
1824	by new define_split.
1825	(allocate_stack): Use TARGET_32BIT.
1826	(tablejump): Add TARGET_64BIT support using ...
1827	(tablejumpsi): Rename original tablejump pattern.
1828	(tablejumpdi): New pattern.
1829
1830Tue Feb  6 15:29:22 1996  Per Bothner  <bothner@cygnus.com>
1831
1832	* stor-layout.c (layout_type):  Use same code to layout CHAR_TYPE
1833	as for INTEGER_TYPE (instead of hard-wiring in QImode).
1834
1835Tue Feb  6 15:13:38 1996  Jeffrey A. Law  <law@cygnus.com>
1836
1837	* pa.md (various patterns): Avoid using "general operand" in
1838	define_insn patterns.
1839
1840Sun Feb  4 21:37:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1841
1842	* rs6000/eabi{,sim}.h (LINK_START_SPEC): Bump the default start address
1843	for the simulator to 0x10000074 so that we don't waste a page in the
1844	linked file.
1845
1846Fri Feb  2 19:44:10 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1847
1848	* rs6000/eabi-c{i,n}.asm (.sdata2, .sbss2): Put these in the
1849	read-only section, not read-write.
1850
1851	* libgcc2.c (__unwind_function, rs6000/powerpc): Use _ARCH_PPC
1852	being defined to indicate to use PowerPC mnemonics.
1853
1854	* config/rs6000/t-cygwin32 (MULTILIB*): Add software floating
1855	point support.
1856
1857Thu Feb  1 09:10:02 1996  Steve Chamberlain  <sac@slash.cygnus.com>
1858
1859	* {i386,rs6000}/cygwin32.{asm,h}: New templates.
1860	* {i386,rs6000}/{t,x}-cygwin32: Ditto.
1861	* {i386,rs6000}/xm-cygwin32.h: Ditto.
1862	* configure (powerpcle-*-cygwin32, i[3456]86-*-cygwin32): New.
1863
1864Fri Feb  2 17:42:40 1996  Paul Eggert  <eggert@twinsun.com>
1865
1866	* c-decl.c (finish_struct):
1867	Fix typo in transparent union warning that led to core dump.
1868
1869	* c-parse.in (stmt): Warn about `goto *expr;' if pedantic.
1870	(label): Warn about `case expr ... expr:' if pedantic.
1871
1872Fri Feb  2 11:05:27 1996  Doug Evans  <dje@cygnus.com>
1873
1874	* h8300.h (TARGET_ALIGN_300): Renamed from TARGET_ALIGN_STRUCT_300.
1875	(TARGET_SWITCHES): Rename -malign-struct-300 to -malign-300.
1876	(BIGGEST_ALIGNMENT): Use TARGET_ALIGN_300.
1877
1878Fri Feb  2 08:25:49 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1879
1880	* flow.c (jmp_uses_reg_or_mem): Renamed from uses_reg_or_mem.
1881	Don't look into condition of an IF_THEN_ELSE; also make faster.
1882	(find_basic_blocks): Use new name.
1883
1884Fri Feb  2 06:49:56 1996  J"orn Rennecke (amylaar@meolyon.hanse.de)
1885
1886	* reload.c (debug_reload): Fix typo for reload_noncombine.
1887
1888Thu Feb  1 21:49:02 1996  Jeffrey A. Law  <law@cygnus.com>
1889
1890	* pa-pro.h (TARGET_DEFAULT): Turn on TARGET_SOFT_FLOAT by
1891	default for all pro targets.
1892	* t-pro: Delete all multilib references.
1893
1894Thu Feb  1 17:50:02 1996  Doug Evans  <dje@cygnus.com>
1895
1896	* c-lex.c (check_newline): Return result of HANDLE_PRAGMA.
1897	* h8300.h (HANDLE_PRAGMA): Pass result back to caller.
1898	* i960/i960.h (HANDLE_PRAGMA): Likewise.
1899	* sh.h (HANDLE_PRAGMA): Likewise.
1900	* nextstep.h (HANDLE_PRAGMA): Likewise.
1901
1902Wed Jan 31 19:26:03 1996  Doug Evans  <dje@cygnus.com>
1903
1904	* m68k/m68k-none.h: Rewrite to use EXTRA_SPECS.
1905	* m68k/vxm68k.h (CPP_SPEC): Delete.
1906	(SUBTARGET_EXTRA_SPECS): Define.
1907
1908Wed Jan 31 15:10:59 1996  David Edelsohn  <edelsohn@mhpcc.edu>
1909
1910	* rs6000.c (output_epilog): Fix PPC64 typos and use TARGET_32BIT.
1911	(output_prolog): Same.
1912	(rs6000_trampoline_template, rs6000_trampoline_size): Use TARGET_32BIT.
1913	* rs6000.md (movdf TARGET_POWERPC64 matcher): Fix std typo.
1914	(movdi TARGET_POWERPC64 matcher): Same.
1915
1916Wed Jan 31 09:46:11 1996  Richard Earnshaw (rearnshaw@armltd.co.uk)
1917
1918	* regs.h (regno_pointer_align, REGNO_POINTER_ALIGN): Delete from here.
1919	* rtl.h (regno_pointer_align, REGNO_POINTER_ALIGN): Put them here.
1920
1921Wed Jan 31 08:26:12 1996  Andreas Schwab  (schwab@issan.informatik.uni-dortmund.de)
1922
1923	* m68k/linux.h (STRICT_ALIGNMENT): Define to zero.
1924	(LEGITIMATE_PIC_OPERAND_P): Match definition from m68kv4.h.
1925
1926	* m68k.h (TRAMPOLINE_{TEMPLATE,SIZE}): Avoid need for helper function.
1927	(INITIALIZE_TRAMPOLINE): Likewise.
1928	(TRAMPOLINE_ALIGNMENT): Renamed from TRAMPOLINE_ALIGN.
1929	* m68k/next.h (INITIALIZE_TRAMPOLINE): Adjusted accordingly.
1930
1931	* m68kv4.h (STATIC_CHAIN_REGNUM): Redefine to use register a1.
1932	(TRAMPOLINE_TEMPLATE): Likewise.
1933
1934	* m68k/linux.h, m68kv4.h (LIBCALL_VALUE): Return XFmode value in fp0.
1935	* m68k.c (init_68881_table): Use SFmode for the first six
1936 	constants and DFmode for the seventh.
1937
1938	* m68k.md (movqi): Use moveq if possible.
1939
1940Wed Jan 31 08:18:15 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1941
1942	* expr.c (expand_builtin, case BUILT_IN_NEXT_ARG): Strip off
1943	INDIRECT_REF when checking second arg.
1944
1945	* calls.c (struct arg_data, expand_call): Test STRICT_ALIGN with #if.
1946
1947Wed Jan 31 07:47:56 1996  Tim Wright  (timw@sequent.com)
1948
1949	* configure (i[345]-sequent-sysv*): Change to sysv3*; add i686.
1950	(i[3456]86-sequent-ptx4*, i[3456]86-sequent-sysv4*): New cases.
1951	* fixinc.ptx (sys/mc_param.h): Remove embedded asm.
1952	* fixinc.svr4 (__STDC__): Add one more case.
1953	* i386/ptx4-i.h, ptx4.h: New files.
1954
1955Wed Jan 31 07:15:23 1996  Philippe De Muyter (phdm@info.ucl.ac.be)
1956
1957	* m68k.h (MACHINE_STATE_{SAVE,RESTORE}): Allow MOTOROLA syntax.
1958
1959	* m68k.md ({adddi,subdi}_sexthishl32): 'a' and 'd' versions merged
1960	and fixed; do not generate 'add/sub a,m'.
1961
1962	* gcc.c (warn_std_ptr): Initialize with 0 instead of NULL_PTR.
1963
1964Tue Jan 30 13:29:05 1996  Ian Lance Taylor  <ian@cygnus.com>
1965
1966	* dbxout.c: Don't include <string.h>.
1967	Don't compare strchr result to NULL.
1968
1969	* config/svr4.h (ASM_FINAL_SPEC): Use %|, not ${pipe:-}.
1970
1971Tue Jan 30 06:48:43 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
1972
1973	* combine.c (nonzero_bits, case REG): Ignore REG_POINTER_ALIGNMENT.
1974	Restore old code for SP, but use it for all pointers to
1975	defined locations in the frame.
1976
1977Mon Jan 29 11:25:28 1996  Ian Lance Taylor  <ian@cygnus.com>
1978
1979	* dbxout.c (dbxout_type_methods): Don't use #ifndef inside call to
1980	strchr.
1981
1982Sun Jan 28 14:44:09 1996  Doug Evans  <dje@cygnus.com>
1983
1984	* config/dbxcoff.h (*): #undef first.
1985
1986Sat Jan 27 21:46:16 1996  David Edelsohn  <edelsohn@mhpcc.edu>
1987
1988	* rs6000.c (rs6000_sync_trampoline): Add cmpdi to 64bit case.
1989	(rs6000_initialize_trampoline): CSE of Pmode to pmode.
1990	* rs6000.md (movdf): Handle move between FPR and 64 bit GPR.
1991	(movdi matcher): Handle SPR move to itself and add "mr." combiner.
1992
1993Sat Jan 27 10:06:31 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1994
1995	* rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Redefine, put small
1996	data items in .sbss if -msdata.
1997	(SWITCH_TAKES_ARG): Add 'B', 'b', and 'V'.
1998
1999Sat Jan 27 07:59:25 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
2000
2001	* tree.h (enum built_in_function): Add BUILT_IN_{SET,LONG}JMP.
2002	* expr.c: Include hard-reg-set.h.
2003	(arg_pointer_save_area): New declaration.
2004	(expand_builtin, case BUILT_IN_{SET,LONG}JMP): New cases.
2005	* Makefile.in (expr.o): Includes hard-reg-set.h.
2006	* c-decl.c (init_decl_processing): Add definitions for
2007	__builtin_setjmp and __builtin_longjmp.
2008	* cccp.c (initialize_builtins): Add def of __HAVE_BUILTIN_SETJMP__.
2009
2010	* expr.c (expand_expr, case COMPONENT_REF): Pass EXPAND_INITIALIZER
2011	to recursive call.
2012
2013Fri Jan 26 17:24:07 1996  Doug Evans  <dje@cygnus.com>
2014
2015	* sparc.h (sparc_arch_type): Delete.
2016	({,TARGET_}MASK_DEPRECATED_V8_INSNS): Define.
2017	(ARCH64_SWITCHES): Renamed from V9_SWITCHES.
2018	* sparc.c (sparc_arch_type): Delete.
2019	(sparc_init_modes): Likewise.
2020	(output_move_quad): Don't use ldq/stq unless TARGET_HARD_QUAD.
2021	* sparc/sp64-sol2.h (TARGET_DEFAULT): Add MASK_DEPRECATED_V8_INSNS.
2022	(SUBTARGET_SWITCHES): Add -m{no-,}deprecated-v8-insns.
2023	* sparc.md (arch attribute): Rewrite.
2024	(isa): New attribute.
2025	(32 bit multiply/divide patterns): Use if TARGET_DEPRECATED_V8_INSNS.
2026	(32 bit divide patterns): V9 doesn't require delay after y reg write.
2027
2028Fri Jan 26 12:08:43 1996  David Edelsohn  <edelsohn@mhpcc.edu>
2029
2030	* rs6000.h (TARGET_32BIT): Define.
2031	(BITS_PER_WORD, UNITS_PER_WORD): Invert so 32bit expected case.
2032	(LONG_TYPE_SIZE, POINTER_BOUNDARY, PARM_BOUNDARY): Likewise.
2033	(RS6000_REG_SAVE, RS6000_SAVE_AREA, RS6000_VARARGS_SIZE): Likewise.
2034	(RETURN_ADDRESS_OFFSET, CASE_VECTOR_MODE, MOVE_MAX): Likewise.
2035	(Pmode, FUNCTION_MODE): Likewise.
2036	(LEGITIMATE_OFFSET_ADDRESS_P): Handle TARGET_64BIT.
2037	(GO_IF_LEGITIMATE_ADDRESS, LEGITIMIZE_ADDRESS): Likewise.
2038	(GO_IF_MODE_DEPENDENT_ADDRESS): Same.
2039
2040Fri Jan 26 10:37:52 1996  Stan Coxs  <coxs@dg-rtp.dg.com>
2041
2042	* m88k.md (umulsidi3): Added for the 88110
2043
2044Fri Jan 26 09:35:42 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2045
2046	* rs6000/sysv4.h (STRIP_NAME_ENCODING): Deal with names that have
2047	both @ and * prefix characters.
2048	(ASM_OUTPUT_LABELREF): Ditto.
2049
2050Thu Jan 25 10:03:34 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2051
2052	* rs6000.h (LEGITIMIZE_ADDRESS): Rewrite to use HOST_WIDE_INT, not
2053	plain int.
2054	(optimize,flag_expensive_optimizations): Provide declaration for
2055	expander functions.
2056
2057	* rs6000.md (movsi): Correct code in splitting an address into
2058	load from the TOC, and add low/high integer parts.  If expensive
2059	optimizations, and reload hasn't started, use separate pseudo regs
2060	for each step.
2061
2062	* rs6000.c (small_data_operand): Don't use the function
2063	eliminate_constant_term, unwind code directly.
2064	(input_operand): SYMBOL_REF/CONST of small data operand is valid.
2065	(print_{,address_}operand): Add @sda21(0) in appropriate cases for
2066	small data.
2067	%L, etc. so that if the item is in small memory, the appropriate
2068	relocation is used.
2069	(rs6000_select{,_rtx}_section): Don't put floating point constants
2070	or small strings in .sdata2 since we can't tell from the pointer
2071	whether it is in the small data area or not.
2072
2073	* rs6000.h (EXTRA_CONSTRAINT): Add 'U' for small data references.
2074	(LEGITIMATE_SMALL_DATA_P): Test explicitly for SYMBOL_REF or CONST
2075	before calling small_data_operand.
2076
2077	* rs6000.md (movsi): Handle the addresses of small data items.
2078
2079	* rs6000/sysv4.h (g_switch_{value,set}): Add declarations.
2080	(SDATA_DEFAULT_SIZE): Default to 8.
2081	(SUBTARGET_OVERRIDE_OPTIONS): If -G was not set, set it to
2082	SDATA_DEFAULT_SIZE.
2083	(CC1_SPEC): Pass -G nn to the compilers.
2084	(SWITCH_TAKES_ARG): Add -G nn support.
2085	(LINK_SPEC): Pass -G nn to the linker.
2086
2087Thu Jan 25 09:16:34 1996  Doug Evans  <dje@cygnus.com>
2088
2089	* configure (sparc64-*-solaris2*): New target.
2090	* sparc.h (SPARC_{V9,ARCH64}): Default value is 0.
2091	(*): Replace SPARCV9 with SPARC_{V9,ARCH64}.
2092	(MASK_CPUS): Define.
2093	({MASK,TARGET}_ENV32): Delete.
2094	({MASK,TARGET}_ARCH64,TARGET_ARCH32): Define.
2095	(TARGET_SWITCHES): Reset cpu flags first for each variant.
2096	(CONDITIONAL_REGISTER_USAGE): If 32 bit v9 system, unfix g1-g4,
2097	fix g5, and make %f48-%f80 call used.
2098	* sparc/sp64-aout.h (SPARC_{V9,ARCH64}): Define.
2099	(TARGET_VERSION): Define.
2100	(TARGET_DEFAULT): Add MASK_ARCH64, delete MASK_ENV32.
2101	(JUMP_TABLES_IN_TEXT_SECTION): Define.
2102	(READONLY_DATA_SECTION): Make text_section.
2103	* sparc/sp64-elf.h (SPARC_{V9,ARCH64}): Define.
2104	(TARGET_DEFAULT): Add MASK_ARCH64.
2105	(ENDFILE_SPEC): No longer need to check for -nostartfiles.
2106	(ASM_IDENTIFY_GCC): Define as empty.
2107	* sparc/sp64-sol2.h: New file.
2108	* sparc.c (*): Replace TARGET_V9 with TARGET_ARCH64.
2109	(hard_32bit_mode_classes): Add v9 regs.
2110	(gen_v9_scc): Handle 32 bit v9 case.  Call v9_regcmp_p.
2111	* sparc.md (*): Replace TARGET_V9 with TARGET_ARCH64 in places
2112	requiring 64 bit environment.
2113	(multf3_extend): Require TARGET_HARD_QUAD.
2114
2115Thu Jan 25 00:33:25 1996  Ian Lance Taylor  <ian@cygnus.com>
2116
2117	* dbxcoff.h (DBX_USE_BINCL): Define.
2118	(DBX_CONTIN_LENGTH): Define if not defined.
2119
2120Wed Jan 24 18:00:12 1996  Brendan Kehoe  <brendan@lisa.cygnus.com>
2121
2122	* alpha.c (alpha_write_verstamp): Only emit MS_STAMP and LS_STAMP,
2123	not the extra numbers.
2124
2125Wed Jan 24 15:18:15 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2126
2127	* rs6000.c (init_cumulative_args): Rewrite to use DEFAULT_ABI
2128	runtime tests, instead of V.4 #ifdefs.
2129	(function_arg{,_advance,_partial_nregs,_pass_by_reference}): Ditto.
2130	(setup_incoming_varargs): Ditto.
2131  	(init_cumulative_args): Set call_cookie field to CALL_NORMAL or
2132	CALL_NT_DLLIMPORT.
2133	(function_arg): Add support for DLL imports.
2134	(rs6000_valid_{decl,type}_attribute_p): New functions for NT
2135	attributes cdecl, stdcall, dllimport, and dllexport.
2136	(rs6000_comp_type_attributes): New attribute support.
2137	(rs6000_set_default_type_attributes): Ditto.
2138	(rs6000_dll_import_ref): Ditto.
2139
2140	* rs6000.h (FP_ARG_{AIX,SYSV}_MAX_REG): Move here from sysv4.h.
2141	* sysv4.h (FP_ARG_{AIX,SYSV}_MAX_REG): Move to rs6000.h.
2142
2143	* rs6000.h (rs6000_call_cookie): New enum to describe the integer
2144	that is the 2nd argument to call insns and 3rd argument to
2145	call_value insns. Add support for NT DLL imports.
2146	(rs6000_args): Add call_cookie field.
2147	(VALID_MACHINE_{DECL,TYPE}_ATTRIBUTE): Define to call C functions.
2148	({COMP_TYPE,SET_DEFAULT_TYPE}_ATTRIBUTES): Ditto.
2149	(rs6000_valid_{decl,type}_attribute_p): Add declarations.
2150	(rs6000_comp_type_attributes): Ditto.
2151	(rs6000_set_default_type_attributes): Ditto.
2152	(rs6000_dll_import_ref): Ditto.
2153
2154	* win-nt.h (ASM_DECLARE_FUNCTION_NAME): Add support for dllexport
2155	attribute.
2156
2157	* rs6000.md (call insns): Add support for NT dllimport functions,
2158	and fix up NT indirect calls.  Also correctly set the flag
2159	rs6000_save_toc_p on NT indirect calls.
2160
2161	* aix41.h (LINK_SPEC): Use new extra specs to avoid separate
2162	versions for native and cross compilation.
2163	* rs6000.h (LINK_SPEC): Ditto.
2164	* sysv4.h (LINK_SPEC): Ditto.
2165
2166	* rs6000.h (EXTRA_SPECS): Add link_syscalls, link_libg, link_path,
2167	link_specs, and also allow target to define more with the macro
2168	SUBTARGET_EXTRA_SPECS.
2169	(LINK_{LIBG,SYSCALLS}_SPEC): Define as fixed pathnames if native
2170	compilation, and currently nothing if cross compiling.
2171	(LINK_START_SPEC): If not defined, define as empty.
2172	* eabi{,sim}.h (LINK_START_SPEC): Add default -Ttext for
2173	simulator.
2174
2175	* eabi{aix,le}.h (MULTILIB_DEFAULTS): Add -mno-sdata default.
2176	* sysv4{,le}.h (MULTILIB_DEFAULTS): Ditto.
2177
2178	* rs6000.c (small_data_operand): New function to return true if
2179	the operand lives in small data under eabi.
2180	(rs6000_select{,_rtx}_section): New functions to determine whether
2181	to put global and static items in the V.4/eabi small data areas if
2182	-msdata.
2183
2184	* rs6000.h (LEGITIMATE_SMALL_DATA_P): Call small_data_operand it
2185	if V.4.
2186	(GO_IF_LEGITIMATE_ADDRESS): If LEGITIMATE_SMALL_DATA_P, the item
2187	is a valid address.
2188	(ASM_OUTPUT_LABELREF): Use fputs, not fprintf.
2189	(small_data_operand): Declare function.
2190
2191	* sysv4.h (TARGET_SWITCHES): New switch -msdata to use V.4 and
2192	eabi defined small data sections.
2193	(SUBTARGET_OVERRIDE_OPTIONS): Don't allow -msdata and
2194	-mrelocatable or -mcall-aix options.
2195	(EXTRA_SECTION{S,_FUNCTIONS}): Add .sdata, .sdata2, and .sbss
2196	sections.
2197	(SELECT{,_RTX}_SECTION): Call (rs6000_select{,_rtx}_section).
2198	(ASM_SPEC): The -msdata switch passes -memb to the assembler.
2199	(ENCODE_SECTION_INFO): Prepend a '@' to the name, if the item
2200	lives in a small data region.
2201	(STRIP_NAME_ENCODING): Strip '@' in addition to '*'.
2202	(ASM_OUTPUT_LABELREF): Strip a leading '@'.
2203
2204	* t-{ppc,eabi}gas (MULTILIB*): Add support for libraries built
2205	with/without -msdata.  Drop support for -mcall-aixdesc libraries.
2206
2207Wed Jan 24 15:18:15 1996  Kim Knuttila  <krk@cygnus.com>
2208
2209	* rs6000/win-nt.h (LIB_SPEC): Change options to GNU ld style.
2210	(From Jason Molenda)
2211
2212Wed Jan 24 14:32:48 1996  Jim Wilson  <wilson@cygnus.com>
2213
2214	* reload1.c (used_spill_regs): New variable.
2215	(reload): Set it.
2216	* reorg.c (find_dead_or_set_registers): New function.
2217	(mark_target_live_regs): Delete loop looking forward from target
2218	and instead call find_dead_or_set_registers.
2219	(fix_reg_dead_note): New function.
2220	(fill_slots_from_thread): Call it.
2221
2222	* loop.c (scan_loop): Correct comment.
2223	(strength_reduce): Correct comments.  Don't set maybe_multiple when
2224	pass branch to scan_start.  Don't set not_every_iteration after
2225	passing a CODE_LABEL, or after passing a branch out of the loop.
2226	When outputting DEST_ADDR giv increments, put them next to the memory
2227	address on machines with auto-increment addresses.
2228	(record_biv): Set new field always_executed.
2229	(record_giv): Set new fields always_executed and auto_inc_opt.
2230	(maybe_eliminate_biv_1): Reject biv with auto_inc_opt optimization
2231	in some cases.
2232	* loop.h (struct induction): New fields always_executed and
2233	auto_inc_opt.
2234
2235	* c-typeck.c (pointer_int_sum): Use TYPE_PRECISION (sizetype) not
2236	POINTER_SIZE to agree with expr.c.
2237
2238Tue Jan 23 15:17:30 1996  Doug Evans  <dje@cygnus.com>
2239
2240	* sparc/sol2.h (ASM_OUTPUT_ALIGNED_LOCAL): Delete, use svr4.h's.
2241
2242Tue Jan 23 03:28:01 1996  Paul Eggert  <eggert@twinsun.com>
2243
2244	* cexp.y: Use preprocessor arithmetic instead of C arithmetic
2245	to avoid warnings on some compilers.
2246	(HOST_WIDE_INT_MASK): Remove.
2247	(MAX_CHAR_TYPE_MASK, MAX_WCHAR_TYPE_MASK): New macros.
2248	(yylex): Use them.
2249
2250Mon Jan 22 18:39:21 1996  Per Bothner  <bothner@cygnus.com>
2251
2252	* cppexp.c (cpp_parse_expr):  Set HAVE_VALUE flag for unary
2253	minus, even if skip_evaluation is true.
2254
2255Mon Jan 22 16:53:48 1996  David Edelsohn  <edelsohn@mhpcc.edu>
2256
2257	* rs6000.h (BIGGEST_ALIGNMENT): Increase to 64 always.
2258	(BIGGEST_FIELD_ALIGNMENT): Define.
2259	(GO_IF_LEGITIMATE_ADDRESS): Merge PRE_INC and PRE_DEC cases.
2260	(LEGITIMIZE_ADDRESS): Use Pmode not SImode.
2261	(CASE_VECTOR_MODE): Depend on TARGET_64BIT.
2262	(ASM_OUTPUT_COMMON): Delete.
2263	(ASM_OUTPUT_ALIGNED_COMMON): Define.
2264	* rs6000/sysv4.h (BIGGEST_FIELD_ALIGNMENT): Undefine.
2265	* rs6000.md (adddi3, subdi3, negsi2): New PowerPC64 patterns.
2266	(ashldi3, lshrdi3, ashrdi3, anddi3, iordi3, xordi3): Same.
2267	(moddi3, cmpdi, tablejump matchers): Same.
2268	(divdi3): Update PowerPC64 patterns.
2269	* rs6000.c (rs6000_initialize_trampoline, case ABI_AIX): Use Pmode
2270	not SImode.
2271
2272Sun Jan 21 23:33:24 1996  Ian Lance Taylor  <ian@cygnus.com>
2273
2274	* dbxout.c: Include <string.h>
2275
2276Fri Jan 19 17:17:00 1996  Per Bothner  <bothner@kalessin.cygnus.com>
2277
2278	* tree.h (CONSTRUCTOR_TARGET_CLEARED_P):  Removed.
2279	* expr.c (is_zeros_p, mostly_zeros_p):  Handle SET_TYPE CONSTRUCTORs.
2280	(store_constructor_field):  New helper function.
2281	(store_constructor):  Take 'cleared' parameter.
2282	(expand_expr):  Fix store_constructor_call to pass 'cleared' of 0.
2283
2284	* expr.c (store_constructor, SET_TYPE):  Fix off-by-one-error.
2285	Also, devide start byte by BITS_PER_UNIT before passing to memset.
2286	(store_constructor):  `continue' in wrong place.
2287
2288	* expr.c (store_constructor):  If storing into a range of array
2289	elements, and the range is small, or the target it not memory,
2290	unroll the loop (and use store_field, which handles REGs).
2291	(store_constructor):  Handle RANGE_EXPR in array index.
2292
2293Fri Jan 19 16:52:25 1996  Doug Evans  <dje@charmed.cygnus.com>
2294
2295	* svr4.h (SWITCH_TAKES_ARG): Add 'x'.
2296	* sparc/sol2.h (SWITCH_TAKES_ARG): Likewise.
2297
2298Fri Jan 19 15:18:38 1996  Ian Lance Taylor  <ian@cygnus.com>
2299
2300	* dbxout.c (flag_minimal_debug): Initialize to 0 if both
2301	NO_DOLLAR_IN_LABEL and NO_DOT_IN_LABEL are defined.
2302	(dbxout_type_methods): If the mangled method name uses the special
2303	C++ marker character, pass show_arg_types as 1 when calling
2304	dbxout_type.
2305
2306Fri Jan 19 11:48:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2307
2308	* rs6000/eabi-ci.asm (_SDA_BASE_): Move the default definition
2309	from the .got section to the .sdata section.  Do not add 32768.
2310	(_SDA2_BASE_): Provide a default definition.
2311
2312	* rs6000/eabi-cn.asm (.got.blrl): Don't define this section any
2313	more, linker now directly creates the blrl instruction at
2314	_GLOBAL_OFFSET_TABLE_-4.
2315
2316Fri Jan 19 05:12:31 1996  Richard Earnshaw <rearnsha@armltd.co.uk>
2317
2318	* arm/lib1funcs.asm (__divsi3, __modsi3, __udivsi3, __umodsi3):
2319	Replace with smaller, faster versions.
2320
2321Thu Jan 18 17:41:46 1996  Jim Wilson  <wilson@cygnus.com>
2322
2323	* sh.c (ctype.h): Delete.
2324	(regno_reg_class, reg_class_from_letter): Add SH3e support.
2325	(prepare_scc_operands, broken_move, push, pop, push_regs): Likewise.
2326	(calc_live_regs, sh_expand_prologue, sh_expand_epilogue): Likewsie.
2327	(initial_elimination_offset, arith_reg_operand): Likewise.
2328	(sh_builtin_saveregs, fp_zero_operand, fp_one_operand): New functions.
2329	(sh_function_arg, sh_function_arg_partial_nregs): Delete.
2330	* sh.h (CPP_SPEC, CONDITIONAL_REGISTER_USAGE): Add SH3E support.
2331	(TARGET_SWITCHES, OVERRIDE_OPTIONS, FIRST_PSEUDO_REGISTER): Likewise.
2332	(FIXED_REGISTERS, CALL_USED_REGISTERS, HARD_REGNO_MODE_OK): Likweise.
2333	(enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
2334	(REG_ALLOC_ORDER, CONST_DOUBLE_OK_FOR_LETTER_P, NPARM_REGS): Likewise.
2335	(FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Likewise.
2336	(FUNCTION_ARG_REGNO_P, CUMULATIVE_ARGS, ROUND_REG): Likewise.
2337	(INIT_CUMULATIVE_ARGS, FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Likewise.
2338	(FUNCTION_ARG_PARTIAL_NREGS, LEGITIMATE_CONSTANT_P): Likewise.
2339	(MODE_DISP_OK_4, REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
2340	(DBX_REGISTER_NUMBER, enum processor_type): Likewise.
2341	(SH3E_BIT, TARGET_SH3E, FPUL_REG, FIRST_FP_REG, LAST_FP_REG): New.
2342	(FIRST_FP_PARM_REG, FIRST_FP_RET_REG, BASE_RETURN_VALUE_REG): New.
2343	(BASE_ARG_REG, enum sh_arg_class, struct sh_args): New.
2344	(GET_SH_ARG_CLASS, PASS_IN_REG_P, sh_builtin_saveregs): New.
2345	(EXPAND_BUILTIN_SAVEREGS, DOUBLE_TYPE_SIZE): New.
2346	(TARGET_SWITCHES): Delete broken -m3l option.
2347	* sh.md (cpu, movsi_i, movsf_i, blt, bge, sle, sge): Add SH3E support.
2348	(push_e, pop_e, movsi_ie, movsf_ie, addsf3, subsf3): New patterns.
2349	(mulsf3, macsf3, divsf3, floatsisf2, fix_truncsfsi2): New patterns.
2350	(cmpgtsf_t, cmpqesf_t, cmpsf, negsf2, sqrtsf2, abssf2): New patterns.
2351	(abssf2+9, abssf2+10): Add SH3e support to peepholes
2352	(abssf2+11, abssf2+12): New peepholes for SH3e.
2353	* t-sh (MULTILIB_OPTIONS): Add SH3E support.
2354	(MULTILIB_DIRNAMES): Define to empty.
2355
2356Thu Jan 18 11:29:11 1996  Ian Lance Taylor  <ian@cygnus.com>
2357
2358	* cplus-dem.c (cplus_demangle_opname): Change type of opname
2359	parameter to const char *.
2360	(cplus_mangle_opname): Change return type and type of opname
2361	parameter to const char *.  Don't cast return value.
2362	* demangle.h (cplus_demangle_opname): Update declaration.
2363	(cplus_mangle_opname): Likewise.
2364
2365Thu Jan 18 10:07:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2366
2367	* gcc.c (extra_specs): If EXTRA_SPECS is defined, define
2368	extra_specs array to hold the extra specs the machine description
2369	defines.
2370	(set_spec): If EXTRA_SPECS is defined, handle the extra
2371	specifications.
2372	(process_command, main, validate_all_switches): Likewise.
2373
2374	* rs6000/{rs6000.h,powerpc.h,aix41.h} ({CPP,ASM}_SPEC): Use common
2375	specs with EXTRA_SPECS, only modifying things in the target that
2376	needs to be modified, rather than having tons of mostly duplicate
2377	definitions.
2378	* rs6000/{sysv4{,le}.h,}netware.h,lynx.h,} ({CPP,ASM}_SPEC): Ditto.
2379	* rs6000/eabi{le,aix}.h,aix3newas.h}} ({CPP,ASM}_SPEC): Ditto.
2380
2381Wed Jan 17 19:38:24 1996  Paul Eggert  <eggert@twinsun.com>
2382
2383	* cexp.y (HOST_WIDE_INT_MASK): Renamed from LONG_MASK;
2384	use HOST_WIDE_INT.
2385	(HOST_WIDE_INT, HOST_BITS_PER_WIDE_INT): Put back.
2386	(parse_c_expression, expression_value, parse_escape, left_shift,
2387	right_shift, struct constant, exp, parse_number, yylex):
2388	Replace `long' with `HOST_WIDE_INT'.
2389	* cccp.c (PTR_INT_TYPE): Remove obsolete define to `long'.
2390	(parse_escape, parse_c_expression, eval_if_expression, get_lintcmd,
2391	do_line, do_if, do_elif): Replace `long' with `HOST_WIDE_INT'.
2392	(trigraph_pcp): Don't assume a pointer difference fits in an int.
2393
2394Wed Jan 17 18:56:31 1996  Jim Wilson  <wilson@cygnus.com>
2395
2396	* expmed.c (extract_bit_field): For multi-word bitfield, clobber
2397	target before storing to it.
2398
2399Wed Jan 17 14:19:34 1996  J.T. Conklin  <jtc@slave.cygnus.com>
2400
2401	* sparc/{t-sol2,t-sunos40,t-sunos41}: Define away LIBGCC1_TEST
2402	so that cross compilers targeted at these systems will build.
2403
2404Wed Jan 17 09:51:58 1996  Doug Evans  <dje@cygnus.com>
2405
2406	* sparc.h (v9 INIT_CUMULATIVE_ARGS): Fix typos.
2407
2408	* gcc.c (process_command): New local lang_n_files, and use
2409	it in test of -c with -o.  Move test of -save-temps.
2410	Test for trailing NUL in -c.
2411
2412	* i386/t-go32: New file.
2413	* i386/xm-go32.h: New file.
2414	* configure (i[345]86-*-go32*): Define xm_file and tmake_file.
2415
2416Wed Jan 17 07:47:43 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
2417
2418	* cccp.c (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Put back.
2419	(pcfinclude): Use HOST_WIDE_INT for casting pointer to integer.
2420
2421Wed Jan 17 05:25:06 1996  Jeffrey A. Law  <law@cygnus.com>
2422
2423	* va-pa.h (__gnuc_va_list): Use a "void *".
2424
2425Tue Jan 16 18:45:23 1996  Per Bothner  <bothner@cygnus.com>
2426
2427	* cppexp.c (cpp_lex):  Do cpp_pop_buffer after CPP_POP so retried
2428	cpp_skip_hspace will actually work.
2429
2430	* cppexp.c (SKIP_OPERAND):  New macro.
2431	(cpp_parse_expr):  Suppress evaluation and diagnostics in
2432	unevaluated subexpressions.
2433	Corresponds to Eggert's Fri Jun  9 17:58:29 1995 change.
2434
2435Tue Jan 16 11:59:07 1996  Mike Stump  <mrs@cygnus.com>
2436
2437	* expr.c (expand_expr, case COND_EXPR): Make sure cleanups live on
2438	the function_obstack as they are used by the exception handling code.
2439	(defer_cleanups_to): Ditto.
2440	(TRUTH_ANDIF_EXPR): Ditto.
2441	(TRUTH_ORIF_EXPR): Ditto.
2442
2443Tue Jan 16 13:57:13 1996  Jim Wilson  <wilson@cygnus.com>
2444
2445	* cccp.c (new_include_prefix): Ignore ENOTDIR error from stat.
2446
2447Tue Jan 16 12:18:56 1996  Doug Evans  <dje@cygnus.com>
2448
2449	* i386/t-sol2 (crt[1in].o): Add missing -c.
2450	* sparc/t-sol2 (crt[1in].o,gcrt1.o): Likewise.
2451	Source files are assembler.
2452
2453	* gcc.c (do_spec_1, case 'W'): Rename local `index' to `cur_index' to
2454	avoid warning on solaris.
2455
2456Tue Jan 16 11:42:09 1996  Ian Lance Taylor  <ian@cygnus.com>
2457
2458	* dbxcoff.h: New file for stabs in COFF support.
2459	* a29k/a29k-udi.h: Use dbxcoff.h.
2460	* h8300.h, i960/i960-coff.h, m68k/coff.h, m88k/m88k-coff.h: Likewise.
2461	* sh.h, sparc/litecoff.h: Likewise.
2462
2463Tue Jan 16 08:21:45 1996  Hans-Peter Nilsson  <Hans-Peter.Nilsson@axis.se>
2464
2465	* optabs.c (expand_fix): Don't copy TARGET to TO if same.
2466
2467	* expr.c (emit_move_insn_1): Don't emit clobber when moving
2468	by parts and source equals destination.
2469
2470Tue Jan 16 08:08:29 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
2471
2472	* expmed.c (extract_bit_field): Don't abort if not MEM_IN_STRUCT_P.
2473
2474	* local-alloc.c (memref_referenced_p, case REG): Fix last change.
2475
2476	* fold-const.c (const_binop): Strip NOPS from both args.
2477
2478	* regclass.c (regclass): Remove useless cast.
2479
2480Tue Jan 16 07:06:03 1996  Paul Eggert  <eggert@twinsun.com>
2481
2482	* cexp.y: General code cleanup in the style of 1995-04-01 change.
2483	Add prototypes for static functions.
2484	Add parentheses suggested by `gcc -Wparentheses'.
2485	Use `long' uniformly, instead of long, int, HOST_WIDE_INT mess.
2486	(struct constant): Use `signedp' flag (with sign bit) instead of
2487	`unsignedp' flag; it's a little more convenient.
2488
2489	(HAVE_STDLIB_H, STDC_HEADERS, LONG_MASK, __attribute__, PROTO,
2490	VA_START, PRINTF_ALIST, PRINTF_DCL, PRINTF_PROTO, PRINTF_PROTO_1,
2491	vfprintf, SIGNED, UNSIGNED): New symbols.
2492	<stdlib.h>: Include if HAVE_STDLIB_H.
2493	<string.h>: New include.
2494	(HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Remove.
2495	(yylex, yyerror, expression_value, parse_number,
2496	initialize_random_junk): Now static.
2497
2498	(overflow_sum_sign): Renamed from possible_sum_sign, with an
2499	extra arg SIGNEDP.
2500	(parse_number): Inline strcmp when checking for "0x".
2501	(yylex): Keep track of mask needed when decoding wide characters.
2502	(parse_escape): New arg RESULT_MASK; use it instead of
2503	assuming char width.
2504	(yylex, parse_escape, parse_c_expression): Store all host
2505	integers as long, not int or HOST_WIDE_INT.
2506	(left_shift): No need to do signed left shifts separately.
2507
2508	These changes are for the test program (if TEST_EXP_READER):
2509	(pedantic, traditional): Allocate storage.
2510	(main): Set pedantic, traditional, yydebug depending on args.
2511	(is_hor_space, warning, lookup): Change types and implementation
2512	to match rest of program.
2513	(pedwarn, check_assertion, xmalloc): New functions.
2514
2515	* cccp.c (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Remove.
2516	(parse_escape, parse_c_expression, eval_if_expression):
2517	Change return type to `long'; all callers changed.
2518	(pcfinclude): Use `int', not HOST_WIDE_INT; any integral type will do.
2519
2520	* cccp.c (skip_quoted_string): If pedantic and not pedantic_errors,
2521	skipped multiline strings elicit a warning, not an error.
2522	(rescan): Minor code reorg to keep it parallel with skip_quoted_string.
2523
2524	* fold-const.c (left_shift_overflows): Remove; unused.
2525
2526	* c-typeck.c (convert_for_assignment): Don't automatically convert
2527	from a union member to the union.
2528
2529Tue Jan 16 06:26:00 1996  Stefan Vogel  (stefan@ssw.de)
2530
2531	* config/svr4.h (ASM_OUTPUT_SECTION_NAME): Define section attributes
2532	only when a section is defined the first time.
2533
2534Tue Jan 16 06:03:27 1996  Thomas Graichen  <graichen@omega.physik.fu-berlin.de>
2535
2536	* i386/freebsd.h (ASM_WEAKEN_LABEL): Deleted; not supported.
2537
2538Mon Jan 15 20:59:49 1996  J. Kean Johnston  <hug@netcom.com>
2539
2540	* Makefile.in (LIBGCC2_CLFAGS): Add -DIN_LIBGCC2.
2541	(libgcc1.a): Add -DIN_LIBGCC1.
2542	(stamp-crtS): Remove -fpic, use CRTSTUFF_CFLAGS_S.
2543	* config/t-libc-ok: Add CRTSTUFF_CFLAGS_S.
2544
2545	* configure (i[3456]86-*-sco3.2v5*): New case.
2546	* i386/sco5.h, i386/t-sco5, i386/x-sco5, i386/xm-sco5.h: New files.
2547	* ginclude/stdarg.h, ginclude/varags.h: Add test for SCO Open Server 5.
2548
2549Mon Jan 15 20:44:13 1996  J.T. Conklin  <jtc@netbsd.org>
2550
2551	* m68k/netbsd.h (ASM_SPEC): New macro.
2552
2553Mon Jan 15 17:01:16 1996  Doug Evans  <dje@cygnus.com>
2554
2555	* c-lex.c (check_newline): Pass character after `#pragma' to
2556	HANDLE_PRAGMA.  Don't call get_directive_line if at end of line.
2557	* c-common.c (get_directive_line): Watch for EOF.
2558	* h8300.h (HANDLE_PRAGMA): New argument `c'.
2559	Must issue `return' now.
2560	* i960.h (HANDLE_PRAGMA): Likewise.
2561	* sh.h (HANDLE_PRAGMA): Likewise.
2562	* nextstep.h (HANDLE_PRAGMA): Likewise.
2563	* h8300.c (handle_pragma): New argument `ch'.
2564	Simplify pragma processing.  Delete support for `#pragma section'.
2565	* i960.c (process_pragma): New argument `c'.  Change result to
2566	terminating character.
2567	* nextstep.c (handle_pragma): Likewise.
2568	* sh.c (handle_pragma): Likewise.  Also simplified.
2569
2570	* sched.c (reemit_notes): Add prototype.
2571	(sched_analyze_2): Reorganize comments.  Call prev_nonnote_insn.
2572	(sched_analyze): Add abort call.
2573	(schedule_block): Call prev_nonnote_insn.
2574	Move call of reemit_notes to after SCHED_GROUP_P scheduling.
2575	Set `head' to `last'.
2576
2577Mon Jan 15 16:12:25 1996  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
2578
2579	* configure (*-*-gnu*): Use tmake_file=t-gnu.
2580	* config/t-gnu (CRTSTUFF_T_CFLAGS): New file.
2581	* configure (*-*-gnu*): Remove crtbeginS.o and crtendS.o frmo
2582	$extra_parts.  Use xmake_file=x-linux.
2583
2584Mon Jan 15 15:30:49 1996  Gran Uddeborg <gvran@uddeborg.pp.se>
2585
2586	* i386/svr3{,z}.ifile: Allocate address areas for the "stab"
2587	and "stabstr" sections.
2588
2589Mon Jan 15 14:39:14 1996  Paul Eggert  <eggert@twinsun.com>
2590
2591	* c-decl.c (finish_incomplete_decl): Warn if completing an
2592	array that wasn't declared extern.  Simplify test for whether
2593	completion is needed.
2594
2595	* cccp.c (do_xifdef): Warn about `#ifdef 0' if not traditional;
2596	formerly the warning was issued if not pedantic.
2597
2598Mon Jan 15 13:24:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2599
2600	* rs6000.md ({add,sub}di3): Make it work on little endian PowerPC
2601	systems.
2602
2603	* rs6000/eabi-c{i,n}.asm (.sbss2 section): Don't make .sbss2 a
2604	.bss section just yet, because it confused the linker.
2605
2606Mon Jan 15 08:50:31 1996  Philippe De Muyter (phdm@info.ucl.ac.be)
2607
2608	* m68k.md (pushdi): Allow "i" for operand 1.
2609	(extendqidi2): Improve 68000 code generation.
2610	(adddi_lshrdi_63): New pattern.
2611
2612Mon Jan 15 08:38:40 1996  H.J. Lu {hjl@gnu.ai.mit.edu)
2613
2614	* configure (i[3456]86-*-linux*): Add extra_parts.
2615	* i386/linux.h (LIB_SPEC): Remove %{mieee-fp:-lieee}.
2616	Use -lc_p for -profile.
2617	(CC1_SPEC): New macro.
2618	* linux.h (STARTFILE_SPEC): Use crtbegin.o for both shared llibrary
2619	and normal executable;  use gcrt1.o for -profile.
2620	(ENDFILE_SPEC): Use crtend.o for shared llibrary and normal executable.
2621	* x-linux (INSTALL_ASSERT_H): Unset it.
2622	* configure (i[3456]86-*-linux*oldld*): Set xmake_file to x-linux-aout.
2623	(i[3456]86-*-linux*aout*): Likewise.
2624	* x-linux-aout: New file, copied from config/x-linux.
2625
2626Mon Jan 15 07:41:05 1996  Dmitry K. Butskoy  (buc@stu.spb.su)
2627
2628	* varasm.c (in_data_section): New function.
2629
2630Mon Jan 15 07:37:13 1996  Andreas Schwab  (schwab@issan.informatik.uni-dortmund.de)
2631
2632	* c-typeck.c (build_c_cast): Don't warn about alignment when we
2633	have an opaque type.
2634
2635Mon Jan 15 07:22:59 1996  Michel Delval  (mfd@ccv.fr)
2636
2637	* reload.c (find_equiv_reg): Apply single_set, not PATTERN, to WHERE.
2638
2639Mon Jan 15 07:02:21 1996  John F. Carr  <jfc@mit.edu>
2640
2641	* reorg.c (mark_referenced_resources, case TRAP_IF): Set volatil.
2642
2643Mon Jan 15 06:20:38 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
2644
2645	* gcc.c (process_commands): Remove inadvertant fallthrough.
2646
2647	* function.c ({,round_}trampoline_address): TRAMPOLINE_ALIGNMENT is
2648	in bits, not bytes.
2649
2650	* objc/archive.c (objc_{write,read}_type, case _C_STRUCT_B): Fix typo.
2651
2652	* expr.c (expand_expr, case COMPONENT_REF): Don't make recursive
2653	call on object with EXPAND_SUM.
2654
2655	* stmt.c (save_expr_regs): Delete declaration; unused.
2656
2657Sun Jan 14 21:44:26 1996  Michael Meissner  <meissner@wogglebug.tiac.net>
2658
2659	* rs6000/eabi-ci.asm (__EXCEPT_START__): Provide label for start
2660	of g++ exception pointers.
2661
2662	* rs6000/eabi-cn.asm (__EXCEPT_END__): Provide label for end of
2663	g++ exception pointers.
2664
2665	* rs6000/eabi.asm (__eabi): Relocate exception pointers unless
2666	they are NULL.
2667
2668	* va-ppc.h (va_arg): Long longs are always passed in odd registers.
2669
2670	* rs6000.c (function_arg_boundary): On V.4, long longs are always
2671	passed in odd registers.
2672
2673	* rs6000.md ({add,sub}di3): Remove restriction for POWER only,
2674	since all of the instructions used are common to both
2675	architectures.
2676
2677Sun Jan 14 20:34:03 1996  Jeffrey A. Law  <law@cygnus.com>
2678
2679 	* expr.c (expand_assignment): Fix alignment parm in emit_block_move.
2680
2681Sun Jan 14 19:00:25 1996  Jim Wilson  <wilson@cygnus.com>
2682
2683	* sched.c (schedule_block): Copy RTX_INTEGRATE_P bit when create
2684	a new note.
2685
2686	* integrate.c (save_for_inline_copying, case NOTE): Copy
2687	RTX_INTEGRATED_P bit.
2688
2689Sun Jan 14 17:57:52 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
2690
2691	* stupid.c (stupid_find_reg): Don't try to allocate reg if live
2692	over more than 5,000 insns.
2693
2694Sat Jan 13 23:09:07 1996  Jeffrey A. Law  <law@cygnus.com>
2695
2696	* pa.h (STACK_BOUNDARY): Bring back down to 64bits.
2697
2698	* pa.md (pre_ldwm): Fix bug exposed by recent changes.
2699	Simplify.
2700	(pre_stwm, post_ldwm, post_stwm): Likewise.
2701	(HImode and QImode variants): Likewise.
2702	* pa.c (hppa_expand_prologue): Corresponding changes.
2703	(hppa_expand_epilogue): Likewise.
2704
2705	* pa.c (hppa_legitimize_address): Generate more indexing
2706	address modes.
2707
2708Fri Jan 12 19:03:21 1996  Doug Evans  <dje@cygnus.com>
2709
2710	* sparc/sol2.h (COMMON_ASM_OP): Delete, use sysv4.h's.
2711
2712	* sched.c (schedule_block): Maintain a valid chain so
2713	emit_note_before works.
2714
2715Fri Jan 12 13:20:01 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2716
2717	* rs6000/eabi{,-ci,-cn}.asm: Add support for V.4 .sbss/.sdata, and
2718	eabi .sbss2/.sdata2 sections, loading up r13 and r2 respectively
2719	if the sections were used, and we don't need to relocate the
2720	pointers.
2721
2722Thu Jan 11 19:41:07 1996  Per Bothner  <bothner@cygnus.edu>
2723
2724	* sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE):  Use AGGREGATE_TYPE_P so
2725	QUAL_UNION_TYPE and SET_TYPE are also passed by invisible reference.
2726	* sparc.h (INIT_CUMULATIVE_ARGS for SPARCV9):  Return types of
2727	QUAL_UNION_TYPE and SET_TYPE also make invisible 1st argument.
2728
2729Thu Jan 11 18:33:50 1996  Doug Evans  <dje@cygnus.com>
2730
2731	* h8300.h (TARGET_ALIGN_STRUCT_300): New macro.
2732	(TARGET_SWITCHES): Add -malign-struct-300.
2733	(BIGGEST_FIELD_ALIGNMENT): Update.
2734
2735Thu Jan 11 12:07:44 1996  J.T. Conklin  <jtc@cygnus.com>
2736
2737	* h8300.h (CPP_PREDEFINES): Delete -D_DOUBLE_IS_32BITS.
2738
2739Thu Jan 11 11:09:33 1996  David Edelsohn  <edelsohn@mhpcc.edu>
2740
2741	* rs6000.md (mulsf3 !POWERPC): Use dmul attribute.
2742	(divsf3 !POWERPC): Use ddiv attribute.
2743
2744Thu Jan 11 11:09:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2745
2746	* rs6000/eabi-ctors.c (__do_global_ctors): If global variable
2747	__atexit is non-NULL, call it with __do_global_dtors address to
2748	register the function to run destructors.
2749	(__do_global_{c,d}tors): Guard against NULL pointers.
2750
2751	* rs6000/eabi.asm (__eabi): If the __eabi function was already
2752	called, do nothing.
2753
2754Thu Jan 11 11:29:09 1996  Doug Evans  <dje@cygnus.com>
2755
2756	* fixincludes: Wrap rpc/types.h in extern "C", for osf2.0.
2757
2758Wed Jan 10 13:16:03 1996  Doug Evans  <dje@cygnus.com>
2759
2760	* varasm.c (variable_section): New function.
2761	(assemble_variable): Call it.
2762
2763Wed Jan 10 11:27:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2764
2765	* rs6000/eabi-c{i,n}.asm (__DTOR_{LIST,END}__): Fix typo.
2766	* rs6000/eabi{,sim}.h ({START,END}FILE_SPEC): Add %s to object
2767	files.
2768
2769	* rs6000/t-{eabi,eabigas,ppc,ppcgas} (MULTILIB_MATCHES): Drop
2770	support for obsolete -mcpu=mpc403.
2771	Add -mcpu=821 and -mcpu=860 to soft-float defaults.
2772
2773	* rs6000/t-eabi{,gas} (LIBGCC): Add stmp-crt.
2774	(INSTALL_LIBGCC): Add install-crt.
2775	(EXTRA_PARTS): Delete.
2776	(stmp-crt{,-sub}): New rules to build crti.o and crtn.o in a
2777	multilib fashion.
2778	(install-crt): Install the multilib crt values.
2779
2780Tue Jan  9 17:30:16 1996  Doug Evans  <dje@cygnus.com>
2781
2782	* c-tree.h (merge_attributes): Moved from here.
2783	* tree.h (merge_attributes): To here.
2784	* c-typeck.c (merge_attributes): Moved from here.
2785	* tree.c (merge_attributes): To here.
