1 /* gfortran backend interface
2    Copyright (C) 2000-2013 Free Software Foundation, Inc.
3    Contributed by Paul Brook.
4 
5 This file is part of GCC.
6 
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
10 version.
11 
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15 for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3.  If not see
19 <http://www.gnu.org/licenses/>.  */
20 
21 /* f95-lang.c-- GCC backend interface stuff */
22 
23 /* declare required prototypes: */
24 
25 #include "config.h"
26 #include "system.h"
27 #include "ansidecl.h"
28 #include "system.h"
29 #include "coretypes.h"
30 #include "tree.h"
31 #include "gimple.h"
32 #include "flags.h"
33 #include "langhooks.h"
34 #include "langhooks-def.h"
35 #include "timevar.h"
36 #include "tm.h"
37 #include "function.h"
38 #include "ggc.h"
39 #include "toplev.h"
40 #include "target.h"
41 #include "debug.h"
42 #include "diagnostic.h"
43 #include "dumpfile.h"
44 #include "cgraph.h"
45 #include "gfortran.h"
46 #include "cpp.h"
47 #include "trans.h"
48 #include "trans-types.h"
49 #include "trans-const.h"
50 
51 /* Language-dependent contents of an identifier.  */
52 
53 struct GTY(())
54 lang_identifier {
55   struct tree_identifier common;
56 };
57 
58 /* The resulting tree type.  */
59 
60 union GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"),
61      chain_next ("CODE_CONTAINS_STRUCT (TREE_CODE (&%h.generic), TS_COMMON) ? ((union lang_tree_node *) TREE_CHAIN (&%h.generic)) : NULL")))
62 lang_tree_node {
63   union tree_node GTY((tag ("0"),
64 		       desc ("tree_node_structure (&%h)"))) generic;
65   struct lang_identifier GTY((tag ("1"))) identifier;
66 };
67 
68 /* Save and restore the variables in this file and elsewhere
69    that keep track of the progress of compilation of the current function.
70    Used for nested functions.  */
71 
72 struct GTY(())
73 language_function {
74   /* struct gfc_language_function base; */
75   struct binding_level *binding_level;
76 };
77 
78 static void gfc_init_decl_processing (void);
79 static void gfc_init_builtin_functions (void);
80 static bool global_bindings_p (void);
81 
82 /* Each front end provides its own.  */
83 static bool gfc_init (void);
84 static void gfc_finish (void);
85 static void gfc_write_global_declarations (void);
86 static void gfc_be_parse_file (void);
87 static alias_set_type gfc_get_alias_set (tree);
88 static void gfc_init_ts (void);
89 static tree gfc_builtin_function (tree);
90 
91 #undef LANG_HOOKS_NAME
92 #undef LANG_HOOKS_INIT
93 #undef LANG_HOOKS_FINISH
94 #undef LANG_HOOKS_WRITE_GLOBALS
95 #undef LANG_HOOKS_OPTION_LANG_MASK
96 #undef LANG_HOOKS_INIT_OPTIONS_STRUCT
97 #undef LANG_HOOKS_INIT_OPTIONS
98 #undef LANG_HOOKS_HANDLE_OPTION
99 #undef LANG_HOOKS_POST_OPTIONS
100 #undef LANG_HOOKS_PARSE_FILE
101 #undef LANG_HOOKS_MARK_ADDRESSABLE
102 #undef LANG_HOOKS_TYPE_FOR_MODE
103 #undef LANG_HOOKS_TYPE_FOR_SIZE
104 #undef LANG_HOOKS_GET_ALIAS_SET
105 #undef LANG_HOOKS_INIT_TS
106 #undef LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE
107 #undef LANG_HOOKS_OMP_PREDETERMINED_SHARING
108 #undef LANG_HOOKS_OMP_REPORT_DECL
109 #undef LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR
110 #undef LANG_HOOKS_OMP_CLAUSE_COPY_CTOR
111 #undef LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP
112 #undef LANG_HOOKS_OMP_CLAUSE_DTOR
113 #undef LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR
114 #undef LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE
115 #undef LANG_HOOKS_OMP_PRIVATE_OUTER_REF
116 #undef LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES
117 #undef LANG_HOOKS_BUILTIN_FUNCTION
118 #undef LANG_HOOKS_BUILTIN_FUNCTION
119 #undef LANG_HOOKS_GET_ARRAY_DESCR_INFO
120 
121 /* Define lang hooks.  */
122 #define LANG_HOOKS_NAME                 "GNU Fortran"
123 #define LANG_HOOKS_INIT                 gfc_init
124 #define LANG_HOOKS_FINISH               gfc_finish
125 #define LANG_HOOKS_WRITE_GLOBALS	gfc_write_global_declarations
126 #define LANG_HOOKS_OPTION_LANG_MASK	gfc_option_lang_mask
127 #define LANG_HOOKS_INIT_OPTIONS_STRUCT  gfc_init_options_struct
128 #define LANG_HOOKS_INIT_OPTIONS         gfc_init_options
129 #define LANG_HOOKS_HANDLE_OPTION        gfc_handle_option
130 #define LANG_HOOKS_POST_OPTIONS		gfc_post_options
131 #define LANG_HOOKS_PARSE_FILE           gfc_be_parse_file
132 #define LANG_HOOKS_TYPE_FOR_MODE	gfc_type_for_mode
133 #define LANG_HOOKS_TYPE_FOR_SIZE	gfc_type_for_size
134 #define LANG_HOOKS_GET_ALIAS_SET	gfc_get_alias_set
135 #define LANG_HOOKS_INIT_TS		gfc_init_ts
136 #define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE	gfc_omp_privatize_by_reference
137 #define LANG_HOOKS_OMP_PREDETERMINED_SHARING	gfc_omp_predetermined_sharing
138 #define LANG_HOOKS_OMP_REPORT_DECL		gfc_omp_report_decl
139 #define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR	gfc_omp_clause_default_ctor
140 #define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR		gfc_omp_clause_copy_ctor
141 #define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP		gfc_omp_clause_assign_op
142 #define LANG_HOOKS_OMP_CLAUSE_DTOR		gfc_omp_clause_dtor
143 #define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR	gfc_omp_disregard_value_expr
144 #define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE	gfc_omp_private_debug_clause
145 #define LANG_HOOKS_OMP_PRIVATE_OUTER_REF	gfc_omp_private_outer_ref
146 #define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \
147   gfc_omp_firstprivatize_type_sizes
148 #define LANG_HOOKS_BUILTIN_FUNCTION          gfc_builtin_function
149 #define LANG_HOOKS_GET_ARRAY_DESCR_INFO	     gfc_get_array_descr_info
150 
151 struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
152 
153 #define NULL_BINDING_LEVEL (struct binding_level *) NULL
154 
155 /* A chain of binding_level structures awaiting reuse.  */
156 
157 static GTY(()) struct binding_level *free_binding_level;
158 
159 /* True means we've initialized exception handling.  */
160 static bool gfc_eh_initialized_p;
161 
162 /* The current translation unit.  */
163 static GTY(()) tree current_translation_unit;
164 
165 
166 static void
gfc_create_decls(void)167 gfc_create_decls (void)
168 {
169   /* GCC builtins.  */
170   gfc_init_builtin_functions ();
171 
172   /* Runtime/IO library functions.  */
173   gfc_build_builtin_function_decls ();
174 
175   gfc_init_constants ();
176 
177   /* Build our translation-unit decl.  */
178   current_translation_unit = build_translation_unit_decl (NULL_TREE);
179 }
180 
181 
182 static void
gfc_be_parse_file(void)183 gfc_be_parse_file (void)
184 {
185   int errors;
186   int warnings;
187 
188   gfc_create_decls ();
189   gfc_parse_file ();
190   gfc_generate_constructors ();
191 
192   /* Tell the frontend about any errors.  */
193   gfc_get_errors (&warnings, &errors);
194   errorcount += errors;
195   warningcount += warnings;
196 
197   /* Clear the binding level stack.  */
198   while (!global_bindings_p ())
199     poplevel (0, 0);
200 }
201 
202 
203 /* Initialize everything.  */
204 
205 static bool
gfc_init(void)206 gfc_init (void)
207 {
208   if (!gfc_cpp_enabled ())
209     {
210       linemap_add (line_table, LC_ENTER, false, gfc_source_file, 1);
211       linemap_add (line_table, LC_RENAME, false, "<built-in>", 0);
212     }
213   else
214     gfc_cpp_init_0 ();
215 
216   gfc_init_decl_processing ();
217   gfc_static_ctors = NULL_TREE;
218 
219   if (gfc_cpp_enabled ())
220     gfc_cpp_init ();
221 
222   gfc_init_1 ();
223 
224   if (gfc_new_file () != SUCCESS)
225     fatal_error ("can't open input file: %s", gfc_source_file);
226 
227   return true;
228 }
229 
230 
231 static void
gfc_finish(void)232 gfc_finish (void)
233 {
234   gfc_cpp_done ();
235   gfc_done_1 ();
236   gfc_release_include_path ();
237   return;
238 }
239 
240 /* ??? This is something of a hack.
241 
242    Emulated tls lowering needs to see all TLS variables before we call
243    finalize_compilation_unit.  The C/C++ front ends manage this
244    by calling decl_rest_of_compilation on each global and static variable
245    as they are seen.  The Fortran front end waits until this hook.
246 
247    A Correct solution is for finalize_compilation_unit not to be
248    called during the WRITE_GLOBALS langhook, and have that hook only do what
249    its name suggests and write out globals.  But the C++ and Java front ends
250    have (unspecified) problems with aliases that gets in the way.  It has
251    been suggested that these problems would be solved by completing the
252    conversion to cgraph-based aliases.  */
253 
254 static void
gfc_write_global_declarations(void)255 gfc_write_global_declarations (void)
256 {
257   tree decl;
258 
259   /* Finalize all of the globals.  */
260   for (decl = getdecls(); decl ; decl = DECL_CHAIN (decl))
261     rest_of_decl_compilation (decl, true, true);
262 
263   write_global_declarations ();
264 }
265 
266 /* These functions and variables deal with binding contours.  We only
267    need these functions for the list of PARM_DECLs, but we leave the
268    functions more general; these are a simplified version of the
269    functions from GNAT.  */
270 
271 /* For each binding contour we allocate a binding_level structure which
272    records the entities defined or declared in that contour.  Contours
273    include:
274 
275         the global one
276         one for each subprogram definition
277         one for each compound statement (declare block)
278 
279    Binding contours are used to create GCC tree BLOCK nodes.  */
280 
281 struct GTY(())
282 binding_level {
283   /* A chain of ..._DECL nodes for all variables, constants, functions,
284      parameters and type declarations.  These ..._DECL nodes are chained
285      through the DECL_CHAIN field.  */
286   tree names;
287   /* For each level (except the global one), a chain of BLOCK nodes for all
288      the levels that were entered and exited one level down from this one.  */
289   tree blocks;
290   /* The binding level containing this one (the enclosing binding level).  */
291   struct binding_level *level_chain;
292 };
293 
294 /* The binding level currently in effect.  */
295 static GTY(()) struct binding_level *current_binding_level = NULL;
296 
297 /* The outermost binding level. This binding level is created when the
298    compiler is started and it will exist through the entire compilation.  */
299 static GTY(()) struct binding_level *global_binding_level;
300 
301 /* Binding level structures are initialized by copying this one.  */
302 static struct binding_level clear_binding_level = { NULL, NULL, NULL };
303 
304 
305 /* Return true if we are in the global binding level.  */
306 
307 bool
global_bindings_p(void)308 global_bindings_p (void)
309 {
310   return current_binding_level == global_binding_level;
311 }
312 
313 tree
getdecls(void)314 getdecls (void)
315 {
316   return current_binding_level->names;
317 }
318 
319 /* Enter a new binding level. */
320 
321 void
pushlevel(void)322 pushlevel (void)
323 {
324   struct binding_level *newlevel = ggc_alloc_binding_level ();
325 
326   *newlevel = clear_binding_level;
327 
328   /* Add this level to the front of the chain (stack) of levels that are
329      active.  */
330   newlevel->level_chain = current_binding_level;
331   current_binding_level = newlevel;
332 }
333 
334 /* Exit a binding level.