2786
2787Mon Jan  8 18:27:38 1996  Arne H. Juul  <arnej@pvv.unit.no>
2788
2789	* mips/netbsd.h (LINK_SPEC): Change nostdlib to nostartfiles.
2790	(LOCAL_LABEL_PREFIX): Delete.
2791	(ASM_OUTPUT_SECTION_NAME): Define.
2792
2793Sun Jan  7 17:11:11 1996  David Edelsohn  <edelsohn@mhpcc.edu>
2794
2795	* collect2.c (scan_libraries): Correct Import File ID interpretation.
2796
2797Sun Jan  7 16:56:56 1996  Michael Meissner  <meissner@wombat.gnu.ai.mit.edu>
2798
2799	* {svr4,mips/elf{,64}}.h (MAX_OFILE_ALIGNMENT):  Define as 32768*8.
2800
2801Sat Jan  6 15:52:36 1996  Doug Evans  <dje@cygnus.com>
2802
2803	* a29k/vx29k.h (CPP_SPEC): Define.
2804
2805	* configure: Recognize any --with/--without option.
2806
2807	* Makefile.in (MAKEINFOFLAGS): New variable.
2808	(cpp.info,gcc.info): Use it.
2809
2810	* sparc/t-sol2 (crt1.o,crti.o,crtn.o,gcrt1.o): Use $(GCC_FOR_TARGET).
2811	* i386/t-sol2 (crt1.o,crti.o,crtn.o): Likewise.
2812
2813Fri Jan  5 10:44:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2814
2815	* rs6000/aix{3newas,41}.h ({ASM,CPP}_SPEC): Update for new
2816	processors.
2817	* rs6000/eabi{aix,le}.h ({ASM,CPP}_SPEC): Ditto.
2818	* rs6000/{lynx,netware,powerpc,sysv4}.h ({ASM,CPP}_SPEC): Ditto.
2819
2820	* rs6000.c (rs6000_override_options): Remove requirement that
2821	-mcpu=common be big endian.
2822	(rs6000_stack_info): If NAME__main is defined, mark this function
2823	as doing a call, even if there are no arguments.
2824
2825	* rs6000.md (SI*SI->DI splitters): Add reload_completed
2826	condition.
2827	(mulsidi3): If big endian, do move directly, rather than moving by
2828	pieces.
2829
2830	* rs6000/eabi{,sim}.h (STARTFILE_SPEC): Add crti.o before any
2831	other objects.
2832	(ENDFILE_SPEC): Add crtn.o after any objects.
2833	* rs6000/t-eabi{,gas}: Build crt{i,n}.o from eabi-crt{i,n}.asm.
2834	* rs6000/eabi-crt{i,n}.asm: New files to provide begin/end labels
2835	for all special sections used by eabi as opposed to relying on GLD
2836	to set all of these symbols.
2837	* rs6000/eabi.asm (__eabi): Change to use the new labels provided
2838	above.  Don't assume that the .got2, .ctors, .dtors, and .fixup
2839	sections are contiguous.
2840
2841Fri Jan  5 10:40:37 1996  David Edelsohn  <edelsohn@mhpcc.edu>
2842
2843	* rs6000.md (mulh_call): Remove r4 clobber.
2844	(quoss_call): Remove cr0 and cr1 clobbers.
2845
2846	* rs6000.md (function units): Add MPC505/821/860 support.
2847	(SF multiply add combiner patterns): Use dmul attribute when limited
2848	to DFmode POWER instructions.
2849	* rs6000.c (processor_target_table): Add MPC505/821/860 support.
2850	Remove MASK_POWER and add MASK_PPC_GFXOPT for PPC602.  Always use
2851	new mnemonics for common mode.
2852	(rs6000_override_options): Don't set SOFT_FLOAT based upon
2853	PROCESSOR_DEFAULT.
2854	* rs6000.h (processor_type): Add PROCESSOR_MPCCORE.
2855	(RTX_COSTS): Add PROCESSOR_MPCCORE cases.
2856	(CPP_SPEC): Add new processor support.
2857
2858Fri Jan  5 00:32:49 1996  Doug Evans  <dje@cygnus.com>
2859
2860	* sparc.h (MACHINE_STATE_RESTORE): Add missing .align.
2861
2862Wed Jan  3 18:29:32 1996  Doug Evans  <dje@cygnus.com>
2863
2864	* arm/lib1funcs.asm (__USER_LABEL_PREFIX__): Define if not already.
2865	(CONCAT1,CONCAT2,SYM): Define.
2866	(__udivsi3,__divsi3,__umodsi3,__modsi3,__div0): Use SYM to define
2867	global labels.
2868
2869Wed Jan  3 02:41:39 1996  Jeffrey A. Law  <law@cygnus.com>
2870
2871	* pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Call text_section.
2872
2873Tue Jan  2 16:12:13 1996  Jim Wilson  <wilson@cygnus.com>
2874
2875	* sh.c (gen_shifty_op): Output a NOP for a shift by 0.
2876	(find_barrier): New variables si_limit, hi_limit.  Set them depending
2877	on whether we are optimizing.  Set found_hi if the destination is
2878	HImode.
2879	(machine_dependent_reorg): If not optimizing, then change scan to a
2880	note instead of calling delete_insn.
2881	* sh.h (OVERRIDE_OPTIONS): Don't set optimize or flag_delayed_branch.
2882
2883	* dbxout.c (gstab.h): Include if cross compiling.
2884
2885Mon Jan  1 21:13:43 1996  Arkady Tunik  <Arkady_Tunik@comverse.com>
2886
2887	* configure (i[3456]-*-solaris2*): Support stabs.
2888	* i386/sol2dbg.h: New file.
2889
2890Mon Jan  1 09:08:01 1996  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
2891
2892	* c-typeck.c: Use DECL_C_BIT_FIELD, not DECL_BIT_FIELD in all tests.
2893
2894	* global.c (reg_allocno): No longer static.
2895	* reload1.c (reg_allocno): Declare.
2896	(order_regs_for_reload): New arg, GLOBAL.
2897	Bias against regs allocated in local-alloc.
2898	(reload): Pass new parm to order_regs_for_reload.
2899
2900	* local-alloc.c (reg_equiv_replacement): New variable.
2901	(memref_referenced_p, case REG): Check for reg_equiv_replacement.
2902	(update_equiv_regs): reg_equiv_replacement now file-scope.
2903
2904	* c-decl.c (finish_struct): Warn if field with enumeral type is
2905	narrower than values of that type.
2906
2907	* combine.c (rtx_equal_for_field_assignment_p): New function.
2908	(make_field_assignment): Use it.
2909	Expand compound operations on both sides of an IOR.
2910	Properly adjust constand in IOR when computing bit position.
2911
2912Sun Dec 31 18:47:22 1995  Doug Evans  <dje@cygnus.com>
2913
2914	* m68k-none.h (MULTILIB_DEFAULTS): Define.
2915
2916Sun Dec 31 15:47:20 1995  Jeffrey A. Law  <law@cygnus.com>
2917
2918	* hard-reg-set.h (losing_caller_save_reg_set): Declare.
2919	* regclass.c (losing_caller_save_reg_set): Define.
2920	(init_reg_sets_1): Initialize losing_caller_save_reg_set.
2921	* global.c (find_reg): Avoid caller-saving registers in
2922	losing_caller_save_reg_set.
2923	* local-alloc.c (find_free_reg): Avoid caller-saving registers
2924	in losing_caller_save_reg_set.
2925	(CLASS_LIKELY_SPILLED_P): Delete definition.  Moved into regs.h.
2926	* regs.h (CLASS_LIKELY_SPILLED_P): Define if not already defined.
2927
2928	* reorg.c (fill_simple_delay_slots): Try to fill from the
2929	target of an unconditional branch if necessary.
2930
2931	* pa.h (REG_ALLOC_ORDER): Allocate PA1.1 caller-saved FP regs
2932	before PA1.0 caller-saved FP regs.
2933
2934	* sched.c (adjust_priority): Use ADJUST_PRIORITY if its defined.
2935
2936	* pa.h (ADJUST_PRIORITY): Define to keep lifetimes of registers
2937	that will be allocated to %r1 shorter.
2938
2939Sun Dec 31 14:20:49 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
2940
2941	* rtl.h (assign_temp): Add extra arg.
2942	* function.c (assign_temp): Add extra arg, DONT_PROMOTE.
2943	Don't return (const_int 0) for VOIDmode.
2944	* stmt.c (expand_asm_operands): Call assign_temp with extra arg.
2945	* expr.c (save_nocopied_parts, expand_expr): Likewise.
2946	(expand_expr, case SAVE_EXPR): Set TEMP to (const_int 0)
2947	if MODE is VOIDmode.
2948	(expand_expr): Don't use assign_temp for pseudos when might
2949	want to be TMODE.
2950
2951	* stmt.c (tail_recursion_args): Compare TYPE_MAIN_VARIANTs.
2952
2953	* calls.c (expand_call): Don't warn about not being able to
2954	inline if -O0.
2955	* expr.c (clear_pending_stack_adjust): Don't do optimization if -O0.
2956	* function.c (instantiate_decls): Check DECL_SAVED_INSNS to see
2957	if obstack change is needed.
2958	* toplev.c (rest_of_compilation): Leave DECL_INLINE set even if
2959	won't inline.
2960
2961	* tree.h: Add documentation on uses of common area flags.
2962	(DECL_ERROR_ISSUED): New macro.
2963	(DECL_NO_STATIC_CHAIN): New macro; currently unused.
2964	* c-aux-info.c (gen_decl): DECL_REGISTER isn't defined
2965	for FUNCTION_DECL.
2966	* toplev.c (compile_file): Likewise.
2967	* stmt.c (fixup_gotos): Use DECL_ERROR_ISSUED instead
2968	of DECL_REGISTER.
2969	* varasm.c ({bc_,}make_decl_rtl): Don't look at DECL_REGISTER
2970	for functions.
2971
2972Sat Dec 30 07:57:11 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
2973
2974	* sdbout.c (plain_type_1, case ARRAY_TYPE): Subtract lower bound
2975	when writing dimension.
2976
2977Fri Dec 29 18:23:58 1995  Paul Eggert  <eggert@twinsun.com>
2978
2979	* cccp.c (eval_if_expression): End expression with '\n', not '\0'
2980	so '\0' can be diagnosed properly.
2981	* cexp.y (yylex, parse_c_expression, main): Likewise.
2982
2983Thu Dec 28 18:24:54 1995  Per Bothner  <bothner@kalessin.cygnus.com>
2984
2985	* tree.h (TYPE_ARRAY_MAX_SIZE):  New macro (used by Chill).
2986	* function.c (assign_temp):  New function.  Can handle Chill-style
2987	variable-sized array with static maximum size.
2988	* rtl.h (assign_temp):  New declaration.
2989	* stmt.c (expand_asm_operands):  Use new assign_temp function.
2990	* expr.c (save_noncopied_parts, expand_expr):  Likewise.
2991
2992Thu Dec 28 15:28:47 1995  Per Bothner  <bothner@kalessin.cygnus.com>
2993
2994        * function.c (assign_parms):  Fix thinko for struct value arg.
2995
2996Fri Dec 29 12:41:47 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
2997
2998	* rs6000.md (movdf): Reinstate 12/24 change accidently dropped in
2999	undoing 12/27 changes.
3000
3001Thu Dec 28 22:24:53 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
3002
3003	* rs6000.h: (reg_class): Undo 12/27 changes, except for formatting.
3004	(REG_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
3005	(REG_CLASS_FROM_LETTER): Likewie.
3006	(PREDICATE_CODES): Delete predicate functions.
3007	(gpc_reg{0,3,4,34}_operand): Delete declaration.
3008	(cc_reg{0,1}_operand): Likewise.
3009	* rs6000.c (gpc_reg{0,3,4}_operand): Delete.
3010	(cc_reg{0,1}_operand): Likewise.
3011
3012	* rs6000.md (common mode functions): Undo 12/27 changes,and add
3013	 appropriate clobbers for common mode calls.  Keep define_splits for
3014	 powerpc SI*SI->DI.
3015
3016Thu Dec 28 11:08:11 1995  Mike Stump  <mrs@cygnus.com>
3017
3018        * sparc.h (RETURN_ADDR_OFFSET): Rename from NORMAL_RETURN_ADDR_OFFSET;
3019	returns offset for the current function specifically.
3020
3021Thu Dec 28 07:07:14 1995  Paul Eggert  <eggert@twinsun.com>
3022
3023	* c-lex.c (yylex): Improve error message for bogus numbers.
3024	Consolidate duplicated code.
3025
3026	* cexp.y (parse_number): Improve error message for bogus numbers.
3027	(yylex): Consider `0xe-1' to be a (bogus) number if not traditional.
3028
3029	* cccp.c (do_include): In VMS, worry only about EACCES when open fails.
3030	(new_include_prefix): Don't try to stat dir prefixes in VMS.
3031
3032Wed Dec 27 14:02:54 1995  Per Bothner  <bothner@kalessin.cygnus.com>
3033
3034	* fix-header.c:  Add EXIT_FAILURE and EXIT_SUCCESS to stdlib.h if
3035	missing.  Re-write how errno is added to be done similarly.
3036	(XOPEN_SYMBOL, XOPEN_EXTENDED_SYMBOL):  New macros, to mark XPG4
3037	functions.
3038	(std_include_table):  Add a number of functions (mostly XPG4).
3039
3040Tue Dec 26 23:18:34 1995  Per Bothner  <bothner@kalessin.cygnus.com>
3041
3042	* sys-types.h:  Add dummy definition for ssize_t.
3043	* sys-protos.h (bcmp, bcopy, gethostname, lockf, read, readlink,
3044	write):  Fix prototypes to match Posix and XPG4.
3045	(socket, strcasecmp, strncasecmp):  New prototypes (from XPG4).
3046
3047Wed Dec 27 15:30:04 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3048
3049	* libgcc2.c (_bb_init_prg): Cast arg to bzero to (char *).
3050
3051	* regs.h (reg_rtx_no, regno_pointer_{flag_length,align): New decls.
3052	(REGNO_POINTER_ALIGN): New macro.
3053	* emit-rtl.c (regno_pointer_align): New variable.
3054	(gen_reg_rtx): Extend regno_pointer_align table.
3055	Allocate tables in saveable obstack.
3056	(mark_reg_pointer): New arg, ALIGN.
3057	(gen_inline_header): New args for reg info.
3058	(set_new_first_and_last_insn): Set cur_insn_uid.
3059	({save,restore}_emit_status): Save and restore regno_pointer_align.
3060	(restore_reg_data{,_1}): Deleted.
3061	(init_emit): Allocate register tables in saveable obstack.
3062	Set REGNO_POINTER_ALIGN for regs pointing into frame.
3063	* function.c (assign_parms): Set REGNO_POINTER_ALIGN for
3064	parms that are pointers.
3065	* function.h (struct function): New field regno_pointer_align.
3066	* expr.c (expand_expr, case VAR_DECL): Set REGNO_POINTER_ALIGN
3067	when copying address into memory.
3068	(expand_expr, case COMPONENT_REF, case ADDR_EXPR): Set alignment
3069	of register when result or result's address.
3070	(expand_expr, case CONVERT_EXPR): Don't handle -fforce-mem here.
3071	* combine.c (set_nonzero_bits_and_sign_copies): Handle reg even
3072	if only set once and in one basic block.
3073	(nonzero_bits, case REG): Use REGNO_POINTER_ALIGN instead of
3074	explicit alignment of registers pointing into frame.
3075	* stmt.c (expand_decl): Set alignment of register for pointer
3076	variable.
3077	* optabs.c (emit_unop_insn): Don't do -fforce-mem for SIGN_EXTEND.
3078	* cse.c (find_best_addr): Make sure folded address better before using.
3079	* rtl.h (INLINE_REGNO_{RTX,POINTER_FLAG,POINTER_ALIGN}): New macros.
3080	(gen_inline_header): Add three new parms.
3081	* rtl.def (INLINE_HEADER): Add three new fields.
3082	* integrate.c: Include regs.h.
3083	(initialize_for_inline): Pass additional args to gen_inline_header.
3084	(save_for_inline_copying): Make new regno_reg_rtx, regno_pointer_flag,
3085	and regno_pointer_align arrays.
3086	(expand_inline_function): Set alignment of reg for parm if passed
3087	by hidden pointer.
3088	Set regno_pointer_{flag,align} into remap table.
3089	(copy_rtx_and_substitute): Set alignment of pointers into
3090	stack frame.
3091	Copy pointer flag and alignment to regs that are copies of
3092	pointer registers from the original regs.
3093	(output_inline_function): Don't call restore_reg_data.
3094	Restore reg_rtx_no, regno_{reg_rtx,pointer_flag,pointer_align}.
3095	* integrate.h (struct inline_remap): New fields regno_pointer_flag
3096	and regno_pointer_align.
3097	* unroll.c (unroll_loop): Set regno_pointer_{flag,align} in
3098	remap table.
3099	* explow.c (memory_address, allocate_dynamic_stack_space):
3100	Pass additional arg to mark_reg_pointer.
3101	* Makefile.in (integrate.o): Includes regs.h.
3102
3103	* alpha.c ({non,}aligned_memory_operand): Test REGNO_POINTER_ALIGN.
3104	(reg_or_unaligned_mem_operand): New function.
3105	(get_unaligned_address): Add new arg, EXTRA_OFFSET.
3106	* alpha.h ({CONSTANT,DATA}_ALIGNMENT): Align to at least BITS_PER_WORD.
3107	(PREDICATE_CODES): Add reg_or_unaligned_mem_operand.
3108	* alpha.md (extend{qihi,qisi,hisi}2): Allow unaligned memory
3109	as arg 1 and pass to extend_{q,h}idi2.
3110	(unaligned_extend{q,h}idi): New patterns.
3111	(extend{q,h}idi2): If unaligned memory, call above new patterns.
3112	(ext{q,l,w}h recognizer): Update to proper RTL.
3113	(ext define_split): Comment out for now; wrong and maybe useless.
3114	(unaligned_{load,store}hi): Do similarly to QImode.
3115	(movhi, reload_{in,out}hi): Call unaligned case differently.
3116
3117Wed Dec 27 11:38:20 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
3118
3119	* rs6000.md (mulsidi3{,_common}): Undo previous change using
3120	register classes instead of fixed registers for SI*SI->DI common
3121	mode multiplies.
3122
3123	* rs6000.c (gpc_reg34_operand): Delete unused function.
3124	* rs6000.h (gpc_reg34_operand): Likewise.
3125
3126	* rs6000.c (gpc_reg{3,4}_operand): Reorganize code and don't allow
3127	SUBREG's.
3128
3129	* rs6000.c (rs6000_override_options): Do not allow -mcpu=common on
3130	little endian PowerPC's.
3131	(gpc_reg{0,3,4,34}_operand): New functions to match a specific
3132	register.
3133	(cc_reg{0,1}_operand): Likewise.
3134
3135	* rs6000.h (reg_class): Add register classes for register 3 by
3136	itself, register 4 by itself, registers 3&4, and CR1.
3137	(REG_NAMES): Add support for new register classes.
3138	(REG_CLASS_CONTENTS, REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
3139	(PREDICATE_CODES): Add new predicate functions.
3140	(gpc_reg{0,3,4,34}_operand): Add declaration.
3141	(cc_reg{0,1}_operand): Likewise.
3142
3143	* rs6000.md (common mode multiplication/division): Move/rename common
3144	mode calls so they are closer to define_expands that call them.
3145	Set attribute type to be jmpreg, rather than integer, so optimizer
3146	knows branch processing unit is used; make SI*SI->DI multiplier use
3147	register classes instead of hardwired registers.
3148	Add appropriate clobbers of CR0/CR1 as mandated by PowerOpen spec.
3149	(PowerPC SI*SI->DI multipliers): Add appropriate define_splits.
3150
3151	* rs6000/t-{,x}newas (MULTILIB*): Don't build power2 or 601
3152	specific libraries.
3153
3154Tue Dec 26 21:52:18 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3155
3156	* fold-const.c (fold_convert): When converting a NaN to
3157	another type, change the type of the node before returning it.
3158
3159Mon Dec 25 17:12:10 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3160
3161	* c-typeck.c (mark_addressable): Fix error in last change.
3162
3163Sun Dec 24 22:19:49 1995  Jeffrey A. Law  <law@cygnus.com>
3164
3165	* pa.c (output_function_epilogue): Use assemble_integer rather
3166	than calling ASM_OUTPUT_INT directly.
3167	* pa.h (ASM_OUTPUT_INT): Use labels for everything in the
3168	exception table section.
3169
3170	* pa.c (print_operand): Don't call fprintf to output a register
3171	name.  Use fputs instead.
3172
3173	* pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Strip any name encoding
3174	on the section name.
3175
3176Sun Dec 24 17:46:03 1995  Markus Theissinger  <Markus.Theissinger@gmd.de>
3177
3178	* toplev.c (main): Add -ax option.
3179	* gcc.c (struct compilers): Likewise.
3180	* final.c (end_final): Extended header increased to 11 words.
3181	(profile_after_prologue): FUNCTION_BLOCK_PROFILER uses
3182	count_basic_blocks instead of profile_label_no.
3183
3184	* libgcc2.c (struct bb): Add flags field.
3185	(HAVE_POPEN): Test new define.
3186	(struct __bb, struct bb_{edge,func}): New structs.
3187	(__bb_init_{prg,file},__bb_{init,exit}_trace_func,__bb_trace_ret,
3188	(__bb_trace_func{,_ret},gopen,gclose): New functions.
3189
3190	* sparc.h, i386.h, m68k.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER):
3191	Extension for -ax option (profile_block_flag == 2).
3192	(MACHINE_STATE_SAVE,MACHINE_STATE_RESTORE): New macros.
3193	(FUNCTION_BLOCK_PROFILER_EXIT): New macro.
3194	* sparc.c (output_function_epilogue), i386.c (function_epilogue):
3195	Use FUNCTION_BLOCK_PROFILER_EXIT.
3196	* m68k.c (output_function_epilogue): Likewise.
3197	* xm-sparc.h: Define HAVE_POPEN.
3198
3199Sun Dec 24 06:50:30 1995  Barrett Richardson  (barrett@iglou.com)
3200
3201	* floatlib.c (__divdf3): Rewrite to do software divide of two
3202	doubles instead of using __divsf3.
3203
3204Sun Dec 24 06:38:15 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3205
3206	* rs6000.md (movdf): Don't copy a word at a time; nearly always loses.
3207
3208	* c-tree.h (DECL_C_BIT_FIELD): New macro.
3209	* c-decl.c (finish_struct): Set it when set DECL_BIT_FIELD.
3210	* c-typeck.c (mark_addressable, case COMPONENT_REF):
3211	Give error if taking address of a bit field.
3212
3213	* gcc.c (unused_prefix_warning): Include machine_suffix if
3214	require_machine_suffix.
3215	(warn_B, warn_std, warn_std_ptr): New variables.
3216	(process_commands): Use them and NULL_PTR as WARN arg to add_prefix.
3217
3218	* gcc.c (process_command): Give error for -c with -o and
3219	multiple compilations.
3220	(handle_braces): Rename variable "pipe" to "pipe_p".
3221
3222	* expr.h (clrstr_optab): New declaration.
3223	(clear_storage): New parm, ALIGN.
3224	* tree.h (CONSTRUCTOR_TARGET_CLEARED_P): New macro.
3225	* genopinit.c (optabs): Add "clrstr%a%".
3226	* optabs.c (init_optabs): Initialize clrstr_optab.
3227	* expr.c (struct clear_by_pieces): New structure.
3228	(clear_by_pieces{,_1}, {is,mostly}_zeros_p): New functions.
3229	(clrstr_optab): New optab.
3230	(clear_storage): Rework to try to use clear_by_pieces, then
3231	new clrstr insn, then library call.
3232	(store_constructor): Track if target is already cleared.
3233	Clear target first if CONSTRUCTOR is mostly zeros.
3234	Don't write zeros if target has been cleared.
3235	Add new arg to clear_storage call.
3236	(expand_expr, case CONSTRUCTOR): Don't put static constructor
3237	in memory if mostly zero.
3238	* i386.md (clrstrsi): New pattern and associate anonymous pattern.
3239
3240Sat Dec 23 12:21:53 1995  Jeffrey A. Law  <law@cygnus.com>
3241
3242	* pa.c (output_move_double): Correctly identify and handle
3243	overlapping moves.
3244	* pa.md (movdi patterns): Eliminate earlyclobbers in mem<->gr cases.
3245	(movdf patterns): Likewise.
3246
3247Fri Dec 22 17:29:42 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3248
3249	* expr.c (store_constructor): Don't call change_address on REG.
3250	(expand_expr, case CONSTRUCTOR): Likewise.
3251
3252	* mips.c (expand_block_move): Preserve MEM flags in call to
3253	movstrsi_internal.
3254
3255	* pa.c (emit_move_sequence): Don't try to set REGNO_POINTER_FLAG
3256	for a SUBREG.
3257
3258	* reload.c (find_valid_class): New function.
3259	(push_reload): Use it in cases where a SUBREG and its contents
3260	both need to be reloaded.
3261
3262	* toplev.c (rest_of_compilation): Never defer functions that
3263	contain nested functions.
3264
3265Fri Dec 22 15:55:00 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
3266
3267	* rs6000.md (function units): Add 403 support which deleted
3268 	by accident on Nov 21st.  Mark all compares from 602, 603, 604,
3269 	620, 403, like was done for rios{1,2} and 601 as needing the bpu,
3270 	so that compares are hoisted far enough branches for zero cycle
3271 	branch support.
3272
3273Fri Dec 22 15:13:47 1995  Stan Cox  <coxs@dg-rtp.dg.com>
3274
3275	* i386.h (TARGET_UNROLL_STRLEN): New macro.
3276	* i386.c (output_strlen_unroll): New function.
3277	* i386.md (strlensi): New pattern.
3278
3279Thu Dec 21 18:53:31 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
3280
3281	* /gnu.h (GNU_CPP_PREDEFINES): Add missing space after -Amachine(CPU).
3282
3283Thu Dec 21 12:23:42 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
3284
3285	* configure ({powerpc,rs6000}*): Change --enable-cpu to --with-cpu.
3286	* rs6000.c (rs6000_select): Likewise.
3287
3288	* rs6000/aix41.h (LINK_SPEC): Do not pass -bexport to the linker
3289	if -g and -shared.
3290
3291Wed Dec 20 11:23:39 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
3292
3293	* configure ({powerpc,rs6000}-ibm-aix*): Merge these two into the
3294	same case statement.  Aix 4 now generates -mcpu=common by default.
3295	({powerpc,rs6000}*): Add support for --enable-cpu=<value> to
3296	select the default cpu to compile for.
3297
3298	* rs6000/aix41.h (TARGET_DEFAULT): Make -mcpu=common default behavior.
3299	(PROCESSOR_DEFAULT): Likewise.
3300	(MULTILIB_DEFAULTS): Set mcpu=common.
3301
3302	* rs6000.h (TARGET_CPU_DEFAULT): Define to be NULL if not defined.
3303	(PROCESSOR_COMMON): Set this to PROCESSOR_601.
3304	(PROCESSOR_POWERPC): Set this to PROCESSOR_604.
3305	(TARGET_OPTIONS): Add -mtune= switch.
3306	(rs6000_select): New structure to hold -mcpu=, -mtune= switches
3307	and the result of configuring --enable-cpu=.
3308	(OVERRIDE_OPTIONS): Pass TARGET_CPU_DEFAULT to
3309	rs6000_override_options.
3310
3311	* rs6000.c (rs6000_cpu_string): Delete global variable.
3312	(rs6000_select): Define new global variable.
3313	(rs6000_override_options): Take default_cpu argument, and provide
3314	support for it and -mtune= in addition to -mcpu=.
3315
3316	* rs6000/{aix{3newas,41},lynx,netware,powerpc}.h (ASM_SPEC): Add
3317	support for -mcpu=power2.
3318	* rs6000/{rs6000,sysv4}.h (ASM_SPEC): Likewise.
3319
3320	* rs6000/{aix41,eabiaix,eabile,lynx,powerpc}.h (CPP_SPEC): Make
3321	sure all -mcpu=xxx targets are supports.
3322	* rs6000/{rs6000,sysv4,sysv4le}.h (CPP_SPEC): Likewise.
3323
3324	* rs6000/t-x{newas,rs6000}: New files to be used when making a
3325	cross compiler, to prevent libgcc1-test from being made.
3326
3327	* rs6000/t-{x,}newas (MULTILIB_*): Build multlilib libraries for
3328	power, power2, 601, powerpc, and common mode processors.
3329
3330	* rs6000/aix41ppc.h: Delete, no longer used.
3331
3332Tue Dec 19 18:31:21 1995  Jim Wilson  <wilson@cygnus.com>
3333
3334	* mips.c (mips_reg_names, mips_sw_reg_names, mips_regno_to_class):
3335	Add entry for new RAP reg.
3336	* mips.h (FIRST_PSEUDO_REGISTER): Increment.
3337	(FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES,
3338	DEBUG_REGISTER_NAMES): Add entry for new RAP reg.
3339	(RAP_REG_NUM, RETURN_ADDRESS_POINTER_REGNUM): New macros.
3340	(RETURN_ADDR_RTX): Define.
3341	(ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
3342	Add RETURN_ADDRESS_POINTER_REGNUM support.
3343	* emit-rtl.c (return_address_pointer_rtx): New global variable.
3344	(gen_rtx, init_emit_once): Add support for it.
3345
3346Tue Dec 19 15:08:31 1995  Jason Merrill  <jason@yorick.cygnus.com>
3347
3348	* collect2.c: Remove auto_export functionality.
3349
3350Tue Dec 19 10:57:23 1995  Kim Knuttila  <krk@cygnus.com>
3351
3352	* ppc-asm.h: Do not compile the register macros under winnt.
3353
3354Mon Dec 18 19:31:23 1995  Adam Fedor  <fedor@wilma.Colorado.EDU>
3355
3356	* objc/encoding.c (objc_alignof_type): Handle _C_PTR case.
3357
3358Mon Dec 18 18:40:34 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
3359
3360	* combine.c (simplify_rtx, case SUBREG): For SUBREG of a constant,
3361	use <= instead of < when comparing mode sizes.
3362	(force_to_mode, case NOT): Use full mask inside	the NOT operation.
3363
3364	* expr.c (emit_block_move): When call emit_libary_call for bcopy,
3365	pass arguments using correct types and modes.
3366	(emit_push_insn, expand_assignment): Likewise.
3367	(clear_storage, store_expr): Likewise for memset and bzero.
3368	(store_constructor): Likewise for memset.
3369	* optabs.c (emit_cmp_insn): Likewise for memcmp and bcmp.
3370	* convex.c (expand_movstr_call): Likewise for memcpy.
3371	* m88k.c (expand_block_move): Likewise for memcpy and bcopy.
3372	* mips.c (block_move_call): Likewise for memcpy and bcopy.
3373	* mips.h (INITIALIZE_TRAMPOLINE): Likewise for cacheflush.
3374
3375	* c-common.c (WCHAR_TYPE_SIZE): Add a default definition.
3376
3377	* sdbout.c (sdbout_symbol, case FUNCTION_DECL): Use DECL_INITIAL
3378	instead of DECL_EXTERNAL to identify declarations.
3379
3380        * svr4.h (ASM_IDENTIFY_GCC): Don't output stab here.
3381	(ASM_IDENTIFY_GCC_AFTER_SOURCE): Output stab here instead of above.
3382
3383	* stmt.c (expand_asm_operands): Handle numeric constraints in
3384	with the default case.
3385
3386Mon Dec 18 16:49:43 1995  John F. Carr  <jfc@mit.edu>
3387
3388	* expr.h (expand_mult_highpart_adjust): Declare.
3389
3390Mon Dec 18 16:39:41 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3391
3392	* expr.c (store_constructor): Fix error in last change: just
3393	copy MEM, but be sure to share address.
3394	(expand_expr, case CONSTRUCTOR): Likewise.
3395
3396Mon Dec 18 16:22:46 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
3397
3398	* rs6000.h (ASM_GENERATE_INTERNAL_LABEL): Put leading '*' in label
3399	string so as to not confuse dbxout.c.
3400
3401Mon Dec 18 09:44:56 1995  Mike Stump  <mrs@cygnus.com>
3402
3403	* libgcc2.c (__empty): An empty function used by the C++ frontend for
3404	defaulting cleanup actions.
3405
3406	* tree.c (save_tree_status, restore_tree_status): Save and restore
3407	temporary_firstobj.
3408
3409Mon Dec 18 07:49:34 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3410
3411	* function.c (fixup_var_refs_1): Fix error in last change (when
3412	mode of VAR is not the same as PROMOTED_MODE).
3413
3414Sun Dec 17 12:14:37 1995  Jeffrey A. Law  <law@cygnus.com>
3415
3416	* pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Don't surround section names
3417	with '$'; that confuses collect2.
3418	(ASM_OUTPUT_SECTION_NAME): Likewise.
3419
3420	* sched.c (canon_rtx): Recursively look for equivalences;
3421	look for expressions equivalent to MEMs.
3422	(true_dependence): Canonicalize inputs before operating
3423	on their values.
3424	(anti_dependence, output_dependence): Likewise.
3425
3426        * jump.c (follow_jumps): Don't follow an unconditional jump
3427        that is not a simple_jump.
3428
3429        * pa.c (override_options): Make 7100 scheduling the default.
3430
3431        * pa.md: Add 2nd reload peephole somehow omitted from Nov27 changes.
3432
3433	* regclass.c (regclass): Use SECONDARY_RELOAD_CLASS if it's
3434	defined to avoid useless work.
3435
3436	* combine.c (find_split_point): Try to split SET_DEST
3437	just like we do for SET_SRC.
3438
3439Sun Dec 17 11:37:25 1995  Torbjorn Granlund  <tege@noisy.tmg.se>
3440
3441	* expmed.c (expand_mult_highpart): When doing widening multiply,
3442	put constant in a register.
3443	(expand_mult_highpart): When mode is word_mode use gen_highpart
3444	instead of right shift by size.
3445
3446	* expr.c (expand_expr, case MULT_EXPR): Generalize code for widening
3447	multiply to handle signed widening multiply when only unsigned optab
3448	is defined, and vice versa.
3449
3450Sun Dec 17 07:35:50 1995  Pat Rankin  <rankin@eql.caltech.edu>
3451
3452	* vax/vms.h (WCHAR_TYPE_SIZE): Define.
3453
3454Sun Dec 17 07:08:34 1995  Ronald F. Guilmette  <rfg@monkeys.com>.
3455
3456	* fp-test.c: New file.
3457
3458Sun Dec 17 07:06:03 1995  Peter Flass  <flass@lbdc.senate.state.ny.us>
3459
3460	* i370.md (cmpqi): Fix generation of literal operand of CLM instruction
3461	to avoid double literals (=X'=F'...).
3462
3463Sun Dec 17 06:57:02 1995  Paul Eggert  <eggert@twinsun.com>
3464
3465	* cccp.c: Try harder not to open or stat the same include file twice.
3466	Simplify include file names so that they are more likely to match.
3467	E.g. simplify "./a//b" to "a/b".  Represent directories with simplified
3468	prefixes, e.g. replace "./a//b" with "a/b/", and "." with "".
3469	(absolute_filename): New function.
3470	(do_include): Use it.
3471	(read_name_map): Likewise; this makes things more consistent for DOS.
3472	(main, do_include, open_include_file): -M output now contains
3473	operands of -imacros and -include.
3474	(skip_to_end_of_comment): When copying a // comment, don't try to
3475	change it to a /* comment.
3476	(rescan, skip_if_group, skip_to_end_of_comment, macarg1): Tune.
3477	(rescan, skip_if_group, skip_to_end_of_comment, macarg1):
3478	If warn_comments is nonzero, warn if backslash-newline appears
3479	in a // comment.  Simplify method for finding /* /* */ comment.
3480	(skip_if_group): Optionally warn if /* /* */ appears between # and
3481	a directive inside a skipped if group.
3482	(macarg): Optionally warn if /* /* */ appears in a macro argument.
3483	(strncat, VMS_strncat, vms_ino_t, ino_t): Remove.
3484	(INCLUDE_LEN_FUDGE): Add 2 if VMS, for trailing ".h".
3485	(INO_T_EQ, INO_T_HASH): New macros.
3486	(struct file_buf): New member `inc'.
3487	(expand_to_temp_buffer): Initialize it.
3488	(struct file_name_list): New member `inc'.
3489	(struct file_name_list): New member `st'.
3490	c_system_include_path is now 1 if not 0.
3491	fname is now an array, not a pointer.
3492	(struct include_file): New members `next_ino', `deps_output', `st'.
3493	Remove members `inode' and `dev'; they are now in `st'.
3494	(INCLUDE_HASHSIZE): Rename from INCLUDE_HASH_SIZE.
3495	(include_hashtab): Rename from include_hash_table.
3496	(include_ino_hashtab): New variable.
3497	(main): Store file status in struct stat, not in long and int pieces.
3498	Use base_name to strip prefixes from file names.
3499	When printing directory prefixes, omit trailing / and print "" as ".".
3500	Fatal error if the input file is a directory.
3501	(main, path_include): Regularize operands of -include, -imacros,
3502	-isystem, -iwithprefix, and -iwithprefixbefore.
3503	Regularize default include directories.
3504	(do_include):
3505	Allocate dsp with alloca, since fname is now dynamically allocated.
3506	Use -3 to represent a never-opened file descriptor.
3507	Make copy of file name, and simplify the copy.
3508	Use base_name to identify the end of fname's directory.
3509	Do not prepend dir for "..." if it matches the search list's first dir.
3510	open_include_file now subsumes redundant_include_p and lookup_import.
3511	Use bypass_slot to remember when to skip directories when including
3512	a file that has already been seen.
3513	Instead of using 0 to represent the working directory, and ""
3514	to represent a directory to be ignored, use "" for the former,
3515	and assume the latter has been removed before we get here.
3516	Assume the directory prefixes have already been simplified.
3517	Report as errors all open failures other than ENOENT.
3518	Fatal error if fstat fails.
3519	Use new deps_output member to avoid printing dependencies twice.
3520	(bypass_hashtab): New variable.
3521	(do_include, open_control_file, record_control_macro): New convention:
3522	control_macro is "" if the file was imported or had #pragma once.
3523	(pragma_once_marker): Remove.
3524	(redundant_include_p, include_hash, lookup_include, lookup_import,
3525	add_import, file_size_and_mode): Remove; subsumed by open_include_file.
3526	(skip_redundant_dir_prefix): Remove; subsumed by simplify_filename.
3527	(is_system_include, read_name_map, remap_include_file):
3528	Assume arg is a directory prefix.
3529	(base_name, simplify_filename, remap_include_file,
3530	lookup_ino_include, new_include_prefix): New functions.
3531	(open_include_file): New arguments `importing' and `pinc'.
3532	Move filename mapping into new remap_include_file function.
3533	First try to find file by name in include_hashtab;
3534	if that doesn't work, open and fstat it and try to find it
3535	by inode and dev in include_ino_hashtab.
3536	(finclude): Get file status from inc->st instead of invoking fstat.
3537	Store inc into fp->inc so that record_control_macro doesn't
3538	need to do a table lookup.
3539	(finclude, record_control_macro): Accept struct include_file *
3540	instead of char * to identify include file.  All callers changed.
3541	(check_precompiled): Get file status from new argument `st'.
3542	(do_pragma): Output at most one warning about #pragma implementation.
3543	Always return 0 instead of returning garbage sometimes.
3544	(do_pragma, hack_vms_include_specification):
3545	Use base_name for consistency, and remove redundant code.
3546
3547	From Per Bothner:
3548	Unify the 3 separate mechanisms for avoiding processing
3549	of redundant include files: #import, #pragma once, and
3550	redundant_include_p to use a single more efficient data structure.
3551	(struct file_name_list):  Remove no-longer needed field control_macro.
3552	(dont_repeat_files, all_include_files):  Remove, no longer used.
3553	(struct import_file):  Renmed to struct include_file, moved earlier
3554	in file, renamed field name to fname, and added control_macro field.
3555	(pragma_once_marker):  New constant.
3556	(import_hash_table):  Renamed to include_hash_table.
3557	(import_hash):  Renamed to include_hash.
3558	(IMPORT_HASH_SIZE):  Renamed to INCLUDE_HASH_SIZE.
3559	(main, path_include):  Don't clear removed control_macro field.
3560	(lookup_include):  New function - look up fname in include_hash_table.
3561	(redundant_include_p):  Re-write to use lookup_include.
3562	(lookup_import, record_control_macro):  Likewise.
3563	(add_import):  Defer fstat to caller.  Combine two xmallocs into one.
3564	(do_once):  Use pragma_once_marker in include_hash_table.
3565	(do_pragma):  Re-implement to scan include_hash_table.
3566	(do_include):  Use new lookup_include and add_import.
3567
3568Sun Dec 17 06:45:43 1995  John F. Carr <jfc@mit.edu>
3569
3570	* configure (savesrcdir): Do not create paths with trailing "/.".
3571
3572	* combine.c (try_combine): When checking for two sets of the same
3573	register in a split insn, also test for setting a ZERO_EXTRACT,
3574	STRICT_LOW_PART, or SUBREG.
3575
3576Sun Dec 17 06:37:00 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3577
3578	* reload.c (push_secondary_reload): Don't strip paradoxical SUBREG
3579	if reload_class is CLASS_CANNOT_CHANGE_SIZE.
3580
3581Sat Dec 16 18:24:20 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3582
3583	* expr.c (expand_assignment): Fix alignment parm in emit_block_move.
3584
3585Sat Dec 16 18:16:08 1995  John Hassey  (hassey@rtp.dg.com)
3586
3587	* local-alloc.c (optimize_reg_copy_2): Don't attempt
3588	optimization if destination register dies.
3589
3590Sat Dec 16 08:31:16 1995  Paul Eggert  <eggert@twinsun.com>
3591
3592	* fold-const.c (fold):  Don't record overflow when negating
3593	unsigned constants.
3594
3595Sat Dec 16 07:45:11 1995  Gran Uddeborg  (uddeborg@carmen.se)
3596
3597	* configure (i[3456]-*-isc, gas, stabs): Remove crt* from extra_files
3598
3599Sat Dec 16 07:03:33 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
3600
3601	* stor-layout.c (layout_record): When PCC_BITFIELD_TYPE_MATTERS,
3602	compute bitpos using field_size % type_align instead of field_size.
3603
3604	* fixincludes (stdio.h):  Fix return type of fread and fwrite
3605	on sysV68.
3606
3607Sat Dec 16 06:57:14 1995  Thomas Lundqvist  (d0thomas@dtek.chalmers.se)
3608
3609	* function.c (fixup_var_refs_1): Fix two incorrect calls to single_set.
3610
3611Fri Dec 15 22:30:27 1995  Torbjorn Granlund  <tege@noisy.tmg.se>
3612
3613	* i386.h (REGISTER_MOVE_COST): Simplify.
3614
3615Fri Dec 15 22:30:27 1995  Stan Cox  <coxs@dg-rtp.dg.com>
3616
3617	* i386.h (TARGET_CPU_DEFAULT*, PROCESSOR_*,
3618	TARGET_{LEAVE,386_ALIGNMENT,PUSH_MEMORY,ZERO_EXTEND_WITH_AND,
3619	DOUBLE_WITH_ADD,BIT_TEST}): New macros.
3620	* i386.c (ix86_cpu*, ix86_isa*): New global variables.
3621	(override_options): Add -mcpu and -misa support
3622	* i386.md: Use TARGET* macros.
3623	* i386/dgux.{c,h}: New files.
3624	* m88k/t-dgux: (GCC_FOR_TARGET, T_CFLAGS): New macros.
3625	* m88k/t-dguxbcs: New file.
3626	* m88k/x-{dgux,dguxbcs}: (GCC_FOR_TARGET, X_CFLAGS): Removed.
3627
3628Fri Dec 15 18:41:50 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
3629
3630	* fixincludes (sys/wait.h):  Add forward declaration of struct rusage
3631	on AIX 3.2.5.
3632
3633Fri Dec 15 18:39:36 1995  Marco S Hyman  (marc@dumbcat.sf.ca.us)
3634
3635	* xm-bsd386.h (DONT_DECLARE_SYS_SIGLIST): Defined.
3636
3637Fri Dec 15 18:36:42 1995  Gran Uddeborg (uddeborg@carmen.se)
3638
3639	* i386/svr3dbx.h (DO_GLOBAL_DTORS_BODY): Delete; obsolete.
3640
3641Fri Dec 15 18:21:34 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3642
3643	* i386/i386iscgas.h, i386/t-iscscodbx: Deleted; long dead.
3644
3645Fri Dec 15 10:01:27 1995  Stan Cox  <coxs@dg-rtp.dg.com>
3646
3647	* configure (target_cpu_default) Set for 486/586/686
3648	(m88k-dg-dgux) Use t-dguxbcs instead of x-dguxbcs
3649	(i*86*) Change [345] to [3456]
3650	(i[3456]86-dg-dgux) Added
3651	* Makefile.in (out_object_file) Add MAYBE_TARGET_DEFAULT
3652
3653Fri Dec 15 08:05:49 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3654
3655	* function.c (init_temp_slots): New function.
3656	(init_function_start): Code moved to new function and called here.
3657	* toplev.c (rest_of_compilation): Call init_temp_slots.
3658
3659	* expmed.c (store_bit_field): Don't use insv for BLKmode value.
3660	(store_split_bit_field): Set total_bits to BITS_PER_FOR for
3661	BLKmode value.
3662
3663Fri Dec 15 06:35:36 1995  David Edelsohn  <edelsohn@mhpcc.edu>
3664
3665	* xcoffout.h (DBX_STATIC_BLOCK_END): Use macro arguments.
3666	(xcoff_begin_function_line, xcoff_current_function_file): Remove
3667	unused extern declarations.
3668	(DBX_OUTPUT_MAIN_SOURCE_FILENAME): Use macro argument.
3669	* xcoffout.c (xcoff_begin_function_line): Make static.
3670	(xcoff_inlining): Likewise.
3671	(xcoff_current_function_file): Likewise.
3672	(xcoff_output_standard_types): Remove TARGET_64BIT dependencies from
3673	int and unsigned int.
3674
3675Mon Oct 16 12:25:52 1995  Per Bothner  <bothner@kalessin.cygnus.com>
3676
3677	* fix-header.c:  Support different kinds of functions (ANSI and
3678	Posix1).  Enable ANSI proptotypes if __STRICT_ANSI__.
3679	(namelist_end):  Removed.
3680	(std_include_table):  Divide up functions into kinds.
3681	(add_symbols):  New function.
3682	(read_scanfile, write_rbrac, main):  Use new data structures.
3683
3684Thu Dec 14 19:17:12 1995  Torbjorn Granlund  <tege@noisy.tmg.se>
3685
3686	* rs6000.md (umulsidi3): New pattern.
3687
3688Thu Dec 14 18:08:59 1995  Torbjorn Granlund  <tege@noisy.tmg.se>
3689
3690	* expmed.c (expand_divmod, case TRUNC_DIV_EXPR): Only reject
3691	larger-than-HOST_BITS_PER_WIDE_INT modes for general constants,
3692	not for powers-of-2.
3693
3694	* i960.md (andsi3): Match op2 with logic_operand, change constraints
3695	accordingly.  Output andnot for negative op2.
3696	(iorsi3, xorsi3): Analogous changes.
3697	* i960.c (logic_operand): New function.
3698	(i960_print_operand): Handle code `C'.
3699	* i960.h (PREDICATE_CODES): Add logic_operand.
3700	(CONST_OK_FOR_LETTER_P): Handle `M'.
3701	* i960.md: Move all plain logical patterns together.
3702	* i960.h (SHIFT_COUNT_TRUNCATED): Define as 0 as appropriate.
3703
3704	* clipper.md (untyped_call): New pattern.
3705
3706	* m68k.md (ashrsi_31): New pattern.
3707
3708Thu Dec 14 17:22:14 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
3709
3710	* arm.c (output_move_double): Extract DFmode constants using
3711	REAL_VALUE_TO_TARGET_DOUBLE.
3712
3713Thu Dec 14 15:05:13 1995  Doug Evans  <dje@cygnus.com>
3714
3715	* Makefile.in (distclean): Delete float.h.
3716	* configure: Set CROSS_FLOAT_H from float_format.
3717	* config/float-i64.h: New file.
3718	* config/float-i32.h: New file.
3719	* config/float-vax.h: New file.
3720	* arm/cross-float.h: Delete.
3721	* arm/t-semi (CROSS_FLOAT_H): Delete.
3722
3723Wed Dec 13 19:16:57 1995  Mike Stump  <mrs@cygnus.com>
3724
3725	* expr.c (expand_expr, case ADDR_EXPR): Ensure op0 isn't QUEUED.
3726
3727Wed Dec 13 19:12:21 1995  Paul Eggert  <eggert@twinsun.com>
3728
3729	* gcc.c (my_strerror): Return "cannot access" if errno is 0.
3730	(perror_with_name, pfatal_with_name, perror_exec): Don't assume that
3731	the returned value from my_strerror contains no '%'s.
3732	(sys_nerr): Declare only if HAVE_STRERROR is not defined.
3733
3734Wed Dec 13 19:05:47 1995  Alan Modra  (alan@spri.levels.unisa.edu.au)
3735
3736	* Makefile.in (c-parse.y, objc-parse.y): Add warning that file is
3737	automatically generated.
3738
3739Wed Dec 13 15:40:30 1995  Mike Stump  <mrs@cygnus.com>
3740
3741	* function.c (identify_blocks): Start with chain of BLOCKs to match
3742	rest of backend (dbxout.c), instead of just one BLOCK.
3743	(reorder_blocks, all_blocks): Likewise.
3744
3745	* stmt.c (find_loop_tree_blocks): Pass the toplevel list of
3746	blocks, not just the first subblock.
3747
3748Wed Dec 13 16:11:18 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3749
3750	* expmed.c (expand_divmod): Don't use TARGET if it's the wrong mode.
3751
3752Wed Dec 13 15:02:39 1995  Ian Lance Taylor  <ian@cygnus.com>
3753
3754	* dbxout.c (struct typeinfo): Define.
3755	(typevec): Change to be struct typeinfo *.  Change other uses as
3756	appropriate.
3757	(struct dbx_file): Define if DBX_USE_BINCL.
3758	(current_file): New static variable if DBX_USE_BINCL.
3759	(next_file_number): Likewise.
3760	(dbxout_init): If DBX_USE_BINCL, initialize new variables.
3761	(dbxout_start_new_source_file): New function.
3762	(dbxout_resume_previous_source_file): New function.
3763	(dbxout_type_index): New function.
3764	(dbxout_range_type): Use dbxout_type_index.
3765	(dbxout_type): Likewise.  If DBX_USE_BINCL, initialize new typevec
3766	fields.
3767	* c-lex.c (check_newline): If DBX_DEBUGGING_INFO and write_symbols
3768	== DBX_DEBUG, call dbxout_start_new_source_file and
3769	dbxout_resume_previous_source_file when appropriate.
3770	* sparc/sunos4.h (DBX_USE_BINCL): Define.
3771	* svr4.h (DBX_USE_BINCL): Define.
3772
3773Wed Dec 13 06:52:40 1995  Michael Meissner  <meissner@cygnus.com>
3774
3775	* rs6000/win-nt.h (ASM_OUTPUT_EXTERNAL): Do not emit .extern for
3776	builtin functions.
3777
3778Tue Dec 12 15:37:48 1995  David Edelsohn  <edelsohn@mhpcc.edu>
3779
3780	* rs6000.c: Replace many uses of fprintf with putc and fputs.
3781	(output_function_profiler): Use more efficient mnemonics, target
3782	dependent mnemonics, asm_fprintf, and reg_names array.
3783
3784	* rs6000.h: Replace many uses of fprintf with putc and fputs.
3785
3786	* rs6000.h (INT_TYPE_SIZE): Remove TARGET_64BIT dependency.
3787	(MAX_INT_TYPE_SIZE): Delete.
3788
3789Tue Dec 12 13:58:57 1995  Doug Evans  <dje@cygnus.com>
3790
3791	* t-h8300 (MULTILIB_{OPTIONS,DIRNAMES}): Add -mint32 support.
3792
3793Sun Dec 10 18:51:21 1995  Torbjorn Granlund  <tege@noisy.tmg.se>
3794
3795	* rs6000.md (matcher for neg:SI (geu:SI ..)): Get ppc syntax right.
3796
3797Sun Dec 10 08:47:16 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3798
3799	* combine.c (simplify_if_then_else): Convert "a == b ? b : a" to "a".
3800
3801	* expr.c (expand_expr, case CONSTRUCTOR): If TREE_READONLY,
3802	set RTX_UNCHANGING_P in TARGET.
3803	(expand_expr, case COMPONENT_REF): If result is BLKmode,
3804	use that to access object too.
3805
3806Sun Dec 10 01:06:57 1995  Jeffrey A. Law  <law@cygnus.com>
3807
3808	* pa.md (millicode delay slot description): Remove reference
3809	to defunct TARGET_MILLICODE_LONG_CALLS.
3810
3811Sat Dec  9 18:05:03 1995  Jim Wilson  <wilson@cygnus.com>
3812
3813	* expr.c (expand_expr, case INDIRECT_REF): Correct typo in May 8
3814	change.
3815
3816	* sh.h (ADDRESS_COST): Define.
3817	* sh.md (subsi3): Rename to subsi3_internal.  Add new define_expand
3818	to handle subtracting a register from a constant.
3819
3820Fri Dec  8 19:17:30 1995  Mike Meissner  <meissner@beauty.cygnus.com>
3821
3822	* rs6000.c (input_operand): Allow any integer constant, not
3823	just integers that fit in 1 instruction.
3824
3825Fri Dec  8 10:45:07 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
3826
3827	* arm/lib1funcs.asm (RET, RETCOND): Define according to whether we
3828	are compiling for 32 or 26 bit mode.
3829	(all return instructions): Use RET or RETCOND as appropriate.
3830
3831Wed Dec  6 06:58:23 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
3832
3833	* arm.c (arm_gen_constant): New function.
3834	(arm_split_constant): Split most of the functionality into
3835	arm_gen_constant.  Try to decide which way of handling the constant
3836	is optimal for the target processor.
3837
3838	* arm.c (arm_prgmode): New enum.
3839	(target_{cpu,fpe}_name, arm_fast_multiply, arm_arch4): New variables.
3840	(all_procs): New table describing processors and capabilities.
3841	(arm_override_options): New function.
3842	(arm_return_in_memory): New function.
3843	(arm_rtx_costs): Adjust the multiply costs to cope with processors
3844	with fast multiplication instructions.
3845	(output_move_double): Use the ldm/stm variants more efficiently.
3846	Delete cases that can no-longer occur.
3847	(output_return_instruction, output_func_epilogue): Use TARGET_APCS_32,
3848	not TARGET_6 for determining the type of return instruction to emit.
3849	(final_prescan_insn case CALL_INSN): Use TARGET_APCS_32, not TARGET_6
3850	to determine condition preservation.
3851	* arm.h (CPP_SPEC): Add defines for the cpu type, hard or soft floating
3852	point, and the APCS PC size.
3853	(TARGET_*): Restructure.
3854	(ARM_FLAG_*): Many new definitions for different target options, not
3855	all of which are supported yet.
3856	(TARGET_SWITCHES): Use the ARM_FLAG_* definitions instead of explicit
3857	numbers.
3858	(prog_mode_type): New enum.
3859	(floating_point_type): Split emulated floating point into FP_SOFT[23].
3860	(OVERRIDE_OPTIONS): Call arm_override_options.
3861	(ARM_CPU_NAME): Default to NULL if not defined by a subtarget.
3862	(BYTES_BIG_ENDIAN): Can now be set as a compilation option.
3863	(RETURN_IN_MEMORY, DEFAULT_PCC_STRUCT_RETURN): New definitions.
3864	(GO_IF_LEGITIMATE_OFFSET): Use different HImode offsets if compiling
3865	for an architecture 4 target.  The offsets for floating point
3866	constants are the same as for integers if compiling TARGET_SOFT_FLOAT.
3867	(GO_IF_LEGITIMATE_ADDRESS): Don't allow PRE_INC and POST_DEC if
3868	the size is more than 4 bytes.  Restrict the range offsets for DImode;
3869	likewise for DFmode when TARGET_SOFT_FLOAT.
3870	(LEGITIMIZE_ADDRESS): Use symbol_mentioned_p, not LEGITIMATE_CONSTANT_P
3871	to determine if a constant address might be better in a register.
3872	Handle DFmode addresses in the same way as DImode if TARGET_SOFT_FLOAT.
3873	(LOAD_EXTEND_OP): If arm_arch4, then HImode also zero-extends.
3874	* arm.md (attributes): Rearrange order, so that condition clobbering
3875	can be automatically determined for call insns.
3876	(attribute cpu): Add new cpu ARM7.
3877	(attribute type): Add new type MULT.
3878	(attribute prog_mode): New attribute.
3879	(attribute conds): Clobbering of call insns can now be determined
3880	using prog_mode attribute.
3881	(function units "write_buf", "write_blockage"): Model the write buffer
3882	as two function units, so that conflicts are avoided more often.
3883	(function unit "core"): New function unit, so that elapsed cycles can
3884	be more accurately determined.
3885	(all anonymous patterns): Add names.
3886	(mulsidi3, umulsidi3): New patterns available with fast multiply
3887	variants.
3888	(all call insns): The conds attribute is now determined automatically.
3889	(zero_extendhisi): Expand for architecture 4 variants if appropriate.
3890	(*zero_extendhisi_insn): New pattern.
3891	(extendqi{hi,si}, extendhisi): Expand for architecture 4 variants if
3892	appropriate.
3893	(*extendhisi_insn, *extendqihi, *extendqisi): New patterns.
3894	(storehi_single_op): New expand.
3895	(movhi): Handle architecture 4 expansion.
3896	(*movhi_insn_arch4): New pattern.
3897	(*movhi_*): Adjust applicability conditions to handle architecture 4.
3898	(reload_outdf): Handle pre/post inc/dec reloads.
3899	(tablejump): Delete.
3900	(matcher for optimized tablejump): delete.
3901	(casesi): New expand.
3902	(casesi_internal): New pattern.
3903	* semi.h (EXIT_BODY): Delete.
3904	(TARGET_DEFAULT): Set to ARM_FLAG_APCS_32.
3905	(CPP_SPEC): Define.
3906	arm/cross-float.h: New file, used when building a cross-compiler.
3907	* t-semi: Don't define inhibit_libc when building libgcc2.a.
3908	(CROSS_FLOAT_H): Define.
3909
3910	* arm.c	({symbol,label}_mentioned_p): New functions.
3911	(add_constant, dump_table, fixit, find_barrier, broken_move): New
3912	support functions for handling constant spilling.
3913	(arm_reorg): New constant spilling pass, for putting unhandlable
3914	constants into the rtl where we can load them efficiently.
3915	(output_load_symbol): Delete.
3916	* arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): No need to handle floating
3917	point constants any more, since arm_reorg will deal with them.
3918	(LEGITIMATE_CONSTANT_P): Is now anything that doesn't contain a
3919	LABEL.
3920	(GO_IF_LEGITIMATE_ADDRESS): Recognize address expressions generated
3921	by arm_reorg, but only after reload has completed.
3922	(MACHINE_DEPENDENT_REORG): Define.
3923	(ASM_OUTPUT_SPECIAL_POOL_ENTRY): There should be nothing left in
3924	the pool, even if it might look like it.
3925	* arm.md (*movsi_insn): Much simpified now that constants are handled
3926	properly.
3927	(movaddr): New expand.
3928	(movsf, movdf): No need to force constants into the pool any more.
3929	(*movdf_hard_insn): Much simplified.
3930	(consttable_4, consttable_8, consttable_end, align_4): New patterns
3931	for supporting embedded constants.
3932
3933	* configure: New target arm-semi-aof.
3934	* arm.c (strings_fpa): Use a form which is common to both GAS and
3935	ARMASM.
3936	(output_return_instruction, output_func_epilogue): Call
3937	assemble_external_libcall, before trying to generate an abort call
3938	in the assembler.
3939	(arm_asm_output_label): Call ARM_OUTPUT_LABEL, rather than assuming
3940	that labels are followed by a colon.
3941	(aof_text_section, aof_add_import, aof_delete_import,
3942	 aof_dump_imports): New functions to support ARMASM assembler
3943	generation.
3944	* arm/aout.h: New file.
3945	* arm/aof.h: New file.
3946	* arm.h (most assembler-specific defines): Move to arm/aout.h.
3947	(CONSTANT_ADDRESS_P): Can't directly access constant strings when
3948	generating assembler for ARMASM.
3949	(ENCODE_SECTION_INFO): Don't define if generating ARMASM assembler.
3950	(ASM_OUTPUT_INTERNAL_LABEL): Generalize, so that it can be used
3951	with all targeted assemblers.
3952	(ASM_OUTPUT_LABEL): Call arm_asm_output_label.
3953	* riscix.h: Include arm/aout.h, not arm/arm.h.
3954	* riscix1-1.h: Likewise.
3955	* semi.h: Likewise.
3956	* arm/semiaof.h: New file.
3957	* arm/t-semiaof: New file.
3958
3959Mon Dec  4 22:17:37 1995  Jason Merrill  <jason@yorick.cygnus.com>
3960
3961	* gcc.c (LIBGCC_SPEC): Do link with libgcc when -shared.
3962	* alpha.h (LIBGCC_SPEC): Remove.
3963	* linux.h (LIBGCC_SPEC): Remove.
3964	* svr4.h (LIBGCC_SPEC): Remove.
3965	* i386/t-crtpic (TARGET_LIBGCC2_CFLAGS): Use -fPIC.
3966	* t-pa (TARGET_LIBGCC2_CFLAGS): Use -fPIC.
3967	* sparc/t-sunos41 (TARGET_LIBGCC2_CFLAGS): Use -fPIC.
3968	* sparc/t-sol2 (TARGET_LIBGCC2_CFLAGS): Use -fPIC.
3969	* configure (i386-linux): Use i386/t-crtpic.
3970
3971	* i386/xm-sco.h: #define NO_SYS_SIGLIST.
3972
3973Mon Dec  4 21:30:37 1995  Jim Wilson  <wilson@mole.gnu.ai.mit.edu>
3974
3975	* sh.c (shiftcosts): For SH3, max cost of arithmetic right shift is 3.
3976	(expand_ashiftrt): For SH3, if shift cost is more than 3, then
3977	call gen_ashrsi3_d to use shad instruction.
3978
3979Mon Dec  4 18:29:08 1995  Jason Merrill  <jason@yorick.cygnus.com>
3980
3981	* c-decl.c (finish_struct): Don't mess with the type of bitfields.
3982
3983Mon Dec  4 15:28:02 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
3984
3985	* expr.c (store_constructor, record): If field is READONLY,
3986	set RTX_UNCHANGING_P in TO_RTX.
3987
3988Mon Dec  4 12:59:33 1995  Ian Lance Taylor  <ian@cygnus.com>
3989
3990	* sparc/t-sol2 (CRTSTUFF_T_CFLAGS): Use -fPIC unconditionally.
3991
3992Sun Dec  3 20:55:43 1995  Jeffrey A. Law  <law@cygnus.com>
3993
3994	* pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Handle arbitrary sections.
3995	(ASM_OUTPUT_SECTION_NAME): Define.
3996
3997Sat Dec  2 22:19:16 1995  Jeffrey A. Law  (law@cygnus.com)
3998
3999	* pa.h: Replace many uses of fprintf with fputs.
4000	* pa.c: Likewise.
4001	* pa-pro.h: Likewise.
4002
4003	* pa.h (SECONDARY_RELOAD_CLASS): Don't call secondary_reload_class
4004	to handle trivial cases.
4005	* pa.c (secondary_reload_class): Rework to be more efficient.
4006
4007Sat Dec  2 07:52:46 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
4008
4009	* rs6000.md (movsi): Don't split large constants in the
4010	movsi pattern, let the define_split split it later as needed.
4011
4012Fri Dec  1 16:00:42 1995  Brendan Kehoe  <brendan@cygnus.com>
4013
4014	* sparc.c (output_double_int): Handle CODE_LABEL's if v9.
4015
4016Fri Dec  1 09:13:23 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
4017
4018	* m68k.md (decrement_and_branch_until_zero): Split into a
4019	define_expand and an anonymous define_insn.
4020	* fx80.md (decrement_and_branch_until_zero): Ditto.
4021	* m88k.md (decrement_and_branch_until_zero): Ditto.
4022
4023Thu Nov 30 15:02:16 1995  Jim Wilson  <wilson@mole.gnu.ai.mit.edu>
4024
4025	* sh.c (noncall_uses_reg): New function.
4026	(machine_dependent_reorg): Add support for TARGET_RELAX.
4027	(final_prescan_insn): Likewise.
4028	* sh.h (ASM_SPEC, LINK_SPEC): Pass on -mrelax.
4029	(RELAX_BIT, TARGET_RELAX): New macros.
4030	(TARGET_SWITCHES): Add -mrelax.
4031
4032	* sh.c (insn-attr.h): Include.
4033	(pragma_nosave_low_regs): New global variable.
4034	(calc_live_regs): If SH3 and pragma_nosave_low_regs, then don't
4035	save registers r0 through r7 for interrupt functions.
4036	(function_epilogue): Clear pragma_nosave_low_regs.
4037	(handle_pragma): Set pragma_nosave_low_regs if see pragma for it.
4038
4039	* sh.h (FUNCTION_PROFILER): Use trap #33 instead of trap #5.
4040	Put additional .align before trapa instruction.
4041
4042Thu Nov 30 14:45:13 1995  Doug Evans  <dje@canuck.cygnus.com>
4043
4044	* sparc.md (seqdi_special_trunc, snedi_special_trunc,
4045	seqsi_special_extend, snesi_special_extend): Delete uses of SUBREG.
4046	Make compare modes match modes of operands.
4047	(snesi_zero_extend, snedi_zero_trunc_sp32, snedi_zero_trunc_sp64,
4048	seqsi_zero_extend, seqdi_zero_trunc_sp32, seqdi_zero_trunc_sp64):
4049	New patterns.
4050
4051Thu Nov 30 12:27:22 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
4052
4053	* genmultilib: Take a 4th argument that says are the exceptions to
4054	the multilibs, so illegal combinations can be eliminated.
4055
4056	* Makefile.in (multilib.h): Pass $(MULILIB_EXCEPTIONS) as the 4th
4057	argument to genmultilib.
4058
4059	* configure (powerpc*): Remove little endian and eabiaix versions
4060	of the t-* files.  Accept powerpc{,le}-*-sysv in addition to
4061	*-sysv4.
4062	(powerpc{,le}-*-eabisim): Use standard t-eabigas instead of
4063	t-eabisim.
4064	(powerpcle-*-{winnt3,pe}): Add support for Windows NT on PowerPC.
4065	* rs6000/t-{eabiaix,eabisim,eabilegas,ppclegas}: Delete.
4066
4067	* rs6000/{t-winnt,win-nt.h}: New files for PowerPC Windows NT.
4068
4069	* ginclude/ppc-asm.h: New file to provide common macros for the
4070	various PowerPC calling sequences.
4071	* rs6000/eabi.asm: Use ppc-asm.h.
4072
4073	* rs6000/aix3newas.h (CPP_SPEC): Add support for -mcpu=603e, 602,
4074	and 620.
4075	* rs6000/{aix41,powerpc,rs6000,eabi{aix,le}}.h (CPP_SPEC): Ditto.
4076	* rs6000/sysv4{,le}.h (CPP_SPEC): Ditto.
4077
4078	* rs6000/aix3newas.h (LINK_SPEC): If cross compiling, don't use
4079	absolute paths.
4080	* rs6000/{aix41,aixppc,rs6000}.h (LINK_SPEC): Ditto.
4081
4082	* rs6000/eabi.h (INVOKE__main): Don't define any more.
4083	(ASM_OUTPUT_INT): Move to sysv4.h.
4084	({STARTFILE,LIB}_SPEC): If -msim or -mmvme add the appropriate
4085	libraries.
4086
4087	* rs6000/{eabiaix,eabile,sysv4{,le}}.h (CPP_SPEC): Add support for
4088	-mcall-{aixdesc,nt} directives.
4089	(MULTILIB_DEFAULTS): Define.
4090
4091	* rs6000/eabi{,le}sim.h (TARGET_DEFAULT, CPP_SPEC): No longer
4092	define, simulator supports floating point.
4093	({STARTFILE,LIB}_SPEC): If -mvme, use mvme libraries, not
4094	simulator libraries.
4095
4096	* rs6000/{mach,netware}.h (TARGET_AIX): Define as 0.
4097
4098	* rs6000/netware.h (RS6000_OUTPUT_BASENAME): Don't redefine
4099	anymore.
4100	(STRIP_NAME_ENCODING): Undef.
4101
4102	* rs6000.c (rs6000_save_toc_p, rs6000_abi): New globals.
4103	(rs6000_override_options): Add 602, 603e, and 620 support.
4104	(count_register_operand): New function to return true if operand
4105	is the count register.
4106	(easy_fp_constant): All constants are easy if -msoft-float.
4107	(volatile_mem_operand): New function to return true if operand is
4108	in volatile memory.
4109	({fp_,}reg_or_mem_operand): Call volatile_mem_operand.
4110	(input_operand): Allow support for Windows NT loading SYMBOL_REFs
4111	and LABEL_REFs from the TOC.
4112	(function_arg_boundary): On Windows NT, any argument >= 8 bytes
4113	must be double word aligned.
4114	(function_arg{_advance,}): Call function_arg_boundary to determine
4115	if we need to align to an odd register for large arguments.
4116	Changes to accomidate new method of determining which ABI we're
4117	adhering to.
4118	(expand_block_move_mem): Copy RTX_UNCHANGING_P, and if
4119	MEM_UNALIGNED_P is defined, copy that too.
4120	(expand_block_move): Copy dest/src to registers using
4121	copy_addr_to_reg.
4122	(print_operand): Changes to accomidate Windows NT.
4123	(first_reg_to_save): Ditto.
4124	(rs6000_stack_info): Ditto.
4125	(debug_stack_info): Ditto.
4126	(output_{prolog,epilog,toc,function_profiler}): Ditto.
4127	(rs6000_stack_info): Save main's arguments around __eabi call.
4128	(svr4_traceback): Delete, current V.4 ABI no longer wants
4129	tracebacks in this format.
4130	(output_prolog): Call __eabi here, saving and restoring main's
4131	args if needed.  Save the toc pointer if needed.
4132	(get_issue_rate): New function to return # of instructions a
4133	machine can issue at once.
4134	(rs6000_sync_trampoline): Emit instructions to synchronize the
4135	PowerPC caches after a trampoline.
4136	(rs6000_trampoline_{template,size}): New functions to provide
4137	common trampoline support for all ABI's.
4138	(rs6000_initialize_trampoline): Ditto.
4139
4140	* rs6000.h (TARGET_{WINDOWS_NT,AIX,MACOS}): Define.
4141	(processor_type): Add 602.
4142	(PROCESSOR_COMMON): Assume current processor is a 604, not a 601.
4143	(SUBTARGET_OPTIONS): Define if not defined.
4144	(TARGET_OPTIONS): Include SUBTARGET_OPTIONS.
4145	(COUNT_REGISTER_REGNUM): Define as 66.
4146	(EXTRA_CONTRAINT): Add 'S' and 'T' for Windows NT.
4147	(rs6000_abi): Add ABI_AIX_NODESC, ABI_NT.
4148	(DEFAULT_ABI): Define if not defined.
4149	(rs6000_stack): Add fields for Windows NT support.
4150	(RS6000_SAVE_TOC): Add for Windows NT support.
4151	(FUNCTION_ARG_BOUNDARY): Call function_arg_boundary.
4152	(trampoline macros): Call trampoline functions in rs6000.c.
4153	(RETURN_ADDRESS_OFFSET): Add Windows NT support.
4154	(toc_section): Skip leading '*'.
4155	(PREDICATE_CODES): Add volatile_mem_operand,
4156	count_register_operand.
4157	(MACHINE_issue_rate): Define.
4158	(function decls): Add new function decls from rs6000.c.
4159
4160	* rs6000.md (cpu attribute): Add 602.
4161	(function units): Update to match reality better.
4162	(calls through pointer): Rework to support Windows NT.
4163	(movsi): Add Windows NT support.
4164	(movstrsi): Remove match_operand predicates, since
4165	expand_block_move does the checking.
4166	(sync_isync): Delete.
4167	(icbi, dcbst, sync, isync): New insns to generate named instruction
4168	for making trampolines on eabi/V.4 properly flush the caches.
4169	(decrement_and_branch_on_count): Rename from
4170	decrement_and_branchsi.  Add update of count in insn pattern.
4171
4172	* rs6000/sysv4.h (TARGET_SWITCHES): Drop -mtraceback.  Keep
4173	-mno-traceback but don't do anything with it.  Add
4174	-mcalls-{nt,aixdesc}.  Add -m{,no-}relocatable-lib.  Add -msim,
4175	-mmvme, and -memb.
4176	(TARGET_TOC): Update for use with -mcalls-{nt,aixdesc}.
4177	(SUBTARGET_OVERRIDE_OPTIONS): Update for new switches.
4178	(RS6000_OUTPUT_BASENAME): Delete.
4179	(toc_section): Add support for -mcall-{nt,aixdesc}.
4180	(ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Ditto.
4181	(ASM_DECLARE_FUNCTION_NAME): Use STRIP_NAME_ENCODING instead of
4182	RS6000_OUTPUT_BASENAME.  For -mcall-{nt,aixdesc} emit the proper
4183	function descriptor.
4184	(ASM_SPEC): Pass appropriate -mxxx switches to the assembler based
4185	on the -mcpu=xxx options.
4186	(ASM_OUTPUT_INT): Move here from eabi.h.
4187	(ENCODE_SECTION_INFO): If -mcall-{nt,aixdesc} add appropriate magic
4188	so function name has two or one leading periods.
4189	(ASM_OUTPUT_SOURCE_LINE): Delete, use version in svr4.h.
4190	(trampoline macros): Call trampoline functions in rs6000.c.
4191
4192	* t-{eabi,ppc}{,gas} (EXTRA_HEADERS): Add ginclude/ppc-asm.h.
4193	(LIB2FUNCS_EXTRA): Depend on eabi.S, not eabi.s.
4194	(eabi.S): Rename from eabi.asm.
4195
4196	* t-{eabi,ppc}gas (MULTILIB_*): Add -mcall-aixdesc libraries, but
4197	don't build either little endian or -mrelocatable versions of
4198	those libraries.
4199
4200Tue Nov 28 00:10:27 1995  David Edelsohn  <edelsohn@mhpcc.edu>
4201
4202	* rs6000.md (divsi3): Reorder so common mode does not negate
4203	power-of-2 shift optimization.
4204
4205Wed Nov 29 22:06:11 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
4206
4207 	* configure (sparc-*-solaris2*): Add gcrt1.o to extra_parts.
4208 	* sparc/sol2.h (STARTFILE_SPEC): Link with gcrt1.o with -pg.
4209 	* sparc/sol2-g1.asm: New file, startup code for profiled
4210  	executables.
4211 	* sparc/t-sol2: Add make rule for gcrt1.o.
4212 	* sparc/gmon-sol2.c (_mcleanup): Add support for PROFDIR
4213 	environment variable.
4214
4215Wed Nov 29 21:41:13 1995  Ian Lance Taylor  <ian@cygnus.com>
4216
4217	* mips/abi64.h (CPP_SPEC): If -msingle-float and not
4218	-msoft-float, pass -D__mips_single_float.  Likewise for -m4650 and
4219	not -msoft-float.
4220	* mips/dec-bsd.h (CPP_SPEC): Likewise.
4221	* mips/dec-osf1.h (CPP_SPEC): Likewise.
4222	* mips/elf64.h (CPP_SPEC): Likewise.
4223	* mips/iris3.h (CPP_SPEC): Likewise.
4224	* mips/iris5.h (CPP_SPEC): Likewise.
4225	* mips/mips.h (CPP_SPEC): Likewise.
4226	* mips/netbsd.h (CPP_SPEC): Likewise.
4227	* mips/osfrose.h (CPP_SPEC): Likewise.
4228	* mips/t-ecoff (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4229	MULTILIB_MATCHES): Add -msingle-float support.
4230
4231Wed Nov 29 17:57:48 1995  Doug Evans  <dje@cygnus.com>
4232
4233	* toplev.c (main): Invoke OPTIMIZATION_OPTIONS after target_flags
4234	has been initialized so sets of target_flags aren't clobbered.
4235
4236	* cccp.c (do_include): Recognize c:\foo as absolute path name in DOS.
4237
4238	* svr4.h (MD_EXEC_PREFIX): Don't use if cross compiling.
4239	(MD_STARTFILE_PREFIX): Likewise.
4240	(LINK_SPEC): Don't use absolute path names if cross compiling.
4241	* svr3.h (LIB_SPEC): Likewise.
4242
4243	* gcc.c (do_spec_1): Fix typos in version calculation.
4244
4245Wed Nov 29 14:06:13 1995  Jim Wilson  <wilson@cygnus.com>
4246
4247	* sh.md (ashrsi3_d): Use %0 not %1 in output pattern.
4248
4249	* svr4.h (MAX_OFILE_ALIGNMENT): Define.
4250
4251	* mips/iris5.h (WORD_SWITCH_TAKES_ARG): Define.
4252	(LINK_SPEC): Add rpath.
4253	* mips/iris6.h (LINK_SPEC): Likewise.
4254
4255	* stupid.c (stupid_mark_regs): For hard registers, use regno+j
4256	instead of just regno in MARK_LIVE_AFTER and SET_HARD_REG_BIT calls.
4257
4258	* c-common.c (combine_strings): Add support for WCHAR_TYPE as short.
4259
4260Wed Nov 29 13:59:58 1995  J"orn Rennecke (amylaar@meolyon.hanse.de)
4261
4262	* c-decl.c (duplicate_decls): Add new parameter different_binding_level.
4263	Lots of changes to use new new parameter.
4264	(pushdecl): Delete variable declared_global.  New variable
4265	different_binding_level and code to set it.  Move extern/static
4266	warning before duplicate_decls call.  Don't let global typedefs
4267	conflict with nested extern declarations.  Move oldglobal test
4268	inside code for setting IDENTIFIER_LIMBO_VALUE.
4269	(lookup_name_current_level_global): Delete.
4270	* c-tree.h (merge_attributes): New declaration.
4271	* c-typeck.c (merge_attributes): New function.  Move code from
4272	common_type to here.
4273	(common_type): Call merge_attributes instead of having inline code.
4274	* integrate.c (integrate_decl_tree): Delete variable newd.
4275	Always set DECL_ABSTRACT_ORIGIN before calling pushdecl.
4276
4277Tue Nov 28 21:57:04 1995  Jim Wilson  <wilson@cygnus.com>
4278
4279	* mips.c (mips_function_value): Add check for i > 0 when deciding
4280	if structure should be return in FP registers.
4281
4282Tue Nov 28 12:47:52 1995  Jeffrey A. Law  <law@cygnus.com>
4283
4284	* pa.md (define split for (plus (reg) (large_constant)): Try
4285	another way to handle this with only 2 insns.  From Tege.
4286
4287Mon Nov 27 02:05:18 1995  Jeffrey A. Law  <law@cygnus.com>
4288
4289	* lib1funcs.asm, pa-pro.h, t-pro.h, xm-papro.h: New PA
4290	target files.
4291	* configure (hppa*-*-pro*): Use new target files.
4292
4293	* toplev.c (rest_of_compilation): Always call jump_optimize
4294	at least once.
4295
4296	* pa.h (ASM_OUTPUT_EXTERNAL): Don't let assemble_name clobber
4297	the value of TREE_SYMBOL_REFERENCED.
4298
4299	* pa-ghpux9.h (LINK_SPEC): Pass "-z" to the linker to enable
4300	trap on null pointer dereference for programs built on hpux9.
4301	* pa-hpux9.h, pa1-ghpux9.h, pa1-hpux9.h: Likewise.
4302
4303	* pa.c (output_function_prologue): No longer need to keep
4304	track of the total number code bytes when TARGET_GAS &&
4305	not TARGET_PORTABLE_RUNTIME.
4306	* pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use .NSUBSPA when
4307	not TARGET_PORTABLE_RUNTIME.
4308	(ASM_OUTPUT_FUNCTION_PREFIX): Define.  Prefix functions with
4309	.NSUBSPA when TARGET_GAS and not TARGET_PORTABLE_RUNTIME.
4310
4311	* pa.md (symbolic high patterns): Use 'H' to print the symbolic
4312	address so that the constant part gets rounded.
4313	* pa.c (print_operand): Handle 'H' operand for high part of a
4314	symbolic address with a rounded constant.
4315	(output_global_address): New argument "rounded_constant".  All
4316	callers changed appropriately.
4317
4318	* x-pa-hpux (FIXPROTO_DEFINES): Add -D_HPUX_SOURCE.
4319
4320	* pa.h (CPP_SPEC): Only pass -D_HPUX_SOURCE and -D_HIUX_SOURCE if
4321	-ansi is not present.
4322	(CPP_PREDEFINES): Remove -D_HPUX_SOURCE and/or -D_HIUX_SOURCE.
4323	* pa-ghiux.h (CPP_PREDEFINES): Likewise.
4324	* pa-gux7.h (CPP_PREDEFINES): Likewise.
4325	* pa-hiux.h (CPP_PREDEFINES): Likewise.
4326	* pa-hpux.h (CPP_PREDEFINES): Likewise.
4327	* pa-hpux7.h (CPP_PREDEFINES): Likewise.
4328	* pa1-ghiux.h (CPP_PREDEFINES): Likewise.
4329	* pa1-hiux.h (CPP_PREDEFINES): Likewise.
4330
4331	* pa-hpux.h (LINK_SPEC): If -mlinker-opt, then pass -O to the
4332	linker.
4333	* pa-ghpux.h, pa-hpux9.h, pa-ghpux9.h: Likewise.
4334	* pa1-ghpux9.h, pa1-hpux9.h: Likewise.
4335	* pa.h (LINK_SPEC): Likewise.
4336	(TARGET_SWITCHES): Add -mlinker-opt.
4337
4338	* pa.md (all peepholes): Disable if TARGET_SOFT_FLOAT.
4339
4340	* pa.c (pa_reorg): If TARGET_GAS, then emit insns to mark
4341	the beginning and end of the branch table.
4342	* pa.md (begin_brtab): New insn.  Just a marker so GCC knows
4343	where to put the .begin_brtab pseudo-op.
4344	(end_brtab): Similarly.
4345
4346	* pa.h (EXTRA_SECTIONS): Add in_ctors and in_dtors if
4347	CTORS_SECTION_FUNCTION is defined.  Else define dummy
4348	versions of CTORS_SECTION_FUNCTION and DTORS_SECTION_FUNCTION.
4349	(EXTRA_SECTION_FUNCTIONS): Add CTORS_SECTION_FUNCTION and
4350	DTORS_SECTION_FUNCTION.
4351
4352	* pa.md: Add peepholes to improve spill code generated
4353	by reload when we run out of FP registers.
4354
4355	* xm-pa.h: Remove spurious double-quote.
4356
4357	* pa.md (call expanders): For indirect calls, load %r22 with the
4358	function's address.
4359	(indirect call patterns): No need to copy the call address into
4360	%r22 anymore.
4361
4362	* pa.c (output_cbranch): Fix buglet in length handling of
4363	backwards branches with unfilled delay slots.
4364	(output_bb, output_bvb, output_dbra, output_movb): Likewise.
4365
4366	* pa.md: Fix off-by-one error in length computations for all
4367	conditional branch patterns.
4368
4369	* pa.h (output_bvb): Declare.
4370	* pa.c (output_bvb): New function to output branch on variable
4371	bit insns.
4372	* pa.md (branch-on-variable-bit): New patterns.
4373
4374	* pa.h (TARGET_MILLICODE_LONG_CALLS): Delete swtich and all
4375	references.
4376	(output_millicode_call): Declare new function
4377	* pa.md (millicode calls): Update length computation to handle
4378	variable length millicode calls.
4379	(call pattners): Likewise.
4380	(indirect call patterns): Update length compuations and output
4381	templates to handle variable length millicode calls.
4382	(plabel_dereference): Likewise.
4383	* pa.c (override_options): Give warnings when incompatable
4384	options are used.
4385	(output_mul_insn): Call output_millicode_call instead of
4386	output_call, eliminate last argument to output_millicode_call.
4387	(output_div_insn): Likewise.
4388	(output_mod_insn): Likewise.
4389	(output_call): Rewrite long call code to handle variable length
4390	millicode calls.  Eliminate support for calling mul, div and mod
4391	millicode routines.
4392	(output_millicode_call): New function for calling mul, div and mod
4393	millicode routines.
4394
4395	* pa.md (abssi2): New pattern.
4396
4397	* pa.c (secondary_reload_class): Loads from reg+d addresses into
4398	FP registers don't need secondary reloads.
4399	* pa.h: Delete soem #if 0 code.  Update some comments.
4400	(EXTRA_CONSTRAINT, case 'Q'): Only accept valid memory addresses.
4401
4402	* pa.h (RTX_COSTS): Tege's rewrite.
4403
4404	* pa.c (hppa_legitimize_address): Generate unscaled indexed
4405	addressing for (plus (symbol_ref) (reg)).
4406	(emit_move_sequence): Set REGNO_POINTER_FLAG appropriately
4407	to encourage unscaled indexing modes.
4408	(basereg_operand): New function for unscaled index address support.
4409	* pa.md (unscaled indexing patterns): New patterns for unscaled
4410	index address support.
4411
4412	* pa.h (MOVE_RATIO): Define.
4413	* pa.md (movstrsi expander): Refine tests for when to use the
4414	library routine instead of an inlined loop copy.  Provide an
4415	additional scratch register for use in the inlined loop copy.
4416	(movstrsi_internal): Name the pattern for ease of use.  Add
4417	additional scratch register.
4418	* pa.c (output_block_move): Greatly simplify.  Use 2X unrolled
4419	copy loops to improve performance.
4420	(compute_movstrsi_length): Corresponding changes.
4421
4422	* pa.c (print_operand): Handle 'y' case for reversed FP
4423	comparisons.  Delete some #if 0 code.  Fix various comment typos.
4424	* pa.md (fcmp patterns): Try and reverse the comparison to avoid
4425	useless add,tr insns.
4426
4427Sun Nov 26 14:47:42 1995  Richard Kenner  <kenner@mole.gnu.ai.mit.edu>
4428
4429	* Version 2.7.2 released.
4430
4431	* function.c (fixup_var_refs_1): Make pseudo for DEST
4432	in PROMOTED_MODE unless in a SUBREG.
4433
4434	* cse.c (insert): Don't put a REG into qty_const.
4435
4436	* msdos/top.sed: Change version to 2.7.2.
4437	* winnt/config-nt.sed: Likewise.
4438
4439Sun Nov 26 14:41:49 1995  Douglas Rupp  (drupp@cs.washington.edu)
4440
4441	* Makefile.in (stamp-objlist): Change .o to $objext.
4442
4443	* alpha/win-nt.h (CPP_PREDEFINES): Set __unaligned and __stdcall
4444	to null.
4445	(ASM_SPEC): Add a translation for -g to -Zi.
4446	* winnt/ld.c (main): Don't pass -g to link.
4447	* winnt/oldnames.c: Reformat and add some new functions for gnat1.
4448	* winnt/win-nt.h (LINK_SPEC): Pass -g to ld.exe.
4449	Increase default stack size.
4450	* configure ({alpha-dec,i386-ibm}-winnt3.5): Add oldnames.o
4451	to extra_objs.
4452	* libgcc2.c (trampoline): Add getpagesize and mprotect for WINNT.
4453
4454Sun Nov 26 14:25:26 1995  Uwe Seimet  (seimet@chemie.uni-kl.de)
4455
4456	* atari.h (FUNCTION_VALUE): Deleted; incorrect.
4457
4458Sun Nov 26 14:23:03 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
4459
4460	* fixincludes (curses.h): Allow space or tab after bool keyword,
4461	instead of tab or tab.
4462
4463Sun Nov 26 14:14:11 1995  Oliver Kellogg  (oliver.kellogg@space.otn.dasa.de)
4464
4465	* 1750a.md (pattern for HImode PSHM): Corrected.
4466	(trunchiqi2, zero_extendqihi2, extendhftqf2): Corrected.
4467	(pattern for movhi of CONST_INT to REG): Corrected.
4468	(divmodqi pattern for DISN): Corrected.
4469	(all shift patterns): Corrected.
4470
4471	* 1750a.h (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Corrected.
4472 	(ASM_OUTPUT_[datatype]): Corrected datalbl[].size computation
4473	for output of arrays.
4474
4475Sun Nov 26 14:08:57 1995  Dave Love  <d.love@dl.ac.uk>
4476
4477	* mips/iris5.h (NO_IMPLICIT_EXTERN_C): Define this again so
4478	that unistd.h doesn't get badly `fixed' for C++.  libg++ will now
4479	build with this definition.
4480
4481Sun Nov 26 14:02:43 1995  Robert E. Brown  (brown@grettir.bibliotech.com)
4482
4483	* configure: Better workaround for Nextstep bug.
4484
4485Sun Nov 26 13:55:07 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
4486
4487	* rs6000.md (load_multiple matcher): Fix typo in opcode.
4488
4489Sun Nov 26 13:51:08 1995  Lee Iverson  <leei@Canada.AI.SRI.COM>
4490
4491	* final.c (final_start_function): Move call to sdbout_begin_function
4492	back to final_scan_insn on MIPS systems so parameter descriptions are
4493	recognized.
4494
4495Sun Nov 26 13:43:06 1995  DJ Delorie  (dj@delorie.com)
4496
4497	* msdos/top.sed: Don't insert "go32".
4498
4499Sun Nov 26 12:08:23 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4500
4501	* combine.c (nonzero_bits, case REG):  Put POINTERS_EXTEND_UNSIGNED
4502	code before stack pointer code.  Return nonzero at end of stack
4503	pointer code.
4504
4505	* sparc.h (PRINT_OPERAND_ADDRESS): Handle CONST inside PLUS.
4506
4507	* Makefile.in (cppalloc.o): Add a rule to build it.
4508
4509	* alpha.c (alpha_emit_set_const): Don't output SImode sequences
4510	that rely on invisible overflow.  Sign extend new when SImode.
4511	Don't recur if new == c.  Don't allow shift outside mode.  Make
4512	logical right shift be unsigned.
4513
4514Sun Nov 26 11:37:50 1995  Arne H. Juul  (arnej@idt.unit.no)
4515
4516	* Makefile.in (compare*): Add "|| true" to avoid spurious
4517	failure messages from some versions of make.
4518
4519Sun Nov 26 11:20:09 1995  Dmitry K. Butskoy  (buc@stu.spb.su)
4520
4521	* expr.c (truthvalue_conversion): Add declaration.
4522
4523Sun Nov 12 18:09:35 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
4524
4525	* Version 2.7.1 released.
4526
4527	* function.c (put_reg_into_stack): New arg volatile_p.
4528	(put_var_into_stack): Call with new arg.
4529
4530Sat Nov 11 08:25:34 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4531
4532	* reload.c (output.h): Include it.
4533	* Makefile.in (reload.o): Add dependence on output.h.
4534
4535Thu Nov  9 11:24:20 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4536
4537	* mips.h (HARD_REGNO_NREGS): If FP_REG_P, always use UNITS_PER_FPREG
4538	to calculate number of words needed.
4539
4540Thu Nov  9 11:04:50 1995  Oliver Kellogg  (Oliver.Kellogg@space.otn.dasa.de)
4541
4542	* 1750a.md (cmphf): Addd Base Reg with Offset address mode (LB,STB,..)
4543	(movqi,movhi,movhf,addqi3,addhf3,subqi3,subhf3,mulqihi3): Likewise.
4544	(mulhf3,divhf3,andqi3,iorqi3): Likewise.
4545	(define_peephole): Remove the Base mode peepholes. Replace the
4546	special addqi define_insn for "LIM Ra,sym,Rb" by a define_peephole.
4547	(ashlqi3): Took out futile 0th alternative.
4548	(lshrqi3, lshrhi3, ashrqi3, ahsrhi3): Correct case of non-constant
4549	shift count.
4550
4551	* 1750a.h (REG_ALLOC_ORDER): Define.
4552	(REGNO_OK_FOR_BASE_P): Include stack pointer in test against
4553	reg_renumber[REGNO].
4554	(ASM_OUTPUT_DESTRUCTOR): Remove bogus assembler comment.
4555
4556Thu Nov  9 11:01:33 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
4557
4558	* expr.c (expand_expr, case ARRAY_REF): Properly convert types
4559	of index, size, and multiplication.
4560
4561Wed Nov  8 09:00:22 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
4562
4563	* arm.md (mov*cc_{,soft_}insn): Use match_operator to test the
4564	comparison and check that the condition code register is used.
4565
4566Wed Nov  8 08:49:35 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
4567
4568	* rs6000/sysv4.h (ASM_OUTPUT_{CONSTRUCTOR,DESTRUCTOR}): Undef before
4569	including svr4.h.
4570
4571Tue Nov  7 10:58:12 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
4572
4573	* m68k.md (subxf3): Properly name pattern.
4574
4575Tue Nov  7 10:53:09 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
4576
4577	* libgcc2.c (__{C,D}TOR_LIST): For AIX, initialize these arrays to
4578	0,0, just like NeXT to avoid a warning message from the AIX 4.1
4579	linker.
4580
4581Tue Nov  7 09:58:34 1995  John F. Carr <jfc@mit.edu>
4582
4583	* cppexp.c (cpp_lex): Correctly parse character constants.
4584
4585Tue Nov  7 09:52:15 1995  Jason Merrill  <jason@yorick.cygnus.com>
4586
4587	* rs6000.h (ASM_OUTPUT_{DES,CONS}TRUCTOR): Define.
4588
4589Mon Nov  6 10:27:15 1995  Doug Evans  <dje@cygnus.com>
4590
4591	* combine.c (force_to_mode): Fix typo.
4592
4593Sun Nov  5 18:37:02 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
4594
4595	* m68k.md (cmpxf): Don't call force_const_mem, it looses for PIC;
4596	get predicates right instead.  Get rid of separate DEFINE_EXPAND.
4597	(addxf3, subxf3, mulxf3, divxf3): Likewise.
4598	(All XFmode patterns): Delete `F' and `G' constraints.
4599	(absxf2, negxf2): Delete spurious condition on TARGET_FPA.
4600
4601Sun Nov  5 11:05:44 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
4602
4603	* fixincludes (malloc.h):  Fix return type of {m,re}alloc.
4604
4605Sun Nov  5 11:02:26 1995  J"orn Rennecke (amylaar@meolyon.hanse.de)
4606
4607        * cse.c (invalidate): For a pseudo register, do a loop to
4608	invalidate all table entries, irrespective of mode.
4609
4610Sun Nov  5 10:57:43 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4611
4612	* combine.c (force_to_mode): Put in last change properly.
4613
4614Sun Nov  5 10:53:49 1995  Jeffrey A Law  (law@cygnus.com)
4615
4616	* pa.h (CONDITIONAL_REGISTER_USAGE): Make sure FP regs
4617	get disabled regardless of PA1.0 vs PA1.1 code generation
4618	when TARGET_SOFT_FLOAT or TARGET_DISABLE_FPREGS is on.
4619
4620Sun Nov  5 10:49:43 1995  Doug Evans  <dje@lisa.cygnus.com>
4621
4622	* i960.c (emit_move_sequence): Add a scratch register to
4623	multi-reg stores.
4624	(i960_output_move_{double,quad}): New functions.
4625	(i960_print_operand): Handle new operand types E, F.
4626	* i960.md (movdi matchers): Rewrite.
4627	(store_unaligned_di_reg): New pattern.
4628	(movti matchers): Rewrite.
4629	(store_unaligned_ti_reg): New pattern.
4630
4631Sun Nov  5 10:45:24 1995  Ian Lance Taylor  (ian@cygnus.com)
4632
4633	* mips.h (MULTILIB_DEFAULTS): Define.
4634	* mips/elf64.h, mips/iris6.h (MULTILIB_DEFAULTS): Define.
4635
4636Sun Nov  5 10:41:48 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4637
4638	* reload.c (push_reload): Delete abort for RELOAD_OTHER case added
4639	in last change.
4640	* reload1.c (emit_reload_insns): For RELOAD_OTHER output reloads,
4641	output the reload insns in descending order of reloads.
4642
4643	* sh.md (mulsidi3-1, mulsidi3, umulsidi3-1, umulsidi3): Enable.
4644	(smulsi3_highpart-1, smulsi3_highpart): New patterns.
4645	(umulsi3_highpart-1, umulsi3_highpart): Likewise.
4646	(movdi-1): Add r/x constraint.
4647	* t-sh (MULTILIB_OPTIONS): Add m2.
4648	(MULTILIB_DIRNAMES): Add m2.
4649	(MULTILIB_MATCHES): Define.
4650
4651	* sparc.h (RTX_COSTS, case MULT): Check for TARGET_SPARCLITE.
4652
4653	* abi64.h, elf64.h (CPP_SPEC): Add -EB and -EL support.
4654
4655Sat Nov  4 10:36:26 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4656
4657	* sh.md (casesi_worker): Change constraint from = to +.
4658
4659	* svr4.h (ASM_IDENTIFY_GCC_AFTER_SOURCE): Delete.
4660	(ASM_IDENTIFY_GCC): Output stab here.
4661
4662Sat Nov  4 10:32:37 1995  John Carr  <jfc@mit.edu>
4663
4664	* cpplib.c (finclude): Set current input pointer when input
4665	is not a regular file.
4666
4667	* cppmain.c: Define progname, required by cpplib.
4668
4669Sun Oct 29 07:48:36 1995  Michael Meissner  <meissner@cygnus.com>
4670
4671	* xcoffout.h (DBX_FINISH_SYMBOL): Deal with names created via
4672	the __asm__ construct that start with a leading '*'.
4673	* xcoffout.c (xcoff_declare_function): Likewise.
4674
4675Sun Oct 29 07:45:41 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4676
4677	* stupid.c (stupid_mark_refs): Handle SUBREG of pseudo-reg in a
4678	SET_DEST same as we handle a pseudo-reg in a SET_DEST.
4679
4680Sun Oct 29 07:43:15 1995  Pat Rankin  <rankin@eql.caltech.edu>
4681
4682	* libgcc2.c (L_eh: __unwind_function): Implement for VAX.
4683	* vax.h (RETURN_ADDRESS_OFFSET, RETURN_ADDR_RTX): Define.
4684
4685Sun Oct 29 12:39:08 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>a
4686
4687	* i386/sol2.h (CPP_PREDEFINES): Add -D__SVR4.
4688
4689Sun Oct 29 07:14:36 1995  J"orn Rennecke (amylaar@meolyon.hanse.de)
4690
4691	* reload.c (find_equiv_reg): Check for nonsaving setjmp.
4692
4693Fri Oct 27 15:15:56 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4694
4695	* Makefile.in (out_object_file): Depend on TREE_H.
4696
4697Fri Oct 27 06:42:36 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
4698
4699	* alpha.c (call_operand): Only allow reg 27 on NT too.
4700	* alpha.md (call_value_nt, call_nt): Force non-SYMBOL_REF
4701	into reg 27, just like for OSF.
4702
4703	* rs6000.c (struct asm_option): Changed from struct option.
4704	(expand_block_move_mem): Remove erroneously-added line.
4705
4706	* expr.c (clear_storage): SIZE is now rtx, not int.
4707	(store_constructor): Call clear_storage with rtx.
4708	(get_inner_reference): Convert index to precision of
4709	sizetype, not POINTER_SIZE.
4710	(expand_expr, case ARRAY_REF): Likewise.
4711	* expr.h (clear_storage): Second arg is rtx, not int.
4712
4713Fri Oct 27 05:45:58 1995  J"orn Rennecke (amylaar@meolyon.hanse.de)
4714
4715	* combine.c (force_to_mode, case ASHIFTRT): Properly handle
4716	mask wider than HOST_WIDE_INT.
4717
4718        * c-decl.c (pushdecl): Don't test TREE_PUBLIC when deciding whether
4719	to register a duplicate decl in the current block.
4720
4721Thu Oct 26 21:55:39 1995  Jason Merrill  <jason@sethra.cygnus.com>
4722
4723	* calls.c (expand_call): Don't trust the callee to copy a
4724 	TREE_ADDRESSABLE type.
4725	* function.c (assign_parms): Likewise.
4726
4727Thu Oct 26 19:25:05 1995  Mike Stump  <mrs@cygnus.com>
4728
4729	* libgcc2.c (__unwind_function): Provide a default definition for
4730	implementations that don't yet have a function unwinder.
4731
4732Thu Oct 26 18:08:19 1995  Paul Eggert  <eggert@twinsun.com>
4733
4734	* cccp.c (handle_directive): Don't treat newline as white
4735	space when coalescing white space around a backslash-newline.
4736
4737Thu Oct 26 17:57:34 1995  Ian Lance Taylor  <ian@cygnus.com>
4738
4739	* mips-tdump.c (enum st): Define st_Struct, st_Union, and st_Enum.
4740	(st_to_string): Handle them.
4741	(type_to_string): Add fdp argument; pass it to emit_aggregate.
4742	(print_symbol): Add fdp argument; pass it to type_to_string.
4743	Handle st_Struct, st_Union, and st_Enum.
4744	(emit_aggregate): Add fdp argument.  Handle opaque types.  Map
4745	through RFD entries.
4746	(print_file_desc): Pass FDR to print_symbol.
4747	(main): Pass null FDR to type_to_string.
4748
4749Thu Oct 26 08:07:10 1995  Michael Meissner  <meissner@cygnus.com>
4750
4751	* configure (powerpc-ibm-aix[456789]*): Use rs6000/t-newas,
4752	not rs6000/t-rs6000.
4753	(rs6000-ibm-aix3.2.[456789]*): Likewise.
4754	(rs6000-ibm-aix[456789]*): Likewise.
4755
4756	* rs6000/t-newas: Copy from t-rs6000.
4757	* t-rs6000: Don't build -mcpu=common multilib variants of libgcc.a.
4758
4759	* rs6000.md (load_multiple insn): If address register is among regs,
4760	don't load it with a lwsi instruction, which is undefined on PowerPC.
4761
4762Thu Oct 26 08:01:32 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4763
4764	* dwarfout.c (output_compile_unit_die): Handle language_string
4765	of "GNU F77".
4766
4767	* reload.c (find_reloads_address): When check for out of range constant
4768	plus register, accept any hard register instead of just fp, ap, sp.
4769
4770	* combine.c (distribute_notes): For Oct 19 change, add additional
4771	check to verify that place has a valid INSN_CUID.
4772
4773	* sparc/t-vxsparc (LIBGCC1_TEST): Define.
4774
4775	* sh.md (negdi2): Use TARGET_LITTLE_ENDIAN.
4776
4777	* combine.c (force_to_mode, case ASHIFTRT): Verify mode bitsize is
4778	within HOST_BITS_PER_WIDE_INT before shifting by it.
4779
4780	* final.c (final_scan_insn): When recur for instruction in delay slot,
4781	add loop around recursive call in case the instruction gets split.
4782
4783Thu Oct 26 07:28:45 1995  J"orn Rennecke (amylaar@meolyon.hanse.de)
4784
4785	* genrecog.c (write_tree_1): Avoid emitting '-2147483648'.
4786
4787	* jump.c (duplicate_loop_exit_test): Return 0 if found
4788	a NOTE_INSN_LOOP_CONT.
4789
4790Tue Oct 24 15:30:14 1995  Jeffrey A Law  <law@cygnus.com>
4791
4792	* calls.c (expand_call): Make sure valreg is at least
4793	a full word.
4794
4795Sun Oct 22 19:35:41 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4796
4797	* sh.h (INIT_SECTION_ASM_OP): Delete.
4798	(HAVE_ATEXIT): Define.
4799
4800Sun Oct 22 07:46:04 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
4801
4802	* libgcc2.c (__fixuns[xds]fsi): #undef MIN and MAX before #include
4803	of limits.h.
4804
4805	* pa.c (pa_adjust_cost): Use pa_cpu, not pa_cpu_attr.
4806
4807Sun Oct 22 07:38:58 1995  J"orn Rennecke (amylaar@meolyon.hanse.de)
4808
4809        * alpha.h (CONST_OK_FOR_LETTER_P): Use 'U' for unsigned constants.
4810        * alpha.c (alpha_emit_set_const): Likewise.
4811        * mips.c (gen_int_relational): Likewise.
4812
4813Sun Oct 22 07:14:35 1995  Douglas Rupp  (drupp@cs.washington.edu)
4814
4815	* i386.c (i386_return_pops_args): Don't need a FUNDECL to
4816	check for type attributes in FUNTYPE.
4817
4818Sat Oct 21 18:17:42 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4819
4820	* sh.md (define_delay): Don't accept any instruction for an annulled
4821	slot, only accept those for which in_delay_slot is yes.
4822	* sh.c (find_barrier): When hi_const returns true, increment count_si
4823	by two if found_si is true.
4824	Always use get_attr_length to compute length of instructions.
4825	If count_hi or count_si out of range at end, need two PREV_INSN calls
4826	not one.
4827	When create new label, set LABEL_NUSES to 1.
4828	(reg_unused_after): Ifdef out code for handling labels.