335    Pop the level off, and restore the state of the identifier-decl mappings
336    that were in effect when this level was entered.
337 
338    If KEEP is nonzero, this level had explicit declarations, so
339    and create a "block" (a BLOCK node) for the level
340    to record its declarations and subblocks for symbol table output.
341 
342    If FUNCTIONBODY is nonzero, this level is the body of a function,
343    so create a block as if KEEP were set and also clear out all
344    label names.  */
345 
346 tree
poplevel(int keep,int functionbody)347 poplevel (int keep, int functionbody)
348 {
349   /* Points to a BLOCK tree node. This is the BLOCK node constructed for the
350      binding level that we are about to exit and which is returned by this
351      routine.  */
352   tree block_node = NULL_TREE;
353   tree decl_chain = current_binding_level->names;
354   tree subblock_chain = current_binding_level->blocks;
355   tree subblock_node;
356 
357   /* If there were any declarations in the current binding level, or if this
358      binding level is a function body, or if there are any nested blocks then
359      create a BLOCK node to record them for the life of this function.  */
360   if (keep || functionbody)
361     block_node = build_block (keep ? decl_chain : 0, subblock_chain, 0, 0);
362 
363   /* Record the BLOCK node just built as the subblock its enclosing scope.  */
364   for (subblock_node = subblock_chain; subblock_node;
365        subblock_node = BLOCK_CHAIN (subblock_node))
366     BLOCK_SUPERCONTEXT (subblock_node) = block_node;
367 
368   /* Clear out the meanings of the local variables of this level.  */
369 
370   for (subblock_node = decl_chain; subblock_node;
371        subblock_node = DECL_CHAIN (subblock_node))
372     if (DECL_NAME (subblock_node) != 0)
373       /* If the identifier was used or addressed via a local extern decl,
374          don't forget that fact.  */
375       if (DECL_EXTERNAL (subblock_node))
376 	{
377 	  if (TREE_USED (subblock_node))
378 	    TREE_USED (DECL_NAME (subblock_node)) = 1;
379 	  if (TREE_ADDRESSABLE (subblock_node))
380 	    TREE_ADDRESSABLE (DECL_ASSEMBLER_NAME (subblock_node)) = 1;
381 	}
382 
383   /* Pop the current level.  */
384   current_binding_level = current_binding_level->level_chain;
385 
386   if (functionbody)
387     /* This is the top level block of a function. */
388     DECL_INITIAL (current_function_decl) = block_node;
389   else if (current_binding_level == global_binding_level)
390     /* When using gfc_start_block/gfc_finish_block from middle-end hooks,
391        don't add newly created BLOCKs as subblocks of global_binding_level.  */
392     ;
393   else if (block_node)
394     {
395       current_binding_level->blocks
396 	= block_chainon (current_binding_level->blocks, block_node);
397     }
398 
399   /* If we did not make a block for the level just exited, any blocks made for
400      inner levels (since they cannot be recorded as subblocks in that level)
401      must be carried forward so they will later become subblocks of something
402      else.  */
403   else if (subblock_chain)
404     current_binding_level->blocks
405       = block_chainon (current_binding_level->blocks, subblock_chain);
406   if (block_node)
407     TREE_USED (block_node) = 1;
408 
409   return block_node;
410 }
411 
412 
413 /* Records a ..._DECL node DECL as belonging to the current lexical scope.
414    Returns the ..._DECL node.  */
415 
416 tree
pushdecl(tree decl)417 pushdecl (tree decl)
418 {
419   if (global_bindings_p ())
420     DECL_CONTEXT (decl) = current_translation_unit;
421   else
422     {
423       /* External objects aren't nested.  For debug info insert a copy
424          of the decl into the binding level.  */
425       if (DECL_EXTERNAL (decl))
426 	{
427 	  tree orig = decl;
428 	  decl = copy_node (decl);
429 	  DECL_CONTEXT (orig) = NULL_TREE;
430 	}
431       DECL_CONTEXT (decl) = current_function_decl;
432     }
433 
434   /* Put the declaration on the list.  */
435   DECL_CHAIN (decl) = current_binding_level->names;
436   current_binding_level->names = decl;
437 
438   /* For the declaration of a type, set its name if it is not already set.  */
439 
440   if (TREE_CODE (decl) == TYPE_DECL && TYPE_NAME (TREE_TYPE (decl)) == 0)
441     {
442       if (DECL_SOURCE_LINE (decl) == 0)
443 	TYPE_NAME (TREE_TYPE (decl)) = decl;
444       else
445 	TYPE_NAME (TREE_TYPE (decl)) = DECL_NAME (decl);
446     }
447 
448   return decl;
449 }
450 
451 
452 /* Like pushdecl, only it places X in GLOBAL_BINDING_LEVEL.  */
453 
454 tree
pushdecl_top_level(tree x)455 pushdecl_top_level (tree x)
456 {
457   tree t;
458   struct binding_level *b = current_binding_level;
459 
460   current_binding_level = global_binding_level;
461   t = pushdecl (x);
462   current_binding_level = b;
463   return t;
464 }
465 
466 #ifndef CHAR_TYPE_SIZE
467 #define CHAR_TYPE_SIZE BITS_PER_UNIT
468 #endif
469 
470 #ifndef INT_TYPE_SIZE
471 #define INT_TYPE_SIZE BITS_PER_WORD
472 #endif
473 
474 #undef SIZE_TYPE
475 #define SIZE_TYPE "long unsigned int"
476 
477 /* Create tree nodes for the basic scalar types of Fortran 95,
478    and some nodes representing standard constants (0, 1, (void *) 0).