4829	(prepare_scc_operands): New local variable mode.  Set it from
4830	sh_compare_op0 or sh_compare_op1.  Use it instead of SImode in
4831	force_reg calls.
4832
4833	* optabs.c (expand_float): Emit missing barrier after unconditional
4834	jump.
4835
4836Sat Oct 21 14:16:46 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
4837
4838	* alpha.md (cmpdf): Make conditional on TARGET_FP.
4839
4840Fri Oct 20 19:11:12 1995  J"orn Rennecke (amylaar@meolyon.hanse.de)
4841
4842	* combine.c (distribute_notes): Delete instructions without
4843	side effect that set a subreg of an unused register.
4844
4845	* m68k.h (PREFERRED_RELOAD_CLASS): Check for !G constants
4846	for DATA_OR_FP_REGS also.
4847
4848Fri Oct 20 18:57:10 1995  Ian Lance Taylor  <ian@cygnus.com>
4849
4850	* genmultilib: Output negations of unused alternatives, even if
4851	one of the alternatives is selected.
4852
4853Fri Oct 20 18:48:50 1995  Jeff Law  (law@hurl.cygnus.com)
4854
4855	* integrate.c (output_inline_function): Turn on flag_no_inline
4856	to avoid function integration once we begin writing deferred
4857	output functions.
4858
4859Fri Oct 20 18:46:33 1995  Michael Meissner  <meissner@wogglebug.tiac.net>
4860
4861	* rs6000.c (float_conv_temp): Delete global variable.
4862	(stack_temps): New static array to hold stack temps.
4863	(offsettable_mem_operand): Delete function.
4864	(offsettable_addr_operand, rs6000_stack_temp): New functions.
4865	(output_epilog): Zero stack_temps.
4866
4867	* rs6000.h (offsettable_addr_operand): Declare instead of
4868	offsettable_mem_operand.
4869	(PREDICATE_CODES): Use offsettable_addr_operand.
4870	(float_conv_temp): Delete variable.
4871
4872	* rs6000.md (move_to_float insns): Change move_to_float so
4873	that it doesn't have a clobber of the memory address, and instead
4874	passes the stack temp's memory address as one of the unspec args.
4875	(fix_truncdfsi2): Use rs6000_stack_temp to allocate the temp.
4876	(multiply, shift insns): Fix all cases of multiply and shift insns so
4877	that the right mnemonics are used for -mcpu=common with both
4878	-m{old,new}-mnemonics.
4879
4880Fri Oct 20 17:58:19 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4881
4882	* expr.c (safe_from_p, case RTL_EXPR): Return 0 if RTL_EXPR_SEQUENCE
4883	exists.  Delete code to return 0 if exp_rtl is zero.
4884
4885	* function.c (init_function_start): Don't call init_insn_lengths here.
4886	* toplev.c (rest_of_compilation): Call it here.
4887
4888Thu Oct 19 19:19:06 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
4889
4890	* c-common.c (check_format_info): Make test for null pointer
4891	more general.
4892
4893Thu Oct 19 18:56:16 1995  Satoshi Adachi  (adachi@wisdom.aa.ap.titech.ac.jp)
4894
4895	* fixincludes (stdlib.h): Be more general in edit to change
4896	declaration of {c,m,re}alloc.
4897
4898Thu Oct 19 18:48:53 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
4899
4900	* libgcc2.c (__udiv_w_sdiv): If we don't have sdiv_qrnnd, define
4901	dummy variant of __udiv_w_sdiv.
4902
4903Thu Oct 19 18:45:21 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4904
4905	* alpha.h (ASM_SPEC): If GNU as is the default, then pass -g to
4906	the assembler if -malpha-as.  If GNU as is not the default, then pass
4907	-g to the assembler is not -mgas.
4908
4909	* combine.c (distribute_notes): When search for new place to put
4910	REG_DEAD note, call distribute_links if this new place is between
4911	i2 and i3, and i2 uses the register.
4912
4913Thu Oct 19 18:41:36 1995  Michael Meissner  <meissner@cygnus.com>
4914
4915	* rs6000.md (float{,uns}sidf2): Rewrite to break the conversion
4916	process into several general insns.
4917	(move_to_float): New insns to move 2 integer regs into a float register
4918	through memory, taking endianess into account.  Make sure that the
4919	floating temporary is a valid address.  Use one temporary for all
4920	floats converted.
4921	(fix_truncdfsi2): Take endianess into account.
4922
4923	* rs6000.c ({low_32_bit,offsettable_mem}_operand): The function
4924	low_32_bit_operand is now unused, delete it.  New function
4925	offsettable_mem_operand to determine if a memory address is
4926	offsettable.
4927	* rs6000.h ({low_32_bit,offsettable_mem}_operand): Ditto.
4928	(PREDICATE_CODES): Ditto.
4929
4930	* rs6000.{c,h} (float_conv_temp): New global.
4931	* rs6000.c (output_epilog): Zero out float_conv_temp.
4932
4933	* Makefile.in (libgcc{1,2}.a): Allow LIB{1,2}FUNCS_EXTRA files to
4934	end in .S as well as .c and .asm.
4935
4936Wed Oct 18 17:56:45 1995  Jose Alonso  (sidinf@fpsp.fapesp.br)
4937
4938	* c-typeck.c (parser_build_binary_op): Warn about x^y==z, etc.
4939
4940Mon Oct  9 12:38:06 1995  Michael Meissner  <meissner@cygnus.com>
4941
4942	* protoize.c (reverse_def_dec_list): Silence compiler warnings.
4943
4944Mon Oct  9 12:35:54 1995  Andrew Cagney  <cagney@highland.com.au>
4945
4946	* ginclude/va-ppc.h (va_arg): Deal with long longs that would be
4947	passed in the 7th register, and are passed in the stack instead.
4948
4949Fri Oct  6 13:47:10 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4950
4951	* alpha.h (ASM_SPEC): Add -g.
4952
4953Fri Oct  6 13:42:50 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4954
4955	* alpha.h (alpha_{arg,auto}_offset): Make extern.
4956
4957Fri Oct  6 13:24:43 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
4958
4959	* rs6000.h (RETURN_ADDRESS_OFFSET): Correct previous change.
4960
4961Fri Oct  6 13:14:43 1995  Doug Evans  <dje@canuck.cygnus.com>
4962
4963	* rtlanal.c (reg_set_last): Fix call to reg_set_between_p.
4964
4965Tue Oct  3 12:31:38 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
4966
4967	* stor-layout.c (layout_type, case ARRAY_TYPE): Strip MAX_EXPR
4968	from upper bound when computing length if it just protects against
4969	negative length.
4970
4971	* expr.c (emit_move_insn_1): When doing multi-word move, show
4972	output is clobbered.
4973
4974Tue Oct  3 12:26:07 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
4975
4976	* cse.c (set_nonvarying_address_components, case AND): Add *pend to
4977	end.  Add constant to start instead of subtracting it.
4978
4979Tue Oct  3 12:23:28 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
4980
4981	* combine.c (simplify_rtx): In code that attempts to simplify
4982 	conditional expressions, if the result is an NE around another
4983	comparison, return the original expression.
4984
4985	* longlong.h (mips umul_ppmm): Use `l' and `h' constraints;
4986	remove mflo and mfhi instructions.
4987
4988Tue Oct  3 12:21:29 1995  Michael Meissner  <meissner@cygnus.com>
4989
4990	* ginclude/va-ppc.h (va_start, stdarg case): Call
4991	__builtin_next_arg, and ignore the result, so that the compiler
4992	can report the proper error, if the second argument is not the
4993	last argument.
4994
4995Tue Oct  3 12:02:51 1995  Kohtala Marko  <Marko.Kohtala@ntc.nokia.com>
4996
4997	* function.c (assign_stack_temp): Adjust full_size field of
4998	temp_slot when splitting an unused slot.
4999
5000Tue Oct  3 11:51:59 1995  Mike Stump  <mrs@cygnus.com>
5001
5002	* expr.c (expand_builtin_return_addr): Break out functionality
5003	from expand_builtin.
5004	(expand_builtin): Call expand_builtin_return_addr.
5005	* rs6000.h (RETURN_ADDR_RTX): Remove call to copy_to_reg.
5006	Offset to return address is 4 when !TARGET_64BIT and v4_call_p,
5007	8 otherwise.
5008	* sparc.h (RETURN_ADDR_RTX): Remove call to copy_to_reg.
5009	* alpha.h (RETURN_ADDR_RTX): New definition.
5010
5011Sun Oct  1 21:23:30 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5012
5013	* tree.c (staticp, case INDIRECT_EXPR): Disable case.
5014
5015	* expr.c (expand_expr, case COMPONENT_REF): If getting component
5016	of union of variable size, propagate TARGET.
5017
5018Fri Sep 29 07:48:09 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5019
5020	* expr.c (store_expr): When storing promoted value, don't return
5021	MEM if address contains target.
5022
5023Thu Sep 28 14:30:03 1995  Paul Eggert  <eggert@twinsun.com>
5024
5025	* cccp.c (rescan): Expand `#if foo && #bar' without a bogus
5026	complaint about preprocessor directives within macro args.
5027	Expand `foo' in `foo#bar' without requiring a space before `#'.
5028
5029Thu Sep 28 14:24:26 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
5030
5031	* m68k.md (anonymous DImode shift patterns setting cc0): Turned
5032	off due to reload problems.
5033
5034Thu Sep 28 14:05:22 1995  Niklas Hallqvist  (niklas@appli.se)
5035
5036	* Makefile.in (USER_H): Move up so can override.
5037	(INSTALL_ASSERT_H): New definition.
5038	(install-headers): Use it.
5039	(stmp-int-hdrs): Handle USER_H being empty.
5040	* config/x-netbsd (INSTALL_ASSERT_H): Define as empty.
5041
5042	* i386/netbsd.h (WCHAR_{TYPE,UNSIGNED,TYPE_SIZE}): Now int.
5043	* m68k/netbsd.h, ns32k/netbsd.h, sparc/netbsd.h: Likewise.
5044	* vax/netbsd.h: Likewise.
5045	(SIZE_TYPE): Use unsigned int.
5046
5047	* m68k.c (output_scc_di): Swap operands when needed.
5048	* m68k.h (LEGITIMATE_PIC_OPERAND): Allow SYMBOL_REF_FLAG symref.
5049	* m68k.md: Make both assembler syntaxes do the same for PIC calls.
5050
5051Tue Sep 26 16:51:44 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
5052
5053	* mips.c (override_options): Don't allow anything but integers to
5054	go in the HI/LO registers.
5055
5056Tue Sep 26 16:36:18 1995  John F. Carr  <jfc@mit.edu>
5057
5058	* c-common.c (check_format_info): Don't warn about format type
5059	mismatch if the argument is an ERROR_MARK.
5060
5061Mon Sep 25 17:50:50 1995  Craig Burley  (burley@gnu.ai.mit.edu)
5062
5063	* stor-layout.c (put_pending_sizes): New function.
5064	* tree.h (put_pending_sizes): Add declaration.
5065	* tree.c (save_expr): Return original for ERROR_MARK.
5066
5067Fri Sep 22 19:20:01 1995  Jeff Law  (law@hurl.cygnus.com)
5068
5069	* expr.c (expand_builtin, case BUILT_IN_MEMCPY): Strip off
5070	all NOP exprs from the source and destination nodes, then
5071	set MEM_IN_STRUCT_P.
5072
5073Fri Sep 22 18:50:31 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
5074
5075	* rs6000/eabi.h (ASM_OUTPUT_INT): Test for whether the integer
5076	being output is also a constant so &sym - &sym2 is not fixed up.
5077
5078Fri Sep 22 18:49:07 1995  Peter Flass  (FLASS@LBDRSCS.BITNET)
5079
5080	* i370.md (cmpsi): Add missing constraints to operand 1.
5081
5082Fri Sep 22 18:27:33 1995  Torbjorn Granlund  <tege@matematik.su.se>
5083
5084	* i386.h (CONST_OK_FOR_LETTER_P): Make `N' match range 0..255
5085	for `outb' instruction.
5086
5087	* pyr.h (PRINT_OPERAND): Handle code `R' for REG.
5088        * longlong.h (pyr umul_ppmm): Use it.
5089
5090Fri Sep 22 18:24:38 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5091
5092	* c-parse.in (enumlist): Propagate error_mark_node.
5093
5094	* c-aux-info.c (gen_type): Handle ERROR_MARK.
5095
5096	* alpha.md (movdi): Avoid memory sharing problem when in reload.
5097
5098Wed Sep 20 14:27:09 1995  Peter Flass <flass@lbdrscs.bitnet>
5099
5100        * mvs.h (FUNCTION_PROLOGUE): Maintain savearea forward chain
5101	per MVS standards.
5102
5103Wed Sep 20 14:20:52 1995  Torbjorn Granlund  <tege@matematik.su.se>
5104
5105        * pyr.md (cmphi recognizer): Make condition match constraints.
5106	(cmpqi recognizer): Likewise.
5107
5108Wed Sep 20 12:42:59 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5109
5110	* integrate.c (expand_inline_function): Do copy something setting
5111	the result register if it is setting it to itself and has a REG_NOTE.
5112
5113	* integrate.c (set_decl_{origin_self,abstract_flags}): Treat
5114	a DECL_INITIAL of error_mark_node the same as one of NULL_TREE.
5115
5116Tue Sep 19 19:30:18 1995  Dave Pitts  (dpitts@nyx.cs.du.edu)
5117
5118	* i370.md (cmphi, movhi, movstricthi, extendhisi2): Correct generation
5119	of short integer (Halfword)
5120	({add,sub,mul,and,ior,xor}hi3): Likewise.
5121	* i370/mvs.h (MACROPROLOGUE): New macro.
5122	(FUNCTION_{PRO,EPI}LOGUE): Added ability to use IBM supplied function
5123	prologue macros.
5124	(FUNCTION_PROLOGUE): Corrected function "in-line" prologue alignment
5125	problems.
5126	(ASM_DECLARE_FUNCTION_NAME): Changed alignment to FullWord.
5127	(ASM_OUTPUT_{SHORT,ASCII}): Reworked.
5128
5129Tue Sep 19 19:22:15 1995  Douglas Rupp  (drupp@cs.washington.edu)
5130
5131	* winnt/win-nt.h: Renamed from winnt/win-nt.h.
5132	(LINK_SPEC): Add -noinhibit-exec.
5133	* {alpha,i386}/win-nt.h: Renamed from {alpha,i386}/winnt.h.
5134	Include winnt/win-nt.h, not winnt/winnt.h.
5135	* winnt/oldnames.c: New file.
5136	* winnt/headers.mak (fixinc-nt.obj): Fix typo.
5137	* winnt/config-nt.bat: Change winnt.h to win-nt.h.
5138	* i386/config-nt.sed: Likewise.
5139	* configure ({alpha,i386}-*-winnt3*): Likewise.
5140
5141Mon Sep 18 14:00:45 1995  Oliver Kellogg  (Oliver.Kellogg@space.otn.dasa.de)
5142
5143	* 1750a.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5144	Added R2 and R0_1.
5145	(REG_CLASS_FROM_LETTER): New letters 't' and 'z'.
5146	(EXTRA_CONSTRAINT): New letter 'Q'.
5147
5148Sun Sep 17 12:39:22 1995  Jeff Law  (law@snake.cs.utah.edu)
5149
5150	* pa.h (ASM_DECLARE_FUNCTION_NAME): If a parameter's type
5151	has TYPE_NEEDS_CONSTRUCTING on, then it's passed by invisible
5152	reference.
5153
5154Sat Sep 16 17:42:33 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5155
5156	* loop.c (find_and_verify_loops): Fix error in last change.
5157
5158Sat Sep 16 08:38:22 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5159
5160	* alpha.h (GO_IF_LEGITIMATE_ADDRESS): Disallow SYMBOL_REF for
5161	current function.
5162
5163	* cse.c (recorded_label_ref): New variable.
5164	(insert): Set instead of cse_jumps_altered.
5165	(cse_main): Initialize it and return 1 if nonzero at end.
5166
5167Fri Sep 15 18:26:49 1995  Torbjorn Granlund  (tege@matematik.su.se)
5168
5169	* fold-const (div_and_round_double): Change `carry', `quo_est',
5170	and `scale' from plain int to `unsigned HOST_WIDE_INT'.
5171
5172Fri Sep 15 18:24:24 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5173
5174	* cse.c (insert): Set cse_jumps_altered when inserting a LABEL_REF.
5175
5176Fri Sep 15 17:29:41 1995  Oliver Kellogg  (Oliver.Kellogg@space.otn.dasa.de)
5177
5178	* 1750a.c (b_mode_operand): New function.
5179	(print_operand): Added code 'Q'.
5180
5181Fri Sep 15 17:27:23 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5182
5183	* loop.c (find_and_verify_loops): When moving exit blocks out of
5184	the loop, verify that the target of P is within the current loop.
5185
5186	* reorg.c (fill_slots_from_thread): Update thread if it is split.
5187
5188Fri Sep 15 17:06:51 1995  Michael Meissner  <meissner@cygnus.com>
5189
5190	* rs6000.md (decrement_and_branchsi and related insns): Don't use
5191	a "2" to select a register preference for operand 1 if operand 2
5192	hasn't been seen yet.
5193	Add appropriate clobbers in decrement_and_branchsi.
5194	Add patterns where the pc/label_ref are interchanged.
5195
5196	* Makefile.in (gnucompare, stmp-multilib-sub): Remove extra . in
5197	front of $(objext).
5198
5199	* rs6000.c (output_toc): Align DF constants if STRICT_ALIGNMENT.
5200
5201	* config/fp-bit.c (FLO_union_type): Add words field if double
5202	precision to get at the separate words.
5203  	(FLO_union_type, pack_d, unpack_d): Use FLOAT_BIT_ORDER_MISMATCH
5204	to determine when the bitfields need to be reversed, and
5205	FLOAT_WORD_ORDER_MISMATCH when the words need to be reversed.
5206
5207Fri Sep 15 16:41:43 1995  Jeff Law  (law@snake.cs.utah.edu)
5208
5209	* reorg.c (fill_simple_delay_slots): When filling insn's delay slot
5210	with JUMP_INSN, don't assume it immediately follows insn on
5211	unfilled slots obstack.
5212
5213	* Makefile.in (caller-save.o): Depend on insn-codes.h.
5214
5215Thu Sep 14 17:41:49 1995  Jim Meyering  (meyering@comco.com)
5216
5217	* protoize.c (do_cleaning): Don't blank out backslash-escaped
5218	newlines in double quoted strings.
5219
5220Thu Sep 14 16:20:35 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5221
5222	* emit-rtl.c (gen_lowpart): If gen_lowpart_common fails
5223	for a REG, load it into a pseudo and try again.
5224
5225Thu Sep 14 14:15:16 1995  Stan Cox  (coxs@dg-rtp.dg.com)
5226
5227	* m88k.h (VERSION_INFO1): Removed BCS reference.
5228	* m88k/dgux.h (ASM_SPEC, *_LEGEND):
5229	Added -mno-legend option. -mstandard no longer implies that legend
5230	legend information not be produced.
5231	(LINK_SPEC): Removed -z text
5232
5233Tue Sep 12 19:05:39 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5234
5235	* cccp.c (is_system_include): Call skip_redundant_dir_prefix.
5236
5237Tue Sep 12 18:58:21 1995  John Carr  <jfc@mit.edu>
5238
5239	* sparc.md: Change `*return "string"' to "string" in patterns.
5240
5241Tue Sep 12 18:48:47 1995  Craig Burley  (burley@gnu.ai.mit.edu)
5242
5243	* function.c (put_var_into_stack): For CONCAT case, order of
5244	placement depends on FRAME_GROWS_DOWNWARD, not STACK_GROWS_DOWNWARD.
5245
5246Tue Sep 12 18:34:10 1995  Doug Evans  <dje@canuck.cygnus.com>
5247
5248	* va-sparc.h (v9 varargs va_start): Handle __builtin_va_alist
5249	being stack argument.
5250
5251	* sparc.h (STATIC_CHAIN_REGNUM): Use %g5 for sparc64.
5252	(TRAMPOLINE_TEMPLATE): Rewrite for sparc64.
5253	(TRAMPOLINE_SIZE): Is 40 for sparc64.
5254	* sparc.c (sparc64_initialize_trampoline): Rewrite.
5255
5256Tue Sep 12 18:30:22 1995  Douglas Rupp  (drupp@cs.washington.edu)
5257
5258	* cp/Make-lang.in (cc1plus) : Removed unnecessary $(exeext).
5259
5260	* configure: Added code to handle gcc_extra_objs.
5261	(alpha-winnt): Changed xmake_file to winnt/x-winnt.
5262	Added extra_gcc_objs=spawnv.o; changed extra_programs to ld.exe.
5263	(i386-winnt): Changed xmake_file to winnt/x-winnt.
5264	Added extra_gcc_objs=spawnv.o; changed extra_programs to ld.exe.
5265	* configure.bat: Changed to used common winnt/config-nt.bat.
5266	* Makefile.in: Changed various .o's to .$(objext)'s
5267	(specs): Removed unnecessary $(exeext).
5268	(EXTRA_GCC_OBJS): New variable.
5269	(clean): Removed $(LIB2FUNCS_EXTRA)
5270	* objc/Makefile: Changed archive command for libobjc.a to use $?
5271	for objects.
5272
5273	* alpha/x-winnt, i386/x-winnt: Deleted.
5274	* alpha/config-nt.bat, i386/config-nt.bat: Deleted.
5275	* alpha/config-nt.sed, i386/config-nt.sed: Moved architecture
5276	independent commands to config/winnt/config-nt.sed.
5277	* alpha/winnt.h: Added -D_M_ALPHA to CPP_PREDEFINES.
5278	Changed LIB_SPEC to be compatible with Gnu ld for NT.
5279	* i386/winnt.h: Added -D_cdecl=__attribute__((__cdecl__)).
5280	Change LIB_SPEC to be compatible with Gnu ld for NT.
5281	* winnt/config-nt.bat, winnt/config-nt.sed: New files.
5282	* winnt/dirent.{c,h}, winnt/fixinc-nt.c, winnt/headers.mak: New files.
5283	* winnt/ld.c: Changed precedence of libraries to look for
5284	libfoo.lib before libfoo.a
5285	Changed to work like Gnu ld for NT.
5286	* winnt/libgcc.mak, winnt/mklibgcc.c: New files.
5287	* winnt/spawnv.c: Changed spawn function entry points to __spawn*
5288	instead of spawn*.
5289	* winnt/x-winnt: New file.
5290	* fixinc-nt.sed: New file.
5291	* fixinc.winnt: Rewritten to use fixinc-nt.sed.
5292
5293	* gcc.c: Remove fix_argv kludge.
5294
5295Tue Sep 12 13:24:17 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
5296
5297	* rs6000.md (power subdi3 pattern): Fix pattern to have 5
5298	alternatives, and correct 4th alternative to match reality.
5299
5300	* rs6000.md (adddi3, subdi3, negdi2): Add constraints so output reg
5301	does not overlap one reg with one of the inputs.
5302
5303Tue Sep 12 13:09:48 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
5304
5305	* m68k.c (output_scc_di): Fixed for non-SGS_CMP_ORDER syntax.
5306
5307	* collect2.c (scan_libraries): Cast lsyms' alloca to LDSYM*.
5308
5309Tue Sep 12 13:04:12 1995  Niklas Hallqvist  (niklas@appli.se)
5310
5311	* stmt.c (expand_start_stmt_expr): Do stack adjust in right place.
5312
5313	* stdarg.h (__gnuc_va_list): Make char * for NetBSD.
5314
5315Tue Sep 12 12:44:46 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
5316
5317	* ginclude/va-ppc.h (va_arg): Reorganize to avoid BIND_EXPRs of
5318 	aggregate or array type.
5319
5320Tue Sep 12 12:42:27 1995  Ian Lance Taylor  <ian@cygnus.com>
5321
5322	* fixincludes: Fix HP/UX <sys/file.h> for g++ -pedantic-errors.
5323
5324	* fixincludes (curses.h): typedef bool need not take up entire line.
5325
5326Mon Sep 11 19:05:42 1995  Stan Cox  (coxs@dg-rtp.dg.com)
5327
5328	* c-typeck.c (digest_init): Don't recursively call digest_init
5329	when in traditional mode if the type is invalid.
5330
5331Mon Sep 11 18:58:26 1995  Oliver Kellogg  (Oliver.Kellogg@space.otn.dasa.de)
5332
5333	* 1750a.md: Added DLB/DSTB peepholes for HFmode.
5334	Corrected mnemonics for HImode DSTB peephole.
5335
5336Mon Sep 11 18:48:06 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
5337
5338	* config/fp-bit.c (FLO_union_type): Remove bitfields to set sign,
5339	exponent, and mantissa, and add value_raw field, which is an
5340	integer of the appropriate type.  If _DEBUG_BITFLOAT is defined,
5341	provide little and big endian bitfields.  If the macro
5342	FLOAT_BIT_ORDER_MISMATCH is defined, use explicit bitfields.
5343	(pack_d, unpack_d): Switch to use value_raw and explicit shifts
5344	and masks so that we don't have to worry about whether the target
5345	is big or little endian unless FLOAT_BIT_ORDER_MISMATCH is
5346	defined.  If single precision floating point, rename to pack_f and
5347	unpack_f, so there is no confusion in the debugger.
5348
5349	* rs6000.h (rs6000_abi): New enumeration to describe which
5350	ABI we're conforming to.
5351	(rs6000_stack): Use abi enum, not AIX vs. V.4 boolean.
5352	(ASM_OUTPUT_OPTIONS): New macro to print output options in .s file.
5353	(ASM_FILE_START): Use it.
5354	(output_options,rs6000_float_const): Declare new functions.
5355
5356	* rs6000.c (output_option{,s}): New functions to write -f, -m,
5357	and -W options to the asm file.
5358	(rs6000_float_const): New function to generate floating point
5359	constants portably used in signed,unsigned -> double conversions.
5360	(rs6000_stack_info,debug_stack_info): Use ABI enumeration instead
5361	of AIX vs. V.4 boolean.
5362
5363	* rs6000.md (float{,uns}sidf2): Call rs6000_float_const to
5364	portably build the proper floating point constant for conversions.
5365	(movdi): Properly handle movdi of CONST_{INT,DOUBLE} on little
5366	endian systems.
5367
5368	* rs6000/sysv4.h (LIBGCC2_WORDS_BIG_ENDIAN): Define to be 0/1
5369	depending on the target endianess.
5370	(ASM_FILE_START): Define, to call output_options in addition to
5371	output_file_directive.
5372	(TRAMPOLINE_SIZE): Correct size to match code.
5373
5374	* rs6000/eabi{,le}sim.h (CPP_SPEC): Define the correct endian
5375	macro for varargs/stdargs use.
5376
5377Mon Sep 11 18:41:58 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5378
5379	* c-decl.c (redeclaration_error_message): For TYPE_DECLs, return 0
5380	if TYPE_MAIN_VARIANT of old type is same as new type.
5381
5382Mon Sep 11 17:39:35 1995  Rob Ryan (robr@cmu.edu)
5383
5384	* xcoffout.c (xcoff_inlining): New variable, used in place of
5385	xcoff_current_include_file when determining whether to use
5386	absolute line numbers.
5387	(xcoffout_source_file): Switched to using xcoff_inlining to
5388	determine when to emit .bi/.ei directives.
5389
5390Mon Sep 11 16:55:06 1995  Torbjorn Granlund  <tege@matematik.su.se>
5391
5392	* m68k.md (cmpdi): Change patterns to allocate scratch register at
5393	RTL generation time.
5394	(tstdi): Likewise.
5395
5396Sun Sep  3 09:03:50 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5397
5398	* fold-const.c (size_binop): Don't pass 1 to NOTRUNC.
5399
5400Thu Aug 31 19:27:00 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
5401
5402	* libgcc2.c: Include longlong.h.
5403	[L_udivdi3 || L_divdi3 || L_umoddi3 || L_moddi3] (__udivmoddi4):
5404	Define this `static inline' when defining these, so they all
5405	remain leaf functions.
5406
5407Thu Aug 31 18:38:21 1995  Paul Eggert  <eggert@twinsun.com>
5408
5409	* c-parse.in (ends_in_label): New %union member.
5410	(stmts, stmt_or_label): Use new member to avoid lexical lookahead hack.
5411	(lineno_stmt_or_labels): New rule.
5412	(lineno_stmt_or_label, stmt_or_label): Yield nonzero if it ends
5413	in a label.
5414
5415Thu Aug 31 08:31:40 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5416
5417	* cse.c (canon_hash, CONST_DOUBLE): Hash integer and real
5418	differently.
5419	* varasm.c (struct rtx_const): Add new field DI to union.
5420	(decode_rtx_const, case CONST_DOUBLE): Use to hash CONST_DOUBLE
5421	representing an integer.
5422
5423	* va-alpha.h (__gnuc_va_list): Make __offset an int.
5424	* alpha.c (alpha_builtin_saveregs): Properly compute address
5425	of __offset both both OSF and WINNT.
5426
5427	* xm-alpha.h (sbrk): Don't define here.
5428	* gmon.c (sbrk): Define here for __alpha.
5429	* toplev.c (sbrk): Likewise.
5430	* mips-tfile.c (malloc, calloc, realloc): Don't define for anybody.
5431
5432	* reload.c (push_reload): Add case for output reload of a SUBREG
5433	of a hard reg when output mode is invalid for that mode.
5434	In both that case and existing case for in, don't remove SUBREG.
5435	* reload1.c (emit_reload_insns): Emit RELOAD_OTHER output reloads last.
5436
5437Tue Aug 29 19:16:06 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5438
5439	* c-common.c (decl_attribute, case A_PACKED): Check is_type first.
5440	(decl_attribute, case A_T_UNION): Likewise.
5441	Don't access TYPE_FIELDS if DECL is zero.
5442	* c-decl.c (finish_struct): If transparent_union attribute
5443	specified, validate it once we finish laying the union out.
5444
5445Mon Aug 28 05:58:03 1995  Paul Eggert  <eggert@twinsun.com>
5446
5447	* arm.c (arm_gen_movstrqi): Remove unused variable const_sxteen.
5448
5449	* bi-lexer.c (buffer, inpoint): Remove unused variables.
5450
5451	* i370/mvs.h, i370/mvs370.c (mvs_label_emitted): Renamed
5452	from mvs_label_emited.
5453
5454	* msdos/configur.bat: Fix misspelling of `maintainer-clean'.
5455
5456Sat Aug 26 06:57:17 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5457
5458	* reload.c (push_secondary_reload): If X is a paradoxical SUBREG,
5459	get mode and thing to reload from inside.
5460	* reload1.c (emit_reload_insns): Do nothing for SUBREG whose
5461	operand is unused subsequently.
5462	In secondary reload case, if paradoxical SUBREG for output, reload
5463	thing inside SUBREG, just like gen_reload.
5464
5465Fri Aug 25 19:26:53 1995  Paul Eggert  <eggert@twinsun.com>
5466
5467	* c-typeck.c (set_init_label): Don't die if an entire
5468	brace-pair level is superfluous in the containing level.
5469
5470Fri Aug 25 19:22:46 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
5471
5472	* configure (powerpc{,le}-eabisim): Add support for a new target
5473	that works under the PSIM simulator.
5474	* rs6000/eabisim.h, rs6000/eabilesim.h, rs6000/t-eabisim: New files.
5475
5476	* rs6000/eabi.h (STRICT_ALIGNMENT): If little endian, always set
5477	strict alignment to 1.
5478
5479Fri Aug 25 19:22:23 1995  David Edelsohn  <edelsohn@mhpcc.edu>
5480
5481	* rs6000.md ({add,sub,mulsi}di3): Support both endian possibilities.
5482	(negdi2): Likewise.
5483
5484Fri Aug 25 19:10:41 1995  Oliver Kellogg  (Oliver.Kellogg@space.otn.dasa.de)
5485
5486	* 1750a.md: Added peephole definitions for Load/Store Base insns
5487	and eliminating redundant load in an equivalent store/load sequence.
5488
5489Fri Aug 25 18:33:27 1995  Craig Burley  (burley@gnu.ai.mit.edu)
5490
5491	* toplev.c (report_error_function): Don't attempt to use input
5492	file stack to identify nesting of #include's if file name oflocation
5493	diagnosed is not same as input_filename.
5494
5495Fri Aug 25 07:31:47 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5496
5497	* integrate.c (output_inline_function): Switch to function obstack.
5498
5499Mon Aug 21 13:29:54 1995  J"orn Rennecke (amylaar@meolyon.hanse.de)
5500
5501	* i386.c (arithmetic_comparison_operator): New function.
5502	(print_operand): Take into account that overflow flag is not
5503	set the same as after a compare instruction.
5504	* i386.md (decrement_and_branch_until_zero): Use
5505	arithmetic_comparison_operator to decide if there is comparison
5506	suitable to be expressed by condition code from an arithmetic op.
5507
5508Mon Aug 21 13:26:13 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
5509
5510	* m68k.md (adddi3, subdi3): "&" added to clobber's constraints.
5511
5512Mon Aug 21 12:11:14 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5513
5514	* t-sparclite (MULTILIB_*, LIBGCC, INSTALL_LIBGCC): Define.
5515
5516	* sh.md (movdi-1, movdf-1): Make conditional on reload_completed,
5517	delete conditions checking for pseudo registers and Q addresses.
5518	Add code to handle SUBREG.
5519
5520	* local-alloc.c (wipe_dead_reg): Make a register mentioned in a
5521	REG_INC note die after the instruction.
5522
5523	* m68k.md: For all dbra pattern, change constraint from 'g' to 'd*g'.
5524
5525	* Makefile.in: (underscore.c): Rename rule to stamp-under, and
5526	touch stamp-under at the end.  Add new rule for underscore.c that
5527	depends on stamp-under.
5528
5529	* sh.c (reg_unused_after): For a SEQUENCE, make sure all insns are
5530	safe before returning 1.
5531
5532	* sh.h (PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN): Define.
5533
5534	* sh.c (output_stack_adjust): Add new argument reg.  Use it instead
5535	of stack_pointer_rtx.
5536	(sh_expand_prologue, sh_expand_epilogue): Pass new argument to
5537	output_stack_adjust.
5538
5539Sat Aug 19 17:34:15 1995  Jim Wilson  <wilson@phydeaux.cygnus.com>
5540
5541	* sparc/gmon-sol2.c (_mcount): Define.
5542	* sparc/sol2.h (STARTFILE_SPEC, ENDFILE_SPEC): Delete superfluous
5543	-pg tests.
5544	(LINK_SPEC): Add libp directories to -Y when -pg.
5545
5546	* unroll.c (calculate_giv_inc): Handle increment computed by ASHIFT.
5547
5548Sat Aug 19 17:28:56 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
5549
5550	* m68k.md (subdi3): Should not be commutative.
5551	(one_cmpldi2): Fixed typo with register operand.
5552
5553Sat Aug 19 17:20:43 1995  Michael Meissner  <meissner@cygnus.com>
5554
5555	* rs6000.c (output_prolog): Fixup code to set stack pointer
5556	if stack size > 32k.
5557	* rs6000.md (sync_isync): Renamed from sync; added an isync insn
5558	after the sync to properly deal with PowerPC's with split I/D caches.
5559	* sysv4.h (INITIALIZE_TRAMPOLINE): Sync function now named sync_isync.
5560
5561Sat Aug 19 17:07:09 1995  Doug Evans  <dje@canuck.cygnus.com>
5562
5563	* h8300.h (STATIC_CHAIN_REGNUM): Use r3.
5564	(REGISTER_NAMES): Print r7 as sp.
5565	(ADDITIONAL_REGISTER_NAMES): Recognize r7.
5566	(ASM_OUTPUT_ALIGN): Alignment is power of 2.
5567	* h8300.md (fancy_btst,fancy_btst1): Branch target must be
5568	operand 0 for length attribute to work.
5569
5570Sat Aug 19 16:43:11 1995  Paul Franklin  <paul@cs.washington.edu>
5571
5572	* assert.h: Declare __eprintf with attribute noreturn.
5573
5574Sat Aug 19 16:40:12 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
5575
5576	* stddef.h: Don't define wchar_t if __cplusplus is defined.
5577
5578Tue Aug 15 18:01:01 1995  Paul Eggert  <eggert@twinsun.com>
5579
5580	* cccp.c (warning_with_line): Fix typo in declaration when
5581	!HAVE_VPRINTF and defined (__STDC__).
5582
5583Tue Aug 15 17:57:54 1995  Stephen L Moshier <moshier@world.std.com>
5584
5585	* real.c (ediv, emul): Set sign bit of IEEE -0.0 result.
5586
5587Tue Aug 15 17:49:47 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5588
5589	* expr.c (safe_from_p): Only safe if EXP is variable-size and X
5590	is BLKmode.
5591
5592	* stmt.c (fixup_gotos): When some fixups done, reset to point
5593	to next instead of zeroing TREE_VALUE, which may be shared.
5594
5595Mon Aug 14 09:15:45 1995  Doug Evans  <dje@canuck.cygnus.com>
5596
5597	* m68k/m68kemb.h (STARTFILE_SPEC): Define as empty.
5598
5599Mon Aug 14 09:08:57 1995  Pat Rankin  <rankin@eql.caltech.edu>
5600
5601	* vax.c (vms_check_external): Update `pending_head' properly
5602	when the first list element is removed.
5603
5604Mon Aug 14 09:01:32 1995  Jeffrey A. Law  <law@adder.cygnus.com>
5605
5606	* pa.md (call expanders): Emit a blockage insn after restoring
5607	%r19 when generating PIC.
5608
5609Sun Aug 13 21:58:49 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
5610
5611	* toplev.c (main): Change text of unsupported -g option warning.
5612
5613Sun Aug 13 21:47:57 1995  Andrew McCallum  <mccallum@graphite.cs.rochester.edu>
5614
5615	* objc/selector.c (sel_get_any_typed_uid): New function.
5616	* objc/objc-api.h (sel_get_any_typed_uid): Declare new function.
5617
5618Sun Aug 13 21:43:17 1995  John Carr  <jfc@mit.edu>
5619
5620	* c-typeck.c (c_expand_asm_operands): Check for read-only output
5621	operand where the variable is read-only but the type is not.
5622
5623Sun Aug 13 21:16:12 1995  David Edelsohn  <edelsohn@mhpcc.edu>
5624
5625	* rs6000.c (direct_return): Epilogue required if CR saved.
5626
5627Sun Aug 13 19:09:25 1995  Jeff Law  (law@snake.cs.utah.edu)
5628
5629	* configure (hppa1.?-hp-hpux10): Recognize and treat just like hpux9.
5630
5631Sun Aug 13 19:07:23 1995  Doug Evans  <dje@canuck.cygnus.com>
5632
5633	* i960.md (movdi matchers): Fix src/dest order in unaligned
5634	reg->reg case.
5635
5636Sun Aug 13 18:49:01 1995  DJ Delorie  <dj@delorie.com>
5637
5638	* i386/xm-dos.h (HAVE_STRERROR): New definition.
5639
5640	* msdos/configur.bat: Add missing carriage return.
5641
5642Sun Aug 13 18:40:55 1995  Andrew Cagney  <cagney@highland.com.au>
5643
5644	* Makefile.in (USER_H): Add va-ppc.h.
5645
5646Sun Aug 13 18:36:17 1995  M. Warner Losh  <imp@village.org>
5647
5648	* stmt.c (expand_asm_operands): Type '0'..'4' operands may
5649	allow regs, so move them to the default case.
5650
5651Sun Aug 13 18:32:35 1995  Paul Eggert  <eggert@twinsun.com>
5652
5653	* cccp.c (warning_with_line): New function.
5654	(trigraph_pcp): Use it, to avoid reporting line number.
5655	(vwarning_with_line): Don't report line number if zero.
5656
5657Sun Aug 13 18:23:08 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
5658
5659	* toplev.c (vmessage): Support four arguments.
5660
5661Sun Aug 13 18:19:51 1995  Michael Meissner  <meissner@cygnus.com>
5662
5663	* ginclude/stdarg.h: Add ppc svr4 calling sequence support.
5664	* ginclude/varargs.h: Likewise.
5665	* ginclude/va-ppc.h: New file.
5666
5667Sun Aug 13 18:05:20 1995  Michael Gschwind  <mike@donoussa.vlsivie.tuwien.ac.at>
5668
5669	* configure (pdp-*-*): Add support for t-pdp11.
5670	* t-pdp11: New file.
5671	* Makefile.in (LIBGCC2_CFLAGS): Add TARGET_LIBGCC2_CFLAGS.
5672
5673Sun Aug 13 14:50:58 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5674
5675	* final.c (final_start_function): Always call sdbout_begin_function
5676	and xcoffout_begin_function, even if no line number info.
5677
5678	* mips/abi64.h (SETUP_INCOMING_VARARGS): In if statement, only
5679	subtract one for stdarg.  Don't subtract PRETEND_SIZE from
5680	argument pointer when calculating stack address.
5681	* mips.h (INITIAL_ELIMINATION_OFFSET): For 64 bit ABI, subtract
5682	current_function_pretend_args_size when converting from argument
5683	pointer.
5684	* va-mips.h (va_start): For stdarg, delete separate define for
5685	64 bit ABI.  For varargs, don't subtract 64, and only add -8 when
5686	all argument registers are used.
5687
5688	* gcc.c (main): When concat gcc_exec_prefix and
5689	standard_startfile_prefix, put machine_suffix in the middle.
5690
5691	* iris6.h (INIT_SECTION_ASM_OP): Don't define.
5692	(LD_INIT_SWITCH, LD_FINI_SWITCH, HAS_INIT_SECTION): Don't undef.
5693	(ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Ifdef out.
5694	* configure (mips-sgi-irix6, mips-sgi-irix5cross64): Define
5695	use_collect2 to yes.
5696
5697	* combine.c (move_deaths): When have a multi-reg hard register,
5698	if don't find a note, then recur for each individual hard register.
5699
5700	* cse.c (set_nonvarying_address_components): Handle addresses
5701	which are the sum of two constant pseudo regs.
5702	(cse_rtx_addr_varies_p): Likewise.
5703
5704	* Makefile.in (gfloat.h): Add a - before the rm command.
5705
5706	* loop.c (find_and_verify_loops): Set dest_loop only if
5707	JUMP_LABEL (insn) is nonzero.
5708
5709Mon Jul 31 14:31:53 1995  Ian Lance Taylor  <ian@cygnus.com>
5710
5711	* fixincludes: Avoid clobbering VxWorks drv/netif/if_med.h file.
5712
5713Sat Jul 29 16:21:42 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
5714
5715	* collect2.c: (XCOFF_SCAN_LIBS): Define if OBJECT_FORMAT_COFF and
5716	XCOFF_DEBUGGING_FORMAT.
5717	(SCAN_LIBRARIES): Also define if XCOFF_SCAN_LIBS.
5718
5719Sat Jul 29 16:19:42 1995  Stuart D. Gathman  <stuart@bmsi.com>
5720
5721	* collect2.c (scan_libraries): Implement for AIX.
5722
5723Sat Jul 29 09:59:33 1995  Michael Gschwind  <mike@lanai.vlsivie.tuwien.ac.at>
5724
5725	* configure: (pdp11-*-bsd) New target.
5726	* 2bsd.h: New file.
5727
5728	* pdp11.c (output_move_double): Handle CONST_INT parameters properly.
5729	* pdp11.h (RTX_COSTS): Fill in missing default values.
5730	* pdp11.md (truncdfsf2, extendsfdf2, floatsidf2, fix_truncdfsi2):
5731	Allow register parameters, required by gcc to generate correct code.
5732	* xm-pdp11.h: Include tm.h.
5733
5734Sat Jul 29 09:55:17 1995  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
5735
5736	* configure (m68k-*-linux*aout*, m68k-*-linux*): New targets.
5737	* m68k/linux-aout.h, m68k/linux.h, m68k/t-linux, m68k/xm-linux.h: New.
5738	* m68k.md [USE_GAS]: Output `jbsr' instead of `jsr' for normal
5739	function calls and `bsr.l' instead of `bsr' for pic function calls.
5740
5741Sat Jul 29 09:44:13 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5742
5743	* sh.h (CAN_DEBUG_WITHOUT_FP): Comment out.
5744
5745	* reload.c (find_reloads_address_1, case PLUS): When handle SUBREG,
5746	add SUBREG_WORD offset to SUBREG_REG register number.
5747	(find_reloads_address_1, case SUBREG): If a pseudo register inside
5748	a SUBREG is larger than the class, then reload the entire SUBREG.
5749	* sh.h (SUBREG_OK_FOR_INDEX_P): New macro.
5750	(INDEX_REGISTER_RTX_P): Use it.
5751
5752Sat Jul 29 09:33:19 1995  Doug Evans  <dje@canuck.cygnus.com>
5753
5754	* mips/netbsd.h (CPP_SPEC): Fix typo.
5755
5756	* configure (a29k-*-vxworks*): Define extra_parts for crt{begin,end}.o.
5757	* t-a29k, t-a29kbase, t-vx29k ({,CROSS_}LIBGCC1): Define as empty.
5758
5759Sat Jul 29 09:15:17 1995  Jeffrey A. Law  <law@rtl.cygnus.com>
5760
5761	* pa/lib2funcs.asm (gcc_plt_call): Rewrite to avoid the need
5762	for being called by _sr4export.  Inline expand $$dyncall to
5763 	avoid the need for long-call and PIC support.
5764
5765Sat Jul 29 07:30:04 1995  Oliver Kellogg  (Oliver.Kellogg@space.otn.dasa.de)
5766
5767	* ms1750.inc (ucim.m, ucr.m, uc.m): New.
5768	* 1750a.md (cmpqi): Account for unsigned comparisons.
5769	(rotrqi3, rotrhi3): Reworked.
5770	* 1750a.c (notice_update_cc): INCM and DECM set condition codes.
5771	(unsigned_comparison_operator, next_cc_user_is_unsigned): New fcns.
5772	* 1750a.h (FUNCTION_EPILOGUE): Local variables freed from SP, not FP.
5773	(ASM_OUTPUT_BYTE): Make distinct from ASM_OUTPUT_CHAR.
5774	(ASM_OUTPUT_CONSTRUCTOR): Add FILE arg to assemble_name.
5775
5776Fri Jul 28 09:40:07 1995  Jeffrey A. Law  <law@rtl.cygnus.com>
5777
5778        * pa.h (DO_GLOBAL_DTORS_BODY): Use an asm statement to keep optimizer
5779	from deleting an assignment it believes dead.
5780
5781Fri Jul 28 08:47:51 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5782
5783	* unroll.c (unroll_loop): When preconditioning, output code to
5784	execute loop once if initial value is greater than or equal to final
5785	value.
5786
5787	* configure (lang_specs_files, lang_options_files): Add $srcdir to
5788	file names when adding them to these variables.
5789
5790	* c-typeck.c (pointer_int_sum): Don't distribute if intop is unsigned
5791	and not the same size as ptrop.
5792
5793	* function.c (assign_stack_temp): When split a slot, set base_offset
5794	and full_size in the newly created slot.
5795	(combine_temp_slots): Update full_size when slots are combined.
5796
5797	* sh.c (reg_unused_after): New function.
5798	* sh.md (define_peephole): Add peepholes to use r0+rN addressing mode
5799	for some address reloads.
5800
5801	* final.c (final_start_function): If SDB_DEBUG, call
5802	sdbout_begin_function.  If XCOFF_DEBUG, call xcoffout_begin_function
5803	instead of xcoffout_output_first_source_line.
5804	(final_scan_insn): Don't call sdbout_begin_function or
5805	xcoffout_begin_function.
5806	* xcoffout.c (xcoffout_output_first_source_line): Delete.
5807	(xcoffout_begin_function): Call dbxout_parms and
5808	ASM_OUTPUT_SOURCE_LINE.
5809
5810	* va-mips.h: Change every occurrence of #if __mips>=3 to
5811	#ifdef __mips64.
5812	* mips/abi64.h (CPP_SPEC): Output -D__mips64 when -mips3, or -mips4,
5813	or -mgp64.  Output -U__mips64 when -mgp32.
5814	* mips/dec-bsd.h, mips/elf64.h, mips/iris3.h: Likewise.
5815	* mips/iris5.h, mips/mips.h, mips/netbsd.h, mips/osfrose.h: Likewise.
5816
5817	* i960.c (i960_function_epilogue): Don't clear g14 for functions with
5818	an argument block.
5819	(i960_output_reg_insn): Likewise.
5820	(i960_output_call_insn): Clear g14 for functions wtih an argument
5821	block.
5822
5823Fri Jul 28 08:43:52 1995  Doug Evans  <dje@canuck.cygnus.com>
5824
5825	* i960.c (i960_arg_size_and_align): Correct alignment of XFmode
5826	values in library calls.
5827	* i960.md (movdi matchers): Support odd numbered regs.
5828
5829Fri Jul 28 08:37:25 1995  Michael Gschwind  <mike@lanai.vlsivie.tuwien.ac.at>
5830
5831	* pdp11.md (divhi3, modhi3, divmodhi4): Rewrite.
5832
5833Wed Jul 26 10:15:52 1995  Hallvard B Furuseth  (h.b.furuseth@usit.uio.no)
5834
5835	* collect2.c (end_file): Fix typo in error message text.
5836
5837Wed Jul 26 09:22:22 1995  Jeff Law  (law@snake.cs.utah.edu)
5838
5839	* xm-pa.h (USE_C_ALLOCA): Always define.
5840	* xm-pahpux.h (USE_C_ALLOCA): Likewise.
5841
5842	* x-pa (CC): Remove useless definition.
5843	* xm-pa.h (HAVE_STRERROR): Define.
5844	(__BSD_NET2__): Define.
5845
5846Wed Jul 26 09:10:25 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
5847
5848	* expr.c (preexpand_calls): Don't look past a CLEANUP_POINT_EXPR.
5849
5850Wed Jul 26 08:43:42 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5851
5852	* cse.c (cse_insn): When do special handling for (set REG0 REG1),
5853	must delete REG_EQUAL note from insn if it mentions REG0.
5854
5855	* loop.c (find_and_verify_loops): When moving blocks of code, verify
5856	that the just destination is not in an inner nested loop.
5857	(mark_loop_jump): Don't mark label as loop exit if it jumps to
5858	an inner nested loop.
5859
5860Wed Jul 26 08:40:31 1995  Paul Eggert  <eggert@twinsun.com>
5861
5862	* cccp.c (do_include, read_name_map): Omit leading "./" and
5863	trailing "/" when it makes sense.
5864	(skip_redundant_dir_prefix): New function.
5865
5866Wed Jul 26 08:36:41 1995  Michael Meissner  <meissner@cygnus.com>
5867
5868	* stmt.c (emit_nop): Do not emit a nop if there is a single
5869	insn before a label or at the start of a function.
5870
5871Wed Jul 26 08:21:21 1995  Doug Evans  <dje@cygnus.com>
5872
5873	* Makefile.in (gfloat.h): Delete previous copy before updating.
5874
5875Wed Jul 26 08:18:29 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
5876
5877	* Makefile.in (STAGESTUFF): Add stamp-crtS.
5878	(crtbeginS.o, crtendS.o, stamp-crtS): New rules; just like
5879	crtbegin.o et al, but compiled using -fPIC.
5880	* configure (*-*-gnu*): Add crtbeginS.o and crtendS.o to $extra_parts.
5881
5882Wed Jul 26 08:11:52 1995  Michael Gschwind  <mike@java.vlsivie.tuwien.ac.at>
5883
5884	* pdp11.md: Fixed typos ('bhos' -> 'bhis').
5885
5886Wed Jul 26 08:05:41 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
5887
5888	* hp320.h, m68k.h, m68kv4.h (LEGITIMATE_PIC_OPERAND_P): Reject
5889	CONST_DOUBLE with MEM with invalid pic address.
5890	* reload1.c (real.h): Include it.
5891	* Makefile.in (reload1.o): Depends on real.h.
5892
5893Wed Jul 26 07:58:22 1995  Ian Lance Taylor  <ian@cygnus.com>
5894
5895	* gcc.c (MULTILIB_DIRS): Provide default if not defined.
5896	(multilib_defaults): New static variable.
5897	(default_arg): New static function.
5898	(set_multilib_dir): Ignore default arguments.
5899	(print_multilib_info): Ignore entries which use default arguments.
5900
5901Tue Jul 25 10:06:09 1995  Michael Meissner  <meissner@cygnus.com>
5902
5903	* rs6000.md (allocate_stack): Don't copy the LR register to
5904	the new stack end.
5905	* rs6000.c (rs6000_stack_info): Correctly store the LR in
5906	the caller's frame, not the current frame, for V.4 calls.
5907	* rs6000/eabi.asm (_save*, _rest*): Provide all mandated V.4 save
5908	and restore functions, except for the save*_g functions which
5909	return the GOT address.
5910
5911Fri Jul 21 14:24:25 1995  Michael Meissner  <meissner@cygnus.com>
5912
5913	* rs6000/eabi.h (__eabi): Load up r13 to be the small data
5914	pointer, unless -mrelocatable.
5915
5916	* rs6000/aix3newas.h (LINK_SPEC): Import machine independent
5917	functions if -mcpu=common.
5918	* rs6000/milli.exp: Import file referenced in aix3newas.h.
5919
5920	* rs6000/eabi.asm (__eabi): Support for fixing up user initialized
5921	pointers when -mrelocatable is used.
5922	* rs6000/eabi.h (ASM_OUTPUT_INT): Record any pointers initialized
5923	by the user if -mrelocatable, to be fixed up by __eabi.
5924	(CONST_SECTION_ASM_OP): If -mrelocatable, put read-only stuff in .data,
5925	not .rodata, to allow user initialized pointers to be updated by __eabi.
5926
5927	* rs6000.h (TARGET_SWITCHES): Add -mdebug-{stack,arg}.
5928	(TARGET_{ELF,NO_TOC,TOC}): Add defaults for non system V.
5929	(rs6000_stack): New structure to describe stack layout.
5930	(RS6000_{REG_SAVE,SAVE_AREA,VARARGS_*}): New macros used to
5931	support both AIX and V.4 calling sequences.
5932	(FP_ARG_*, GP_ARG_*): Ditto.
5933	(FP_SAVE_INLINE): Ditto.
5934	(STARTING_FRAME_OFFSET): Modify to support both AIX and V.4
5935	calling sequences.
5936	(FIRST_PARM_OFFSET): Ditto.
5937	(REG_PARM_STACK_SPACE): Ditto.
5938	(STACK_POINTER_OFFSET): Ditto.
5939	(FUNCTION_ARG_REGNO_P): Ditto.
5940	({,INIT_}CUMULATIVE_ARGS): Ditto.
5941	(LEGITIMATE_LO_SUM_ADDRESS_P): Ditto.
5942	(FUNCTION_ARG{,_ADVANCE,PARTIAL_NREGS,PASS_BY_REFERENCE}): Ditto.
5943	(SETUP_INCOMING_VARARGS): Ditto.
5944	(EXPAND_BUILTIN_SAVEREGS): Ditto.
5945	(CAN_ELIMINATE): Ditto.
5946	(INITIAL_ELIMINATION_OFFSET): Ditto.
5947	(LEGITIMATE_CONSTANT_POOL_{BASE,ADDRESS}_P): Ditto.
5948	(GO_IF_{LEGITIMATE_ADDRESS,MODE_DEPENDENT_ADDRESS}): Ditto.
5949	(LEGITIMIZE_ADDRESS): Ditto.
5950	(CONST_COSTS): Ditto.
5951	(ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Ditto.
5952	(ASM_OUTPUT_REG_{PUSH,POP}): Use reg_names to print registers.
5953	(function declarations): Add new rs6000.c function declarations,
5954	and delete decls of deleted functions.
5955	(SHIFT_COUNT_TRUNCATED): Parenthesize the expression.
5956
5957	* rs6000.c (init_cumulative_args): New function to support AIX
5958	and V.4 calling sequences.
5959	(function_arg{,_advance,partial_nregs,pass_by_reference}): Ditto.
5960	(setup_incoming_varargs): Ditto.
5961	(expand_builtin_saveregs): Ditto.
5962	(rs6000_stack_info): Ditto.
5963	(debug_stack_info): Ditto.
5964	(direct_return): Changes to support AIX and V.4 calling sequences.
5965	(first_reg_to_save): Ditto.
5966	(svr4_traceback): Ditto.
5967	(output_{prolog,epilog}): Ditto.
5968	(print_operand): Use reg_names to print registers.  Add support
5969	for V.4 HIGH/LO_SUM address modes.
5970	(must_save_cr): Function deleted, in rewrite of AIX/V.4 calling
5971	sequence support.
5972	(rs6000_sa_size): Ditto.
5973	(rs6000_pushes_stack): Ditto.
5974	(output_toc): Add abort if no toc.
5975
5976	* rs6000.md (call insns): Add a new argument to flag a V.4
5977	function needs to set bit 6 of the CR.
5978	(elf_{low,high}): New V.4 functions to create addresses via HIGH
5979	and LO_SUM patterns.
5980	(movsi): Use elf_{low,high} if appropriate.
5981	(mov{si,di}_update): Name these patterns for allocate_stack.
5982	(allocate_stack): Support for V.4 stack layout.
5983	(sync): New pattern for V.4 trampolines to issue the sync
5984	instruction.
5985
5986	* rs6000/sysv4.h (TARGET_SWTICHES): Add -mcall-{aix,sysv}, and
5987	-mprototype.  Remove separate flag bit for -mno-toc.
5988	(SUBTARGET_OVERRIDE_OPTIONS): Don't test for -mno-toc.
5989	(FP_ARG_*): Adjust for V.4 calling sequences.
5990	(RS6000_*): Ditto.
5991	(FP_SAVE_INLINE): Ditto.
5992	(toc_section): Eliminate use of AIX style full TOC.
5993	(TRAMPOLINE_{TEMPLATE,SIZE}): Redefine for V.4 support.
5994	(INITIALIZE_TRAMPOLINE): Ditto.
5995
5996	* rs6000/eabi.h (CPP_SPEC): Define _CALL_SYSV or _CALL_AIX,
5997	depending on whether -mcall-sysv or -mcall-aix was used.
5998	* rs6000/eabile.h (CPP_SPEC): Ditto.
5999	* rs6000/sysv4le.h (CPP_SPEC): Ditto.
6000
6001	* rs6000/t-eabigas (MULTILIB_{OPTIONS,DIRNAMES}): Delete no-toc
6002	libraries, explicit big endian libraries.
6003	* rs6000/t-ppcgas (MULTILIB_{OPTIONS,DIRNAMES}): Ditto.
6004
6005	* rs6000/t-eabiaix: New file for eabi, using -mcall-aix as the
6006	default.
6007	* rs6000/eabiaix.h: Ditto.
6008
6009	* rs6000/t-eabilegas: New file for eabi on little endian systems.
6010	* rs6000/t-ppclegas: New file for V.4 on little endian systems.
6011
6012	* rs6000/t-rs6000 (MULTILIB_{OPTIONS,DIRNAMES}): Build libgcc.a
6013	for -mcpu=common.
6014
6015	* configure (powerpc-*-eabiaix): New configuration for defaulting
6016	to old-style AIX calling sequence.
6017	(powerpcle*): Use new t-{eabi,ppc}legas files, to avoid building
6018	explicit little endian multilib libraries.
6019
6020Fri Jul 21 13:23:06 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6021
6022	* toplev.c (main): Don't define sbrk #ifdef __alpha__.
6023
6024Tue Jul 18 19:23:44 1995  Paul Eggert  <eggert@twinsun.com>
6025
6026	* cccp.c (do_include): Prefix -H output lines with spaces, not dots.
6027	(output_dots): Remove.
6028
6029	* cccp.c (main): cplusplus_comments now defaults to 1.
6030	But clear it if	-traditional or the new option -lang-c89 is given.
6031	* gcc.c (default_compilers, cpp): Specify -lang-c89 if -ansi is given.
6032	This turns off C++ comment recognition.
6033
6034Tue Jul 18 19:16:38 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6035
6036	* va-sparc.h (va_arg): Add support for 128 bit long double type.
6037
6038Tue Jul 18 19:11:18 1995  Jorn Rennecke  (amylaar@meolyon.hanse.de)
6039
6040	* c-common.c (decl_attributes, case A_ALIGNED): Handle is_type
6041	case properly.
6042
6043Tue Jul 18 19:03:02 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6044
6045	* fold-const.c (fold, case CONVERT_EXPR): Don't merge conversions
6046	if outer is to handle a type with differing precision.
6047
6048Mon Jul 17 14:37:35 1995  Pat Rankin  (rankin@eql.caltech.edu)
6049
6050	* vax/vms.h (HAVE_ATEXIT): Define.
6051	(DO_GLOBAL_CTORS_BODY): Don't call atexit; let __do_global_ctors do it.
6052	* vax/xm-vms.h (HAVE_VPRINTF): Define.
6053
6054Mon Jul 17 06:41:19 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6055
6056	* c-typeck.c ({unsigned,signed}_type): Handle intXX_type_node types.
6057
6058	* xm-alpha.h (sbrk): Add declaration.
6059
6060	* convert.c (convert_to_integer): If TYPE is an enumeral type or
6061	if its precision is not the same as the size of its mode,
6062	convert in two steps.
6063
6064	* m68k.md (tstdi, cmpdi): Use match_scratch, not match_operand.
6065
6066Fri Jul 14 19:23:42 1995  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
6067
6068	* c-decl.c (field_decl_cmp): Rewritten to make sure that a null
6069	name always sorts low against other names.
6070	* c-typeck.c (lookup_field): Change name comparison to match what
6071	field_decl_cmp does.
6072
6073Fri Jul 14 18:46:24 1995  Michael Meissner  <meissner@cygnus.com>
6074
6075	* rs6000.md (movsi): Convert a CONST_DOUBLE into a CONST_INT of
6076	the low part.
6077
6078Fri Jul 14 18:30:52 1995  Doug Evans  <dje@cygnus.com>
6079
6080	* toplev.c (main): Reword dwarf/c++/-g warning.
6081
6082Fri Jul 14 18:19:34 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6083
6084	* expr.h (NO_DEFER_POP): Remove last change.
6085	* expr.c (stor_expr): Force stack adjust before NO_DEFER_POP.
6086	(expand_expr, case COND_EXPR): Likewise.
6087	* stmt.c (expand_start_stmt_expr): Likewise.
6088
6089Fri Jul 14 07:58:35 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6090
6091	* function.c (struct temp_slot): New fields base_offset, full_size.
6092	(assign_stack_temp): For !FRAME_GROWS_DOWNWARD, set p->size to size.
6093	Set new fields base_offset and full_size.
6094	(combine_temp_slots): Use new fields base_offset and full_size instead
6095	of slot and size.
6096
6097	* loop.c (loop_number_exit_count): New global variable.
6098	(loop_optimize): Allocate space for it.
6099	(find_and_verify_loops, mark_loop_jump): Set it.
6100	(strength_reduce, check_dbra_loop): Use loop_number_exit_count
6101	instead of loop_number_exit_labels.
6102	* loop.h (loop_number_exit_count): Declare it.
6103	* unroll.c (find_splittable_{regs,givs}, final_[bg]iv_value): Use
6104	loop_number_exit_count instead of loop_number_exit_labels.
6105	(reg_dead_after_loop): Check loop_number_exit_count, and fail
6106	if the count doesn't match loop_number_exit_labels.
6107
6108	* cse.c (cse_insn): Ifdef out code that pre-truncates src_folded.
6109
6110	* sparc.md (sethi_di_sp64): Return null string at end.
6111
6112	* function.h (struct function): Add stdarg field.
6113	* function.c (current_function_stdarg): New global variable.
6114	(push_function_context_to): Save it.
6115	(pop_function_context_from): Restore it.
6116	(assign_parms): Set it.
6117	(init_function_start): Clear it.
6118	* output.h (current_function_stdarg): Declare it.
6119	* i960.md: Modify all patterns which handle stores to memory to also
6120	check current_function_varargs and current_function_stdarg.
6121
6122	* reorg.c (fill_simple_delay_slots): When trying to take instruction
6123	from after the branch, don't continue past target label.  Local
6124	variables passed_label and target_uses are no longer necessary.
6125
6126Thu Jul 13 19:30:04 1995  Jeff Law  (law@snake.cs.utah.edu)
6127
6128	* pa.c (output_bb): Fix error in long backwards branch with
6129	nullified delay slot.
6130
6131Thu Jul 13 19:26:13 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6132
6133	* expmed.c (SHIFT_COUNT_TRUNCATED): Use #ifdef not #if.
6134
6135Mon Jul 10 20:16:44 1995  Paul Eggert  <eggert@twinsun.com>
6136
6137	* cccp.c (rescan): Don't address outside of array when
6138	preprocessing C++ comments.
6139
6140Mon Jul 10 20:05:46 1995  Michael Meissner  <meissner@tiktok.cygnus.com>
6141
6142	* rs6000.c (expand_block_move): Remove #if 0 conditionals
6143	against using larger block moves.
6144
6145	* t-rs6000 (EXTRA_PARTS): Copy milli.exp to release dir.
6146	(milli.exp): Copy to build dir from machine dependend dir.
6147
6148Mon Jul 10 20:03:29 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
6149
6150	* arm.md (matcher for (shiftable_op (cond-exp) (reg))): If
6151	shiftable_op is minus, then subtract from zero when cond fails.
6152
6153Mon Jul 10 19:58:26 1995  John F. Carr <jfc@mit.edu>
6154
6155	* sparc.h (SELECT_SECTION): Use TREE_CODE_CLASS instead of directly
6156	referencing tree_code_type.
6157
6158Mon Jul 10 19:54:31 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6159
6160	* protoize.c (reverse_def_dec_list): Delete const qualifiers from
6161	local variables, and delete casts which were casting away const.
6162
6163Mon Jul 10 19:14:39 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6164
6165	* c-lang.c (finish_file): Add missing parm to start_function call.
6166
6167	* jump.c (jump_optimize): Pass outer_code arg to rtx_cost.
6168
6169	* varasm.c (assemble_name, bc_assemble_integer): Call
6170	bc_emit_labelref with proper args.
6171
6172	* function.c (setjmp_args_warning): Remove bogus arg.
6173
6174Mon Jul 10 18:20:54 1995  Fergus Henderson  (fjh@cs.mu.oz.au)
6175
6176	* gcc.c (p{fatal,error}_with_name, perror_exec): Quote filename.
6177
6178Mon Jul 10 18:12:51 1995  Gran Uddeborg (uddeborg@carmen.se)
6179
6180	* i386/iscdbx.h (STARTFILE_SPEC): Handle -Xp.
6181
6182Wed Jul  5 02:42:17 1995  Per Bothner  (bothner@spiff.gnu.ai.mit.edu)
6183
6184	* cpphash.h (enum node_type):  Remove unneeded and non-standard
6185	forward declaration.
6186
6187Sat Jul  1 20:15:39 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6188
6189	* mips/t-mips, mips/t-mips-gas (MULTILIB_*, LIBGCC, INSTALL_LIBGCC):
6190	Delete.
6191
6192	* sparc/sol2.h (LINK_SPEC): Revert March 16 change.  Do not add -R
6193	for each -L.
6194
6195	* collect2.c (libcompare): Verify that file name extensions are valid.
6196	Put files with invalid extensions last in the sort.
6197
6198	* integrate.c (integrate_decl_tree): Set DECL_ABTRACT_ORIGIN before
6199	pushdecl call for local variables.
6200
6201Sat Jul  1 08:13:38 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
6202
6203	* cpplib.c (output_line_command): If not emitting #line directives
6204	delay returning until after adjust_position has been called.
6205
6206	* arm.md (mov{si,sf,df}cc): Call gen_compare_reg to generate
6207	the condition code register.
6208
6209Sat Jul  1 06:55:09 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6210
6211	* fold-const.c (decode_field_reference): New parm PAND_MASK.
6212	(unextend): New parm MASK.
6213	(fold_truthop): Pass new parms to decode_field_reference and unextend.
6214
6215	* va-alpha.h (__va_tsize): Use __extension__ to avoid warning
6216	on use of `long long'.
6217
6218	* expr.h (NO_DEFER_POP): Do any pending stack adjusts.
6219
6220	* recog.c (register_operand): Disallow subreg of reg not allowed to
6221	change size.
6222
6223Thu Jun 29 05:51:57 1995  Jeff Law  (law@snake.cs.utah.edu)
6224
6225	* pa.md (reload addsi3): New pattern to avoid reload lossage
6226	with register eliminations.
6227
6228	* pa.c (output_cbranch): When checking for a jump to the given
6229	insn's delay slot, handle the case where JUMP_LABEL for the
6230	given insn does not point to the first label in a series of
6231	labels.
6232	(output_bb, output_dbra, output_movb): Likewise.
6233
6234Wed Jun 28 18:04:56 1995  Jeff Law  (law@snake.cs.utah.edu)
6235
6236	* pa.h (PIC_OFFEST_TABLE_REGNUM_SAVED): Define to %r4.
6237	(CONDITIONAL_REGISTER_USAGE): Make it fixed when compiling
6238	PIC code.
6239	(INIT_EXPANDERS): Delete.
6240	* pa.c (hppa_save_pic_table_rtx): Delete variable.
6241	(hppa_expand_prologue): For PIC generation, copy the PIC
6242	register into a fixed callee register at the end of the
6243	prologue of non-leaf functions.
6244	* pa.md (call expanders): Reload the PIC register from the
6245	fixed callee saved register.  Don't try to save the PIC
6246	register before the call.
6247
6248Wed Jun 28 18:01:14 1995  Stan Cox  (coxs@dg-rtp.dg.com)
6249
6250	* m88k/dguxbcs.h (ASM_SPEC): Removed -h flag.
6251	* m88k/dgux.h (ASM_SPEC): Likewise.
6252
6253Wed Jun 28 17:01:58 1995  David Edelsohn  <edelsohn@mhpcc.edu>
6254
6255	* rs6000.c (processor_target_table): Remove CPU name synonyms.
6256	* rs6000.h (CPP_SPEC): Likewise.
6257	* rs6000/sysv4.h (CPP_SPEC): Likewise.
6258	(ASM_SPEC): Likewise.
6259	* rs6000/sysv4le.h (CPP_SPEC): Likewise.
6260	* rs6000/eabile.h (CPP_SPEC): Likewise.
6261	* rs6000/powerpc.h (CPP_SPEC): Likewise.
6262	(ASM_SPEC): Set assembler target according to compiler target.
6263	* rs6000/aix3newas.h (CPP_SPEC): Likewise.
6264	(ASM_SPEC): Likewise.
6265	* rs6000/aix41.h (CPP_SPEC): Likewise.
6266	(ASM_SPEC): Likewise.
6267
6268Wed Jun 28 16:25:53 1995  Gran Uddeborg  (uddeborg@carmen.se)
6269
6270	* i386/x-isc3 (INSTALL_HEADERS_DIR): Delete; done by configure.
6271
6272Wed Jun 28 16:10:47 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
6273
6274	* xm-rs6000.h (alloca): Extern decl added for non-GNU compiler.
6275
6276Wed Jun 28 11:31:30 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6277
6278	* cpplib.c (progname): Remove definition from here.
6279
6280	* final.c (final_scan_insn): Fix error in last change.
6281
6282	* rtlanal.c (reg_set_p_1): Now static; add extra parm.
6283
6284	* stmt.c: Delete redundant forward decls.
6285	(expand_anon_union_decl): Correctly call expand_decl.
6286
6287	* toplev.c (strip_off_ending): Strip off any ending; don't
6288	pretend we know what valid endings are.
6289
6290	* svr4.h (ASM_OUTPUT_SECTION_NAME): Don't crash if DECL is null.
6291
6292	* rs6000.md ({load,store}_multiple): Don't use indirect_operand
6293	in define_insn; use explicit MEM of register_operand instead.
6294
6295Tue Jun 27 11:42:56 1995  Stephen L Moshier  <moshier@world.std.com>
6296
6297	* i386/i386.c (print_operand, case `J'): Use jns for GE and js for
6298	LT.
6299
6300Tue Jun 27 07:58:55 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
6301
6302	* expr.c (expand_expr, TARGET_EXPR): Only use original_target
6303	if !ignore.
6304
6305Tue Jun 27 07:27:26 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6306
6307	* fold-const.c (fold_truthop): Commute unextend and convert on
6308	l_const and r_const.
6309
6310	* c-common.c (decl_attributes, case A_CONSTRUCTOR, A_DESTRUCTOR):
6311	Set TREE_USED.
6312
6313	* final.c (final_scan_insn): Don't call alter_cond unless
6314	condition is on cc0.
6315
6316	* stmt.c (expand_asm_operands): Handle input operands that may not
6317	be in a register.
6318
6319Mon Jun 26 19:23:05 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
6320
6321	* arm/lib1funcs.asm (L_dvmd_tls): Renamed from L_divmodsi_tools.
6322	* arm/t-semi (LIB1ASMFUNCS): Rename _dvmd_tls from _divmodsi_tools.
6323
6324Mon Jun 26 19:18:06 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6325
6326	* unroll.c (find_splittable_regs): When completely unrolling loop,
6327	check for non-invariant initial biv values.
6328
6329Mon Jun 26 19:13:54 1995  Gran Uddeborg  <uddeborg@carmen.se>
6330
6331	* configure (i[345]86-*-isc*): Fix misspelled "rfile" to "ifile".
6332
6333Mon Jun 26 18:58:22 1995  Mike Stump  <mrs@cygnus.com>
6334
6335	* expr.c (expand_expr, case COND_EXPR): Protect the condition from
6336	being evaluated more than once.
6337	(do_jump, case TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR): Likewise.
6338
6339Mon Jun 26 18:52:36 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
6340
6341	* fixincludes (string.h):  Fix return value for mem{ccpy,chr,cpy,set}
6342	and str{len,spn,cspn} on sysV68.
6343
6344Mon Jun 26 06:54:50 1995  Michael Meissner  (meissner@cygnus.com)
6345
6346	* i386/osfrose.h (LONG_DOUBLE_TYPE_SIZE): Go back to making long
6347	double == double.
6348
6349Thu Jun 22 19:14:41 1995  Pat Rankin  (rankin@eql.caltech.edu)
6350
6351	* make-cc1.com (if DO_LINK): Skip c-parse.* processing when
6352	only relinking.
6353	(gas_message): Update to reflect current version, and give
6354	a different message if/when no version of gas is found.xo
6355
6356Thu Jun 22 18:52:37 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
6357
6358	* arm/lib1funcs.asm (___modsi3): Correctly set SIGN register for
6359	modulo involving negative numbers.
6360
6361Thu Jun 22 18:32:27 1995  Uwe Seimet  (seimet@chemie.uni-kl.de)
6362
6363        * xm-atari.h (HZ): Now 100 and don't define if already defined.
6364
6365Thu Jun 22 18:26:12 1995  Jeffrey A Law  (law@snake.cs.utah.edu)
6366
6367	* calls.c (expand_call): Correctly handle returning BLKmode
6368	structures in registers when the size of the structure is not
6369	a multiple of word_size.
6370	* stmt.c (expand_return): Likewise.
6371
6372	* pa-gux7.h (LIB_SPEC): Undefine before redefining.
6373	* pa-hpux.h (LIB_SPEC): Likewise.
6374	* pa-hpux7.h (LIB_SPEC): Likewise.
6375
6376	* genmultilib: Work around hpux8 /bin/sh case bug.
6377
6378	* pa.h (LIB_SPEC): Define to avoid -lg.
6379
6380Thu Jun 22 18:19:09 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
6381
6382	* expr.c (expand_expr, TARGET_EXPR): Use original_target.
6383
6384	* collect2.c (locatelib): Fix parsing of LD_LIBRARY_PATH.
6385
6386Thu Jun 22 18:15:54 1995  Paul Eggert  <eggert@twinsun.com>
6387
6388	* configure: Create an empty Makefile.sed first, to work
6389	around a Nextstep 3.3 bug.
6390
6391Thu Jun 22 18:03:44 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6392
6393	* Makefile.in (STAGESTUFF): Add stamp-crt.
6394	(crtbegin.o, crtend.o): Now depend on stamp-crt.
6395	(stamp-crt): New rule, to actually build crt{begin,end}.o.
6396
6397	* collect2.c (main): Unlink export_file before we return.
6398
6399Thu Jun 22 14:25:56 1995  Michael Meissner  (meissner@cygnus.com)
6400
6401	* rs6000.h (STRIP_NAME_ENCODING): Store NAME and strlen(NAME) into
6402	local variables; cast result of alloca to avoid compiler warnings.
6403
6404Tue Jun 20 18:25:29 1995  Douglas Rupp  (drupp@cs.washington.edu)
6405
6406	* alpha/config-nt.sed, i386/config-nt.sed: Edit to add
6407	a missing $(exeext) for CCCP.
6408
6409Tue Jun 20 18:18:00 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6410
6411	* protoize.c (default_include): Use name and two ints to be
6412	compatible with definition of INCLUDE_DEFAULTS.
6413
6414Mon Jun 19 19:24:29 1995  Ted Lemon  <mellon@toccata.fugue.com>
6415
6416      * mips/netbsd.h (ASM_DECLARE_FUNCTION_NAME): Don't emit function label.
6417
6418Mon Jun 19 18:34:55 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
6419
6420	* fixincludes: Don't define wchar_t under C++.
6421
6422Mon Jun 19 17:12:41 1995  Paul Eggert  <eggert@twinsun.com>
6423
6424	* cccp.c (collect_expansion): Work around enum bug in vax
6425	ultrix 4.3 pcc.
6426	* tree.c (simple_cst_equal): Likewise.
6427
6428Mon Jun 19 16:53:00 1995  Douglas Rupp  (drupp@cs.washington.edu)
6429
6430	* winnt/spawnv.c: New file.
6431
6432Mon Jun 19 16:30:29 1995  Glenn Brown  <glenn@mars.myri.com>
6433
6434 	* caller-save.c (save_call_clobbered_regs): If AUTO_INC_DEC, mark
6435	register indicated by REG_INC notes as live so they will be saved.
6436
6437Mon Jun 19 16:21:12 1995  Jeffrey A Law  (law@snake.cs.utah.edu)
6438
6439	* pa.h (PRINT_OPERAND_ADDRESS, case LOW_SUM): Fix logic bug
6440	in last change.
6441
6442Mon Jun 19 14:11:49 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6443
6444	* integrate.c (integrate_decl_tree): Only set DECL_ABSTRACT_ORIGIN
6445	if the decl returned by pushdecl is the one we started with.
6446
6447	* mips.h (current_function_name): Delete declaration.
6448	(ASM_DECLARE_FUNCTION_NAME): Don't set current_function_name.
6449	* gnu.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
6450	* mips.c (current_function_decl): Delete declaration.
6451	(function_prologue): New variable fnname.  Use it instead of
6452	current_function_name.
6453	(function_epilogue): Likewise.
6454
6455Mon Jun 19 13:13:15 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6456
6457	* alpha.h (ASM_OUTPUT_ASCII): Always reset line count when
6458	starting new line.
6459
6460	* scan-decls.c (scan_decls): Fix typo when resetting PREV_ID_START.
6461
6462	* i386/config-nt.sed, alpha/config-nt.sed: Change version to 2.7.1.
6463
6464Mon Jun 19 13:06:14 1995  DJ Delorie  (dj@delorie.com)
6465
6466	* msdos/top.sed: Support new build variables.
6467	* msdos/configur.bat: Make options.h and specs.h.
6468	Change realclean to maintainer-clean.
6469
6470Fri Jun 16 06:54:03 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6471
6472	* Version 2.7.0 Released.
6473
6474	* obstack.c: Always enable this code for now.
6475
6476	* alpha.c (alpha_builtin_saveregs): Use ptr_mode and conversions
6477	when need so works for both OSF and NT.
6478	* va-alpha.h (__va_tsize): Round to long long not long.
6479
6480Thu Jun 15 17:54:52 1995  Bdale Garbee  <bdale@gag.com>
6481
6482	* configure (a29k-*-coff): Synonym for a29k-*-udi.
6483
6484Thu Jun 15 17:51:21 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6485
6486	* function.c (assign_parms): Do all conversions in CONVERSION_INSNS.
6487
6488Thu Jun 15 17:36:49 1995  Michael Meissner  <meissner@cygnus.com>
6489
6490	* reg-stack.c (record_reg_life): Call record_reg_life_pat with 0
6491	for douse argument so that USE's created to mark variables within
6492	blocks don't get marked as set.
6493
6494Thu Jun 15 06:28:15 1995  Dennis Glatting  (dennisg@CyberSAFE.COM)
6495
6496	* configure: Change one sed command to work around m68k-next bug.
6497
6498Wed Jun 14 22:14:39 1995  Jason Merrill  <jason@deneb.cygnus.com>
6499
6500	* collect2.c (main): Don't turn off auto_export because of -g.
6501	(main): Ignore the argument to -o.
6502
6503	* alpha.h (LINK_SPEC): Don't pass -init __main anymore.
6504	* alpha/osf12.h (LINK_SPEC): Ditto.
6505	* mips/iris5.h (LINK_SPEC): Ditto.
6506
6507	* collect2.c (main): Place o_file after an initial .o (like crt0.o).
6508	If we have LD_INIT_SWITCH, use init and fini functions for
6509	executables, too.  Specify the unique function names.
6510	(write_c_file_stat): Fix the case of destructors but no constructors.
6511	Don't include the generic-named functions for executables.
6512	(write_c_file): If we have LD_INIT_SWITCH, always use
6513	write_c_file_stat.
6514
6515	* collect2.c (main): Also add _GLOBAL__D? to export list.
6516
6517	* ginclude/iso646.h: Do nothing if compiled as C++.
6518
6519Wed Jun 14 17:39:10 1995  Roland McGrath  (roland@gnu.ai.mit.edu)
6520
6521	* c-common.c (format_char_info, case 'm'): Set type to void.
6522	(check_format_info): If type is void, ignore operand.
6523
6524Wed Jun 14 17:04:10 1995  Paul F. Kunz  (Paul_Kunz@SLAC.Stanford.EDU)
6525
6526	* expr.c (expand_builtin_apply_args): Put back original
6527	register save and restore order.
6528
6529Wed Jun 14 16:56:22 1995  Michael Meissner  <meissner@cygnus.com>
6530
6531	* rs6000/eabi.h (INVOKE__main): Define, so __eabi is called after
6532	main's arguments are saved.
6533
6534	* rs6000.c (output_prolog): Don't call __eabi here, let
6535	compiler call it after the arguments to main are saved.
6536	(output_{prolog,epilog}): Don't use functions under V.4 to save
6537	and restore floating point registers.
6538
6539Wed Jun 14 16:52:12 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
6540
6541	* m68k/mot3300.h (PCC_BITFIELD_TYPE_MATTERS): Defined.
6542
6543Wed Jun 14 16:48:53 1995  Jerry Frain  (jerry@tivoli.com)
6544
6545	* Makefile.in (stage[1-4]): Correctly link `as', `ld', and `collect2'.
6546
6547Wed Jun 14 05:52:04 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6548
6549	* objc-act.c (hack_method_prototype): Set DECL_CONTEXT of parms.
6550
6551	* expmed.c (emit_store_flag): Always set LAST.
6552
6553	* c-decl.c (start_function): New parameter for attributes.
6554	* c-tree.h (start_function): Likewise.
6555	* c-lang.c (finish_file): Pass extra parm to start_function.
6556	* objc-act.c (build_module_descriptor, really_start_method): Likewise.
6557	* c-parse.in (fndef, nested_function, notype_nested_function):
6558	Likewise.
6559
6560	* function.c (assign_parms): Use convert_to_mode instead of
6561	gen_lowpart when converting incoming parm.
6562
6563Tue Jun 13 19:10:32 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6564
6565	* rs6000.md (decrement_and_branch): Finish last fix; update matching
6566	constraint.
6567
6568Tue Jun 13 18:32:51 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
6569
6570	* fold-const.c (fold): When converting a COND_EXPR to an ABS_EXPR,
6571	get the types right for ABS_EXPR to work.
6572
6573Mon Jun 12 17:09:55 1995  Michael Tiemann  (tiemann@axon.cygnus.com)
6574
6575	* reorg.c (fill_simple_delay_slots): Set MAYBE_NEVER according to
6576	code of TRIAL_DELAY, not TRIAL.
6577
6578Mon Jun 12 15:02:37 1995  Doug Evans  <dje@cygnus.com>
6579
6580	* configure: Restore code to make ld symlink if ! use_collect2.
6581
6582	* gcc.c (link_command_spec): Undo patch of May 11.
6583	-nostdlib implies -nostartfiles again.
6584	* dsp16xx.h (CROSS_LINK_SPEC): Likewise.
6585	* i386/freebsd.h (LINK_SPEC): Undo patch of May 24.
6586	Don't pass "-e start" if nostdlib.
6587	* i386/sun.h (LINK_SPEC): Likewise.
6588	* m68k/sun2o4.h (LINK_SPEC): Likewise.
6589	* m68k/sun3.h (LINK_SPEC): Likewise.
6590	* m68k/vxm68k.h (LINK_SPEC): Likewise.
6591	* mips/netbsd.h (LINK_SPEC): Likewise.
6592	* config/netbsd.h (LINK_SPEC): Likewise.
6593	* rs6000/mach.h (LINK_SPEC): Likewise.
6594	* sparc.h (LINK_SPEC): Likewise.
6595	* sparc/vxsparc.h (LINK_SPEC): Likewise.
6596
6597	* gcc.c (link_command_spec): New argument -nodefaultlibs.
6598
6599Sun Jun 11 20:47:53 1995  Stephen L Moshier  (moshier@world.std.com)
6600
6601	* Makefile.in (fix-header.o): Depends on xsys-protos.h.
6602
6603Sun Jun 11 15:07:58 1995  Tim Carver  (timc@ibeam.intel.com)
6604
6605	* reload1.c (emit_reload_insns): Don't call HARD_REGNO_NREGS
6606	on psuedo when clearing reg_last_reload_reg.
6607
6608Sun Jun 11 14:07:05 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
6609
6610	* m68k.md ({add,sub}di{_mem,3}): Patterns merged.
6611
6612Sun Jun 11 13:43:26 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
6613
6614	* m68k.md (cmpdi matcher): Set cc_status before returning.
6615
6616	* config/xm-freebsd.h (DONT_DECLARE_SYS_SIGLIST): Define.
6617
6618Sun Jun 11 13:38:49 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
6619
6620	* fixincludes (math.h):  Keep declaration of abs on HPUX.
6621
6622Sun Jun 11 12:31:42 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6623
6624	* stor-layout.c (variable_size): Do nothing if SIZE is constant.
6625
6626	* stmt.c (expand_asm_operands): See if output operand permits
6627	register.  If not, mark output addressable, call expand_operand
6628	on it, and give error if not MEM.
6629
6630	* function.c (assign_parms): Handle promotions of both
6631	passed and nominal modes separately and insert needed conversions.
6632	(promoted_input_arg): Return 0 if nominal and passed modes differ.
6633
6634	* stmt.c (all_cases_count, case INTEGER_TYPE): Fix typo in checking
6635	for integer bounds.
6636
6637Sat Jun 10 08:55:25 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6638
6639	* libgcc2.c (_floatdidf): Correctly set float sizes.
6640
6641	* c-decl.c (c_decode_option, case "-Wall"): Don't set extra_warnings.
6642
6643	* Makefile.in (cpplib.o, fix-header.o): Update dependencies.
6644	(cpperror.o, cppexp.o, cpphash.o): New rules, to show .h dependencies.
6645
6646Fri Jun  9 18:06:10 1995  Doug Evans  <dje@canuck.cygnus.com>
6647
6648	* cse.c (cse_basic_block): Fix test for whether block ends with a
6649	barrier.  Return next insn, not 0, if block ends in a barrier.
6650
6651Fri Jun  9 17:58:29 1995  Paul Eggert  <eggert@twinsun.com>
6652
6653	* fold-const.c (lshift_double): Replace `&' with `%' to fix typo.
6654	([lr]shift_double): Truncate shift count only if SHIFT_COUNT_TRUNCATED.
6655	Remove unnecessary `count >= prec' test.
6656
6657	* cexp.y (left_shift): Ignore integer overflow.
6658
6659	* cexp.y (skip_evaluation): New variable.
6660	(&&, ||, ?:): Increment it in unevaluated subexpressions.
6661	(/, %, integer_overflow): Suppress diagnostics if skip_evaluation != 0.
6662	(yyerror): Clear skip_evaluation.
6663
6664Fri Jun  9 17:49:05 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
6665
6666	* m68k.md (tstdi): Rewrite.
6667
6668Fri Jun  9 17:28:55 1995  Per Bothner  <bothner@cygnus.com>
6669
6670	* scan-decls.c (scan_decls):  Handle declarations with
6671	multiple comma-separated declarators.
6672
6673Thu Jun  8 19:16:12 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
6674
6675	* arm.md (mov[sd]f expands): Don't allow fp constants in pseudos
6676	when TARGET_SOFT_FLOAT.
6677
6678Thu Jun  8 19:11:43 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6679
6680	* expmed.c (store_split_bit_field): When adjust arg in
6681	BYTES_BIT_ENDIAN case, use number of bits in arg for MEM operands
6682	and BITS_PER_WORD for other operands.
6683	(extract_fixed_bit_field): Undo last change.
6684
6685	* unroll.c (verify_addresses): New function.
6686	(find_splittable_givs): Use it instead of memory_address_p.
6687
6688Thu Jun  8 18:58:18 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
6689
6690	* expmed.c (expand_divmod): Always check result of emit_store_flag.
6691
6692Thu Jun  8 12:02:34 1995  David D Zuhn  (zoo@armadillo.com)
6693
6694	* cpplib.c (cpp_push_buffer): Include filename in error message.
6695
6696Thu Jun  8 11:53:45 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6697
6698	* function.c (assign_parms): Don't call promote_mode on arg
6699	unless PROMOTE_FUNCTION_ARGS defined.
6700
6701	* rs6000.md (decrement_and_branch): Ensure label is operand 0.
6702
6703	* rs6000.md (aux_truncdfsf2): New pattern.
6704	(movsf): Use it instead of invalid SUBREG and truncdfsf2.
6705
6706	* varasm.c (assemble_name): Disable warn_id_clash around
6707	get_identifier call.
6708
6709Wed Jun  7 17:22:25 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
6710
6711	* configure (gdb_needs_out_file_path): New variable.
6712	(m68k-motorola-sysv): Set gdb_needs_out_file_path if not using gas.
6713	(.gdbinit): If gdb_needs_out_file_path is set, add a 'dir' command
6714	for $(out_file).
6715
6716Wed Jun  7 17:17:19 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
6717
6718	* fold-const.c (fold): When folding `<' type nodes, make true_value
6719	and false_value have correct types.
6720
6721Wed Jun  7 05:06:42 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
6722
6723	* collect2.c (COFF scan_prog_file): Use the AIX duplicate entry.
6724
6725Tue Jun  6 18:43:09 1995  Jeffrey A Law  (law@snake.cs.utah.edu)
6726
6727	* pa.h (FUNCTION_ARG_CALLEE_COPIES): Define.
6728
6729Tue Jun  6 18:21:18 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6730
6731	* expr.c (expand_expr, case PLACEHOLDER_EXPR): Consider two types
6732	identical if their TYPE_MAIN_VARIANTs are the same.
6733
6734	* c-decl.c (start_decl): Set DECL_COMMON before calling
6735	decl_attributes.
6736
6737	* a29k.c (print_operands): Cast args to bcopy to char *.
6738
6739	* c-decl.c (duplicate_decls): Don't clear DECL_CONTEXT of
6740	new decl if it is a function.
6741
6742Tue Jun  6 17:57:44 1995  Eberhard Mattes  (mattes@azu.informatik.uni-stuttgart.de)
6743
6744	* gcc.c (do_spec_1, case 'g'): Handle %O as suffix if MKTEMP_EACH_FILE.
6745
6746Tue Jun  6 17:53:05 1995  Michael Meissner  <meissner@cygnus.com>
6747
6748	* rs6000.c (expand_block_move): Update source and destination pointers
6749	inside the loop moving the bytes, not outside.
6750
6751Tue Jun  6 14:58:37 1995  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
6752
6753	* m68k.h (CONDITIONAL_REGISTER_USAGE): Don't mark pic reg as fixed.
6754	* m68k.c (finalize_pic): Emit USE insn at start and end of function.
6755
6756Tue Jun  6 13:46:57 1995  Jim Wilson  <wilson@mole.gnu.ai.mit.edu>
6757
6758	* sh.c (print_operand): Check for annulled branches.
6759	(output_movedouble): Handle SUBREG addresses.
6760	(output_branch): Handle annulled branches.
6761	(sh_expand_prologue): Correct number of saved registers for
6762	varargs functions.
6763	* sh.h: Add some comments.
6764	* sh.md: Add some comments.  Cleanup formatting.
6765	(type attribute): Add pstore and call.
6766	(return define_delay): Reorganize to make clearer.
6767	(call/sfunc define_delay): Define.
6768	(cbranch define_delay): Define to have annul-true delay slot.
6769	(subsi3): Use arith_reg_operand for operand 2.
6770	(shift patterns): Use const_int_operand instead of immediate_operand
6771	for shift counts.
6772	(push): Add pstore constraint case.
6773	(movsi_i): Move t/z constraint pair to the front of the list.
6774	(calli, call_valuei): Add "call" attribute.
6775
6776Mon Jun  5 19:23:13 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6777
6778	* sched.c (attach_deaths): In last change, use find_reg_note instead
6779	of find_regno_note.
6780
6781Mon Jun  5 19:17:31 1995  Tom Quiggle  (quiggle@lovelace.engr.sgi.com)
6782
6783	* mips/iris5.h (MACHINE_TYPE): Say "IRIX 5.x", not "5.0".
6784	(NO_DOLLAR_IN_LABEL): Undefine.
6785	* mips.h (sdb_begin_function_line): New declaration.
6786	(PUT_SDB_FUNCTION_END): New definition.
6787
6788Mon Jun  5 18:56:10 1995  Michael Meissner  <meissner@cygnus.com>
6789
6790	* rs6000.c (expand_block_move): Don't do block moves where we clobber
6791	fixed numbers of regs, instead move just 1-8 bytes at a time.
6792
6793	* Makefile.in (STAGESTUFF): Copy files produced by -da and
6794	-save-temps to the stage subdirectories.
6795
6796Mon Jun  5 08:18:46 1995  Torbjorn Granlund  <tege@bozo.matematik.su.se>
6797
6798	* combine.c (reg_dead_at_p): When scanning backwards, stop at BARRIER.
6799
6800	* m68k.c (print_operand): Handle 'R' for registers.
6801	* m68k.md (cmpdi): Rewrite to avoid bogus matching constraints.
6802
6803	* optabs.c (expand_binop): In last change, don't defererence TARGET
6804	if it is 0.
6805
6806	* pa.md (movsicc): Use MATCH_DUP for operand 4 and 5.
6807
6808Mon Jun  5 08:14:56 1995  Jeffrey A Law  (law@cs.utah.edu)
6809
6810	* pa.c (hppa_encode_label): Allocate stuff on permanent_obstack
6811	rather than via malloc.
6812
6813	* c-common.c (decl_attributes): Fix typo in size passed to alloca.
6814
6815Mon Jun  5 08:10:55 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6816
6817	* alpha.md: Use "some_operand" for patterns valid only during
6818	reload and meant to handle adding more PLUS operators during
6819	register elimination.
6820
6821Mon Jun  5 07:31:53 1995  Stephen L Moshier  (moshier@world.std.com)
6822
6823	* cse.c (simplify_unary_operation, case FLOAT, UNSIGNED_FLOAT):
6824	Truncate to requested mode.
6825
6826Sat Jun  3 22:08:51 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6827
6828	* sched.c (attach_deaths): Don't add a REG_DEAD note if a REG_UNUSED
6829	note is already present.
6830
6831Sat Jun  3 18:36:57 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6832
6833	* pa.h (hppa_builtin_saveregs): Add declaration.
6834
6835Sat Jun  3 18:11:26 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
6836
6837	* Makefile.in (scan-decls.o):  Depends on cpplib.h.
6838
6839Fri Jun  2 19:23:47 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6840
6841	* optabs.c (expand_binop): Don't use non-REG TARGET in 2-word case.
6842
6843Thu Jun  1 19:30:30 1995  Tor Egge  (tegge@flipper.pvv.unit.no)
6844
6845	* m88k.h (RETURN_POPS_ARGS): New argument.
6846	* m88k/dolphin.ld: Added start of comment.
6847
6848Thu Jun  1 19:12:28 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6849
6850	* configure (a29k-*-bsd*): Fix typo in last change.
6851
6852Thu Jun  1 18:51:53 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
6853
6854	* expmed.c (extract_fixed_bit_field): For REG case, compute total_bits
6855	from mode instead of assuming BITS_PER_WORD.
6856
6857Thu Jun  1 18:34:31 1995  Michael Meissner  <meissner@cygnus.com>
6858
6859	* rs6000.h (FIXED_R13): Default to 0.
6860	({FIXED,CALL_USED}_REGISTERS): Use FIXED_R13 for register 13.
6861	* sysv4.h (FIXED_R13): Define to be 1.
6862
6863Wed May 31 20:57:26 1995  Torbjorn Granlund  <tege@matematik.su.se>
6864
6865	* m68k.md ([su]mulsi3_highpart): Pass correct number of arguments to
6866	const_uint32_operand.
6867	* m68k.c (const_uint32_operand): Reject negative numbers.
6868
6869	* expmed.c (expand_mult_highpart): Use wide_op1 for all multiplies.
6870	(expand_divmod): Undo Nov 12 change.  Instead, add special case
6871	for division by MIN_INT in signed TRUNC_DIV_EXPR case.
6872
6873Wed May 31 20:44:21 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
6874
6875	* m68k.md (one_cmpldi2): New pattern.
6876	({a,l}shrdi{3,_const}): Allow 63 as shift count.
6877
6878Wed May 31 14:56:31 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6879
6880	* varasm.c (assemble_start_function, assemble_variable):
6881	Make sure first_global_object_name is in permanent obstack.
6882
6883	* reload1.c (alter_reg): Clean up setting of RTX_UNCHANGING_P
6884	when making a MEM.
6885
6886	* reorg.c (struct resources): New field unch_memory.
6887	(CLEAR_RESOURCES, mark_target_live_regs, dbr_schedule): Clear it.
6888	(mark_{referenced,set}_resources, redundant_insn): Set it.
6889	(fill_simple_delay_slots): Likewise.
6890	(resource_conflicts_p): Test it.
6891
6892	* unroll.c (copy_loop_body): Fix typo in call to sets_cc0_p.
6893
6894	* integrate.c (output_inline_function): Don't call expand_function_end.
6895
6896	* calls.c (prepare_call_address): Only call use_reg on
6897	static_chain_rtx if it is a REG.
6898
6899	* configure (a29k-*-bsd*): Use t-a29k.
6900	* t-a29k: New file.
6901	* a29k/t-a29kbare (LIBGCC1_TEST): New null definition.
6902	* a29k/t-vx29k (LIBGCC1_TEST): Likewise.
6903
6904Wed May 31 14:17:42 1995  Jeffrey A Law  (law@snake.cs.utah.edu)
6905
6906	* configure (hppa*-*-bsd*): Do not run fixincludes.
6907	(hppa*-*-osf*): Likewise.
6908	(hppa*-*-lites*): Likewise.
6909
6910	* pa.h (PRINT_OPERAND_ADDRESS): Use "RR'" rather than "R'" for
6911	symbolic addresses.
6912	* pa.md (symbolic HIGH patterns): Likewise.
6913	(symbolic LO_SUM pattern): Likewise.
6914
6915Wed May 31 14:11:53 1995  Michael Meissner  <meissner@cygnus.com>
6916
6917	* rs6000.md (all movstri recognizers): Eliminate updating the pointers.
6918	* rs6000.c (expand_block_move): Don't pass argument of # bytes to
6919	increment pointers by to movstrsi expanders.
6920
6921	* rs6000.c (rs6000_override_options): Fix typo with -mstring handling.
6922
6923	* rs6000.h (TARGET_SWITCHES): Set MASK_STRING_SET explicitly
6924	if -mno-string, so that it can override the processor default.
6925
6926Wed May 31 07:31:53 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
6927
6928	* c-common.c (truthvalue_conversion, BIT_AND_EXPR): Make sure that
6929	the result has boolean_type_node.
6930
6931Tue May 30 19:03:21 1995  J.T. Conklin  <jtc@cygnus.com>
6932
6933	* stddef.h: Undefine _BSD_XXX_T_ if _GCC_XXX_T is defined on BSD
6934	Net/2 derived systems.
6935
6936Tue May 30 08:17:37 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
6937
6938	* m68k.md (decrement_and_branch_until_zero): Operand 0 constraint
6939	changed from "+g" to "+d*am".
6940	(similar anonymous HImode pattern): Likewise.
6941
6942	* m68k.md (tstdi): Use tst/subx #0 instead of neg/negx.
6943	Allow "a" and ">" for operand 0.
6944
6945Mon May 29 19:24:43 1995  Niklas Hallqvist  (niklas@appli.se)
6946
6947	* m68k.md (addsi_lshrsi_31): Use match_dup, not constraint "1",
6948	for matching inputs.
6949
6950Mon May 29 12:39:58 1995  Allen Briggs <briggs@rrinc.com>
6951
6952	* i386/isc.h ({STARTFILE,LIB,CPP}_SPEC): Handle -Xp like -posix.
6953	* i386/x-isc3 (X_CFLAGS): Add -Xp.
6954
6955Mon May 29 12:28:41 1995  J.T. Conklin  (jtc@cygnus.com)
6956
6957	* configure (sparc-*-netbsd): Add missing asterisk at end.
6958
6959Mon May 29 08:55:48 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6960
6961	* combine.c (recog_for_combine): New parm PADDED_SCRATCHES; set it.
6962	(try_combine): Accumulate number of scratches and update max_scratch.
6963	(simplify_set): Add extra parm to recog_for_combine.
6964
6965	* romp.md (call): Put USE for r0 in CALL_INSN; call call_internal
6966	to emit insn.
6967	(call_internal): New name for anonymous call.
6968	(call_value, call_value_internal): Likewise.
6969
6970	* winnt/xm-winnt.h: Protect most definitions with #ifndef.
6971	* alpha/xm-winnt.h: Include alpha/xm-alpha.h, then winnt/xm-winnt.h.
6972	(POSIX): Undefine.
6973	* xm-alpha.h: Don't include alloca.h for winnt.
6974
6975Sun May 28 18:34:01 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
6976
6977	* configure: Make sed commands more uniform.
6978
6979	* Makefile.in: Properly use $(srcdir) for files that have it
6980	in their reference as a target of a rule.
6981	(libgcc1.a): Add missing RANLIB_TEST use.
6982
6983	* stmt.c (expand_computed_goto): Call do_pending_stack_adjust.
6984
6985Sun May 28 18:08:41 1995  Torbjorn Granlund  <tege@mole.gnu.ai.mit.edu>
6986
6987	* m68k.md (divmodhi4, udivmodhi4): Use "dmsK" for operand 2.
6988
6989Fri May 26 17:01:22 1995  Paul Eggert  <eggert@twinsun.com>
6990
6991	* fixincludes: Fix bogus recursive <stdlib.h> in NEWS-OS 4.0C.
6992
6993Fri May 26 08:02:14 1995  Michael Meissner  (meissner@cygnus.com)
6994
6995	* c-typeck.c (initializer_constant_valid_p): For the CONSTRUCTOR
6996	case, if the type is a record, recurse, just like for unions.
6997
6998Thu May 25 07:56:14 1995  Paul Eggert  <eggert@twinsun.com>
6999
7000	* fixincludes: Add `sel', `tahoe', `r3000', `r4000' to the
7001	list of pre-ANSI symbols that need to be surrounded with __ __.
7002	Allow white space between `#' and `if' when looking for lines to patch.
7003
7004	* objc/sarray.h (PRECOMPUTE_SELECTORS, struct soffset):
7005	Use #ifdef __sparc__, not sparc.
7006
7007	* m68k.md (addsi_lshrsi_31, ashldi_const, ashrdi_const, lshrdi_const):
7008	Replace `mov' with `move'.
7009
7010Thu May 25 07:35:37 1995  Allen Briggs  <briggs@rrinc.com>
7011
7012	* libgcc2.c (L_eh, i386): Remove in-line comments in assembly
7013	code--the '#' character is not valid for the SYSV as.
7014
7015Thu May 25 07:28:54 1995  Pat Rankin  (rankin@eql.caltech.edu)
7016
7017	* Makefile.in (BC_ALL): Restore it from May 22 change; vms uses it.
7018	(STAGESTUFF): Use it.
7019
7020Thu May 25 07:11:56 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7021
7022	* alpha.c (alpha_emit_set_const): Don't call expand_binop for
7023	other than add if SImode and can't create pseudos.
7024
7025Wed May 24 21:38:24 1995  Jim Wilson  <wilson@cygnus.com>
7026
7027	* sched.c (reemit_notes): New function.
7028	(schedule_block): Call reemit_notes twice.  Reorganize code for
7029	handling SCHED_GROUP_P insns, so that reemit_notes works.
7030
7031	* sh/sh.c (shiftcosts, genshifty_op): Add SH3 support.
7032	* sh/sh.md (ashlsi3, lshrsi3): Add SH3 support.