479    Initialize the global binding level.
480    Make definitions for built-in primitive functions.  */
481 static void
gfc_init_decl_processing(void)482 gfc_init_decl_processing (void)
483 {
484   current_function_decl = NULL;
485   current_binding_level = NULL_BINDING_LEVEL;
486   free_binding_level = NULL_BINDING_LEVEL;
487 
488   /* Make the binding_level structure for global names. We move all
489      variables that are in a COMMON block to this binding level.  */
490   pushlevel ();
491   global_binding_level = current_binding_level;
492 
493   /* Build common tree nodes. char_type_node is unsigned because we
494      only use it for actual characters, not for INTEGER(1). Also, we
495      want double_type_node to actually have double precision.  */
496   build_common_tree_nodes (false, false);
497 
498   void_list_node = build_tree_list (NULL_TREE, void_type_node);
499 
500   /* Set up F95 type nodes.  */
501   gfc_init_kinds ();
502   gfc_init_types ();
503   gfc_init_c_interop_kinds ();
504 }
505 
506 
507 /* Return the typed-based alias set for T, which may be an expression
508    or a type.  Return -1 if we don't do anything special.  */
509 
510 static alias_set_type
gfc_get_alias_set(tree t)511 gfc_get_alias_set (tree t)
512 {
513   tree u;
514 
515   /* Permit type-punning when accessing an EQUIVALENCEd variable or
516      mixed type entry master's return value.  */
517   for (u = t; handled_component_p (u); u = TREE_OPERAND (u, 0))
518     if (TREE_CODE (u) == COMPONENT_REF
519 	&& TREE_CODE (TREE_TYPE (TREE_OPERAND (u, 0))) == UNION_TYPE)
520       return 0;
521 
522   return -1;
523 }
524 
525 /* Builtin function initialization.  */
526 
527 static tree
gfc_builtin_function(tree decl)528 gfc_builtin_function (tree decl)
529 {
530   pushdecl (decl);
531   return decl;
532 }
533 
534 /* So far we need just these 4 attribute types.  */
535 #define ATTR_NOTHROW_LEAF_LIST		(ECF_NOTHROW | ECF_LEAF)
536 #define ATTR_NOTHROW_LEAF_MALLOC_LIST	(ECF_NOTHROW | ECF_LEAF | ECF_MALLOC)
537 #define ATTR_CONST_NOTHROW_LEAF_LIST	(ECF_NOTHROW | ECF_LEAF | ECF_CONST)
538 #define ATTR_NOTHROW_LIST		(ECF_NOTHROW)
539 #define ATTR_CONST_NOTHROW_LIST		(ECF_NOTHROW | ECF_CONST)
540 
541 static void
gfc_define_builtin(const char * name,tree type,enum built_in_function code,const char * library_name,int attr)542 gfc_define_builtin (const char *name, tree type, enum built_in_function code,
543 		    const char *library_name, int attr)
544 {
545   tree decl;
546 
547   decl = add_builtin_function (name, type, code, BUILT_IN_NORMAL,
548 			       library_name, NULL_TREE);
549   set_call_expr_flags (decl, attr);
550 
551   set_builtin_decl (code, decl, true);
552 }
553 
554 
555 #define DO_DEFINE_MATH_BUILTIN(code, name, argtype, tbase) \
556     gfc_define_builtin ("__builtin_" name "l", tbase##longdouble[argtype], \
557 			BUILT_IN_ ## code ## L, name "l", \
558 			ATTR_CONST_NOTHROW_LEAF_LIST); \
559     gfc_define_builtin ("__builtin_" name, tbase##double[argtype], \
560 			BUILT_IN_ ## code, name, \
561 			ATTR_CONST_NOTHROW_LEAF_LIST); \
562     gfc_define_builtin ("__builtin_" name "f", tbase##float[argtype], \
563 			BUILT_IN_ ## code ## F, name "f", \
564 			ATTR_CONST_NOTHROW_LEAF_LIST);
565 
566 #define DEFINE_MATH_BUILTIN(code, name, argtype) \
567     DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_)
568 
569 #define DEFINE_MATH_BUILTIN_C(code, name, argtype) \
570     DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_) \
571     DO_DEFINE_MATH_BUILTIN (C##code, "c" name, argtype, mfunc_c)
572 
573 
574 /* Create function types for builtin functions.  */
575 
576 static void
build_builtin_fntypes(tree * fntype,tree type)577 build_builtin_fntypes (tree *fntype, tree type)
578 {
579   /* type (*) (type) */
580   fntype[0] = build_function_type_list (type, type, NULL_TREE);
581   /* type (*) (type, type) */
582   fntype[1] = build_function_type_list (type, type, type, NULL_TREE);
583   /* type (*) (type, int) */
584   fntype[2] = build_function_type_list (type,
585                                         type, integer_type_node, NULL_TREE);
586   /* type (*) (void) */
587   fntype[3] = build_function_type_list (type, NULL_TREE);
588   /* type (*) (type, &int) */
589   fntype[4] = build_function_type_list (type, type,
590                                         build_pointer_type (integer_type_node),
591                                         NULL_TREE);
592   /* type (*) (int, type) */
593   fntype[5] = build_function_type_list (type,
594                                         integer_type_node, type, NULL_TREE);
595 }
596 
597 
598 static tree
builtin_type_for_size(int size,bool unsignedp)599 builtin_type_for_size (int size, bool unsignedp)
600 {
601   tree type = gfc_type_for_size (size, unsignedp);
602   return type ? type : error_mark_node;
603 }
604 
605 /* Initialization of builtin function nodes.  */
606 
607 static void
gfc_init_builtin_functions(void)608 gfc_init_builtin_functions (void)
609 {
610   enum builtin_type
611   {
612 #define DEF_PRIMITIVE_TYPE(NAME, VALUE) NAME,
613 #define DEF_FUNCTION_TYPE_0(NAME, RETURN) NAME,
614 #define DEF_FUNCTION_TYPE_1(NAME, RETURN, ARG1) NAME,
615 #define DEF_FUNCTION_TYPE_2(NAME, RETURN, ARG1, ARG2) NAME,
616 #define DEF_FUNCTION_TYPE_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME,