7033	(ashlsi3_d, ashrsi3_d, lshrsi3_d): New patterns for SH3.
7034	(ashrsi2_31): Remove r/!r constraint.
7035
7036Wed May 24 17:00:47 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
7037
7038	* tree.c (type_list_equal): Call simple_cst_equal before checking
7039        types.
7040
7041Wed May 24 16:49:49 1995  Douglas Rupp  (drupp@cs.washington.edu)
7042
7043	* Makefile.in (libgcc2.a): Handle case of separate srcdir.
7044
7045Wed May 24 16:22:01 1995  Paul Eggert  <eggert@twinsun.com>
7046
7047	* configure: Define $(MAKE) if `make' doesn't.
7048
7049Wed May 24 15:50:51 1995  Doug Evans  <dje@cygnus.com>
7050
7051	* dsp16xx.h (CROSS_LINK_SPEC): ENDFILE_SPEC moved to -nostartfiles.
7052	* i386/freebsd.h (LINK_SPEC): Don't pass "-e start" if nostartfiles
7053	rather than nostdlib.
7054	* i386/sun.h (LINK_SPEC): Likewise.
7055	* m68k/sun2o4.h (LINK_SPEC): Likewise.
7056	* m68k/sun3.h (LINK_SPEC): Likewise.
7057	* m68k/vxm68k.h (LINK_SPEC): Likewise.
7058	* mips/netbsd.h (LINK_SPEC): Likewise.
7059	* config/netbsd.h (LINK_SPEC): Likewise.
7060	* rs6000/mach.h (LINK_SPEC): Likewise.
7061	* sparc.h (LINK_SPEC): Likewise.
7062	* sparc/vxsparc.h (LINK_SPEC): Likewise.
7063
7064	* m88k/m88k.h (FUNCTION_ARG_BOUNDARY): Use GET_MODE_BITSIZE.
7065
7066Wed May 24 15:44:04 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
7067
7068	* fold-const.c (fold): Make sure that a folded TRUTH_NOT_EXPR
7069        retains the same type.
7070
7071	* c-common.c (truthvalue_conversion): Also accept TRUTH_NOT_EXPR.
7072
7073Wed May 24 15:41:51 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7074
7075	* cplus-dem.c (strstr, strncmp, strlen): Remove declarations.
7076
7077	* tree.c (type_list_equal, simple_cst_list_equal, index_type_equal):
7078	Check for simple_cst_equal return value of -1.
7079
7080Wed May 24 10:05:24 1995  Michael Meissner  <meissner@cygnus.com>
7081
7082	* libgcc1-test.c (start, _start): Provide declarations, so that
7083	the GNU linker doesn't give a warning message about defaulting the
7084	start address.
7085
7086	* rs6000/sysv4.h (STRIP_NAME_ENCODING): Redefine back to the
7087	original defination, rather than the defination used in rs6000.h.
7088	(ASM_OUTPUT_SOURCE_LINE): Use STRIP_NAME_ENCODING.
7089	* rs6000.h (STRIP_NAME_ENCODING): Skip leading '*'.
7090
7091	* rs6000.h (MASK_STRING_SET, TARGET_STRING_SET): Add target
7092	flags bit for whether -mstring was actually used.
7093	(TARGET_SWITCHES): Add MASK_STRING to all power targets.  Set
7094	MASK_STRING_SET for -mstring and -mno-string.
7095	(TARGET_DEFAULT): Add MASK_STRING.
7096
7097	* rs6000.c (rs6000_override_options): Add MASK_STRING to
7098	all power targets.  Make an explicit -mstring/-mno-string override
7099	the -mcpu=processor default.
7100
7101	* rs6000/eabile.h (CPP_SPEC): Copy from sysvle.h to provide the
7102	appropriate little endian defaults.
7103
7104	* rs6000/sysv4.h (ASM_OUTPUT_SOURCE_LINE): Use assemble_name to
7105	output the canonical name.
7106
7107Wed May 24 01:21:15 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
7108
7109	* rs6000.h (STRIP_NAME_ENCODING): Define.
7110	(RS6000_OUTPUT_BASENAME): Use it.
7111
7112Tue May 23 19:54:21 1995  Doug Evans  <dje@cygnus.com>
7113
7114	* gcc.c (link_command_spec): Move ENDFILE_SPEC from -nostdlib
7115	to -nostartfiles.
7116
7117Tue May 23 17:01:50 1995  Jim Wilson  <wilson@cygnus.com>
7118
7119	* alpha.md (negsi2-2): Change output pattern to #.
7120
7121	* mips.c (embedded_pic_offset): Output RTL to initialize
7122	embedded_pic_fnaddr_rtx.
7123	(mips_finalize_pic): Delete.
7124	* mips.h (mips_finalize_pic): Delete declaration.
7125	(FINALIZE_PIC): Delete.
7126	(INIT_EXPANDERS): Clear embedded_pic_fnaddr_rtx.
7127	* mips.md (get_fnaddr): Add = to output contraint.
7128
7129	* sh.c (shift_amounts): Correct entry for shifts by 29.
7130	* sh.md (sett): New pattern.
7131	(movsi_i): Change source constraint for move to T reg to be 'z'.
7132
7133	* mips/ecoff.h (STARTFILE_SPEC): Define to null string.
7134	* mips/elfl.h, mips/elfl64.h: Correct typo in comment.
7135
7136	* mips/elflorion.h, mips/elforion.h (MIPS_CPU_DEFAULT): Delete.
7137	* mips.c (override_options): Delete #ifdef MIPS_CPU_DEFAULT code.
7138	Add #ifdef MIPS_CPU_DEFAULT_STRING code before the first
7139	mips_cpu_string test.
7140
7141Tue May 23 07:22:36 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7142
7143	* romp.c (hash_rtx): Avoid warning on int-to-pointer conversion.
7144	(output_fpops): Cast args to bcopy to char *.
7145
7146	* cpplib.c (initialize_builtins): Add missing parm to timestamp call.
7147
7148	* Makefile.in (install-libobjc): Don't depend on libobjc.a.
7149
7150	* c-parse.in: Objc shift/reduce conflicts now 48.
7151	(parm): Use setspecs/restore here.
7152	(parmlist_or_identifiers): Not here.
7153
7154Mon May 22 19:30:30 1995  Doug Evans  <dje@cygnus.com>
7155
7156	* h8300.md (movsf_h8300h): Add missing post-inc case to constraints.
7157
7158Mon May 22 14:38:36 1995  Michael Meissner  <meissner@cygnus.com>
7159
7160	* rs6000.c (rs6000_override_options): Do SUBTARGET_OVERRIDE_OPTIONS
7161	here.
7162	* rs6000.h (OVERRIDE_OPTIONS): Not here.
7163
7164	* rs6000.c (expand_block_move): Handle moves without string
7165	instructions by generating a series of loads and stores.
7166	(output_prolog): Support -mno-toc on V.4 and eabi systems.
7167
7168	* rs6000/sysv4.h (TARGET_SWITCHES): Add -mtoc and -mno-toc.
7169	(SUBTARGET_OVERRIDE_OPTIONS): Add some warnings for incompatible
7170	switches.
7171	(TOC_SECTION_FUNCTION): Make -mno-toc like -mrelocatable in that
7172	we don't put the minimal toc pointer in the global toc section.
7173	(LINK_SPEC): Use -oformat to set link output format, not -m.
7174
7175	* rs6000/t-eabigas (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Build
7176	libgcc.a variants with -mno-toc support.
7177	* rs6000/t-ppcgas (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Ditto.
7178
7179Mon May 22 07:10:52 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7180
7181	* cplus-dem.c (mystrstr): Replacement for strstr.
7182
7183	* configure: Split up long sed command.
7184	* Makefile.in (SYMLINK): Deleted; unused.
7185	(oldobjext): Deleted; no longer used.
7186	(FLAGS_TO_PASS): Include objext and exeext.
7187	(STAGESTUFF, protoize.o, unprotoize.o): Use $(objext), not .o.
7188	(test_protoize_simple, compare{,3}, gnucompare{,3}): Likewise.
7189	(STAGESTUFF, specs, gcc-cross, collect2): Add missing $(exeext).
7190	(libgcc1.null, libgcc[12].a, stage[1-4]): Likewise.
7191	(xgcc, cc1, cc1obj, enquire): Use $@ instead of filename for -o value.
7192	(collect2, mips-tfile, mips-tdump, gen*): Likewise.
7193	(bi-arity, bi-opcode, bi-opname, cccp, cppmain): Likewise.
7194	(protoize, unprotoize, gen-protos, fix-header): Likewise.
7195	(crtbegin.o, crtend.o): Don't use -o; move output to proper
7196	filename (using objext) instead.
7197	(BI_ALL, BC_ALL, bytecode): Deleted; unused.
7198	(bi-*.o, cexp.o, stamp-{proto,fixinc}): Remove unneeded $(srcdir).
7199	(getopt{,1}.o, SYSCALLS.c.X): Likewise.
7200	(install-driver): New target.
7201	(install-normal): Depend on it.
7202	(install-common): Don't depend on xgcc.
7203	(maketest): Deleted; no longer used.
7204	(stage[1-4]): Use name collect-ld, not real-ld.
7205	(risky-stage[1-4]): Use stage[1-4] as dependencies; don't copy.
7206	* alpha/config-nt.bat, i386/config-nt.bat: Make {,h,t}config.h
7207	and tm.h by writing a single #include line.
7208	Update way specs.h and options.h are written.
7209	* alpha/config-nt.sed, i386/config-nt.sed: Set new variables
7210	into Makefile.
7211	Build winnt.obj.
7212	Edit CCCP definition.
7213	* alpha/x-winnt, i386/x-winnt (oldobjext): Deleted.
7214	Add rules for .c.obj, .adb.obj, and .ads.obj.
7215	(LIB2FUNCS_EXTRA, spawnv.o): New rules.
7216	* i386/x-winnt (objext): Now .obj, not .o.
7217
7218	* gcc.c (HAVE_OBJECT_SUFFIX): New macro.
7219	(process_command): Convert x.o to x.foo for OBJECT_SUFFIX of ".foo".
7220	(do_spec_1): Avoid shadow variable "i" and always use for loop var.
7221
7222	* c-decl.c (finish_decl_top_level): Removed; no longer used.
7223	* objc-act.c: Numerous formatting changes.
7224	(NULLT): Deleted; all uses changed to NULL_TREE.
7225	(get_{static,object}_reference, objc_add_static_instance):
7226	Use push_obstacks instead of saving obstacks manually.
7227	(build_{selector,class}_reference_decl): Likewise.
7228	(build_objc_string_decl, build_protocol_reference): Likewise.
7229	(comp_{method,proto}_with_proto): Likewise.
7230	(create_builtin_decl, synth_module_prologue): Set DECL_ARTIFICIAL
7231	for internal objects.
7232	(build_{selector,class}_reference_decl, add_objc_decls): Likewise.
7233	(generate_objc_symtab_decl, build_module_descriptor): Likewise.
7234	(build_protocol_reference): Likewise.
7235	(build_objc_string_decl, synch_forward_declarations): Likewise.
7236	Delete call to end_temporary_allocation.
7237	(generate_static_references, generate_strings): Likewise.
7238	(build_selector_translation_table, generate_category): Likewise.
7239	(generate_{ivars,protocol}_list, build_protocol_reference): Likewise.
7240	(build_objc_string_object): If next_runtime, put everything in
7241	permanent obstack.
7242	(objc_add_static_instance): Use build_decl instead of start_decl
7243	and finish_decl_top_level.
7244	(build_{class_reference,objc_string}_decl): Clear DECL_CONTEXT.
7245	(start_class): Exit with FATAL_EXIT_CODE, not 1.
7246	(add_objc_decls): Don't set DECL_IN_SYSTEM_HEADER.
7247
7248	* tree.c (valid_machine_attribute): Handle attribute on
7249	pointer-to-function types.
7250
7251Sun May 21 17:16:37 1995  J. T. Conklin <jtc@cygnus.com>
7252
7253	* mips/netbsd.h (HAVE_STRERROR): Remove.
7254	* mips/xm-netbsd.h: New file.
7255	* mips/t-mips-netbsd: Deleted.
7256	* configure (mips-dec-netbsd): Use xm-netbsd.h and t-libc-ok.
7257
7258Sun May 21 17:16:37 1995  Arne H. Juul  (arnej@pvv.unit.no)
7259
7260	* mips/netbsd.h: Use __start as entry point. Ifdef some
7261	paths on CROSS_COMPILE.
7262
7263Sun May 21 08:39:26 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7264
7265	* c-parse.in (datadef, fndef, ivar_decl, mydecls):
7266	Restore declspec_stack since setspecs is used.
7267	(parmlist_or_identifiers): Use setspecs before parsing parms
7268	and restore after parsing parms.
7269
7270Sun May 21 01:04:52 1995  Jeffrey A. Law  <law@snake.cs.utah.edu>
7271
7272	* pa.c (hppa_encode_label): New variable "permanent" to
7273	where/how memory is allocated for the new label.  All
7274	callers changed.
7275
7276Sat May 20 16:53:30 1995  Mike Meissner  <meissner@cygnus.com>
7277
7278	* rs6000.md (insv, extz): Fail if the structure is QI or HI reg to
7279	avoid paradoxical subreg's being created in RTL phase, which uses
7280	SImode to load from memory if  structure is later moved to stack.
7281
7282Sat May 20 06:44:59 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
7283
7284	* m68k.md (udivmodhi4): Output "divu" instead of "divs".
7285
7286Sat May 20 06:11:32 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7287
7288	* reload.c (push_reload): Don't reload inside a SUBREG
7289	when SUBREG_WORD is nonzero.
7290
7291	* c-decl.c (shadow_tag_warned): Don't warn about useless keyword
7292	if in system header file.
7293
7294	* tree.c (simple_cst_equal): Don't look at language-specific
7295	nodes since we don't know what's in them.
7296
7297	* cpperror.c: #include config.h before any other .h file.
7298	* collect2.c: Likewise.
7299
7300	* i386/config-nt.bat: Add missing ^M on two lines.
7301	Add case for Fortran; fix typo in Ada case.
7302	* alpha/config-nt.bat: Add case for Fortran; fix typo in Ada case.
7303
7304	* m68k/t-next (LIBGCC1, CROSS_LIBGCC1): Make not, not "libgcc1.null".
7305	(OTHER_FIXINCLUDES_DIRS, LIMITS_H_TEST): Delete from here.
7306	* m68k/x-next (OTHER_FIXINCLUDES_DIR, LIMITS_H_TEST): Move to here.
7307
7308Fri May 19 19:30:20 1995  Stan Cox  (gcc@dg-rtp.dg.com)
7309
7310      * crtstuff.c: Added reference to INIT_SECTION_PREAMBLE for systems that
7311      do something which must be undone prior to __do_global_ctors.
7312
7313Fri May 19 19:27:08 1995  Alan Modra  <alan@SPRI.Levels.UniSA.Edu.Au>
7314
7315	* i386/linux-aout.h (CPP_SPEC): Add defines for -fPIC.
7316	* i386/linux-oldld.h (CPP_SPEC): Likewise.
7317
7318Fri May 19 17:46:28 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
7319
7320	* collect2.c (strstr): Deleted.
7321	* cplus-dem.c (strstr): Define ifndef POSIX.
7322
7323Fri May 19 11:16:51 1995  Per Bothner  <bothner@kalessin.cygnus.com>
7324
7325	* cpplib.c (collect_expansion):  Don't escape '@' inside string.
7326
7327Fri May 19 06:59:21 1995  Pat Rankin  (rankin@eql.caltech.edu)
7328
7329	* vmsconfig.com (process_objc_lib, configure_makefile): New routines.
7330	(bc_all.list, ./vax.md, objc-objs.opt, objc-hdrs.list): New files
7331	created at config time.
7332	(bc_all.opt, ./md.): No longer created.
7333	* make-cc1.com: Handle revised filenames from vmsconfig.com;
7334	(DO_OBJCLIB): New variable, plus code to compile objc/*.{c,m}.
7335
7336Wed May 17 16:15:31 1995  Torbjorn Granlund  <tege@cygnus.com>
7337
7338	* i960.c (i960_output_ldconst): New code for XFmode.
7339	Also, move SFmode code to immediately after DFmode code.
7340	(S_MODES, D_MODES): Handle XFmode.
7341	(XF_MODES): Was TF_MODES, handle XFmode instead of TFmode.
7342	(hard_regno_mode_ok): Replace TFmode with XFmode.
7343	(i960_output_long_double): New function.
7344
7345	* i960.h (DATA_ALIGNMENT): Define.
7346	(ROUND_TYPE_ALIGN): Align XFmode scalars at 128 bit boundaries.
7347	(ROUND_TYPE_SIZE): Round up the size of XFmode objects to 128 bits.
7348	(CONST_DOUBLE_OK_FOR_LETTER_P): Use CONST0_RTX and CONST1_RTX
7349	so that all FP modes are recognized.
7350	(ASM_OUTPUT_LONG_DOUBLE): Define.
7351
7352	* i960.md: Change all TFmode patterns to have XFmode.
7353	(movxf recognizer, frame version): Use movt, ldt, and stt.
7354	(movxf recognizer, non-frame version): Delete.
7355	(extenddfxf2): Delete * before f constraint.
7356	(extendsfxf2): Likewise.
7357
7358Wed May 17 17:53:35 1995  Jim Wilson  <wilson@mole.gnu.ai.mit.edu>
7359
7360	* unroll.c (unroll_loop): Increment copy_start_luid if copy_start
7361	is loop_start.
7362
7363Wed May 17 17:44:57 1995  Lee Iverson  <leei@Canada.AI.SRI.COM>
7364
7365	* fold-const.c (invert_truthvalue, case CLEANUP_POINT_EXPR): New case.
7366
7367Tue May 16 18:51:16 1995  Michael Meissner  <meissner@cygnus.com>
7368
7369	* rs6000/rs6000.h (TARGET_SWITCHES): Add -mstring to enable string
7370	instructions, and -mno-string to disable them.
7371	(MOVE_MAX): Don't test TARGET_MULTIPLE anymore.
7372	(MAX_MOVE_MAX): Set to 8, not 16.
7373	(expand_block_move): Add declaration.
7374
7375	* rs6000/rs6000.c (expand_block_move): New function to expand
7376	block moves when -mstring is used.
7377
7378	* rs6000/rs6000.md (movti): Use TARGET_STRING, not TARGET_MULTIPLE.
7379	(load_multiple, store_multiple): Ditto.
7380	(string insns): Add 8, 6, 4, 2, and 1 register variants for using
7381	the native string instructions if -mstring.
7382
7383	* rs6000/sysv4.h (CPP_SPEC): If little endian, define
7384	_LITTLE_ENDIAN and set littleendian assertion.  If big endian,
7385	define _BIG_ENDIAN and set bigendian assertion.
7386	* rs6000/sysv4le.h (CPP_SPEC): Copy from sysv4.h, and change
7387	default to little endian.
7388
7389	* rs6000/rs6000.c (override_options): Check for -mmultiple and
7390	-mstring on little endian systems here.
7391	* rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't do the check
7392	here.
7393
7394Tue May 16 18:36:41 1995  Douglas Rupp  (drupp@cs.washington.edu)
7395
7396	* alpha.c: Changed WINNT to _WIN32.
7397	* alpha/config-nt.bat, i386/config-nt.bat: Added commands to
7398	generate specs.h and options.h.
7399	* i386/config-nt.sed: Changed link32 to link.
7400	* winnt/ld.c (main): Removed call to free.
7401	* configure.bat: Added line to echo usage on invalid input.
7402	* gcc.c (fix_argv): Removed call to free.
7403	* gcc.c, getpwd.c, protoize.c, sdbout.c: Changed WINNT to _WIN32.
7404	* toplev.c: Likewise.
7405
7406Tue May 16 18:04:47 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7407
7408	* toplev.c (pfatal_with_name, fatal_io_error, vfatal):
7409	Use FATAL_EXIT_CODE instead of magic number.
7410	* cccp.c, cpplib.c, cpplib.h: Use FATAL_EXIT_CODE instead
7411	of FAILURE_EXIT_CODE.
7412	* fix-header.c, gen-protos.c: Likewise.
7413	* cpperror.c, cppmain.c: Likewise.
7414	Include config.h #ifndef EMACS.
7415	* xm-alpha.h, xm-rs6000.h, xm-vms.h (FAILURE_EXIT_CODE): Remove.
7416
7417Tue May 16 17:46:57 1995  Adam Fedor  <fedor@colorado.edu>
7418
7419	* objc/archive.c (__objc_write_class): Write class version.
7420	(__objc_write_selector, objc_{write,read}_selector): Handle null
7421	selector.
7422
7423        * objc/sarray.h (struct sarray): Make capacity size_t.
7424        * objc/sarray.c (sarray_realloc): Make array index variables size_t.
7425
7426Tue May 16 06:59:08 1995  Paul Eggert  <eggert@twinsun.com>
7427
7428	* dsp16xx.c (print_operand_address): Fix misspellings in messages.
7429	* i370/mvs.h (FUNCTION_PROFILER): Likewise.
7430	* mips-tdump.c (type_to_string): Likewise.
7431	* print-tree.c (print_node): Likewise.
7432
7433	* protoize.c (edit_fn_definition): Fix mispelled local `have_flotsam'.
7434
7435	* objc/sendmsg.c (__objc_init_install_dtable): Fix misspelling
7436	in name of local label `already_initialized'.
7437
7438	* winnt/winnt.h (STDC_VALUE): Was misspelled.
7439
7440	* m68k/ccur-GAS.h (FUNCTION_BOUNDARY): Was misspelled.
7441
7442	* 1750a.h (DEFAULT_PCC_STRUCT_RETURN): Was misspelled.
7443
7444Mon May 15 23:41:25 1995  Jeffrey A. Law  <law@snake.cs.utah.edu>
7445
7446	* pa.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Make sure to encode section
7447	info for all libcalls.
7448
7449Mon May 15 20:58:00 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
7450
7451	* collect2.c (strstr): Define ifndef POSIX.
7452
7453	* defaults.h (SUPPORTS_WEAK): Provide default.
7454	* aoutos.h, sparc/sunos4.h: Don't support weak symbols.
7455	* netbsd.h, svr4.h, i386/freebsd.h, i386/osfrose.h,
7456        m88k/m88k.h: Define ASM_WEAKEN_LABEL instead of WEAK_ASM_OP.
7457	* c-pragma.h: Check ASM_WEAKEN_LABEL instead of WEAK_ASM_OP.
7458        HANDLE_PRAGMA_WEAK is never defined in a tm.h file.
7459	* c-decl.c (duplicate_decls): Propagate DECL_WEAK.
7460	* tree.h (DECL_WEAK): New macro.
7461	(tree_decl): Add weak_flag.
7462	* varasm.c (assemble_start_function): Declare the symbol weak if
7463	appropriate.
7464	(assemble_variable): Ditto.
7465	(assemble_alias): Ditto.  Mark the decl as written.
7466	(declare_weak): Check for weak declaration after definition.
7467	Set DECL_WEAK.
7468	(weak_finish): Use ASM_WEAKEN_LABEL.
7469	* libgcc2.c: The C++ free-store management functions are weak
7470        aliases on targets that always support them.
7471
7472Mon May 15 19:01:43 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7473
7474	* configure (out_object_file): New variable; put value in Makefile.
7475	* Makefile.in (out_object_file): Use in place of aux-output.o.
7476
7477	* fold-const.c (const_binop): Don't pass OVERFLOW to force_fit_type
7478	if type is unsigned.
7479
7480Mon May 15 18:48:26 1995  Paul Eggert <eggert@twinsun.com>
7481
7482        * install.sh (transformbasename): Fix misspelling.
7483
7484	* tahoe.h (CHECK_FLOAT_VALUE): Fix misspelling of OVERFLOW parameter.
7485
7486	* i386.h (VALID_MACHINE_{DECL,TYPE_ATTRIBUTE): Fix typo.
7487
7488	* fx80.h (CHECK_FLOAT_VALUE): Fix misspelled use of parameter.
7489
7490	* a29k.c (spec_reg_operand): Fix misspelling of `default:'.
7491
7492Mon May 15 18:36:41 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
7493
7494	* m68k.md (b{eq,ne,ge,lt}0_di): Fixed for non-MOTOROLA syntax.
7495	* m68k/xm-mot3300.h (alloca): Extern decl added for non-GNU compiler.
7496
7497Mon May 15 13:14:29 1995  Per Bothner  <bothner@kalessin.cygnus.com>
7498
7499	* cppexp.c (cpp_reader):  Test for '#' (start of assertion) *after*
7500	skipping hspace, not before.
7501
7502Mon May 15 08:13:54 1995  Pat Rankin  (rankin@eql.caltech.edu)
7503
7504	* vmsconfig.com: Construct options.h and specs.h to #include
7505	all "*/lang-{options|specs}.h" files found.
7506
7507Sun May 14 21:32:49 1995  Doug Evans  <dje@cygnus.com>
7508
7509	* alpha/alpha.md (movsicc, case NE): Don't generate unrecognizable
7510	insn.
7511	(movdicc, case NE): Likewise.
7512
7513Sun May 14 15:44:54 1995  Jim Wilson  <wilson@mole.gnu.ai.mit.edu>
7514
7515	* unroll.c (unroll_loop): Make local_regno have size
7516	max_reg_before_loop.  Don't do local register optimization if
7517	copy_end has no INSN_LUID.
7518
7519Sun May 14 10:38:23 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7520
7521	* objc-act.c (start_method_def): Mark _self as possibly unused.
7522
7523	* configure: Create specs.h and options.h from */lang-specs.h
7524	and */lang-options.h.
7525	Set lang_specs_files and lang_options_file variables in Makefile.
7526	* Makefile.in (lang_{specs,options}_files): New variables.
7527	(gcc.o): Depends on $(lang_specs_files).
7528	(toplev.o): Depends on $(lang_options_file); merge two dep lists.
7529	(distclean): Remove spes.h and options.
7530	* gcc.c (default_compilers): Remove entries for Ada, C++, Chill,
7531	and Fortran; #include specs.h instead.
7532	* toplev.c (lang_options): Remove entries for Ada, C++, and Fortran;
7533	include options.h instead.
7534
7535Sat May 13 23:11:21 1995  DJ Delorie  <dj@delorie.com>
7536
7537	* configure (i[345]86-go32-msdos, i[345]86-*-go32): New targets.
7538
7539Sat May 13 10:58:38 1995  Jim Wilson  <wilson@cygnus.com>
7540
7541	* loop.c (record_giv): When computing replaceable, use
7542	back_branch_in_range_p instead of looking for branches to named
7543	labels.
7544	* loop.h (back_branch_in_range_p): Declare.
7545	* unroll.c (back_branch_in_range_p): No longer static.
7546
7547Sat May 13 06:47:11 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7548
7549	* combine.c (simplify_shift_count, case LSHIFTRT): Don't merge
7550	shifts of different modes if first is any right shift.
7551
7552Sat May 13 05:39:09 1995  Richard Earnshaw (rearnsha@armltd.co.uk)
7553
7554	* configure (arm-semi-aout): New configuration.
7555	* config.sub: Add support for semi-hosted ARM.
7556	* arm/t-semi, arm/semi.h: New files.
7557
7558Fri May 12 21:51:22 1995  Doug Evans  <dje@cygnus.com>
7559
7560	* flow.c (find_basic_blocks): Only perform n_basic_blocks sanity
7561	check on first pass, and on second pass ensure it has the correct
7562	value.
7563
7564Fri May 12 19:23:11 1995  Jim Wilson  <wilson@cygnus.com>
7565
7566	* c-typeck.c (build_binary_op): Warn when ~unsigned is compared
7567	against unsigned, and type promotions result in an unexpected
7568	answer.
7569
7570Fri May 12 19:10:21 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
7571
7572	* configure (*-*-gnu*): Always use ELF; set tm_file=${cpu_type}/gnu.h.
7573	* config/i386/gnu.h: Contents replaced with old i386/gnuelf.h.
7574	* config/i386/gnuelf.h: File removed.
7575
7576Fri May 12 17:29:57 1995  Ken Raeburn  (raeburn@cygnus.com)
7577
7578	* m68k/lb1sf68.asm (__IMMEDIATE_PREFIX__): Default to #.
7579	(IMM): New macro.
7580	(all code): Use IMM macro instead of hardcoding # for immediate
7581	operands.
7582
7583Fri May 12 16:52:10 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
7584
7585	* m68k.c (output_scc_di): New function.
7586	(extend_operator) : Allow DImode target.
7587	* m68k.h (HARD_REGNO_MODE_OK): Don't allow d7/a0 as DImode reg pair.
7588	* m68k.md (tstdi, cmpdi, addsi_lshrsi_31, ashldi_extsi): New patterns.
7589	(extendqidi2, extendhidi2, extendsidi2): Allow "general_operand"
7590	instead of "register_operand" 0.
7591	(adddid_sexthishl32, subdid_sexthishl32, subdi_dishl32): Likewise.
7592	(adddi_dilshr32): Operand 0 constraint changed from "ro" to "do";
7593	Code generation fixed.
7594	(adddi_mem, subdi_mem): Fixed for "<" and ">" operand 0.
7595	(adddi3, subdi3): Operand 2 constraint changed from "ao" to "*ao"
7596	(ashldi_sexthi, ashrdi_const32): Allow only "register_operand"
7597	instead of "general_operand" 0.
7598	(ash[lr]di_const, ash[lr]di3): Allow also 8 and 16 as shift count.
7599	(subreg1ashrdi_const32): Pattern deleted.
7600	(subreghi1ashrdi_const32, subregsi1ashrdi_const32): New pattern.
7601	(lshrsi_31): New implementation.
7602	(scc0_di, scc_di, beq0_di, bne0_di, bge0_di, blt0_di): New patterns.
7603
7604Fri May 12 16:50:49 1995  Jeffrey A. Law  <law@mole.gnu.ai.mit.edu>
7605
7606	* pa.md (bb patterns): Fix bugs in length computation exposed by
7607	recent branch shortening and genattrtab changes.
7608
7609Fri May 12 16:22:27 1995  Ken Raeburn  <raeburn@cygnus.com>
7610
7611	* cccp.c (enum node_type): Add T_IMMEDIATE_PREFIX_TYPE.
7612	(special_symbol): Handle it; emit value of IMMEDIATE_PREFIX.
7613	(IMMEDIATE_PREFIX): Default to empty string.
7614	(initialize_builtins): Install __IMMEDIATE_PREFIX__ builtin,
7615	parallel to __REGISTER_PREFIX__.
7616
7617Fri May 12 14:40:03 1995  Pat Rankin  (rankin@eql.caltech.edu)
7618
7619	* cccp.c: #if VMS, don't define `stat' macro to be VMS_stat.
7620	Compare enums explicitly to 0 to work around VAX C bug.
7621	(do_include): Cast alloca's value.
7622
7623	* make-cc1.com (bc_loop): Process comma-separated list rather
7624	than space-separated one; restore .h suffix stripped by vmsconfig;
7625	(loop1): More robust handling of directory prefix on file names.
7626	* vmsconfig.com (TPU makefile.in): Reorganize and reformat code.
7627	Make generated .opt files have more consistent format (all comma
7628	separated, excess whitespace eliminated);
7629	(additional_compiler): New routine.
7630	(process_makefile): Use it to handle cc1plus via cp/Make-lang.in.
7631
7632Fri May 12 13:35:07 1995  Doug Evans  <dje@cygnus.com>
7633
7634	* arm.h: Replace ARM_REG_PREFIX with REGISTER_PREFIX.
7635	Replace ARM_COMMENT_CHAR with ASM_COMMENT_START.
7636	(REGISTER_PREFIX): Define.
7637	(USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX): Define.
7638	(SECONDARY_OUTPUT_RELOAD_CLASS): Handle DFmodes only if
7639	TARGET_HARD_FLOAT.
7640	(PREDICATE_CODES): Add soft_df_operand.
7641	* arm.c: Replace ARM_REG_PREFIX with REGISTER_PREFIX.
7642	Replace ARM_COMMENT_CHAR with ASM_COMMENT_START.
7643	(arm_asm_output_label): Use USER_LABEL_PREFIX.
7644	(soft_df_operand): New function.
7645	* arm.md (movsicc): New pattern.
7646	(movsfcc, movdfcc, *movsicc_insn, *movsfcc_hard_insn): Likewise.
7647	(*movsfcc_soft_insn, *movdfcc_insn): Likewise.
7648	(*movdf_soft_insn): Rewrite.
7649	(movsi matcher): Fix typo in type attribute.
7650
7651Fri May 12 10:25:40 1995  Michael Meissner  (meissner@cygnus.com)
7652
7653	* i386.h (TARGET_RTD): Use MASK_RTD, not MASK_REGPARM.
7654	(TARGET_SWITCHES): Add -m{,no-}align-double switch.
7655	(TARGET_OPTIONS): Add -mregparm= switch to set number of registers
7656	to use for passing arguments.  Add -malign-loops= switch to set
7657	the alignment for loops.  Add -malign-jumps= switch to set the
7658	alignment for code that is jumped to.  Add -malign-functions=
7659	switch to set the initial alignment of functions.
7660	(TARGET_REGPARM): Delete, in favor of -mregparm=
7661	(TARGET_SWITCHES): Delete -mregparm, add -mdebug-arg switches.
7662	(RETURN_POPS_ARGS): Call i386_return_pops_args to do the real work.
7663	(VALID_MACHINE_DECL_ATTRIBUTE): Define as function call.
7664	(VALID_MACHINE_TYPE_ATTRIBUTE): Define as function call.
7665	(COMP_TYPE_ATTRIBUTES): Define as function call.
7666	(REGPARM_MAX): Maximum number of regs to use for passing arguments.
7667	(CUMULATIVE_ARGS): Make this a structure, not an int.
7668	(INIT_CUMULATIVE_ARGS, FUNCTION_ARG{,_ADVANCE}): Call function.
7669	(FUNCTION_ARG_PARTIAL_NREGS): Likewise.
7670	(MAX_CODE_ALIGN): Maximum value to align loops/jumps to.
7671	(BIGGEST_ALIGNMENT): Return 64 if -malign-double, 32 otherwise.
7672	(ASM_OUTPUT_ALIGN_CODE): Use value of -malign-jumps= switch.
7673	(ASM_OUTPUT_LOOP_ALIGN): Use value of -malign-loops= switch.
7674	(toplevel): Declare all new functions and external variables added
7675	in i386.c.
7676
7677	* i386.c (i386_regparm_string, i386_regparm): New variables
7678	for -mregparm= switch to set the number of registers to use for
7679	passing arguments.
7680	(i386_align_loops_string, i386_align_loops): New variables for
7681	-malign-loops= switch to set alignment to use for loops.
7682	(i386_align_jumps_string, i386_align_jumps): New variables for
7683	-malign-jumps= switch to set alignment to use for labels that are
7684	jumped to.
7685	(override_options): Support new switches.
7686	(i386_valid_decl_attribute_p): New function to validate decl
7687	specific attributes.  Presently returns 0.
7688	(i386_valid_type_attribute_p):  New function to validate type
7689	specific attributes.  Recognize "stdcall", which says function
7690	with fixed numbers of arguments is responsible for popping stack,
7691	"cdecl", which says to use the normal C calling sequence, even if
7692	-mrtd is used, and "regparm", which specifies the number of
7693	registers to use for passing arguments.
7694	(i386_comp_type_attributes): New function, to validate whether
7695	attributes are compatible.
7696	(i386_return_pops_args): New function, to return whether or not
7697	the function pops its argument list or not, taking into account
7698	-mrtd, and the stdcall/cdecl attributes.
7699	(init_cumulative_args): Rewrite as a function, taking variable
7700	argument functions, and regparm support into account.
7701	(function_arg{,_advance,_partial_nreg}): Likewise.
7702	(print_operand): Support %J, to print appropriate jump insn.
7703
7704	* i386.md (decrement_and_branch_until_zero): Define pattern,
7705	so that loops that count down to zero, don't have an unneeded
7706	compare after the decrement.  Add a general insn recognizer for
7707	add to a value and compare against zero.
7708
7709	* i386/go32.h, i386/winnt.h (VALID_MACHINE_DECL_ATTRIBUTE):
7710	Delete, code folded into the mainline.
7711	(RETURN_POPS_ARGS): Likewise.
7712
7713	* i386/winnt.h (ENCODE_SECTION_INFO): The stdcall attribute is now
7714	stored on the type field, rather than the decl.
7715
7716	* i386/gas.h (ASM_OUTPUT_ALIGN_CODE, ASM_OUTPUT_LOOP_ALIGN): Use
7717	i386_align_{loops,jumps} variables to do alignment.
7718	* i386/osfrose.h, i386/svr3dbx.h: Likewise.
7719
7720Fri May 12 12:48:19 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7721
7722	* stor-layout.c (layout_type, case ARRAY_TYPE): Compute length using
7723	MAX of length and zero if sizetype signed and neither bound constant.
7724
7725	* i386/gnuelf.h, i386/linux-oldld.h, i386/lynx-ng.h, i386/v3gas.h:
7726	Use <...> in #include instead of "...".
7727	* m68k/lynx-ng.h, sparc/lynx-ng.h: Likewise.
7728
7729	* c-parse.in (myparm): Handle attributes.
7730	* objc-act.c (unused_list): New variable.
7731	(build_tmp_function_decl): Call push_parm_decl with new format.
7732	(start_class): Initialize unused_list.
7733	(start_method_def): Call push_parm_decl with new format and
7734	mark _cmp as possibly unused.
7735
7736	* combine.c (simplify_shift_const): Don't change SHIFT_MODE
7737	for LSHIFTRT either.
7738
7739	* unroll.c (unroll_loop): Don't move reg if used in copy_end and
7740	that is a JUMP_INSN.
7741
7742Fri May 12 12:31:37 1995  Doug Evans  <dje@cygnus.com>
7743
7744	* arm/lib1funcs.asm: New file.
7745
7746Fri May 12 11:52:03 1995  Kung Hsu  <kung@cygnus.com>
7747
7748	* configure (a29k-*-vxworks*): New target.
7749	* config.sub (vxworks29k): New alias.
7750	* a29k/t-vx29k: New file.
7751	* a29k/vx29k.h: New file.
7752
7753Fri May 12 11:17:28 1995  Jim Wilson  <wilson@mole.gnu.ai.mit.edu>
7754
7755	* loop.c (check_dbra_loop): When reversing loop when
7756	no_use_except_counting is false, there must be only one biv.
7757
7758Fri May 12 07:10:00 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7759
7760	* unroll.c (unroll_loop): Only use local_regno for pseudos.
7761
7762	* genattrtab.c (write_test_expr, case MATCH_DUP): Use operands[N]
7763	instead of JUMP_LABEL (which may not be set).
7764	(walk_attr_value, case MATCH_DUP): Set must_extract.
7765
7766	* c-parse.in: Adjust number of shift/reduce conflicts.
7767	(parm): Support attributes.
7768	* c-decl.c (push_parm_decl): Pass any attributes to decl_attributes.
7769
7770Fri May 12 00:36:26 1995  Per Bothner  <bothner@kalessin.cygnus.com>
7771
7772	* cpplib.c (skip_quoted_string):  Removed - no longer needed.
7773	(skip_if_group):  Use cpp_get_token instead of skip_quoted_string.
7774
7775	* cpplib.h (struct cpp_reader):  Remove start_line field.
7776	Add multiline_string_line field.
7777
7778	* cpplib.c (cpp_error_with_line, cpp_warning_with_line,
7779	cpp_pedwarn_with_line):  Take extra column number parameter.
7780	(macroexpand, cpp_get_token):  Fix reporting of unterminated strings.
7781	(line_for_error):  Removed - no longer needed.
7782
7783Fri May 12 02:21:34 1995  Jim Wilson  <wilson@cygnus.com>
7784
7785	* mips/svr4-t.h (MD_STARTFILE_PREFIX, MD_EXEC_PREFIX,
7786	STARTFILE_SPEC, LINK_SPEC): Define.
7787	* configure (mips-tandem-sysv4): Use t-mips not t-svr4.
7788
7789Thu May 11 19:18:54 1995  Per Bothner  <bothner@kalessin.cygnus.com>
7790
7791	* cpplib.c (line_for_error):  Make it work; add extra parameter.
7792	(skip_quoted_string, cpp_get_token):  Update calls to line_for_error.
7793	(macroexpand):  Remember initial line so we can report it if the
7794	call is unterminated.  Also, simplify error logic slightly.
7795	(do_include):  Cast alloca return value, to avoid pcc warning.
7796
7797	* cppexp.c (parse_number):  Cleanup some Cygnus crud for MPW.
7798
7799Thu May 11 21:35:23 1995  Torbjorn Granlund  <tege@cygnus.com>
7800
7801	From Moshier:
7802	* i960.c (i960_output_ldconst): Let split_double handle DImode.
7803	(i960_print_operand): Use REAL_VALUE_TO_DECIMAL for decimal strings.
7804	(i960_output_double, i960_output_float):  Likewise; also change arg
7805	VALUE from `double' to `REAL_VALUE_TYPE'.
7806
7807Thu May 11 21:09:25 1995  Per Bothner  (bothner@wombat.gnu.ai.mit.edu)
7808
7809	* cpperror.c (cpp_print_containing_files):  Remove some
7810	Cygnus-local stuff.
7811
7812Thu May 11 21:06:47 1995  Doug Evans  <dje@canuck.cygnus.com>
7813
7814	* gcc.c (link_command_spec): Make -nostdlib no longer imply
7815	-nostartfiles.
7816
7817Thu May 11 18:48:57 1995  Paul Eggert  <eggert@twinsun.com>
7818
7819	* c-common.c (convert_and_check): Don't diagnose overflow in constant
7820	expression merely because conversion overflowed.
7821
7822Thu May 11 18:43:59 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7823
7824	* c-decl.c (grokdeclarator): Use PARM_FLAG to see if should
7825	make PARM_DECL.
7826	* c-parse.in (nested_function, notype_nested_function):
7827	Allow old-style arg definitions (use xdecls).
7828
7829	* c-decl.c (finish_struct): Properly update DECL_PACKED.
7830
7831Thu May 11 15:24:15 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
7832
7833	* fold-const.c (fold): Also fold CLEANUP_POINT_EXPRs into
7834        TRUTH_*_EXPRs and into the first operand.
7835	(operand_equal_for_comparison_p): Also make sure the second operand
7836	is integral.
7837
7838Thu May 11 14:22:03 1995  Ted Lemon  <mellon@toccata.fugue.com>
7839
7840	* config/mips/netbsd.h: New file.
7841	* config/mips/t-mips-netbsd: New file.
7842	* config/mips/x-netbsd: New file.
7843
7844	* configure (mips-dec-netbsd*): Add entry.
7845
7846	* mips.h (LOCAL_LABEL_PREFIX, USER_LABEL_PREFIX): Define.
7847	(PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END, ASM_OUTPUT_LABEL_REF,
7848	ASM_OUTPUT_INTERNAL_LABEL, ASM_GENERATE_INTERNAL_LABEL,
7849	ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Use them.
7850
7851	* mips.c (mips_output_lineno): Use LOCAL_LABEL_PREFIX.
7852
7853Thu May 11 14:22:03 1995  Stan Cox  (gcc@dg-rtp.dg.com)
7854
7855	* dwarfout.c (output_decl): Don't output DIE for struct or union type
7856	with no name or with ERROR_MARK for the fields.
7857
7858Thu May 11 06:36:34 1995  Michael Meissner  (meissner@cygnus.com)
7859
7860	* flow.c (mark_used_regs): If a SUBREG does not have a REG in the
7861	SUBREG_REG position, recursively call mark_used_regs, instead of
7862	segfaulting.
7863
7864Thu May 11 06:44:34 1995  Pat Rankin  (rankin@eql.caltech.edu)
7865
7866	* expr.c (do_jump, case EQ_EXPR, NE_EXPR): Fix typo for complex.
7867
7868Wed May 10 12:34:46 1995  Michael Meissner  <meissner@cygnus.com>
7869
7870	* configure: Add support for the little endian variant of the
7871	PowerPC System V.4 and Eabi targets.  If the GNU assembler was not
7872	specified, don't build libgcc.a variants on the PowerPC systems
7873	that use -mrelocatable, -mlittle, and -mbig.
7874
7875	* genmultilib: For MULTILIB_MATCHES arguments, map question marks
7876	into equal signs after spliting the left and right side of
7877	equivalent options, to all support for options like: -mcpu=403.
7878
7879	* rs6000/rs6000.md (rs6000_immed_double_const): New function that
7880	is like immed_double_const, except that it reverses the two words
7881	in the constant if the target is little endian.
7882
7883	* rs6000/rs6000.md (floatsidf2): Use rs6000_immed_double_const,
7884	not immed_double_const.
7885	(floatunssidf2): Ditto.
7886
7887	* rs6000/rs6000.h: Add declarations for all functions in rs6000.c.
7888
7889	* rs6000/sysv4.h (TARGET_SWITCHES): Add -mlittle, -mlittle-endian,
7890	-mbig, and -mbig-endian for bi-endian support.
7891	(ASM_SPEC): Pass -mlittle/-mbig to the assembler if it was passed
7892	to us.
7893	(LINK_SPEC): If explicit little or big endian support was
7894	requested, tell the GNU linker to use the appropriate target
7895	format.
7896
7897	* rs6000/t-eabi (MULTILIB_*): Build libgcc.a variants for software
7898	floating point.  Remove mrelocatable libgcc.a variant.
7899
7900	* rs6000/t-eabigas: New file, cloned from t-eabi.  Build
7901	mrelocatable libgcc.a variant in addition to the other variants.
7902
7903	* rs6000/t-ppc: New file, for PowerPC System V.4 support without
7904	the GNU assembler.
7905
7906	* rs6000/t-ppcgas: New file, for PowerPC System V.4 support with
7907	the GNU assembler.
7908
7909	* rs6000/eabile.h: New file, little endian eabi config file.
7910	* rs6000/sysv4le.h: New file, little endian V.4 config file.
7911
7912Wed May 10 14:22:28 1995  Doug Evans  <dje@cygnus.com>
7913
7914	* libgcc1-test.c (main_without__main): Renamed from `main'.
7915	* Makefile.in (libgcc1-test): Tell the user to ignore warnings.
7916
7917	* configure: Support --enable-foo, --disable-foo.
7918
7919Wed May 10 10:34:00 1995  Lee Iverson  <leei@Canada.AI.SRI.COM>
7920
7921	* unroll.c: Add declarations of static functions.
7922	(unroll_loop): Renumber regs local to loop for each unrolled iteration.
7923
7924Wed May 10 08:27:03 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
7925
7926	* alpha.c (alpha_set_emit_const): Cleanups to work properly
7927	when run on 32-bit host.
7928
7929	* configure: Instead of symlinking tm.h and {h,t,}config.h,
7930	make them files that #include the proper file; pass to Makefile.
7931	Pass out_file and md_file to Makefile instead of making symlinks.
7932	* Makefile.in (out_file, md_file, tm_file, {build,host}_xm_file):
7933	New symbols, to be overridden by configure.
7934	(insn-*): Use $(md_file), not md.
7935	(aux-output.o): Use $(out_file), not aux-output.c.
7936	($(MD_FILE)): Rework to use new conventions.
7937	(gen*.o, bi-*.o): Depend on $(build_xm_file), not hconfig.h.
7938	(scan.o, fix-header.o, scan-decls.o): Likewise.
7939	(distclean): Adjust files removed for new convention.
7940
7941Tue May  9 19:26:42 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
7942
7943	* rs6000/rs6000.h (LIBGCC_SPEC): Do link with libgcc when -shared.
7944
7945	* Makefile.in (STAGESTUFF): Add underscore.c.
7946	(underscore.c): Rename temporary files to begin with 'tmp-' so that
7947	they will be removed by 'make mostlyclean'.
7948
7949Tue May  9 19:19:55 1995  Mike Stump  <mrs@cygnus.com>
7950
7951	* toplev.c (lang_options): Add new flag -ffor-scope.
7952
7953Tue May  9 19:11:47 1995  Lee Iverson  (leei@ai.sri.com)
7954
7955	* objc/init.c (objc_init_statics): Fix missing part of last change.
7956
7957Tue May  9 18:25:34 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7958
7959	* i386/gnu.h, i386/linux.h, i386/linux-aout.h, i386/lynx.h:
7960	Use <...> in #include instead of "..." to avoid recursion.
7961	* i386/netbsd.h, i386/xm-gnu.h, i386/xm-linux.h: Likewise.
7962	* i386/xm-lynx.h, i386/xm-freebsd.h, i386/xm-netbsd.h: Likewise.
7963	* m68k/lynx.h, m68k/netbsd.h, m68k/xm-lynx.h: Likewise.
7964	* m68k/xm-netbsd.h, mips/gnu.h, ns32k/netbsd.h: Likewise.
7965	* ns32k/xm-netbsd.h, rs6000/lynx.h, rs6000/xm-lynx.h: Likewise.
7966	* sparc/lynx.h, sparc/netbsd.h, sparc/xm-lynx.h: Likewise.
7967	* sparc/xm-netbsd.h, vax/netbsd.h, vax/xm-netbsd.h: Likewise.
7968
7969Tue May  9 15:52:05 1995  Michael Meissner  <meissner@cygnus.com>
7970
7971	* config.sub: Recognize powerpcle as the little endian variant of
7972	the PowerPC.  Recgonize ppc as a PowerPC variant, and ppcle as a
7973	powerpcle variant.  Convert pentium into i586, not i486.  Add p5
7974	alias for i586.  Map new x86 variants p6, k5, nexgen into i586
7975	temporarily.
7976
7977Tue May  9 15:43:27 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
7978
7979	* rs6000/rs6000.h (LINK_SPEC, LIB_SPEC): Don't mess with libg
7980        if -shared.
7981	* rs6000/aix41ppc.h (LINK_SPEC): Ditto.
7982
7983	* rs6000/powerpc.h: Don't emit .extern directives.
7984
7985Tue May  9 14:08:09 1995  Jim Wilson  <wilson@cygnus.com>
7986
7987	* sh/lib1funcs.asm (__ashrsi3, __ashlsi3, __lshrsi3): Use .byte
7988	instead of .word offsets in switch table.
7989
7990Tue May  9 11:44:47 1995  Jeremy Bettis  <jbettis@cse.unl.edu>
7991
7992	* objc/sendmsg.c (__objc_send_initialize): Call superclass if object
7993	does not implement +initialize.
7994
7995Tue May  9 02:44:16 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
7996
7997	* rs6000/xm-rs6000.h (COLLECT_EXPORT_LIST): Define if not
7998        cross-compiling.
7999	* rs6000/xm-mach.h: #undef COLLECT_EXPORT_LIST.
8000	* rs6000/rs6000.h (COLLECT_SCAN_OBJECTS): Lose.
8001
8002	* collect2.c (collect_exit): Unlink export_file.
8003	(prefix_from_string): Broken out from prefix_from_env.
8004	(prefix_from_env): Call it.
8005	(main): Under AIX, recognize -bE: and -bexport:, and don't
8006	automatically export everything if we see one.  Otherwise, scan the
8007	objects individually and add all their symbols to an export file to be
8008	passed to the linker.
8009	(write_export_file): New function.
8010	(scan_prog_file): Ignore symbols starting with '.'
8011
8012	* c-common.c (declare_hidden_char_array): Mark decl artificial.
8013
8014Mon May  8 18:13:57 1995  Adam Fedor  <fedor@colorado.edu>
8015
8016	* objc/init.c (_objc_load_callback): Add declaration.
8017	(__objc_exec_class): Call _objc_load_callback after every Class
8018	or Category is added.
8019	* objc/objc-api.h (_objc_load_callback): Add declaration.
8020
8021Mon May  8 17:56:28 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8022
8023	* expr.c (expand_expr, case INDIRECT_REF): Set RTX_UNCHANGING_P
8024	if both TREE_READONLY and TREE_STATIC set.
8025
8026	* c-typeck.c (convert_for_assignment): Don't give errors about
8027	adding const or volatile unless both sides point to functions.
8028
8029Mon May  8 11:48:23 1995  Michael Meissner  <meissner@cygnus.com>
8030
8031	* configure: If ../ld/Makefile, symlink ../ld/ld.new to collect-ld,
8032	not real-ld.  Don't test for $use_collect2 any more.
8033
8034Sun May  7 17:52:23 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8035
8036	* calls.c (expand_call): Improve -Winline warnings.
8037
8038Sun May  7 17:28:27 1995  DJ Delorie  (dj@delorie.com)
8039
8040	* configure.bat: Use "go32" instead of "msdos" for future expansion.
8041
8042	* i386/go32.h: Add support for win32's stdcall functions.
8043
8044	* configure.bat: Add ^M to end of each line.
8045	* i386/config-nt.bat, alpha/config-nt.bat: Likewise.
8046
8047Sun May  7 02:12:26 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8048
8049	* tree.h (DECL_ARTIFICIAL): New macro.
8050
8051	* function.c (expand_function_end): Don't warn about unused
8052        anonymous or artificial parms.
8053
8054Fri May  5 18:41:22 1995  Jim Meyering  (meyering@comco.com)
8055
8056	* configure: Fix typo in name of "maintainer-clean".
8057
8058Fri May  5 14:58:01 1995  Jeffrey A. Law  <law@snake.cs.utah.edu>
8059
8060 	* pa.c (emit_move_sequence): Force problematical constants
8061	into memory during the reload pass when generating PIC.
8062
8063Fri May  5 13:30:33 1995  Doug Evans  <dje@cygnus.com>
8064
8065	* objc/NXConstStr.m: NXConstantString.h renamed to NXConststr.h.
8066
8067Fri May  5 07:10:15 1995  Stephen L Moshier  (moshier@world.std.com)
8068
8069	* real.c (emdnorm, toe64, etoe64): Significand of Intel long double
8070	denormals is shifted down one bit.
8071
8072Fri May  5 07:04:12 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8073
8074	* c-typeck.c (process_init_element): Don't clear_momentary if
8075	constructor_stack is not empty.
8076
8077	* objc/Makefile (SHELL): Now /bin/sh.
8078
8079	* c-typeck.c (build_binary_op): Also warn about ordered
8080	comparison of pointer with zero if -Wall.
8081
8082	* expr.c (do_jump, case EQ_EXPR, NE_EXPR): Properly compare complex.
8083
8084Thu May  4 18:01:25 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
8085
8086	* objc/Makefile: NXConstantString renamed to NXConstStr.
8087	* objc/NXConstStr.m: Renamed from objc/NXConstantString.m.
8088	* objc/NXConstStr.h: Renamed from objc/NXConstantString.h.
8089
8090Thu May  4 17:38:21 1995  J.T. Conklin  <jtc@netbsd.org>
8091
8092	* configure (vax-*-netbsd*): New configuration.
8093	* vax/netbsd.h, vax/xm-netbsd.h: New files.
8094
8095Thu May  4 16:39:05 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8096
8097	* collect2.c (main): Add check for 'collect-ld', just like
8098        'real-ld', except that old versions won't be looking for it in the
8099        path.  Don't look for 'real-ld' in the path anymore.  Sigh.
8100
8101	* collect2.c: #include demangle.h and obstack.h.
8102	(obstack_chunk_alloc): Define.
8103	(obstack_chunk_free): Define.
8104	(generic): Don't define.  Don't use.
8105	(main): Initialize obstacks and demangling.
8106
8107	* collect2.c (dump_file): Adjust space padding in output to
8108        maintain tabulation with Solaris ld.  Don't demangle if the
8109        environment variable COLLECT_NO_DEMANGLE is set.
8110
8111        * collect2.c (main): Redirect the output of the first link and
8112        demangle it.  Don't collect static c/dtors unless USE_COLLECT2 is
8113        defined.  Null-terminate the list of objects.
8114	(dump_file): New function.
8115	(file_exists): New function.
8116	(collect_exit): Renamed from my_exit.  Dump and remove the temporary
8117	ld output file.
8118	(collect_execute): Break out from fork_execute.  Support redirection.
8119	(fork_execute): Call it.
8120	(fatal_perror, fatal, error): Make non-static.
8121	(xcalloc, xmalloc): Don't use generic.
8122	(xrealloc): Define.
8123	(collect_wait): Break out for do_wait.  Just return the exit status.
8124	(do_wait): Call it.
8125
8126	* collect2.c: Check SUNOS4_SHARED_LIBRARIES using #if, not #ifdef.
8127
8128	* Makefile.in (collect2): Now uses cplus-dem.o and underscore.o.
8129	(collect2.o): Pass MAYBE_USE_COLLECT2 to compile.
8130	(underscore.c): Rules for creation.
8131
8132	* cplus-dem.c, demangle.h: Copy from libiberty.
8133
8134Thu May  4 14:12:35 1995  Jim Wilson  <wilson@cygnus.com>
8135
8136	* sdbout.c (plain_type): Pass additional argument to plain_type_1.
8137	(plain_type_1): New parameter level.  Increment it when making
8138	recursive calls.  Force the type to void_type_mode before starting
8139	a 7th level of recursion.
8140
8141	* sh.c (general_movsrc_operand, general_movdst_operand): Delete
8142	references to POST_DEC and PRE_INC.
8143	* sh.h: Clean up whitespace, comments, etc.
8144	(TARGET_SH, RTL_BIT, DT_BIT, C_BIT, R_BIT, TARGET_DUMP_RTL,
8145	TARGET_DUMP_R, TARGET_CDUMP): Delete.
8146	(TARGET_SWITCHES): Delete -mR, -mc, -mr options.
8147	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete 'G' contraint.
8148	(FUNCTION_VALUE): Simplify.
8149	(REG_OK_FOR_PRE_POST_P, IS_INDEX): Delete.
8150	(BASE_REGISTER_RTX_P, INDEX_REGISTER_RTX_P): Rewrite to allow
8151	SUBREGs.
8152	(GO_IF_LEGITIMATE_INDEX): Delete unused REGNO argument.
8153	(GO_IF_LEGITIMATE_ADDRESS): Use BASE_REGISTER_RTX_P instead of
8154	REG_OK_FOR_PRE_POST_P.  Don't accept PRE_INC or POST_DEC addresses.
8155	(PREDICATE_CODES, PROMOTE_MODE): Define.
8156
8157Wed May  3 09:57:55 1995  Michael Meissner  <meissner@cygnus.com>
8158
8159	* rs6000/rs6000.md (non power abs insns): If not powerpc, use
8160	sf/subfc instructions, not subf.
8161
8162Wed May  3 08:49:06 1995  Alan Modra  <alan@SPRI.Levels.UniSA.Edu.Au>
8163
8164	* protoize.c (gen_aux_info_file): Use strerror #ifdef HAVE_STRERROR.
8165
8166Wed May  3 01:06:01 1995  Jeffrey A. Law  <law@mole.gnu.ai.mit.edu>
8167
8168	* pa.c (output_call): Fix typo/thinko in last change.
8169	(output_function_epilogue): Align the data section before
8170	emitting deferred plabels.
8171
8172	From Torbjorn:
8173	* pa.c (before functions): Declare deferred_plabels and
8174	n_deferred_plabels.
8175	(output_call): When generating pic, don't use LP and RP.  Use 32 bit
8176	plabel instead.
8177	(output_function_epilogue): Output plabels accumulated in output_call.
8178
8179Tue May  2 17:15:08 1995  Jeffrey A. Law  <law@mole.gnu.ai.mit.edu>
8180
8181	* pa.c (hppa_expand_epilogue): Fix thinko in last change.
8182
8183Tue May  2 16:54:35 1995  Doug Evans  <dje@cygnus.com>
8184
8185	* jump.c (jump_optimize, can_reach_end determination): A barrier can
8186	follow the return insn.
8187
8188Tue May  2 12:39:55 1995  Mike Stump  <mrs@cygnus.com>
8189
8190	* fold-const.c (fold): Ensure that we don't alter the expression's
8191	type when folding CLEANUP_POINT_EXPRs.
8192
8193Tue May  2 13:36:08 1995  Michael Meissner  <meissner@cygnus.com>
8194
8195	* expmed.c (emit_store_flag): When creating store flag
8196	instructions from simpler parts, such as XOR, ABS, etc. do not
8197	reuse pseudo registers if expensive optimizations, instead create new
8198	pseudos for each insn result.
8199
8200Tue May  2 01:25:29 1995  Jeffrey A. Law  <law@snake.cs.utah.edu>
8201
8202	* pa.c (hppa_expand_epilogue): Correctly handle restore of %rp
8203	for functions with a stack size of exactly 8kbytes and no frame
8204	pointer.
8205
8206Mon May  1 19:27:08 1995  Jim Wilson  <wilson@cygnus.com>
8207
8208	* sdbout.c (sdbout_one_type): Don't switch to text section if
8209	in function with section attribute.
8210
8211	* combine.c (combine_instrutions): Set subst_prev_insn to zero.
8212	(try_combine, undo_all): Likewise.
8213	(get_last_value): Return zero if subst_prev_insn set.
8214
8215	* sparc.h (INIT_TARGET_OPTABS): Move INIT_SUBTARGET_OPTABS to end.
8216
8217	* Makefile.in (install-dir): chmod a+rx all newly created directories.
8218
8219	* expr.c (expand_expr, case SAVE_EXPR): Handle the case where
8220	mode is VOIDmode.
8221
8222Fri Apr 28 15:39:38 1995  Per Bothner  <bothner@kalessin.cygnus.com>
8223
8224	* cpplib.h (cpp_buffer):  Note new escape combination "@ ".
8225	* cpplib.c (macroexpand):  Delete "@ " if stringifying.
8226	(cpp_skip_hspace):  Also skip "@ " if input buffer has_escapes.
8227	(collect_expansion):   Cleanup white-space handling.
8228	(create_definition):  Remove all leading spaces, not just first one.
8229	(cpp_expand_to_buffer):  Set has_escapes on resulting input buffer.
8230	(macroexpand):  Set output_escapes during whole function (and
8231	specifically during calls of macarg).
8232	(macroexpand):  Set "@ " before and after expansion result.
8233	(push_macro_expansion):  Remove unneeded initial "@ ", not " ".
8234	(cpp_get_token):  Remove unneeded "@ " (not " ") at end of expansion.
8235	(cpp_get_token):  Handle "@ ".
8236
8237	* cpplib.c (read_name_map):  Add cpp_reader parameter.  Access
8238	map_list from former (instead of having it be static).
8239	(open_include_file):  Extra parameter (because of above changes).
8240	(do_include, lookup_import):  Update calls of open_include_file.
8241
8242	* cpplib.c (do_include):  Fix memory leak.
8243
8244	* cpplib.c (delete_assertion):  Also delete tokenlist.
8245	(do_unassert):  Don't delete tokenlist (handled by delete_assertion).
8246	(cpp_cleanup):  New function.  Frees resources used by a cpp_reader.
8247	* cpphash.c (cpp_hash_cleanup):  New function.
8248	(delete_macro):  Enable commented-out code.
8249	(file_cleanup):  Free actual buffer.
8250
8251	* cpplib.c (cpp_options):  Add map_list.
8252
8253	* cpplib.h (PARSE_GETC):  Removed.  Bogus and unused.
8254	* cppmain.c (main):  Remove commented-out code that used PARSE_GETC.
8255
8256	* cpplib.c:  Don't #include <string.h>.  Causes clashes
8257	on Nextstep (when index/rindex are macros).
8258	(cpp_grow_buffer, int_parse_file):  Cast to U_CHAR*, rather than char*.
8259
8260Sun Apr 30 08:11:23 1995  Alan Modra  (alan@spri.levels.unisa.edu.au)
8261
8262	* stdarg.h, varargs.h (va_arg): Don't assume __va_rounded_size (char)
8263	has the value of 4.
8264
8265Sun Apr 30 07:13:43 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8266
8267	* vax.h (NOTICE_UPDATE_CC): Correctly handle aob insns.
8268
8269	* expr.c (expand_expr, case CONSTRUCTOR): Don't set target to
8270	zero if more then one word.
8271	Pass size and alignment to move_by_pieces_ninsns in bytes, not bits.
8272
8273	* cse.c (cse_insn): Properly set IN_MEMORY for SET_DEST.
8274
8275	* tree.c (substitute_in_expr): Preserve TREE_READONLY.
8276
8277	* c-common.c (enum attrs): Add A_UNUSED.
8278	(init_attributes): Initialize it.
8279	(decl_attributes, case A_UNUSED): New case.
8280
8281Sat Apr 29 15:42:03 1995  Paul Eggert  <eggert@twinsun.com>
8282
8283	* cccp.c (do_include): Re-fix minor memory leak by using
8284	alloca instead of xmalloc and free.
8285
8286	* cccp.c (macarg): Except for reporting error, treat unterminated
8287	macro call as if it were terminated, since `macroexpand' relies
8288	on *argptr being filled in.
8289
8290Sat Apr 29 06:09:35 1995  Torbjorn Granlund  <tege@cygnus.com>
8291
8292	* pa.c (output_mul_insn): Simplify, it is never called with
8293	UNSIGNEDP set.
8294
8295	* pa.md (divsi3, udivsi3, modsi3, umodsi3): Simplify.
8296	(ashlsi3): Clean up indentation and commentary.
8297
8298Fri Apr 28 12:48:01 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8299
8300	* integrate.c (expand_inline_function): Don't emit any notes until
8301        after we've expanded the actual parameters.
8302
8303Fri Apr 28 11:51:06 1995  Stan Cox  (gcc@dg-rtp.dg.com)
8304
8305        * m88k/dgux.h: (ENDFILE_SPEC, LIB_SPEC) Fix crtbegin and crtend
8306        (SELECT_RTX_SECTION) Put relocatable pic constants in data section
8307
8308        * m88k/dguxbcs.h: (LIB_SPEC) Likewise
8309
8310        * m88k/m88k.c: (symbolic_operand) Put relocatable pic constants in data
8311
8312        * m88k/m88k.h: (FRAME_POINTER_REQUIRED) Add -momit-leaf-frame-pointer
8313
8314        * m88k/m88k.md: (umulsidi3) Doesn't work for 88110 with mod/div changes
8315
8316        * m88k/x-dgux: (GCC_FOR_TARGET) tdesc gets mixed up for crtbegin/crtend
8317
8318Fri Apr 28 06:36:47 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8319
8320	* c-typeck.c (pop_init_level, output_init_element): Pass
8321	require_constant_* to digest_init.
8322
8323	* alpha.c (alpha_emit_set_const): Now returns rtx and take MODE arg.
8324	Rework to use a new pseudo for intermediate values if high opt level.
8325	Also use expand_{bin,un}op.
8326	* alpha.h (alpha_emit_set_const): Add declaration.
8327	* alpha.md (mov[sd]i and splits): Change call to alpha_emit_set_const.
8328
8329	* reg-stack.c (stack_result): Fix bug in last change.
8330
8331Fri Apr 28 01:08:43 1995  Doug Evans  <dje@cygnus.com>
8332
8333	* objc-act.c: Update calls to start_decl, finish_struct,
8334	pass NULLs for attributes.
8335
8336Thu Apr 27 21:13:14 1995  Doug Evans  <dje@cygnus.com>
8337
8338	* sparc.md (tablejump): Only if ! TARGET_MEDANY.
8339	(casesi): New pattern for TARGET_MEDANY case.
8340
8341	* c-common.c (decl_attributes): Always continue if attribute not found.
8342	* c-typeck.c (common_type): Call lookup_attribute instead of
8343	value_member.
8344	* tree.c (attribute_hash_list): New function.
8345	(build_type_attribute_variant): Call it.
8346	(valid_machine_attribute): Handle attributes with arguments.
8347	(is_attribute_p): New function.
8348	(lookup_attribute): New function.
8349	(attribute_in_list): Deleted.
8350	(attribute_list_contained): Check TREE_PURPOSE and TREE_VALUE.
8351	* tree.h (valid_machine_attribute): Add prototype.
8352	(is_attribute_p, lookup_attribute): Likewise.
8353	* i386/winnt.h (RETURN_POPS_ARGS): Call lookup_attribute.
8354	(ENCODE_SECTION_INFO): Likewise.
8355	(CPP_PREDEFINES): Use __stdcall__, __cdecl__.
8356	(VALID_MACHINE_DECL_ATTRIBUTE): Call is_attribute_p.
8357	`args' must be NULL.
8358
8359Thu Apr 27 21:10:41 1995  David Edelsohn  <edelsohn@mhpcc.edu>
8360
8361	* rs6000.md (insv): New anonymous patterns to combine insert with
8362	arbitrary ashift, ashiftrt, lshiftrt, or zero_extract.  (Based on
8363	patch from John Brooks <jbrooks@ea.com>.)
8364	(ashlsi3): Remove extraneous operand processing.
8365
8366Thu Apr 27 18:47:24 1995  Jim Wilson  <wilson@cygnus.com>
8367
8368	* sh/ashlsi3.c, sh/ashrsi3.c, sh/lshrsi3.c: Delete.
8369	* sh/lib1funcs.asm (ashiftrt_r4_*): Rewrite for efficiency.
8370	(ashrsi3, lshrsi3, lshrsi3): Add.
8371	* t-sh (LIB1ASMFUNCS): Add new functions.
8372	(LIBGCC2_CFLAGS): Delete.
8373	(LIB2FUNCS_EXTRA): Remove deleted files.
8374	(ashlsi3.c, ashrsi3.c, lshrsi3.c): Remove rules for deleted files.
8375
8376	* stmt.c (expand_return): When returning BLKmode structure, use
8377	operand_subword instead of doing arithmetic on the register number.
8378	Also, for structures smaller than word_mode, copy it into a word_mode
8379	temporary and then subreg it.
8380
8381	* sparc.md: Delete two define_peepholes which print `bad peephole'.
8382
8383Thu Apr 27 16:17:01 1995  Torbjorn Granlund  <tege@cygnus.com>
8384
8385	* toplev.c (rest_of_compilation): Call shorten_branches even when
8386	!optimize.
8387	* final.c (shorten_branches): For non-optimizing compiles, break
8388	after first pass.
8389
8390Thu Apr 27 14:22:50 1995  Michael Meissner  <meissner@cygnus.com>
8391
8392	* i386/linux-oldld.h: New file, that is cloned from linux-aout.h,
8393	except that it does not pass -m i386linux to the linker.  This is
8394	to support the original GNU/Linux ld that is on most distributions.
8395
8396	* configure (i[345]86-*-linux*oldld*): Use i386/linux-oldld.h as
8397	the target file.
8398
8399Thu Apr 27 08:56:50 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8400
8401	* tree.c (valid_machine_attribute): Update last change.
8402
8403Thu Apr 27 08:06:33 1995  Philippe De Muyter (phdm@info.ucl.ac.be)
8404
8405	* fix-header.c, cpplib.c: Don't include <sys/stat.h> twice.
8406	* cpplib.c (cpp_grow_buffer, init_parse_file): Cast {xmalloc,xrealloc}
8407	for token_buffer to U_CHAR* instead of char*.
8408
8409	* m68k/x-mot3300: New file.
8410	* configure (m68k-motorola-sysv*): Use x-mot3300 instead of x-alloca.
8411
8412Thu Apr 27 07:04:09 1995  Paul Eggert  <eggert@twinsun.com>
8413
8414	* cccp.c (do_include): Fix minor memory leak.
8415
8416	* cccp.c (struct argdata): Remove unused `comments' member.
8417	(macarg): Don't set `comments' member.
8418
8419	* cccp.c (collect_expansion): Assume leading white space
8420	already removed.
8421	Don't allocate unnecessary space for expansion.
8422
8423	* cccp.c (deps_output): Don't generate overly long output lines.
8424	Do not invoke self recursively with spacer == 0; this simplifies
8425	the code a bit.
8426
8427Wed Apr 26 19:20:02 1995  Andrew McCallum  <mccallum@leopard.cs.rochester.edu>
8428
8429	* objc/Object.h: Changed Class * to Class in order to match NEXTSTEP
8430	and OpenStep runtime.
8431	* objc/Object.m, objc/Object.h, objc/archive.c, objc/class.c: Likewise.
8432	* objc/encoding.c, objc/init.c, objc/objc-api.h, objc/objc.h: Likewise.
8433	* objc/objects.c, objc/runtime.h, objc/selector.c: Likewise.
8434	* objc/sendmsg.c, objc/typedstream.h: Likewise.
8435
8436Wed Apr 26 19:18:52 1995  Pieter Schoenmakers  <tiggr@es.ele.tue.nl>
8437
8438	* objc/objc-api.h (objc_static_instances): New struct to record
8439	static instances of a certain class.
8440	(objc_module): New tag STATICS to point to the table of
8441	objc_statics_instances.
8442
8443	* objc/init.c (OBJC_VERSION): Version 7.
8444	(objc_init_statics): New function.
8445	(__objc_exec_class): Invoke objc_init_statics if needed.
8446
8447	* objc/NXConstantString.m, objc/NXConstantString.h: New files.
8448	* objc/Makefile (OBJC_O): Added bare-bones implementation of
8449	NXConstantString.
8450
8451	* objc-act.c (OBJC_VERSION): Version 7.
8452	(build_objc_string_object): Build a full declaration if not using
8453	the next runtime.
8454	(objc_add_static_instance): New function.
8455	(init_module_descriptor): Add reference to static instances table.
8456	(build_module_descriptor): Add field for static instances table.
8457	(get_objc_string_decl): New function.
8458	(generate_static_references): New function.
8459	(finish_objc): Call generate_static_references if needed.
8460
8461	* c-tree.h (finish_decl_top_level): New declaration.
8462	* c-decl.c (finish_decl_top_level): New function.
8463
8464Wed Apr 26 18:04:32 1995  Dirk Steinberg  (Dirk.Steinberg@gmd.de)
8465
8466	* stddef.h: Treat _MACHINE_ANSI_H_ like _ANSI_H_.
8467
8468Wed Apr 26 14:09:59 1995  Jim Wilson  <wilson@cygnus.com>
8469
8470	* sparc.h (NEGTF2_LIBCALL): Define.
8471	(INIT_TARGET_OPTABS): Add support for all TFmode *_LIBCALL macros.
8472	* optabs.c (init_optabs): Delete all uses of undocumented TImode and
8473	TFmode *_LIBCALL macros.
8474
8475	* combine.c (simplify_rtx, case TRUNCATE): Add.  Use force_to_mode.
8476	(force_to_mode, case AND): Allow some simplifications when GET_MODE (x)
8477	has more bits than HOST_BITS_PER_WIDE_INT.
8478	* mips/mips.md (truncdiqi2+[456]): Add patterns to simplify ZERO_EXTEND
8479	of a TRUNCATE.
8480
8481Wed Apr 26 13:01:22 1995  Doug Evans  <dje@cygnus.com>
8482
8483	* sparc.md (memop define_splits): Rewrite to not use memop.
8484	Preserve MEM_IN_STRUCT_P, MEM_VOLATILE_P, RTX_UNCHANGING_P bits.
8485	* sparc.c (memop): Deleted.
8486	(splittable_symbolic_memory_operand): New function.
8487	(splittable_immediate_memory_operand): New function.
8488
8489Wed Apr 26 12:54:26 1995  Jeffrey A. Law  <law@snake.cs.utah.edu>
8490
8491	* configure: Add hppa1.1-hp-lites support.
8492
8493Wed Apr 26 08:04:46 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8494
8495	* sh.md (ashrsi2_31): Don't use dead_or_set_p after reload.
8496	* pyr.md: Remove bad peepholes that improperly use dead_or_set_p.
8497
8498	* function.c (expand_function_end): Warn about unused parms
8499	if both -Wunused and -W.
8500
8501	* tree.h (TYPE_PARSE_INFO): Delete unused field.
8502	(TYPE_PACKED): Add new macro.
8503	(struct tree_type): Delete unused field `parse_info'.
8504	Add new field `packed_flag'.
8505	* c-tree.h (finish_enum, finish_struct): Add ATTRIBUTES argument.
8506	* c-common.c (init_attributes): Don't require decl for A_PACKED.
8507	(decl_attributes, case A_PACKED): Set TYPE_PACKED for type.
8508	* c-parse.in: Update number of shift/reduce conflicts.
8509	(structsp): Pass attribute arg to finish_struct.
8510	Support attributes on enums and pass to finish_enum.
8511	* c-decl.c (finish_struct): Add ATTRIBUTES argument, call
8512	decl_attributes and set DECL_PACKED from TYPE_PACKED.
8513	(finish_enum): Add ATTRIBUTES argument, call decl_attributes,
8514	and make enum narrow if TYPE_PACKED.
8515	* print-tree.c (print_node): Print TYPE_PACKED.
8516
8517	* c-decl.c (init_decl_processing): Don't give builtin__constant_p an
8518	argument type.
8519	* expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): A pointer to a
8520	string constant is a constant.
8521
8522	* c-typeck.c (output_init_element): Constructor is not simple if
8523	a bitfield is being assigned a non-integer.
8524
8525	* c-typeck.c (push_init_level): Update constructor_depth when we
8526	push spelling level.
8527
8528Tue Apr 25 19:50:06 1995  Jeffrey A. Law  <law@snake.cs.utah.edu>
8529
8530	* pa.c (emit_move_sequence): Handle function label arithmetic for
8531	PIC code generation too.
8532
8533Tue Apr 25 18:52:43 1995  Stephen R. van den Berg  (berg@pool.informatik.rwth-aachen.de)
8534
8535	* reg-stack.c (current_function_returns_real): Deleted (unused).
8536	(FP_mode_reg): Trimmed to a smaller size, less overhead.
8537	(FP_MODE_REG): New macro over which FP_mode_reg will be accessed.
8538	(mark_regs_pat, straighten_stack): New functions.
8539	(reg_to_stack): Amend initialisation of FP_mode_reg.
8540	Mark FP registers mentioned in USE insns before NOTE_INSN_FUNCTION_BEG.
8541	(get_true_reg): Eliminate FP subreg accesses in favor of the
8542	actual FP register in use.
8543	(record_reg_life_pat): Make it work on SUBREGs as well.  Make use of
8544	the new mark_regs_pat function.  Handle USE insns if called unnested.
8545	(record_reg_life): Don't check for QImode again, we know that it
8546	is there.  Process CALL_INSNs like all other insns, they might `use'
8547	some FP argument registers if register passing.
8548	(stack_result_p): Changed in stack_result and returning an rtx.
8549	(stack_reg_life_analysis): Take a new stackentry state argument.
8550	Use stack_result and the rtx to mark using mark_regs_pat.  This ensures
8551	that types that need multiple FP registers are handled correctly.
8552	Delete the no_live_regs shortcut to save space.
8553	Use stackentry state to determine filled registers.
8554	(replace_reg): Accept COMPLEX_FLOAT as well.
8555	(move_for_stack_reg): Optimize away some pointer dereferencing.
8556	(subst_stack_regs): Make sure the stack is in the right order
8557	and of the right size for register passing.
8558	(goto_block_pat): Make sure the stack is in the right order
8559	to return possible multi-register values from the function.
8560	(convert_regs): Fix comment about CALL_INSN, it's no longer valid.
8561	Make sure the stack is of the right size and in the right order
8562	to return possible multi-register values from the function.
8563
8564	* function.c (assign_parms): If STACK_REGS is defined, generate USE
8565	insns before the function body, thus showing which registers are filled
8566	with parameters.
8567	* expr.c (expand_builtin_apply_args): Likewise.
8568	Reverse order of saving registers, more compact code for i387.
8569	(expand_builtin_apply): Likewise.
8570	* emit-rtl.c (gen_highpart): Add comment about broken implementation.
8571	* i386.md (untyped_call): Make it return a complex double.
8572
8573        * c-parse.in (attrib): Permit null-length argument list to attributes.
8574
8575	* tree.c (valid_machine_attribute): Use new function attribute_in_list,
8576	makes sure type_attribute_variants are reused even when attributes have
8577	parameters.
8578	Assign any new type to TREE_TYPE (decl).
8579	(attribute_in_list): New function.
8580	(attribute_list_contained): Use it.
8581	* tree.h (attribute_in_list): New declaration.
8582
8583Tue Apr 25 18:25:53 1995  Jim Wilson  <wilson@cygnus.com>
8584
8585	* expr.c (struct move_by_pieces): Add to_struct and from_struct fields.
8586	(move_by_pieces): Set to_struct and from_struct fields.
8587	(move_by_pieces_1): Set MEM_IN_STRUCT_P of to1 and from1.
8588	(expand_builtin, case BUILT_IN_MEMCPY): New variable type.
8589	Set MEM_IN_STRUCT_P of src_mem and dest_mem.
8590
8591	* Makefile.in (clean): Delete libgcc1-asm.a.
8592
8593	* m68k/vxm68k.h (CPP_SPEC): Define.
8594
8595	* c-decl.c (pushdecl): Don't test DECL_EXTERNAL when deciding whether
8596	to register a duplicate decl in the current block.
8597
8598	* cross64.h (INIT_ENVIRONMENT): Define as string not putenv call.
8599	* gcc.c (main): Pass INIT_ENVIRONMENT to putenv.
8600
8601	* stmt.c (expand_return): When returning BLKmode structure in
8602	registers, copy it to a psuedo-reg instead of to hard registers.
8603
8604Tue Apr 25 15:14:58 1995  Michael Meissner  <meissner@cygnus.com>
8605
8606	* rs6000.h (LEGITIMIZE_ADDRESS): Don't create a DF address using two
8607	regs if -msoft-float or -mcpu=403.
8608
8609Tue Apr 25 15:45:44 1995  Richard Henderson  (richard@atheist.tamu.edu)
8610
8611	* m68k.md (divhi3, udivhi3, modhi3, umodhi3): Deleted
8612	these insns plus some surrounding trash.
8613 	(divmodhi4, udivmodhi4): Added these insns.
8614
8615Tue Apr 25 10:12:40 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8616
8617	* alpha.c (alpha_builtin_saveregs): Refine last change to work
8618	for both stdarg and varargs.
8619
8620	* tree.c (chain_member_purpose): Make similar to chain_member_value.
8621
8622	* Makefile.in, configure: Change "realclean" to "maintainer-clean".
8623
8624	* protoize.c: Removed __NetBSD__ from conditional.
8625	Declare strerror if HAVE_STRERROR is defined; otherwise
8626	declare sys_errlist and sys_nerr.
8627	(my_strerror): New function.
8628	(errno): Don't define if already defined as a macro.
8629
8630	* alpha.c (current_file_function_operand): Return false if profiling.
8631
8632	* expr.c (convert_move): Don't access a hard reg in an invalid
8633	mode when doing a truncation.
8634
8635	* alpha.c (add_operand): Test for exactly the constants allowed by
8636	the constraints.
8637	* alpha.h (CONST_OK_FOR_LETTER_P, case 'L'): Reject 0x80000000.
8638
8639	* c-parse.in (initdcl, notype_initdcl): Pass attributes to
8640	start_decl; delete call to decl_attributes.
8641	* c-tree.h (start_decl): Two new tree parameters.
8642	* c-decl.c (start_decl): New args for attributes; call decl_attributes.
8643
8644	* c-decl.c (duplicate_decls): Don't look at TYPE_ACTUAL_ARG_TYPES
8645	if it is not set.
8646
8647	* xm-1750a.h: New file.
8648
8649	* alpha.c (alpha_builtin_saveregs): Add to incoming args addr
8650	if less than 6 named args, not less than or equal to.
8651
8652Mon Apr 24 15:25:19 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8653
8654	* mips-tfile.c (fatal, error): Make first arg const to avoid warning.
8655
8656	* stmt.c (expand_end_bindings): Write a BARRIER after call
8657	to abort in nonlocal handler.
8658
8659	* stmt.c (expand_decl_init): Call preserve_temp_slots to keep
8660	around any temp whose address was taken.
8661
8662Fri Apr 21 16:26:15 1995  Torbjorn Granlund  <tege@adder.cygnus.com>
8663
8664	* pa.md (call_internal_reg): Fix typos in length calculation.
8665	(call_value_internal_reg): Likewise.
8666
8667Fri Apr 21 13:17:15 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
8668
8669	* config/gnu.h (STANDARD_INCLUDE_DIR): New macro.
8670	* config/mips/gnu.h (STANDARD_INCLUDE_DIR): Macro moved there.
8671
8672Fri Apr 21 08:23:58 1995  Tom Quiggle  (quiggle@lovelace.engr.sgi.com)
8673
8674	* toplev.c (lang_options): Add -I for GNAT.
8675	* gcc.c (default_compilers): Pass -I to gnat1.
8676
8677Fri Apr 21 07:58:06 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8678
8679	* tree.c (integer_all_onesp): Test to size of mode, not TYPE_PRECISION.
8680
8681	* toplev.c (main): Turn on -fforce-mem for -O2.
8682
8683	* fold-const.c ([lr]rotate_double): Replace; old versions were bogus.
8684	(fold, shift and rotate): Don't call tree_int_cst_sgn on non-integer.
8685	(fold, case LROTATE_EXPR): If constant count, convert to RROTATE_EXPR.
8686	(fold, case RROTATE_EXPR): Sometimes commute logical op with rotate.
8687	Delete pair of counteracting shifts.
8688
8689	* combine.c (simplify_logical, case AND): If still an AND, get
8690	new values for op0 and op1.
8691
8692Thu Apr 20 17:52:10 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
8693
8694	* sh.c: Completely rewritten.
8695	* sh.h (FAST_BIT, CONSTLEN_2_BIT, CONSTLEN_3_BIT, CONSTLEN_0_BIT,
8696	TARGET_FASTCODE, TARGET_CLEN3, TARGET_CLEN0, TARGET_OPTIONS): Delete.
8697	(TARGET_SWITCHES): Delete -mclen3 and -mclen0 options.
8698	(TARGET_DEFAULT): Is zero.
8699	(OVERRIDE_OPTIONS): Delete code to set max_count_si and max_count_hi.
8700	(SPECIAL_REG): New macro.
8701	(HARD_REGNO_MODE_OK): Allow any mode in any general register.
8702	(GO_IF_LEGITIMATE_ADDRESS): Delete constant + reg address case.
8703	(MOVE_RATIO): Define to 2 when TARGET_SMALLCODE.
8704	(max_si, max_hi, max_count_si, max_count_hi): Delete.
8705	* sh.md: Delete spurious constraints from all define_expands.
8706	(rotlsi3_1): Set T reg instead of clobbering it.
8707	(ashrsi3): Use expand_ashiftrt instead of gen_shifty_op.
8708	(movsi_i, movhi_i, movsf_i): Add conditions to reject patterns
8709	needing a reload.
8710	(movdi-2, movdf_k): Correct conditions to reject patterns needing
8711	a reload.
8712	([inverse_]branch_{true,false}): Pass operands to output_branch.
8713	(jump): Delete unnecessary braces.
8714	(call, call_value): Don't use expand_acall.  Force operand0 into
8715	a register.
8716
8717Thu Apr 20 12:57:16 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8718
8719	* function.c (assign_parms): Use TREE_ADDRESSABLE rather than
8720        TYPE_NEEDS_CONSTRUCTING to decide whether a parameter needs to be
8721        passed by invisible reference.
8722
8723	* calls.c (expand_call): Ditto.  Abort if we try to pre-evaluate a
8724        parameter of TREE_ADDRESSABLE type.
8725
8726Wed Apr 19 17:50:24 1995  Torbjorn Granlund  <tege@cygnus.com>
8727
8728	* pa.h (TARGET_SWITCHES): Fix typo.
8729
8730Tue Apr 18 18:06:03 1995  Per Bothner  <bothner@kalessin.cygnus.com>
8731
8732	* expr.c (store_constructor):  Use BYTES_BIG_ENDIAN rather
8733	than BITS_BIG_ENDIAN to layout bits within bitstring.
8734	* tree.c (get_set_constructor_bytes):  Likewise.
8735
8736Tue Apr 18 17:22:46 1995  Per Bothner  (bothner@wombat.gnu.ai.mit.edu)
8737
8738	* config/m68k/{x-hp320,x-hp320g} (FIXPROTO_DEFINES):
8739	Define _HPUX_SOURCE so putenv and other functions get seen.
8740
8741Tue Apr 18 03:57:35 1995  Michael Meissner  (meissner@cygnus.com)
8742
8743	* varasm.c (weak_decls): Make this a unique structure, instead of
8744	a tree structure.
8745	(handle_pragma_weak): Don't redeclare asm_out_file.  Use new weak
8746	structure to copy name and value to.  Protect name and value by
8747	copying them to the permanent obstack.
8748	(declare_weak): Call handle_pragma_weak, instead of duplicating
8749	the code.
8750	(finish_weak): Rewrite to use new weak symbols list structure.
8751
8752	* c-pragma.h: New file to define the c-pragma.c interfaces.
8753	* c-pragma.c: Include it.
8754	* varasm.c: Include it.
8755	* c-lex.c: Include it.
8756	* cp/lex.c: Include it.
8757
8758	* varasm.c (handle_pragma_weak): No longer pass output file
8759	stream, since weak pragmas are delayed until the end of the
8760	compilation.
8761	* c-pragma.c (handle_pragma_token): Call handle_pragma_weak
8762	without file stream argument.
8763
8764	* Makefile.in (varasm.o, c-lex.o, c-pragma.o): Add dependencies on
8765	c-pragma.h.
8766
8767	* config/rs6000.md (movdf): If -msoft-float, do not generate
8768	memory to memory references, like is already done for the
8769	-mhard-float case.  Remove an extra test for -mhard-float inside
8770	of -mhard-float code.
8771
8772Tue Apr 18 06:19:50 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8773
8774	* fold-const.c (size_int): Arg is unsigned HOST_WIDE_INT.
8775	* tree.h (size_int): Likewise.
8776
8777Mon Apr 17 23:36:57 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8778
8779	* rs6000/aix41.h: Restore March 11th changes, plus
8780        (ASM_OUTPUT_EXTERNAL): Do add [DS] or [RW], just don't emit
8781        anything.
8782	* rs6000/aix3newas.h (ASM_OUTPUT_EXTERNAL): Ditto.
8783
8784Mon Apr 17 15:58:52 1995  Per Bothner  <bothner@kalessin.cygnus.com>
8785
8786	* config/mips/x-iris (FIXPROTO_DEFINES):  Add -D_LANGUAGE_C_PLUS_PLUS.
8787	* config/mips/x-iris6:  Likewise.
8788
8789	* cpplib.c:  Rename  make_definition to cpp_define.
8790	* cpplib.h (cpp_define):  New declaration.
8791
8792	* cpplib.c (special_symbol):  For T_SPECLINE, calculate __LINE__
8793	in enclosing file buffer, not current buffer (if macro expanding).
8794	(cpp_get_token):  Fix thinko (in code for chopping unneeded space).
8795
8796Mon Apr 17 11:36:07 1995  Jim Wilson  <wilson@cygnus.com>
8797
8798	* abi64.h (CPP_SPECS): Define and use _ABI64 instead of
8799	_MIPS_SIM_ABI64.
8800	(SETUP_INCOMING_VARARGS): Set MEM_IN_STRUCT_P if big endian target.
8801	* iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Define.
8802
8803	* combine.c (get_last_value): Ignore BARRIER when scanning backwards.
8804	(move_deaths): New variables before_dead and after_dead.  Set them
8805	to instructions that have valid INSN_CUID values and use in test.
8806
8807	* combine.c (subst_prev_insn): New variable.
8808	(try_combine): Set it.
8809	(get_last_value): Use it.
8810
8811	* reload.c (find_reloads): Recompute reg_equiv_address from
8812	reg_equiv_memory_loc before using it.
8813	(find_reloads_toplev, make_memloc): Likewise.
8814
8815	* expr.c (expand_builtin, case BUILT_IN_MEMCPY): Call force_operand
8816	on dest_rtx before returning it.
8817
8818	* function.c (instantiate_decls): Use temporary allocation if
8819	DECL_DEFER_OUTPUT is set.
8820
8821Sat Apr 15 23:19:03 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8822
8823	* aoutos.h (ASM_OUTPUT_DEF): Define instead of SET_ASM_OP.
8824	* sparc/sunos4.h (ASM_OUTPUT_DEF): Ditto.
8825
8826	* varasm.c (weak_finish): Don't handle aliases.
8827	(declare_weak): Ditto.
8828	(assemble_alias): Handle aliases.
8829
8830	* c-common.c (enum attrs): Add A_ALIAS.
8831	(init_attributes): Ditto.
8832	(decl_attributes): Ditto.
8833
8834Sat Apr 15 13:26:34 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8835
8836	* calls.c (expand_call): Call preserve_temp_slots on temps
8837	made for BLKmode args returned in registers.
8838
8839	* pa.c (override_options): Fix typo.
8840
8841Sat Apr 15 12:11:46 1995  Brendan Kehoe  <brendan@cygnus.com>
8842
8843	* alpha/alpha.c (output_epilog): Initialize fp_offset to 0, and
8844	make sure it's nonzero before we try to use it to restore the
8845	frame pointer.
8846
8847Fri Apr 14 19:45:05 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8848
8849	* ginclude/va-{clipper,pa,pyr,sparc,spur}.h (va_arg): Reorganize
8850        to avoid BIND_EXPRs and COND_EXPRs of aggregate type.
8851
8852Fri Apr 14 19:31:14 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
8853
8854	* config/svr4.h (ASM_OUTPUT_SECTION_NAME): Make the section
8855 	read-only executable "ax" if DECL is a FUNCTION_DECL; read-only
8856 	"a" (previously the case always) if DECL is TREE_READONLY;
8857 	otherwise writable "aw".
8858
8859Fri Apr 14 18:49:11 1995  Linus Torvalds  <Linus.Torvalds@cs.Helsinki.FI>
8860
8861	* alpha.md (probe_stack): Probe with write, not read.
8862	(allocate_stack): Update and correct stack probe code.
8863	* alpha.c (output_prolog): Changed stack probe at function entry.
8864
8865Fri Apr 14 18:42:34 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8866
8867	* jump.c (delete_insn): When deleting after label, delete
8868	a BARRIER as well.
8869
8870Fri Apr 14 14:40:48 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8871
8872	* toplev.c (compile_file): Call weak_finish.
8873
8874	* c-common.c (enum attrs): Add A_WEAK.
8875	(init_attributes): Ditto.
8876	(decl_attributes): Support __attribute__ ((weak)) by
8877        calling declare_weak.
8878
8879	* sparc/sunos4.h (HANDLE_PRAGMA_WEAK, WEAK_ASM_OP, SET_ASM_OP):
8880        Define to support weak symbols with -fgnu-linker.
8881	* aoutos.h: Ditto.
8882
8883	* varasm.c (handle_pragma_weak): Add declared weak symbols to
8884        weak_decls rather than emitting them immediately.
8885	(declare_weak): Add the indicated declaration to weak_decls.
8886	(weak_finish): Emit .weak directives for any weak symbols.
8887
8888	* libgcc2.c: The C++ free-store management functions are weak.
8889
8890Fri Apr 14 13:00:29 1995  Michael Meissner  (meissner@cygnus.com)
8891
8892	* rs6000/rs6000.c (output_prolog): For eabi systems, emit main's
8893	call to __eabi before setting up the minimal TOC used with the
8894	-mrelocatable support.
8895
8896	* rs6000/eabi.h (INVOKE__main): Don't define any more,
8897	output_prolog will emit the call.
8898
8899Fri Apr 14 09:09:03 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8900
8901	* alpha.c (call_operand): Any reg is valid for NT.
8902	(output_prologue): Never need GP for Windows/NT.
8903	Set SYMBOL_REF_FLAG in current function decl.
8904
8905Thu Apr 13 20:19:30 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
8906
8907	* alpha/xm-alpha.h (HAVE_VPRINTF): Define.
8908	(HAVE_PUTENV): Define.
8909	(POSIX): Define.
8910
8911Thu Apr 13 19:57:44 1995  Doug Evans  <dje@cygnus.com>
8912
8913	* emit-rtl.c (gen_sequence): If the insn has a non-null
8914	CALL_INSN_FUNCTION_USAGE field, output it as a sequence so the
8915	latter isn't discarded.
8916
8917	* c-parse.in: Update expected conflict count.
8918
8919Thu Apr 13 08:10:20 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
8920
8921	* configure.bat: Arg 2 is which machine (i386 or alpha).
8922	* configure (alpha-*-winnt3*): New configuration.
8923	* alpha.c: Don't #include stamp.h for WINNT.
8924	(input_operand, case CONST): Allow ptr_mode and DImode.
8925	* alpha.h (WINDOWS_NT): Provide default definition.
8926	(ASM_OUTPUT_INT): Use output_addr_const.
8927	(ASM_OUTPUT_ADDR_DIFF_ELT): Use .long for NT.
8928	* alpha.md (calll, tablejump, movsi): New variants for NT.
8929	* alpha/winnt.h, alpha/xm-winnt.h, alpha/x-winnt: New files.
8930	* alpha/config-nt.bat, alpha/config-nt.sed: New files.
8931	* i386/config-nt.bat: Add Ada fragments to Makefile.
8932	* i386/config-nt.sed: Adjust for deletion of config.run in Makefile.in
8933	Change version to 2.6.3.
8934	Add some missing tabs.
8935	* winnt/winnt.h (TARGET_MEM_FUNCTIONS): Define.
8936	(LINK_SPEC): Delete "align:0x1000".
8937	* winnt/xm-winnt.h (OBJECT_SUFFIX): Define.
8938	* ginclude/stdarg.h, ginclude/varargs.h: Clean up code that
8939	defines *DEFINED* symbols.
8940
8941	* configure (a29k-*-sym1*): Same as a29k-*-bsd*.
8942	* a29k.h (ASM_OUTPUT_SECTION_NAME): New macro.
8943
8944Wed Apr 12 14:36:03 1995  Jim Wilson  <wilson@cygnus.com>
8945
8946	* dbxout.c (dbxout_type_fields): Correct arguments to CHARS macro
8947	in flag_minimal_debug case.
8948	(dbxout_symbol_name): Use DECL_ASSEMBLER_NAME unconditionally.
8949	* sdbout.c (sdbout_record_type_name): Correct indentation.
8950	(sdbout_symbol): Use DECL_ASSEMBLER_NAME unconditionally.
8951	(sdbout_one_type): Likewise.
8952
8953Tue Apr 11 13:24:13 1995  Per Bothner  <bothner@kalessin.cygnus.com>
8954
8955	* fix-header.c (main):  Fix loop over required_functions_list.
8956	(fatal):  Also print inc_filename.
8957
8958	* cpplib.c (cpp_push_buffer):  Added missing initializatuon of buf.
8959	(cpp_file_buffer):  Compare against CPP_NULL_BUFFER, not NULL.
8960	(finclude):  No longer call cpp_push_buffer - let callers do it.
8961	(do_include):  Add call to cpp_push_buffer.
8962	(push_parse_file):  Call cpp_push_buffer early, so initial
8963	defines can use file and line from a valid cpp_buffer.
8964	(nreverse_pending):  New function.
8965	(push_parse_file):  Use nreverse_pending.
8966	(push_parse_file):  For -include files, just push them in reverse
8967	order - we don't need to scan them now.
8968	(cpp_error_from_errno, cpp_perror_with_name):  Don't emit extra '\n'.
8969
8970Tue Apr 11 13:36:44 1995  Jim Wilson  <wilson@cygnus.com>
8971
8972	* configure (mips-dec-mach3): Add.
8973
8974	* sh.c (shiftby_operand): Delete.
8975	* sh.h (TARGET_SWITCHES): -m3 and -m3l also set SH2_BIT.
8976	(OVERRIDE_OPTIONS): Don't add CPU_SH2 to CPU_SH3 when TARGET_SH3.
8977	* sh.md (ashlsi3): Use nonmemory_operand as a predicate instead of
8978	shiftby_operand.  Don't use shiftby_operand in the output statement.
8979	(lshrsi3): Likewise.
8980
8981	* c-decl.c (poplevel): Do output inline function if
8982	DECL_ABSTRACT_ORIGIN points to itself.
8983
8984	* varasm.c (output_constant): Cast assemble_string argument to char *.
8985
8986Mon Apr 10 14:29:28 1995  Torbjorn Granlund  <tege@adder.cygnus.com>
8987
8988	* recog.c (constrain_operands, case 'E'): Make this work like
8989	constraint character `F' when REAL_ARITHMETIC is defined.
8990	* regclass.c (record_reg_classes, case 'E'): Likewise.
8991	* reload.c (find_reloads, case 'E'): Likewise.
8992
8993Mon Apr 10 14:30:31 1995  Michael Meissner  <meissner@cygnus.com>
8994
8995	* rs6000/aix3newas.h, rs6000/aix41.h: Eliminate March 11th changes
8996	to undefine ASM_OUTPUT_EXTERNAL{,_LIBCALL}, since this causes the
8997	compiler not to bootstrap.
8998
8999Mon Apr 10 07:17:39 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9000
9001	* cppalloc.c: #include config.h.
9002	* cppexp.c: Add declarations of xmalloc and xrealloc.
9003	(cpp_parse_expr): Cast args to bcopy to char *.
9004	* cpphash.c: Add declaration of xmalloc.
9005	* cpplib.c (init_parse_options, cpp_reader): Cast args to bcopy,
9006	bcmp, and bzero to char *.
9007	(add_import, push_parse_file, init_parse_file): Likewise.
9008
9009	* c-common.c (enum attrs): New attribute, A_NOCOMMON.
9010	(init_attribute): Initialize it.
9011	(decl_attributes): Implement it.
9012	* varasm.c (make_decl_rtl): Allow section attribute if -fno-common
9013	or variable is not to be placed in common for some other reason.
9014
9015	* combine.c (simplify_set): Don't move a SUBREG to dest if it
9016	is changing the size of a hard reg in CLASS_CANNOT_CHANGE_SIZE.
9017
9018	* reload.c (find_equiv_reg): If goal is a pseudo that got memory,
9019	a store into memory makes it invalid.
9020	* reload1.c (reload_as_needed): Call forget_old_reloads_1 on
9021	pattern before reg elimination.
9022
9023Mon Apr 10 00:26:14 1995  Jeffrey A. Law  <law@snake.cs.utah.edu>
9024
9025	* pa.c (pa_reorg): Bump label use count for each entry in an
9026	exploded ADDR_VEC.
9027
9028Sun Apr  9 09:22:51 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9029
9030	* i386.md (adddi3, subdi3): Need scratch reg whenever operand 0 in
9031	mem and operands 1 not '0'.
9032	(subdi3): Don't treat two non-equal MEMs as non-aliasing.
9033
9034Sat Apr  8 22:53:38 1995  Jeffrey A. Law  <law@snake.cs.utah.edu>
9035
9036	* pa.c (pa_reorg): Fix typo.
9037
9038Sat Apr  8 19:36:36 1995  Michael Meissner  <meissner@cygnus.com>
9039
9040	* rs6000/rs6000.h (SELECT_SECTION): TREE_CODE_CLASS must be called
9041	with a tree code, not a tree value.
9042
9043Sat Apr  8 12:41:01 1995  Mike Stump  <mrs@cygnus.com>
9044
9045	* cpphash.c: Don't use const on compilers that don't support it.
9046
9047Sat Apr  8 16:32:22 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9048
9049	* expr.c (expand_increment): Handle case where INCREMENTED
9050	has a non-trivial conversion.
9051
9052Fri Apr  7 19:33:21 1995  Phil Nelson  (phil@cs.wwu.edu)
9053
9054	* ns32k.h (TRAMPOLINE_TEMPLATE, TRANSFER_FROM_TRAMPOLINE):
9055	Fix assembler syntax errors.
9056
9057Fri Apr  7 19:27:23 1995  Pat Rankin  (rankin@eql.caltech.edu)
9058
9059	* cccp.c (VMS_fstat, VMS_stat):  New functions.
9060
9061Fri Apr  7 19:25:21 1995  Paul Eggert  <eggert@twinsun.com>
9062
9063	* cccp.c (collect_expansion): If traditional, set stringify
9064	member to SHARP_TOKEN regardless of the value of
9065	stringify_sharp_token_type.
9066
9067Fri Apr  7 07:48:35 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9068
9069	* cse.c (simplify_unary_operation): #ifdef POINTERS_EXTEND_UNSIGNED,
9070	handle sign- or zero-extending addresses.
9071
9072	* optabs.c (init{,_integral,_floating,_complex}_libfuncs):
9073	Change SUFFIX to "char" to avoid confusion with prototype.
9074
9075	* explow.c (convert_memory_address): No longer static.
9076	New arg, TO_MODE.
9077	Do something special for SYMBOL_REF, LABEL_REF, and CONST.
9078	(memory_address): Add extra arg to call to convert_memory_address.
9079	* rtl.h (convert_memory_address): Add extra arg.
9080	* expr.c (expand_expr, case ADDR_EXPR): Always call
9081	convert_memory_address when converting; add extra arg.
9082	* stmt.c (expand_computed_goto): Convert from ptr_mode to Pmode.
9083
9084	* gcc.c (OBJECT_SUFFIX): Default now ".o", not "o".
9085	(all specs): Remove "." before %O; use %O in a few missing cases.
9086	* i386/os2.h (OBJECT_SUFFIX): Delete from here.
9087	* i386/xm-os2.h (OBJECT_SUFFIX): Move to here; now has period.
9088
9089	* Makefile.in (STAGESTUFF): Use $(exeext) for executables.
9090
9091Fri Apr  7 03:32:29 1995  Richard Stallman  <rms@mole.gnu.ai.mit.edu>
9092
9093	* config.sub: Accept -lites* as op sys.
9094
9095Thu Apr  6 23:08:50 1995  Per Bothner  <bothner@kalessin.cygnus.com>
9096
9097	* cpplib.c (bcopy, bzero, bcmp):  Remove #undefs.