617 #define DEF_FUNCTION_TYPE_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) NAME,
618 #define DEF_FUNCTION_TYPE_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) NAME,
619 #define DEF_FUNCTION_TYPE_6(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6) NAME,
620 #define DEF_FUNCTION_TYPE_7(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7) NAME,
621 #define DEF_FUNCTION_TYPE_VAR_0(NAME, RETURN) NAME,
622 #define DEF_POINTER_TYPE(NAME, TYPE) NAME,
623 #include "types.def"
624 #undef DEF_PRIMITIVE_TYPE
625 #undef DEF_FUNCTION_TYPE_0
626 #undef DEF_FUNCTION_TYPE_1
627 #undef DEF_FUNCTION_TYPE_2
628 #undef DEF_FUNCTION_TYPE_3
629 #undef DEF_FUNCTION_TYPE_4
630 #undef DEF_FUNCTION_TYPE_5
631 #undef DEF_FUNCTION_TYPE_6
632 #undef DEF_FUNCTION_TYPE_7
633 #undef DEF_FUNCTION_TYPE_VAR_0
634 #undef DEF_POINTER_TYPE
635     BT_LAST
636   };
637 
638   tree mfunc_float[6];
639   tree mfunc_double[6];
640   tree mfunc_longdouble[6];
641   tree mfunc_cfloat[6];
642   tree mfunc_cdouble[6];
643   tree mfunc_clongdouble[6];
644   tree func_cfloat_float, func_float_cfloat;
645   tree func_cdouble_double, func_double_cdouble;
646   tree func_clongdouble_longdouble, func_longdouble_clongdouble;
647   tree func_float_floatp_floatp;
648   tree func_double_doublep_doublep;
649   tree func_longdouble_longdoublep_longdoublep;
650   tree ftype, ptype;
651   tree builtin_types[(int) BT_LAST + 1];
652 
653   build_builtin_fntypes (mfunc_float, float_type_node);
654   build_builtin_fntypes (mfunc_double, double_type_node);
655   build_builtin_fntypes (mfunc_longdouble, long_double_type_node);
656   build_builtin_fntypes (mfunc_cfloat, complex_float_type_node);
657   build_builtin_fntypes (mfunc_cdouble, complex_double_type_node);
658   build_builtin_fntypes (mfunc_clongdouble, complex_long_double_type_node);
659 
660   func_cfloat_float = build_function_type_list (float_type_node,
661                                                 complex_float_type_node,
662                                                 NULL_TREE);
663 
664   func_float_cfloat = build_function_type_list (complex_float_type_node,
665                                                 float_type_node, NULL_TREE);
666 
667   func_cdouble_double = build_function_type_list (double_type_node,
668                                                   complex_double_type_node,
669                                                   NULL_TREE);
670 
671   func_double_cdouble = build_function_type_list (complex_double_type_node,
672                                                   double_type_node, NULL_TREE);
673 
674   func_clongdouble_longdouble =
675     build_function_type_list (long_double_type_node,
676                               complex_long_double_type_node, NULL_TREE);
677 
678   func_longdouble_clongdouble =
679     build_function_type_list (complex_long_double_type_node,
680                               long_double_type_node, NULL_TREE);
681 
682   ptype = build_pointer_type (float_type_node);
683   func_float_floatp_floatp =
684     build_function_type_list (void_type_node, ptype, ptype, NULL_TREE);
685 
686   ptype = build_pointer_type (double_type_node);
687   func_double_doublep_doublep =
688     build_function_type_list (void_type_node, ptype, ptype, NULL_TREE);
689 
690   ptype = build_pointer_type (long_double_type_node);
691   func_longdouble_longdoublep_longdoublep =
692     build_function_type_list (void_type_node, ptype, ptype, NULL_TREE);
693 
694 /* Non-math builtins are defined manually, so they're not included here.  */
695 #define OTHER_BUILTIN(ID,NAME,TYPE,CONST)
696 
697 #include "mathbuiltins.def"
698 
699   gfc_define_builtin ("__builtin_roundl", mfunc_longdouble[0],
700 		      BUILT_IN_ROUNDL, "roundl", ATTR_CONST_NOTHROW_LEAF_LIST);
701   gfc_define_builtin ("__builtin_round", mfunc_double[0],
702 		      BUILT_IN_ROUND, "round", ATTR_CONST_NOTHROW_LEAF_LIST);
703   gfc_define_builtin ("__builtin_roundf", mfunc_float[0],
704 		      BUILT_IN_ROUNDF, "roundf", ATTR_CONST_NOTHROW_LEAF_LIST);
705 
706   gfc_define_builtin ("__builtin_truncl", mfunc_longdouble[0],
707 		      BUILT_IN_TRUNCL, "truncl", ATTR_CONST_NOTHROW_LEAF_LIST);
708   gfc_define_builtin ("__builtin_trunc", mfunc_double[0],
709 		      BUILT_IN_TRUNC, "trunc", ATTR_CONST_NOTHROW_LEAF_LIST);
710   gfc_define_builtin ("__builtin_truncf", mfunc_float[0],
711 		      BUILT_IN_TRUNCF, "truncf", ATTR_CONST_NOTHROW_LEAF_LIST);
712 
713   gfc_define_builtin ("__builtin_cabsl", func_clongdouble_longdouble,
714 		      BUILT_IN_CABSL, "cabsl", ATTR_CONST_NOTHROW_LEAF_LIST);
715   gfc_define_builtin ("__builtin_cabs", func_cdouble_double,
716 		      BUILT_IN_CABS, "cabs", ATTR_CONST_NOTHROW_LEAF_LIST);
717   gfc_define_builtin ("__builtin_cabsf", func_cfloat_float,
718 		      BUILT_IN_CABSF, "cabsf", ATTR_CONST_NOTHROW_LEAF_LIST);
719 
720   gfc_define_builtin ("__builtin_copysignl", mfunc_longdouble[1],
721 		      BUILT_IN_COPYSIGNL, "copysignl",
722 		      ATTR_CONST_NOTHROW_LEAF_LIST);
723   gfc_define_builtin ("__builtin_copysign", mfunc_double[1],
724 		      BUILT_IN_COPYSIGN, "copysign",
725 		      ATTR_CONST_NOTHROW_LEAF_LIST);
726   gfc_define_builtin ("__builtin_copysignf", mfunc_float[1],
727 		      BUILT_IN_COPYSIGNF, "copysignf",