9098	* cppalloc.c (xcalloc):  Re-implement using calloc,
9099	rather than malloc+bzero.
9100	* cpplib.c (SELF_DIR_DUMMY):  New macro.
9101	(do_include):  Don't pass searchptr to finclude if it is dsp,
9102	since that is on the stack, and would cause a dangling pointer.
9103	If handling #include_next, recognize SELF_DIR_DUMMY.
9104
9105Fri Apr  7 00:54:24 1995  Jeffrey A. Law  <law@snake.cs.utah.edu>
9106
9107	* pa.h (MACHINE_DEPENDENT_REORG): Define.
9108	* pa.md (switch_jump): New pattern for jumps which implement
9109	a switch table.
9110	* pa.c (pa_reorg): New function to explode jump tables.
9111	(pa_adjust_insn_length): Account for jumps in switch tables with
9112	unfilled delay slots.
9113
9114Thu Apr  6 14:31:10 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9115
9116	* c-typeck.c (build_binary_op): Don't call common_type for
9117        uncommon pointer types.
9118
9119Wed Apr  5 13:53:17 1995  Per Bothner  <bothner@kalessin.cygnus.com>
9120
9121	Re-write fixproto/fix-header/etc to use cpplib:
9122	* fix-header.c:  Comment out support for adding missing extern "C"
9123	using #ifdef ADD_MISSING_EXTERN_C instead of #if 0.
9124	* fixproto:  Removed case of required functions.   Instead use ...
9125	* fix-header.c (std_include_table):  ... new required-functions table.
9126	(cpp_file_line_for_message, cpp_print_containing_files, cpp_message):
9127	New stub functions, to intercept cpplib error message.
9128	* fixproto:  Don't call $CPP, since fix-header now incorporates cpplib.
9129	* gen-protos.c (fatal, hashf):  New functions.
9130	(main):  Use hashf, instead of hash.
9131	* scan-decls.c (scan_decls, skip_to_closing_brace):  Re-write to
9132	take a cpp_reader* as argument, not a FILE*.
9133	* scan.h (hash):  Make parameter const.
9134	* scan.c (hash):  Removed.
9135	* scan.c (memory_full, xmalloc, xrealloc):  Removed.
9136	Use functions from cppalloc.c instead.
9137	* Makefile.in (gen-prtos, fix-header, stmp-fixproto):  Update.
9138
9139Wed Apr  5 13:24:14 1995  Per Bothner  <bothner@kalessin.cygnus.com>
9140
9141	* cpplib.c (cpp_get_token): If traditional, return after comment,
9142	instead of reading more, so end-of-line can be peeked at.
9143	* cpperror.c (cpp_file_line_for_message, cpp_message):  New
9144	functions, that do the actual printing of error messages.
9145	(cpp_print_file_and_line, cpp_error, cpp_warning, cpp_pedwarn,
9146	cpp_error_with_line, cpp_warning_with_line, cpp_pedwarn_with_line,
9147	cpp_pedwarn_with_file_and_line, cpp_error_from_errno, my_strerror,
9148	cpp_perror_with_name):  Re-write to use cpp_file_line_for_message
9149	and cpp_message, and move to cpplib.c.
9150
9151Tue Apr  4 23:35:49 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
9152
9153	* config/gnu.h (GNU_CPP_PREDEFINES): Remove -D__HURD__.
9154
9155Tue Apr  4 17:15:54 1995  Jeffrey A. Law  <law@mole.gnu.ai.mit.edu>
9156
9157	* pa.h (DO_GLOBAL_DTORS_BODY): Fix pointer -> integer assignment
9158	problem.
9159
9160	* reorg.c (fill_simple_delay_slots): Don't use a JUMP_INSN
9161	a the target of another JUMP_INSN to fill a delay slot.
9162
9163Mon Apr  3 19:03:48 1995  Torbjorn Granlund  <tege@adder.cygnus.com>
9164
9165	* cse.c (simplify_unary_operation): Sign-extend constants when
9166	they have the most significant bit set for the target.
9167
9168	* m68k.md (umulsi3_highpart): Test for CONST_INT and CONST_DOUBLE,
9169	not CONSTANT_P.
9170	(smulsi3_highpart): Likewise.
9171	* m68k.c (const_uint32_operand): New function.
9172	(const_sint32_operand): New function.
9173	* m68k.md (const_umulsi3_highpart): Use const_uint32_operand instead
9174	of immediate_operand for op3.  Delete mode.
9175	(const_smulsi3_highpart): Analogous change.
9176
9177Mon Apr  3 19:03:48 1995  Jim Wilson  <wilson@cygnus.com>
9178
9179	* cse.c (simplify_binary_operation): Sign-extend constants when
9180	they have the most significant bit set for the target.
9181
9182	* combine.c (force_to_mode, case PLUS): Sign extend masks that are
9183	negative in OP_MODE.
9184	(simplify_and_const_int): Sign-extend constants when they have the
9185	most significant bit set for the target.
9186	(merge_outer_ops): Likewise.
9187	(simplify_shift_const): Likewise.
9188
9189Mon Apr  3 18:23:48 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9190
9191	* toplev.c (lang_options): Add -f{no-,}repo.
9192
9193Mon Apr  3 18:13:15 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9194
9195	* combine.c (nonzero_bits, case REG): Check POINTERS_EXTEND_UNSIGNED.
9196	(num_sign_bit_copies, case REG): Likewise.
9197	* explow.c (convert_memory_address): New function.
9198	(memory_address): Call if it needed.
9199	(promote_mode, case POINTER_TYPE): Use Pmode and pointer extension.
9200	(allocate_dynamic_stack_space): Convert size from ptr_mode.
9201	* expr.c (clear_storage, expand_assignment, store_{expr,constructor}):
9202	Use ptr_mode instead of Pmode in some places.
9203	(expand_expr, expand_builtin): Likewise.
9204	(push_block, store_expr): Convert size to Pmode.
9205	(expand_expr, case ADDR_EXPR): Convert from Pmode to ptr_mode.
9206
9207Mon Apr  3 18:00:52 1995  Jim Wilson  <wilson@cygnus.com>
9208
9209	* explow.c (allocate_dynamic_stack_space): Correct typo in last
9210	change.
9211
9212	* sh.c (gen_shifty_op, case ASHIFTRT): Return 0 if shift count is not
9213	a constant.
9214
9215Mon Apr  3 12:17:10 1995  Michael Meissner  (meissner@cygnus.com)
9216
9217	* expmed.c (extract_bit_field): When converting a SUBREG into a
9218	REG, if the system is big endian, adjust the bit offset
9219	appropriately.
9220
9221Mon Apr  3 00:08:45 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
9222
9223	* config/i386/linux.h: Include "config/linux.h" instead of
9224 	"linux.h", to avoid recursion.
9225
9226Sun Apr  2 23:50:27 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
9227
9228	* config/i386/gnuelf.h: Include i386/linux.h instead of
9229 	i386/linuxelf.h.
9230
9231Sun Apr  2 17:35:10 1995  Jim Wilson  <wilson@cygnus.com>
9232
9233	* cse.c (simplify_relational_operation): Don't simplify A-B for
9234	compare of A and B when the compare is unsigned.
9235
9236Sun Apr  2 08:23:38 1995  Paul Eggert  <eggert@twinsun.com>
9237
9238	* fixincludes (stdio.h): BSDI 2.0 changed the spelling of _VA_LIST_
9239	to _BSD_VA_LIST_.
9240
9241Sun Apr  2 07:57:28 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9242
9243	* i386/xm-bsd386.h: New file.
9244	* configure (i[345]86-*-bsd*): Add xm_file.
9245
9246	* gcc.c (default_compilers): Pass -W and -w to gnat1.
9247
9248	* winnt/winnt.h (STDC_VALUE): Add #undef.
9249	* i386/winnt.h (LIB_SPEC): Likewise.
9250
9251Sun Apr  2 07:55:25 1995  Douglas Rupp  (drupp@cs.washington.edu)
9252
9253	* i386/winnt.h (RETURN_POPS_ARGS, ENCODE_SECTION_INFO): Call
9254	chain_member_purpose, not chain_member_value.
9255	(ASM_FILE_START, LIB_SPEC): Move to here.
9256	* winnt/winnt.h (ASM_FILE_START, LIB_SPEC): Delete from here.
9257	* tree.c (chain_member_purpose): New function.
9258
9259Sat Apr  1 12:19:14 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9260
9261	* c-typeck.c (build_binary_op): New variable build_type controls
9262	type given to expression when created.  Set to integer_type_node for
9263	comparison ops instead of result_type so result_type still holds type
9264	in which comparison is done.  When checking for comparison between
9265	signed and unsigned, use result_type rather than (possibly shortened)
9266	type of op0.  Don't warn about equality comparison of signed operand
9267	to unsigned constant that fits in signed type.
9268
9269Sat Apr  1 09:47:02 1995  Douglas Rupp  (drupp@cs.washington.edu)
9270
9271	* i386/winnt.h (CPP_PREDEFINES): Add definitions for __stdcall
9272	and __cdecl.
9273	* winnt/winnt.h (LIB_SPEC): Add OLDNAMES.LIB.
9274	* winnt/xm-winnt.h: Remove unneeded #define's for non-ANSI functions.
9275	* fixinc.winnt: Remove unneeded fixes relating to __stdcall.
9276
9277	* objc/Makefile (SHELL): New definition.
9278
9279Sat Apr  1 08:25:26 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9280
9281	* cse.c (cse_insn): When emitting a BARRIER, don't put it after
9282	a deleted insn.
9283
9284	* reload.c (push_reload): Initialize secondary_{in,out}_icode.
9285
9286	* gcc.c (print_multilib_info): Don't use LAST_PATH if not set.
9287
9288Sat Apr  1 08:15:59 1995  Pat Rankin  (rankin@eql.caltech.edu)
9289
9290	* vax.md (extv, extzv): Don't use immediate value for operand 1.
9291
9292Sat Apr  1 07:48:29 1995  Yury Shevchuk  (sizif@botik.yaroslavl.su)
9293
9294	* stmt.c (expand_asm_operands): Properly ignore invalid reg in clobber.
9295
9296Sat Apr  1 07:02:24 1995  Paul Eggert  <eggert@twinsun.com>
9297
9298	* cccp.c: General code cleanup.
9299	Add prototypes for static functions.
9300	Remove unnecessary casts to (char *); add casts to (U_CHAR *).
9301	Add parentheses suggested by `gcc -Wparentheses'.
9302	Rename local variables as suggested by `gcc -Wshadow'.
9303	<fcntl.h>, <stdlib.h>, <string.h>, <unistd.h>: New includes.
9304	<sys/time.h>, <sys/resource.h>: Include only if defined(RLIMIT_STACK).
9305	<time.h>: Include, unless <sys/time.h> already does.
9306	(HAVE_FCNTL_H, HAVE_STDLIB_H, HAVE_SYS_TIME_H): New symbols.
9307	(HAVE_UNISTD_H, STDC_HEADERS, TIME_WITH_SYS_TIME): Likewise.
9308	(__attribute__, PROTO, VA_START, PRINTF_ALIST, PRINTF_DCL): New macros.
9309	(PRINTF_PROTO{,_1,_2,_3}, DO_PROTO): Likewise.
9310	(bcopy, bzero, bcmp): If #defined by configuration file, use that.
9311	If STDC_HEADERS is defined, use standard C functions.
9312	If BSTRING is defined, or USG and VMS are not defined, use
9313	the C library.  Otherwise, use my_bcopy, my_bzero, my_bcmp.
9314	(localtime): Remove no-longer-necessary explicit declaration.
9315	(getenv, index, rindex): Don't declare explicitly if the
9316	appropriate system header should declare it.
9317	(fdopen): Remove no-longer-used declaration.
9318	(vprintf): Define a subsitute macro if !defined(HAVE_VPRINTF).
9319	(main): Replace `fdopen (dup (fileno (stdout)), "w"))'
9320	with `stdout'.
9321	(get_lintcmd, rescan, create_definition): Use bcmp instead of strncmp
9322	when both operands are known to be free of null bytes.
9323	(check_macro_name, compare_defs, collect_expansion): Likewise.
9324	(do_assert, compare_token_lists, assertion_lookup, do_line): Likewise.
9325	(skip_if_group, lookup): Likewise.
9326	(rescan): Remove unused label `startagain'.
9327	Abort instead of printing nonsense if the stack is corrupted
9328	when there was an unterminated successful conditional.
9329	(pcfinclude): Include explicit double-cast through GENERICPTR
9330	to identify particularly egregious type puns.
9331	(create_definition, do_define, check_macro_name): Use %.*s
9332	printf format to avoid painful copying-and-casting.
9333	(do_once): Return void, not (unused) int.
9334	(do_ident, do_pragma, do_sccs): Accept extra arguments so that
9335	all directive-handler's types match.
9336	(do_sccs): Define only if SCCS_DIRECTIVE is defined.
9337	(skip_if_group, dump_single_macro): Add `default: break;' to
9338	keep -Wswitch happy.
9339	(error, warning, error_with_line, vwarning_with_line, pedwarn): Use
9340	stdarg/vararg/vfprintf instead of passing bogus char * args around.
9341	(pedwarn_with_line, pedwarn_with_file_and_line, fatal):  Likewise.
9342	(verror, vwarning, verror_with_line, vwarning_with_line): New fcns.
9343	(dump_single_macro): Abort if ap points to garbage.
9344	(make_definition, make_undef, make_assertion): Parameter now char *.
9345	(xmalloc, xrealloc, xcalloc, savestring, index0): Make sizes size_t
9346	instead of unsigned; make pointer parameters GENERICPTR, not char *.
9347	(xcalloc): Use bzero to clear memory instead of using own loop.
9348
9349Fri Mar 31 08:33:07 1995  Ken Raeburn  (raeburn@wombat.gnu.ai.mit.edu)
9350
9351	* longlong.h (umul_ppmm mc68000): Use %# instead of #.
9352
9353Fri Mar 31 06:37:54 1995  Michael Meissner  (meissner@cygnus.com)
9354
9355	* stor-layout.c (layout_decl): Implment -fpack-struct.
9356	(layout_record): Ditto.
9357
9358	* flags.h (flag_pack_struct): New flag variable.
9359
9360	* toplev.c (flag_pack_struct): New flag variable.
9361	(f_options): Add -fpack-struct support.
9362
9363	* Makefile.in (stor-layout.o): Add flags.h dependency.
9364
9365Fri Mar 31 08:40:16 1995  Douglas Rupp  (drupp@cs.washington.edu)
9366
9367	* configure (i[345]86-*-winnt3*): Add tmake_file.
9368	* i386/x-winnt (winnt.o): Deleted.
9369	* i386/t-winnt: New file.
9370
9371Fri Mar 31 07:26:37 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9372
9373	* m68k/netbsd.h, m68k/hp3bsd44.h: Remove #include of machine/ansi.h.
9374
9375	* configure (a29k-*-bsd): Set tmake_file to t-libc-ok.
9376
9377	* stmt.c (expand_asm_operands): Properly handle output that can't
9378	be directly written into.
9379
9380	* c-parse.in (structsp): Correct error in last change.
9381	* c-common.c (init_attributes): A_FORMAT is only for decls.
9382
9383Thu Mar 30 18:27:34 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9384
9385	* libgcc2.c: Remove explicit 0-initializations of static variables.
9386
9387Thu Mar 30 18:22:39 1995  Fergus Henderson  <fjh@cs.mu.oz.au>
9388
9389	* c-typeck.c (internal_build_compound_expr): Warn if LHS of comma
9390	expression has no side effects, or computes value which is not used.
9391	* stmt.c (make warn_if_unused_value): No longer static.
9392	* tree.h (warn_if_unused_value): Add declaration.
9393
9394Thu Mar 30 18:15:11 1995  Jim Wilson  <wilson@cygnus.com>
9395
9396	* combine.c (get_last_value): Revert back to use prev_nonnote_insn
9397	instead of prev_real_insn.  Modify test that ignores USE insns.
9398
9399	* rs6000.h (SELECT_SECTION): Apply constant DECL_INITIAL test
9400	only to DECLs.
9401
9402	* explow.c (allocate_dynamic_stack_space): Test STACK_BOUNDARY against
9403	BIGGEST_ALIGNMENT at run time instead of at compile time.
9404	Give MUST_ALIGN macro a value, and test this value in if statements.
9405
9406Thu Mar 30 08:59:56 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9407
9408	* c-parse.in: Now have 27 shift/reduce conflicts.
9409	(attribute_list): Just make chain of all attributes.
9410	(attrib): Consistently put name as PURPOSE, args, if any, as VALUE.
9411	(structsp): Allow attributes on any struct or union.
9412	* c-common.c (enum attrs): New enum class.
9413	(attrtab, attrtab_idx): New variables.
9414	(add_attribute, init_attributes): New functions.
9415	(decl_attributes): Major rewrite.
9416	* tree.c (valid_machine_attribute): Now receive name and args.
9417
9418Thu Mar 30 07:20:14 1995  Paul Eggert  <eggert@twinsun.com>
9419
9420	* protoize.c: Use the phrase `preprocessing directive' consistently.
9421	* cccp.c (handle_directive, do_line, skip_if_group): Likewise.
9422	(output_line_directive): Renamed from output_line_command.
9423	(no_line_directives): Renamed from no_line_commands.
9424
9425	* cccp.c (rescan): Don't recognize preprocessing directives
9426	within macro args.  Warn if one is found.
9427
9428Thu Mar 30 06:20:36 1995  H.J. Lu   (hjl@nynexst.com)
9429
9430	* configure (i[345]86-*-linux*): Set xmake_file=x-linux,
9431	tm_file=i386/linux.h, and don't set extra_parts.
9432	(i[345]86-*-linux*aout*): New configuration.
9433	(i[345]86-*-linuxelf): Deleted.
9434	* config/linux{,-aout}.h, config/x-linux, config/xm-linux.h: New files.
9435	* config/i386/linux-aout.h: New file.
9436	* config/i386/linux.h: Extensive modifications to use ELF format
9437	as default.
9438	(LIB_SPEC): Don't use libc_p.a for -p. don't use libg.a
9439	unless for -ggdb.
9440	(LINUX_DEFAULT_ELF): Defined.
9441	* config/i386/linuxelf.h,config/i386/x-linux: Files deleted.
9442	* config/i386/xm-linux.h: Just include xm-i386.h and xm-linux.h.
9443
9444Wed Mar 29 19:09:36 1995  Mike Stump  <mrs@cygnus.com>
9445
9446	* libgcc2.c (__throw_type_match): Update to use new calling convention.
9447
9448Wed Mar 29 14:53:23 1995  Jim Wilson  <wilson@cygnus.com>
9449
9450	* gcc.c (process_command): Delete code modifying gcc_exec_prefix.
9451	(main): Put it here after last use of gcc_exec_prefix.  For cross
9452	compiler, set startfile_prefixes if gcc_exec_prefix is set and
9453	standard_startfile_prefix is a relative path.
9454
9455	* combine.c (make_compound_operation, AND case): Undo July 7, 1994
9456	change.
9457
9458	* mips/mips.md (call_internal1, call_value_internal1): Move %* from
9459	start of assembler output to immediately before the jal.
9460
9461	* mips/mips.c (function_prologue): Put SDB_DEBUGGING_INFO ifdef around
9462	code for SDB_DEBUG support.
9463	(mips_select_rtx_section, mips_select_section): Change rdata_section
9464	to READONLY_DATA_SECTION and sdata_section to SMALL_DATA_SECTION.
9465	* mips/mips.h (SMALL_DATA_SECTION): Define.
9466
9467	* reorg.c (mark_referenced_resources): Make setjmp use all registers.
9468
9469	* flow.c (mark_used_regs, case SUBREG): Only fall through to REG case
9470	if operand is a REG.
9471
9472	* i960/i960.h (TARGET_SWITCHES): Make -mold-align set
9473	TARGET_FLAG_STRICT_ALIGN.
9474	(STRICT_ALIGNMENT): Test TARGET_STRICT_ALIGN.
9475
9476	* sh/sh.c (andcosts): Modify costs to match the hardware, and add
9477	explanatory comments.
9478
9479	* sparc/sol2.h (CPP_PREDEFINES): Add -D__SVR4.
9480
9481Wed Mar 29 14:30:30 1995  Michael Meissner  <meissner@cygnus.com>
9482
9483	* rs6000/rs6000.md (movsf): When moving to/from integer registers,
9484	don't move floating point to memory if it is being simulated with
9485	-msoft-float.
9486
9487Wed Mar 29 06:47:36 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9488
9489	* c-parse.in (initdcl): Only call decl_attributes once.
9490	* c-common.c (decl_attributes): Clean up test for __mode__.
9491
9492Tue Mar 28 08:34:37 1995  John Hassey  (hassey@dg-rtp.dg.com)
9493
9494	* i386.md (adddi3): Don't treat two non-equal MEMs as non-aliasing.
9495
9496Tue Mar 28 08:20:49 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9497
9498	* a29k.h (CONSTANT_ADDRESS_P): Provide consistent definition.
9499
9500Tue Mar 28 07:26:41 1995  Paul Eggert <eggert@twinsun.com>
9501
9502	* cccp.c (do_xifdef, do_endif): Remove unnecessary pointer comparisons.
9503
9504Mon Mar 27 20:45:15 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9505
9506	* calls.c (expand_call, store_one_arg): Don't set KEEP in calls
9507	to assign_stack_temp.
9508	* function.c (preserve_temp_slots): Clear ADDR_TAKEN on item
9509	that we are preserving.
9510
9511Mon Mar 27 14:39:35 1995  Ian Lance Taylor  <ian@cygnus.com>
9512
9513	* mips/mips.h (FIRST_PSEUDO_REGISTER): Increment.
9514	(FIXED_REGISTERS, CALL_USED_REGISTERS): Add new register.
9515	(MD_REG_LAST): Increment.
9516	(ST_REG_FIRST, ST_REG_LAST): Increment.
9517	(HILO_REGNUM): Define.
9518	(enum reg_class): Add HILO_REG.
9519	(REG_CLASS_NAMES): Add "HILO_REG".
9520	(REG_CLASS_CONTENTS): Add HILO_REG initializer, and adjust ST_REGS
9521	and ALL_REGS initializers.
9522	(SECONDARY_RELOAD_CLASS): Remove.
9523	(SECONDARY_INPUT_RELOAD_CLASS): Define.
9524	(SECONDARY_OUTPUT_RELOAD_CLASS): Define.
9525	(REGISTER_MOVE_COST): Treat HILO_REG as MD_REGS.
9526	(REGISTER_NAMES): Add initialization line.
9527	(DEBUG_REGISTER_NAMES): Add "accum".
9528	* mips/mips.md: For each instruction which sets HI or LO, clobber
9529	HILO_REGNUM with (clobber (match_scratch:MODE N "=a")).  Change
9530	each explicit reference to register 66 to register 67.
9531	(mulsidi3): Change to define_expand.
9532	(mulsidi3_internal): New name of old mulsidi3.
9533	(mulsidi3_64bit): New insn.
9534	(umulsidi3): Change to define_expand.
9535	(umulsidi3_internal): New name of old umulsidi3.
9536	(umulsidi3_64bit): New insn.
9537	(madddi_64bit, umaddi_64bit): New insns.
9538	(movdi_internal2): Add case for setting HILO_REG to zero.
9539	(reload_indi, reload_outdi): New define_expands.
9540	(movsi_internal1, movsi_internal2): Add cases for setting MD_REGS
9541	to zero, and for setting a general reg to HILO_REG.
9542	(reload_outsi): New define_expand.
9543	* mips/mips.c (mips_reg_names): Add "accum".
9544	(mips_sw_reg_names): Likewise.
9545	(mips_regno_to_class): Map HILO_REGNUM to HILO_REG.
9546	(mips_move_1word): Handle moving HILO_REGNUM to a general
9547	register.  Make sure that the normal MD_REG cases aren't used for
9548	HILO_REGNUM.  Handle moving zero to a MD_REG.
9549	(mips_move_2words): Make sure that the normal MD_REG cases aren't
9550	used for HILO_REGNUM.  Handle moving zero to a MD_REG.
9551	(override_options): Set mips_char_to_class for 'a' and 'b'.
9552	(mips_secondary_reload_class): Add in_p argument.  Handle
9553	HILO_REGNUM.
9554
9555Mon Mar 27 07:16:05 1995  Warner Losh  <imp@village.org>
9556
9557	* gcc.c: Removed __NetBSD__ from conditional.
9558	Declare strerror if HAVE_STRERROR is defined; otherwise
9559	declare sys_errlist and sys_nerr.
9560	(my_strerror): New function.
9561
9562Fri Mar 24 18:08:14 1995  Jason Merrill  <jason@python.cygnus.com>
9563
9564	* i386/linux.h (LIB_SPEC): Don't try to link with libraries we
9565	know only exist in archive form unless -static.
9566
9567Fri Mar 24 16:12:16 1995  Doug Evans  <dje@cygnus.com>
9568
9569	* Makefile.in (multilib.h): Depend on Makefile, not config.status.
9570
9571Fri Mar 24 15:01:17 1995  Michael Meissner  <meissner@cygnus.com>
9572
9573	* rs6000/rs6000.h (TARGET_MULTIPLE_SET): New target_flags bit that
9574	indicates -mmultiple or -mno-multiple was explicitly passed by the
9575	user, and not set as part of the cpu defaults.
9576	(TARGET_SWITCHES): Set TARGET_MULTIPLE_SET bit for both -mmultiple
9577	and -mno-multiple.
9578
9579	* rs6000/rs6000.c (rs6000_override_options): If -mmultiple or
9580	-mno-multiple was explicitly used, don't override the setting with
9581	the processor default.
9582
9583Wed Mar 22 21:42:13 1995  Doug Evans  <dje@cygnus.com>
9584
9585	* i960/i960.c (i960_function_arg_advance): Ensure all regs marked
9586	as used if stack is also used (for va_start).
9587	(i960_setup_incoming_varargs): Rewrite to be similar to Intel's
9588	version, but don't allocate reg block unless necessary.
9589	* ginclude/va-i960.h (varargs va_start): Save g14 explicitly.
9590	Account for arguments preceding va_alist.
9591
9592Wed Mar 22 13:24:55 1995  Torbjorn Granlund  <tege@adder.cygnus.com>
9593
9594	* pa.c (singlemove_string): Handle SFmode constants again.  Simplify.
9595	(zdepi_cint_p): Make some variables HOST_WIDE_INT.
9596	(lhs_lshift_cint_operand): Likewise.
9597	(output_and): Likewise.
9598	(output_ior): Likewise.
9599
9600Wed Mar 22 12:40:09 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
9601
9602	* sh.md (udivsi3): Don't clobber register 6.
9603	(udivsi3, divsi3, mulsi3_call): Use a pseudo-reg with regclass 'z'
9604	for output rather than hard register 0.
9605	(block_move_real): Don't clobber registers 4 and 5.
9606
9607	* mips.c (mips_select_section): Apply constant DEC_INITIAL tests
9608	only to VAR_DECLs.
9609
9610Wed Mar 22 03:53:17 1995  Richard Stallman  <rms@mole.gnu.ai.mit.edu>
9611
9612	* config.sub (rm400, rm600): New machine names.
9613	(sinix5.*, sinix): New os aliases.
9614	(mips-siemens): Default os to sysv4.
9615
9616Mon Mar 20 21:56:47 1995  Per Bothner  <bothner@kalessin.cygnus.com>
9617
9618	Merged Paul Eggert's patch to cccp.c of Wed Mar  8 18:21:51 1995:
9619	* cpplib.c (do_include): Fix type typo: pcfbuflimit is char *, not int.
9620
9621	Merged Doug Evans' patch to cccp.c of Mon Feb 27 17:06:47 1995:
9622	* cpplib.c (do_include): Check for redundant file before opening in
9623	relative path case.  Don't call fstat unnecessarily.
9624
9625	Merged J.T. Conklin's patch to cccp.c of Wed Feb 22 20:29:31 1995:
9626	* cpperror.c:  Removed __NetBSD__ from conditional.
9627
9628	Merged Kenner's patch to cccp.c & cexp.y of Tue Sep 20 17:49:47 1994:
9629	* cppexp.c (struct operation):  Make value by HOST_WIDE_INT.
9630	(cpp_parse_expr):  Change return type to HOST_WIDE_INT.
9631	* cpplib (eval_if_expr):  Likewise.
9632	(do_if, do_elif):  Update appropriately.
9633	* cpplib.h (cpp_parse_expr):  Removed, to avoid defining HOST_WIDE_INT.
9634
9635	Merged Paul Eggert's patch to cccp.c of Mon Aug  8 19:42:09 1994:
9636	* cpplib.c (create_definition): Warn about `#define a@', since a
9637	diagnostic is now required (see ISO TC1's addition to subclause 6.8).
9638	Also warn about `#define is-empty(x) (!x)'.
9639
9640Tue Mar 21 00:10:50 1995  Jeffrey A. Law  <law@mole.gnu.ai.mit.edu>
9641
9642	* x-pa (CC): Add "-Dbsd4_4".
9643
9644Mon Mar 20 18:40:31 1995  Per Bothner  <bothner@kalessin.cygnus.com>
9645
9646	* toplev.c (print_error_function):  New function hook.
9647	(default_print_error_function):  New function.  Default value
9648	of print_error_function.  Code moved here from report_error_function.
9649	(report_error_function):  Use print_error_function hook.
9650
9651Mon Mar 20 20:27:43 1995  Doug Evans  <dje@cygnus.com>
9652
9653	* cccp.c (do_xifdef): Handle c++ comments.
9654	(do_endif): Likewise.
9655
9656Mon Mar 20 15:31:45 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9657
9658	* configure (i386 configurations): Prepend i386/ to t-crt*.
9659
9660Mon Mar 20 07:58:04 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9661
9662	* stmt.c (fixup_gotos): Add missing call from last change.
9663
9664	* objc/misc.c: Put Alpha-specific decls before #include of runtime.h.
9665
9666	* alpha.h (EXTRA_SECTIONS): Write zeros first time in .rdata.
9667
9668Sat Mar 18 16:37:24 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9669
9670	* flow.c (mark_used_regs, case SUBREG): Set reg_changes_size even
9671	for integer modes.
9672	(mark_used_regs): Set reg_changes_size for RHS, if necessary.
9673	* combine.c (gen_lowpart_for_combine): Set reg_changes_size, if needed.
9674	* reload.c (push_reload): Reload a SUBREG if paradoxical and
9675	class is CLASS_CANNOT_CHANGE_SIZE.
9676	* reload1.c (gen_reload): Handle paradoxical SUBREGs.
9677	* alpha.h (SECONDARY_{INPUT,OUTPUT}_RELOAD_CLASS): Need GENERAL_REGS
9678	for paradoxical SUBREG and FLOAT_REGS.
9679	(SECONDARY_NEEDED_MODE): Use actual mode for 4 bytes or wider.
9680	* alpha.md (movsi): Allow FP regs and add case for store of FP reg.
9681	Remove cvtlq from MEM to FP reg case.
9682
9683	* rtl.h (emit_insns_after): Add declaration.
9684	* stmt.c (fixup_gotos): Do a cleanup for a block when it is exited
9685	even if label if not defined yet.
9686
9687	* function.c (pop_function_context): Fix error in last change;
9688	reference old value of current_function_decl before we modify it.
9689
9690Fri Mar 17 21:57:44 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9691
9692	* toplev.c (rest_of_compilation): Handle -Wreturn-type properly
9693	for inlines we aren't compiling yet.
9694
9695Fri Mar 17 21:26:48 1995  Mike Stump  <mrs@cygnus.com>
9696
9697	* libgcc2.c (__register_exceptions): Handle empty tables.
9698
9699Fri Mar 17 11:48:31 1995  Douglas Rupp  (drupp@cs.washington.edu)
9700
9701	* i386/winnt.c (winnt_function_prologue): Deleted.
9702	(gen_stdcall_suffix): New function.
9703
9704Thu Mar 16 17:36:52 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9705
9706	* svr4.h (LINK_SPEC): If the user did not specify -h name, use the
9707	output file name, if any.
9708	* sparc/sol2.h (LINK_SPEC): Ditto.  Also, if the user did not
9709	specify -R path, add an -R for each -L.
9710
9711	Move SunOS 4-specific assembler switches into the appropriate place.
9712	* m68k/sun[23].h (ASM_SPEC): Add %{R} %{j} %{J} %{h} %{d2}
9713	%{keep-local-as-symbols:-L}.
9714	* i386/sun.h (ASM_SPEC): Add %{R} %{keep-local-as-symbols:-L}.
9715	* sparc/sparc.h (ASM_SPEC): Ditto.
9716	* gcc.c (default_compilers): Remove %{R} %{j} %{J} %{h} %{d2}
9717	%{keep-local-as-symbols:-L} from assembler rules.
9718
9719Thu Mar 16 16:58:09 1995  Michael Meissner  <meissner@cygnus.com>
9720
9721	* rs6000/eabi-ctors.c: New file, handle C++ static constructors
9722	and destructors without requiring anything else from a libc.
9723
9724	* rs6000/t-eabi (LIB2FUNCS_EXTRA): Build eabi-ctors.c.
9725
9726	* rs6000/eabi.asm: Do not load up register 2 if there is no .got
9727	section.  Jump to the __do_global_ctors function at the end of
9728	processing to call C++ static constructors, and it will return to
9729	__eabi's caller.  Use normal volatile registers, instead of saving
9730	and restoring registers 30 and 31.
9731
9732	* rs6000/eabi.h (STARTFILE_SPEC): Define as null.
9733	(LIB_SPEC): Ditto.
9734	(ENDFILE_SPEC): Ditto.
9735	(LIBGCC_SPEC): Always look for libgcc.a.
9736
9737Thu Mar 16 17:05:14 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9738
9739	* stmt.c (warn_if_unused_value, case SAVE_EXPR): New case.
9740	(warn_if_unused_value, case NOP_EXPR): OK if CALL_EXPR inside.
9741
9742	* c-common.c (decl_attributes): Allow alignment for TYPE_DECLs.
9743
9744	* Makefile.in (xsys-protos.h): Fix typo in -U operand.
9745
9746Thu Mar 16 13:49:10 1995  Per Bothner  <bothner@rtl.cygnus.com>
9747
9748	* cpplib.c, cpplib.h:  New files - a C PreProcessor library.
9749	* cpphash.c, cpphash.h, cppalloc.c, cpperror.c, cppexp.c:
9750	New files - utility features used by cpplib.
9751	* cppmain.c:  New file - cpp replacement main program for cpplib.
9752	* Makefile.in:  New rules to build cppmain.
9753
9754Thu Mar 16 16:11:05 1995  Douglas Rupp  (drupp@cs.washington.edu)
9755
9756	* i386/winnt.h (FUNCTION_PROLOGUE, HAVE_probe, gen_probe): Deleted.
9757	(ENCODE_SECTION_INFO, VALID_MACHINE_DECL_ATTRIBUTE): New macro.
9758
9759Thu Mar 16 15:58:24 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9760
9761	* combine.c (apply_distributive_law, case SUBREG): Fix typo when
9762	checking for paradoxical SUBREG.
9763
9764Wed Mar 15 18:45:08 1995  Doug Evans  <dje@cygnus.com>
9765
9766	* libgcc1-test.c: Renamed from cross-test.c.
9767	* Makefile.in (LIBGCC1_TEST): Renamed from CROSS_TEST.
9768	(all.cross): Delete $(ENQUIRE) dependency.
9769	(libgcc1-test): Renamed from cross-test.
9770	Delete unnecessary gcc-cross and $(LIBGCC) dependencies.
9771	Link with -nostartfiles -nostdlib
9772	`$(GCC_FOR_TARGET) --print-libgcc-file-name`.
9773	(libgcc1-test.o): Renamed from cross-test.o.
9774	Change gcc-cross dependency to xgcc since the latter is used.
9775
9776Wed Mar 15 13:49:21 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9777
9778	* tree.c (save_tree_status): Now takes a tree 'context' instead of
9779	a boolean 'toplevel' as an argument.  If 'context' is not
9780	current_function_decl, create a new obstack for the new function.
9781	Also save inline_obstacks.
9782	(restore_tree_status): No longer takes a second argument.  Also
9783	restore inline_obstacks.
9784	(temporary_allocation): Clear inline_obstacks.
9785	(permanent_allocation): Free up the obstacks in inline_obstacks.
9786
9787	* function.h (struct function): New fields contains_functions and
9788	inline_obstacks.
9789
9790	* function.c (push_function_context_to): Now takes a tree
9791	'context' instead of a boolean 'toplevel' as an argument.
9792	Also save current_function_contains_functions.
9793	(push_function_context): Pass current_function_decl to it.
9794	(pop_function_context_from): Takes 'context' instead of 'toplevel'.
9795	Set current_function_contains_functions properly.
9796	(pop_function_context): Pass current_function_decl to it.
9797
9798Wed Mar 15 14:53:09 1995  Michael Meissner  <meissner@cygnus.com>
9799
9800	* rs6000/rs6000.md (abssi2): Turn into a define_expand.  If
9801	TARGET_POWER, do old code that uses the abs instruction.  If not,
9802	do abs in three instructions, using a temporary register, which
9803	enables generating more reasonable code for sne.  Add a recognizer
9804	for negative of the absolute value.  Add define_splits for the
9805	PowerPC.
9806	(sne insn): Add a recognizer for sne on the PowerPc to use two
9807	instructions, compared to the four generated using the absolute
9808	value insn.
9809
9810Tue Mar 14 18:38:40 1995  J.T. Conklin  <jtc@cygnus.com>
9811
9812	* m68k.md ({add,sub,mul,div}[sdx]f3): Add new patterns for recognizing
9813	SImode, HImode, and QImode operands.
9814
9815Mon Mar 13 18:59:36 EST 1995  David Edelsohn  <edelsohn@mhpcc.edu>
9816
9817	* rs6000.h (CPP_SPEC): Add PPC403.
9818	(processor_type): Add PPC403.
9819	(RTX_COSTS): Add PPC403.
9820	* powerpc.h (CPP_SPEC): Add PPC403.
9821	* sysv4.h (CPP_SPEC): Add PPC403.
9822	* rs6000.c (processor_target_table): Add PPC403.
9823	* rs6000.md (define_attr cpu and function units): Add PPC403.
9824
9825Mon Mar 13 14:40:23 1995  Michael Meissner  <meissner@cygnus.com>
9826
9827	* rs6000/rs6000.md (call, call_value insns): Do not put a nop
9828	after a bl instruction on System V.4 and eABI.
9829
9830	* rs6000/sysv.4 (SUBTARGET_SWITCHES): Add support for
9831	-mno-traceback to suppress the V.4 traceback word.
9832	(ASM_DECLARE_FUNCTION_NAME): Don't put out a traceback work if
9833	-mno-traceback.
9834
9835Mon Mar 13 13:36:37 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9836
9837	* t-svr4, i386/t-{crtpic,sol2}, m88k/t-svr4, sparc/t-sol2:
9838	Use -fPIC, rather than -fpic, for building crtstuff.
9839
9840Sat Mar 11 17:27:08 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
9841
9842	* configure: Use aix3newas.h for AIX 3.2.4 and 5.
9843	* rs6000/aix41.h: Undefine ASM_OUTPUT_EXTERNAL{,_LIBCALL}.
9844	* rs6000/aix3newas.h: New file.  Define ASM_SPEC to -u, and
9845	undefine ASM_OUTPUT_EXTERNAL{,_LIBCALL}.
9846
9847Sat Mar 11 06:42:50 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9848
9849	* dbxout.c (dbxout_symbol): Properly handle decl whose DECL_NAME
9850	points to a TYPE_DECL with a zero TYPE_NAME.
9851
9852Fri Mar 10 18:18:33 1995  Torbjorn Granlund  <tege@cygnus.com>
9853
9854	* pa.h (PROMOTE_MODE): Define.
9855
9856Fri Mar 10 14:37:58 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9857
9858	* sdbout.c (sdbout_record_type_name): If TYPE_NAME is
9859	a TYPE_DECL, get name from DECL_NAME.
9860
9861Fri Mar 10 14:09:26 1995  Doug Evans  <dje@cygnus.com>
9862
9863	* arm/riscix.h (SUBTARGET_SWITCHES): Renamed from
9864	ARM_EXTRA_TARGET_SWITCHES.
9865	* arm/riscix1-1.h (SUBTARGET_SWITCHES): Likewise.
9866	* arm.h (SUBTARGET_SWITCHES): Likewise.
9867	(TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
9868	(TARGET_SWITCHES): Add -msoft-float, -mhard-float.
9869	(BYTES_BIG_ENDIAN): Delete #ifndef/#endif.
9870	(CONDITIONAL_REGISTER_USAGE): If -msoft-float, disable fp regs.
9871	(FUNCTION_VALUE): R16 is return reg only if !-msoft-float.
9872	(LIBCALL_VALUE): Likewise.
9873	* arm.md (all fp patterns): Conditionalize on TARGET_HARD_FLOAT.
9874	(*movsf_soft_insn, *movdf_soft_insn): New patterns.
9875
9876Fri Mar 10 13:53:46 1995  Jim Wilson  <wilson@cygnus.com>
9877
9878	* reorg.c (steal_delay_list_from_target): Exit at the top if the
9879	branch in SEQ is not a single set.
9880
9881	* sh.md (movdi define_split, movdf define_split): Correct indentation
9882	and formatting.  Make the condition fail if an operand is a MEM
9883	with an auto-inc address.
9884
9885	* varasm.c (copy_constant): Copy operand of ADDR_EXPR if it is a
9886	constant.
9887
9888	* mips/abi64.h (SETUP_INCOMING_VARARGS): Correct arguments to
9889	move_block_from_reg call.
9890
9891	* expr.c (expand_assignment): When offset is zero, make new MEM
9892	before setting MEM_VOLATILE_P.
9893
9894	* reload.c (find_reloads, case 'o'): Accept a fully reloaded
9895	auto-increment address.
9896
9897	* combine.c (max_uid_cuid): New static variable.
9898	(INSN_CUID): Call abort if INSN is out of range.
9899	(combine_instructions): Set max_uid_cuid.  Set uid_cuid directly
9900	instead of through INSN_CUID.
9901	(get_last_value): Use prev_real_insn instead of prev_nonnote_insn.
9902	Ignore USE insns generated by combine.
9903
9904Fri Mar 10 13:47:08 1995  Rod Barman  <rodb@cs.ubc.ca>
9905
9906	* m68k/fpgnulib.c (__fixdfsi): Catch values < 0.5 in magnitude.
9907
9908Fri Mar 10 12:02:33 1995  Ian Lance Taylor  <ian@cygnus.com>
9909
9910	* fixincludes: Fix `typedef struct term;' on hppa1.1-hp-hpux9.
9911
9912Fri Mar 10 05:50:11 1995  Oliver Kellogg  (Oliver.Kellogg@RST13.DASA.DBMAIL.d400.de)
9913
9914	* 1750a.c (sectname): Reverse Init and Normal.
9915	(print_operand_address, case PLUS): Add case for LABEL_REF.
9916	(print_operand_address, case LABEL_REF): Split from SYMBOL_REF.
9917	(print_operand_address, case CODE_LABEL): New case.
9918	(ASM_FILE_END): Delete.
9919	* 1750a.h (FUNCTION_EPILOGUE): Restore stack before freeing local vars.
9920	(DEFAULT_SIGNED_CHAR): Now 1.
9921	(DATA_SECTION_ASM_OP): Use pseudo-op for read-only data (later copied).
9922	(JUMP_TABLES_IN_TEXT_SECTION): Define.
9923	(ASM_OUTPUT_ASCII): Split into multiple lines if long.
9924	(ASM_OUTPUT_{CHAR,SHORT,INT,LONG_INT}): Split up.
9925	(ASM_OUTPUT_COMMON): Call check_section.
9926
9927Thu Mar  9 12:46:53 1995  Michael Meissner  <meissner@cygnus.com>
9928
9929	* rs6000.md (movsf): Do not call truncdfsf2 for non PowerPC
9930	when expanding a store to memory and -msoft-float was used.
9931
9932Thu Mar  9 08:51:35 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9933
9934	* c-decl.c (start_function): Handle new parameter ATTRIBUTES.
9935	* c-tree.h (start_function): Add new parameter.
9936	* c-lang.c (finish_file): Pass new parm to start_function.
9937	* objc-act.c (build_module_descriptor, really_start_method): Likewise.
9938	* c-parse.in (fndef, nested_function): Pass prefix_attributes
9939	to start_function.
9940	(setspecs): Save prefix_attributes in declspec_stack.
9941	(decl rules): Restore prefix_attributes along with current_declspecs.
9942	(setattrs): Concatenate prefix_attributes to previous value.
9943	* c-common.c (decl_attributes): Handle prefix and suffix attributes
9944	the same way.
9945
9946	* print-tree.c (print_node): Fix typo in printing large INTEGER_CST.
9947
9948	* varasm.c (assemble_variable): Consistently use DECL_SIZE for
9949	everything.
9950
9951	* c-typeck.c (convert_for_assignment): Fix typo in testing for
9952	pointer to function type.
9953
9954	* varasm.c (record_constant_1): Handle NON_LVALUE_EXPR.
9955	Rewrite to use switch instead of if/then/elseif/else.
9956
9957Wed Mar  8 18:21:51 1995  Paul Eggert  <eggert@twinsun.com>
9958
9959	* cccp.c (do_include): Fix type typo: pcfbuflimit is char *, not int.
9960
9961Wed Mar  8 17:30:29 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
9962
9963	* fold-const.c (force_fit_type): Always propagate OVERFLOW.
9964
9965	* rtl.def (INLINE_HEADER): Add new "e" field.
9966	* rtl.h (FORCED_LABELS): New field; other fields adjusted.
9967	(gen_inline_header_rtx): New parm FORCED_LABELS.
9968	* emit-rtl.c (gen_inline_header): Add new parm FORCED_LABELS.
9969	* integrate.c (initialize_for_inline, output_inline_function):
9970	Handle FORCED_LABELS.
9971
9972Wed Mar  8 13:47:20 1995  Jason Merrill  (jason@cygnus.com)
9973
9974	* alpha.h (WORD_SWITCH_TAKES_ARG): Add -rpath.
9975	(LINK_SPEC): Pass through -taso and -rpath.
9976	* alpha/osf12.h (LINK_SPEC): Ditto.
9977
9978Wed Mar  8 09:59:56 1995  Michael Meissner  <meissner@cygnus.com>
9979
9980	* rs6000/eabi.asm: Rewrite so that the initialized pointers go
9981	into the .got2 section, which allows eabi.asm to be assembled with
9982	the -mrelocatable option.  Move the data picked up from the bl
9983	instruction to before the traceback tag.
9984
9985	* rs6000/sysv4.h (CPP_SPEC): Define _RELOCATABLE if -mrelocatable
9986	switch is used.
9987
9988	* libgcc2.c (__new_handler): Don't initialize the pointer variable
9989	with the address of __default_new_handler, which may not work in
9990	some shared library mechanisms.
9991	(__builtin_new): If __new_handler is NULL, call the function
9992	__default_new_handler.
9993
9994Tue Mar  7 17:34:59 1995  Ian Lance Taylor  <ian@cygnus.com>
9995
9996	* i960.h (PROCESS_PRAGMA): Define.
9997	(ROUND_TYPE_ALIGN): Pass maximum of COMPUTED and SPECIFIED to
9998	i960_round_align.
9999	(ROUND_TYPE_SIZE): Delete.
10000	* i960.c (process_pragma): Uncomment, and rewrite for gcc 2.
10001	(i960_round_size): Delete.
10002	(i960_round_align): Don't adjust suggested alignment downward.
10003	Restrict alignment to value set by #pragma align.
10004
10005Tue Mar  7 12:14:46 1995  Doug Evans  <dje@cygnus.com>
10006
10007	* configure (sparc64-*-elf): Add crtbegin.o, crtend.o to extra_parts.
10008	* sparc/sp64-elf.h (TARGET_VERSION): Define.
10009	(CPP_PREDEFINES): Delete sun, sparc, unix.  Delete OS assertions.
10010	(ASM_SPEC): Define.
10011	(LINK_SPEC): Delete solaris stuff, this is an embedded target.
10012	(STARTFILE_SPEC, ENDFILE_SPEC): Define.
10013
10014Mon Mar  6 17:54:01 1995  Doug Evans  <dje@cygnus.com>
10015
10016	* Makefile.in (install-common): Fix typo in installation of cpp.
10017	Likewise with gcc-cross.
10018
10019Mon Mar  6 02:29:05 1995  Jeffrey A. Law  <law@mole.gnu.ai.mit.edu>
10020
10021	* pa.md (movsicc): New expander.
10022
10023Fri Mar  3 13:34:20 1995  Michael Meissner  (meissner@cygnus.com)
10024
10025	* rs6000/sysv4.h (ASM_SPEC): If -mrelocatable was passed to
10026	compiler, pass it on to the assembler.
10027
10028Fri Mar  3 12:11:28 1995  Ian Lance Taylor  <ian@cygnus.com>
10029
10030	* fixincludes: Add fixes for VxWorks header files.
10031	* ginclude/stddef.h: If VxWorks typedef macros are defined, invoke
10032	them as appropriate.
10033
10034Fri Mar  3 05:48:54 1995  Paul Eggert  <eggert@twinsun.com>
10035
10036	* cccp.c (dump_single_macro): Fix typo: % wasn't properly
10037	doubled in printf formats.
10038
10039Thu Mar  2 19:44:02 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
10040
10041	* expr.c (expand_expr, CLEANUP_POINT_EXPR): Force the operand out
10042	of memory before running cleanups.
10043
10044Thu Mar  2 19:15:24 1995  Paul Eggert  <eggert@twinsun.com>
10045
10046	* cccp.c (rescan): Prevent accidental token-pasting to
10047	get !=, *=, /=, ==, or ^=.
10048
10049Thu Mar  2 15:37:13 1995  Jason Merrill  <jason@phydeaux.cygnus.com>
10050
10051	* c-typeck.c (build_binary_op): Avoid spurious warning
10052	comparing enumerator to unsigned variable.
10053
10054Thu Mar  2 18:18:38 1995  J.T. Conklin  <jtc@netbsd.org>
10055
10056	* m68k.md (sqrtsf2,sqrtdf2): Use fp precision specifiers.
10057
10058Thu Mar  2 18:09:01 1995  Stephen L Moshier  (moshier@world.std.com)
10059
10060	* c-lex.c (yylex, case !NOT_FLOAT): Remove previous change.
10061
10062Thu Mar  2 15:26:50 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)
10063
10064	* Makefile.in (bootstrap*): Pass new STAGE_PREFIX to recursive makes.
10065
10066Wed Mar  1 14:52:16 1995  Ian Lance Taylor  <ian@cygnus.com>
10067
10068	* i960/i960-coff.h (ASM_FILE_START): Define.
10069	(CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Define.
10070	(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Define.
10071	(CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Define.
10072	(INT_ASM_OP): Define.
10073	(ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
10074	* i960/vx960-coff.h (CPP_PREDEFINES): Define.
10075	(CPP_SPEC): Define.
10076	(CC1_SPEC): Default to -mca.
10077
10078Wed Mar  1 11:10:54 1995  Michael Meissner  (meissner@cygnus.com)
10079
10080	* rs6000/rs6000.c (output_prologue): Do not emit the word that
10081	gives the PC relative location to the local GOT table for the
10082	-mrelocatable option here.
10083	* rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Emit it here.
10084
10085	* t-eabi (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Build -msoft-float
10086	and -mrelocatable versions of the library.
10087
10088	* rs6000/powerpc.h (CPP_PREDEFINES): Define the cpu and machine as
10089	powerpc, not rs6000.
10090
10091	* libgcc2.c (_unwind_function): Clone for powerpc, using the
10092	PowerPC mnemonics.
10093
10094	* rs6000/rs6000.md (uminsi3, umaxsi3): Silence warnings that
10095	-2147483648 is too large to fit in a signed integer on 32-bit
10096	hosts.
10097
10098Wed Mar  1 06:48:31 1995  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10099
10100	* fold-const.c (decode_field_reference): Don't check TREE_CODE
10101	of EXP; let get_inner_reference decide if have reference.
10102	Allow no bit reference if have AND_MASK.
10103	(all_ones_mask_p): Use tree_int_cst_equal, not operand_equal_p.
10104	(unextend): New function.
10105	(fold_truthop): For constant cases, use new function, rework
10106	conversion, and warn if comparison can never be true.
10107
10108	* expr.c (store_expr): Do conversion in two steps for promoted lhs.
10109
10110See ChangeLog.9 for earlier changes.
10111
10112
10113Copyright (C) 1995-1996 Free Software Foundation, Inc.
10114
10115Copying and distribution of this file, with or without modification,
10116are permitted in any medium without royalty provided the copyright
10117notice and this notice are preserved.
10118