728 		      ATTR_CONST_NOTHROW_LEAF_LIST);
729 
730   gfc_define_builtin ("__builtin_nextafterl", mfunc_longdouble[1],
731 		      BUILT_IN_NEXTAFTERL, "nextafterl",
732 		      ATTR_CONST_NOTHROW_LEAF_LIST);
733   gfc_define_builtin ("__builtin_nextafter", mfunc_double[1],
734 		      BUILT_IN_NEXTAFTER, "nextafter",
735 		      ATTR_CONST_NOTHROW_LEAF_LIST);
736   gfc_define_builtin ("__builtin_nextafterf", mfunc_float[1],
737 		      BUILT_IN_NEXTAFTERF, "nextafterf",
738 		      ATTR_CONST_NOTHROW_LEAF_LIST);
739 
740   gfc_define_builtin ("__builtin_frexpl", mfunc_longdouble[4],
741 		      BUILT_IN_FREXPL, "frexpl", ATTR_NOTHROW_LEAF_LIST);
742   gfc_define_builtin ("__builtin_frexp", mfunc_double[4],
743 		      BUILT_IN_FREXP, "frexp", ATTR_NOTHROW_LEAF_LIST);
744   gfc_define_builtin ("__builtin_frexpf", mfunc_float[4],
745 		      BUILT_IN_FREXPF, "frexpf", ATTR_NOTHROW_LEAF_LIST);
746 
747   gfc_define_builtin ("__builtin_fabsl", mfunc_longdouble[0],
748 		      BUILT_IN_FABSL, "fabsl", ATTR_CONST_NOTHROW_LEAF_LIST);
749   gfc_define_builtin ("__builtin_fabs", mfunc_double[0],
750 		      BUILT_IN_FABS, "fabs", ATTR_CONST_NOTHROW_LEAF_LIST);
751   gfc_define_builtin ("__builtin_fabsf", mfunc_float[0],
752 		      BUILT_IN_FABSF, "fabsf", ATTR_CONST_NOTHROW_LEAF_LIST);
753 
754   gfc_define_builtin ("__builtin_scalbnl", mfunc_longdouble[5],
755 		      BUILT_IN_SCALBNL, "scalbnl", ATTR_CONST_NOTHROW_LEAF_LIST);
756   gfc_define_builtin ("__builtin_scalbn", mfunc_double[5],
757 		      BUILT_IN_SCALBN, "scalbn", ATTR_CONST_NOTHROW_LEAF_LIST);
758   gfc_define_builtin ("__builtin_scalbnf", mfunc_float[5],
759 		      BUILT_IN_SCALBNF, "scalbnf", ATTR_CONST_NOTHROW_LEAF_LIST);
760 
761   gfc_define_builtin ("__builtin_fmodl", mfunc_longdouble[1],
762 		      BUILT_IN_FMODL, "fmodl", ATTR_CONST_NOTHROW_LEAF_LIST);
763   gfc_define_builtin ("__builtin_fmod", mfunc_double[1],
764 		      BUILT_IN_FMOD, "fmod", ATTR_CONST_NOTHROW_LEAF_LIST);
765   gfc_define_builtin ("__builtin_fmodf", mfunc_float[1],
766 		      BUILT_IN_FMODF, "fmodf", ATTR_CONST_NOTHROW_LEAF_LIST);
767 
768   /* iround{f,,l}, lround{f,,l} and llround{f,,l} */
769   ftype = build_function_type_list (integer_type_node,
770                                     float_type_node, NULL_TREE);
771   gfc_define_builtin("__builtin_iroundf", ftype, BUILT_IN_IROUNDF,
772 		     "iroundf", ATTR_CONST_NOTHROW_LEAF_LIST);
773   ftype = build_function_type_list (long_integer_type_node,
774                                     float_type_node, NULL_TREE);
775   gfc_define_builtin ("__builtin_lroundf", ftype, BUILT_IN_LROUNDF,
776 		      "lroundf", ATTR_CONST_NOTHROW_LEAF_LIST);
777   ftype = build_function_type_list (long_long_integer_type_node,
778                                     float_type_node, NULL_TREE);
779   gfc_define_builtin ("__builtin_llroundf", ftype, BUILT_IN_LLROUNDF,
780 		      "llroundf", ATTR_CONST_NOTHROW_LEAF_LIST);
781 
782   ftype = build_function_type_list (integer_type_node,
783                                     double_type_node, NULL_TREE);
784   gfc_define_builtin("__builtin_iround", ftype, BUILT_IN_IROUND,
785 		     "iround", ATTR_CONST_NOTHROW_LEAF_LIST);
786   ftype = build_function_type_list (long_integer_type_node,
787                                     double_type_node, NULL_TREE);
788   gfc_define_builtin ("__builtin_lround", ftype, BUILT_IN_LROUND,
789 		      "lround", ATTR_CONST_NOTHROW_LEAF_LIST);
790   ftype = build_function_type_list (long_long_integer_type_node,
791                                     double_type_node, NULL_TREE);
792   gfc_define_builtin ("__builtin_llround", ftype, BUILT_IN_LLROUND,
793 		      "llround", ATTR_CONST_NOTHROW_LEAF_LIST);
794 
795   ftype = build_function_type_list (integer_type_node,
796                                     long_double_type_node, NULL_TREE);
797   gfc_define_builtin("__builtin_iroundl", ftype, BUILT_IN_IROUNDL,
798 		     "iroundl", ATTR_CONST_NOTHROW_LEAF_LIST);
799   ftype = build_function_type_list (long_integer_type_node,
800                                     long_double_type_node, NULL_TREE);
801   gfc_define_builtin ("__builtin_lroundl", ftype, BUILT_IN_LROUNDL,
802 		      "lroundl", ATTR_CONST_NOTHROW_LEAF_LIST);
803   ftype = build_function_type_list (long_long_integer_type_node,
804                                     long_double_type_node, NULL_TREE);
805   gfc_define_builtin ("__builtin_llroundl", ftype, BUILT_IN_LLROUNDL,
806 		      "llroundl", ATTR_CONST_NOTHROW_LEAF_LIST);
807 
808   /* These are used to implement the ** operator.  */
809   gfc_define_builtin ("__builtin_powl", mfunc_longdouble[1],
810 		      BUILT_IN_POWL, "powl", ATTR_CONST_NOTHROW_LEAF_LIST);
811   gfc_define_builtin ("__builtin_pow", mfunc_double[1],
812 		      BUILT_IN_POW, "pow", ATTR_CONST_NOTHROW_LEAF_LIST);
813   gfc_define_builtin ("__builtin_powf", mfunc_float[1],
814 		      BUILT_IN_POWF, "powf", ATTR_CONST_NOTHROW_LEAF_LIST);
815   gfc_define_builtin ("__builtin_cpowl", mfunc_clongdouble[1],
816 		      BUILT_IN_CPOWL, "cpowl", ATTR_CONST_NOTHROW_LEAF_LIST);
817   gfc_define_builtin ("__builtin_cpow", mfunc_cdouble[1],
818 		      BUILT_IN_CPOW, "cpow", ATTR_CONST_NOTHROW_LEAF_LIST);
819   gfc_define_builtin ("__builtin_cpowf", mfunc_cfloat[1],
820 		      BUILT_IN_CPOWF, "cpowf", ATTR_CONST_NOTHROW_LEAF_LIST);
821   gfc_define_builtin ("__builtin_powil", mfunc_longdouble[2],
822 		      BUILT_IN_POWIL, "powil", ATTR_CONST_NOTHROW_LEAF_LIST);
823   gfc_define_builtin ("__builtin_powi", mfunc_double[2],
824 		      BUILT_IN_POWI, "powi", ATTR_CONST_NOTHROW_LEAF_LIST);
825   gfc_define_builtin ("__builtin_powif", mfunc_float[2],
826 		      BUILT_IN_POWIF, "powif", ATTR_CONST_NOTHROW_LEAF_LIST);
827 
828 
829   if (TARGET_C99_FUNCTIONS)
830     {
831       gfc_define_builtin ("__builtin_cbrtl", mfunc_longdouble[0],
832 			  BUILT_IN_CBRTL, "cbrtl",
833 			  ATTR_CONST_NOTHROW_LEAF_LIST);
834       gfc_define_builtin ("__builtin_cbrt", mfunc_double[0],
835 			  BUILT_IN_CBRT, "cbrt",
836 			  ATTR_CONST_NOTHROW_LEAF_LIST);
837       gfc_define_builtin ("__builtin_cbrtf", mfunc_float[0],
838 			  BUILT_IN_CBRTF, "cbrtf",
839 			  ATTR_CONST_NOTHROW_LEAF_LIST);
840       gfc_define_builtin ("__builtin_cexpil", func_longdouble_clongdouble,
841 			  BUILT_IN_CEXPIL, "cexpil",
842 			  ATTR_CONST_NOTHROW_LEAF_LIST);
843       gfc_define_builtin ("__builtin_cexpi", func_double_cdouble,
844 			  BUILT_IN_CEXPI, "cexpi",
845 			  ATTR_CONST_NOTHROW_LEAF_LIST);
846       gfc_define_builtin ("__builtin_cexpif", func_float_cfloat,
847 			  BUILT_IN_CEXPIF, "cexpif",
848 			  ATTR_CONST_NOTHROW_LEAF_LIST);
849     }
850 
851   if (TARGET_HAS_SINCOS)
852     {
853       gfc_define_builtin ("__builtin_sincosl",
854 			  func_longdouble_longdoublep_longdoublep,
855 			  BUILT_IN_SINCOSL, "sincosl", ATTR_NOTHROW_LEAF_LIST);
856       gfc_define_builtin ("__builtin_sincos", func_double_doublep_doublep,
857 			  BUILT_IN_SINCOS, "sincos", ATTR_NOTHROW_LEAF_LIST);
858       gfc_define_builtin ("__builtin_sincosf", func_float_floatp_floatp,
859 			  BUILT_IN_SINCOSF, "sincosf", ATTR_NOTHROW_LEAF_LIST);
860     }
861 
862   /* For LEADZ, TRAILZ, POPCNT and POPPAR.  */
863   ftype = build_function_type_list (integer_type_node,
864                                     unsigned_type_node, NULL_TREE);
865   gfc_define_builtin ("__builtin_clz", ftype, BUILT_IN_CLZ,
866 		      "__builtin_clz", ATTR_CONST_NOTHROW_LEAF_LIST);
867   gfc_define_builtin ("__builtin_ctz", ftype, BUILT_IN_CTZ,
868 		      "__builtin_ctz", ATTR_CONST_NOTHROW_LEAF_LIST);
869   gfc_define_builtin ("__builtin_parity", ftype, BUILT_IN_PARITY,
870 		      "__builtin_parity", ATTR_CONST_NOTHROW_LEAF_LIST);
871   gfc_define_builtin ("__builtin_popcount", ftype, BUILT_IN_POPCOUNT,
872 		      "__builtin_popcount", ATTR_CONST_NOTHROW_LEAF_LIST);
873 
874   ftype = build_function_type_list (integer_type_node,
875                                     long_unsigned_type_node, NULL_TREE);
876   gfc_define_builtin ("__builtin_clzl", ftype, BUILT_IN_CLZL,
877 		      "__builtin_clzl", ATTR_CONST_NOTHROW_LEAF_LIST);
878   gfc_define_builtin ("__builtin_ctzl", ftype, BUILT_IN_CTZL,
879 		      "__builtin_ctzl", ATTR_CONST_NOTHROW_LEAF_LIST);
880   gfc_define_builtin ("__builtin_parityl", ftype, BUILT_IN_PARITYL,
881 		      "__builtin_parityl", ATTR_CONST_NOTHROW_LEAF_LIST);
882   gfc_define_builtin ("__builtin_popcountl", ftype, BUILT_IN_POPCOUNTL,
883 		      "__builtin_popcountl", ATTR_CONST_NOTHROW_LEAF_LIST);
884 
885   ftype = build_function_type_list (integer_type_node,
886                                     long_long_unsigned_type_node, NULL_TREE);
887   gfc_define_builtin ("__builtin_clzll", ftype, BUILT_IN_CLZLL,
888 		      "__builtin_clzll", ATTR_CONST_NOTHROW_LEAF_LIST);
889   gfc_define_builtin ("__builtin_ctzll", ftype, BUILT_IN_CTZLL,
890 		      "__builtin_ctzll", ATTR_CONST_NOTHROW_LEAF_LIST);
891   gfc_define_builtin ("__builtin_parityll", ftype, BUILT_IN_PARITYLL,
892 		      "__builtin_parityll", ATTR_CONST_NOTHROW_LEAF_LIST);
893   gfc_define_builtin ("__builtin_popcountll", ftype, BUILT_IN_POPCOUNTLL,
894 		      "__builtin_popcountll", ATTR_CONST_NOTHROW_LEAF_LIST);
895 
896   /* Other builtin functions we use.  */
897 
898   ftype = build_function_type_list (long_integer_type_node,
899                                     long_integer_type_node,
900                                     long_integer_type_node, NULL_TREE);
901   gfc_define_builtin ("__builtin_expect", ftype, BUILT_IN_EXPECT,
902 		      "__builtin_expect", ATTR_CONST_NOTHROW_LEAF_LIST);
903 
904   ftype = build_function_type_list (void_type_node,
905                                     pvoid_type_node, NULL_TREE);
906   gfc_define_builtin ("__builtin_free", ftype, BUILT_IN_FREE,
907 		      "free", ATTR_NOTHROW_LEAF_LIST);
908 
909   ftype = build_function_type_list (pvoid_type_node,
910                                     size_type_node, NULL_TREE);
911   gfc_define_builtin ("__builtin_malloc", ftype, BUILT_IN_MALLOC,
912 		      "malloc", ATTR_NOTHROW_LEAF_MALLOC_LIST);
913 
914   ftype = build_function_type_list (pvoid_type_node, size_type_node,
915 				    size_type_node, NULL_TREE);
916   gfc_define_builtin ("__builtin_calloc", ftype, BUILT_IN_CALLOC,
917 		      "calloc", ATTR_NOTHROW_LEAF_MALLOC_LIST);
918   DECL_IS_MALLOC (builtin_decl_explicit (BUILT_IN_CALLOC)) = 1;
919 
920   ftype = build_function_type_list (pvoid_type_node,
921                                     size_type_node, pvoid_type_node,
922                                     NULL_TREE);
923   gfc_define_builtin ("__builtin_realloc", ftype, BUILT_IN_REALLOC,
924 		      "realloc", ATTR_NOTHROW_LEAF_LIST);
925 
926   ftype = build_function_type_list (integer_type_node,
927                                     void_type_node, NULL_TREE);
928   gfc_define_builtin ("__builtin_isnan", ftype, BUILT_IN_ISNAN,
929 		      "__builtin_isnan", ATTR_CONST_NOTHROW_LEAF_LIST);
930 
931 #define DEF_PRIMITIVE_TYPE(ENUM, VALUE) \
932   builtin_types[(int) ENUM] = VALUE;
933 #define DEF_FUNCTION_TYPE_0(ENUM, RETURN)                       \
934   builtin_types[(int) ENUM]                                     \
935     = build_function_type_list (builtin_types[(int) RETURN],	\
936                                 NULL_TREE);
937 #define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1)				\
938   builtin_types[(int) ENUM]						\
939     = build_function_type_list (builtin_types[(int) RETURN],            \
940                                 builtin_types[(int) ARG1],              \
941                                 NULL_TREE);
942 #define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2)           \
943   builtin_types[(int) ENUM]                                     \
944     = build_function_type_list (builtin_types[(int) RETURN],    \
945                                 builtin_types[(int) ARG1],      \
946                                 builtin_types[(int) ARG2],      \
947                                 NULL_TREE);
948 #define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3)             \
949   builtin_types[(int) ENUM]                                             \
950     = build_function_type_list (builtin_types[(int) RETURN],            \
951                                 builtin_types[(int) ARG1],              \
952                                 builtin_types[(int) ARG2],              \
953                                 builtin_types[(int) ARG3],              \
954                                 NULL_TREE);
955 #define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4)	\
956   builtin_types[(int) ENUM]						\
957     = build_function_type_list (builtin_types[(int) RETURN],            \
958                                 builtin_types[(int) ARG1],              \
959                                 builtin_types[(int) ARG2],              \
960                                 builtin_types[(int) ARG3],		\
961                                 builtin_types[(int) ARG4],              \
962                                 NULL_TREE);
963 #define DEF_FUNCTION_TYPE_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5)	\
964   builtin_types[(int) ENUM]						\
965     = build_function_type_list (builtin_types[(int) RETURN],            \
966                                 builtin_types[(int) ARG1],              \
967                                 builtin_types[(int) ARG2],              \
968                                 builtin_types[(int) ARG3],		\
969                                 builtin_types[(int) ARG4],              \
970                                 builtin_types[(int) ARG5],              \
971                                 NULL_TREE);
972 #define DEF_FUNCTION_TYPE_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
973 			    ARG6)					\
974   builtin_types[(int) ENUM]						\
975     = build_function_type_list (builtin_types[(int) RETURN],            \
976                                 builtin_types[(int) ARG1],              \
977                                 builtin_types[(int) ARG2],              \
978                                 builtin_types[(int) ARG3],		\
979                                 builtin_types[(int) ARG4],		\
980                                 builtin_types[(int) ARG5],              \
981                                 builtin_types[(int) ARG6],              \
982                                 NULL_TREE);
983 #define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
984 			    ARG6, ARG7)					\
985   builtin_types[(int) ENUM]						\
986     = build_function_type_list (builtin_types[(int) RETURN],            \
987                                 builtin_types[(int) ARG1],              \
988                                 builtin_types[(int) ARG2],              \
989                                 builtin_types[(int) ARG3],		\
990                                 builtin_types[(int) ARG4],		\
991                                 builtin_types[(int) ARG5],              \
992                                 builtin_types[(int) ARG6],              \
993                                 builtin_types[(int) ARG7],              \
994                                 NULL_TREE);
995 #define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN)				\
996   builtin_types[(int) ENUM]						\
997     = build_varargs_function_type_list (builtin_types[(int) RETURN],    \
998                                         NULL_TREE);
999 #define DEF_POINTER_TYPE(ENUM, TYPE)			\
1000   builtin_types[(int) ENUM]				\
1001     = build_pointer_type (builtin_types[(int) TYPE]);
1002 #include "types.def"
1003 #undef DEF_PRIMITIVE_TYPE
1004 #undef DEF_FUNCTION_TYPE_1
1005 #undef DEF_FUNCTION_TYPE_2
1006 #undef DEF_FUNCTION_TYPE_3
1007 #undef DEF_FUNCTION_TYPE_4
1008 #undef DEF_FUNCTION_TYPE_5
1009 #undef DEF_FUNCTION_TYPE_6
1010 #undef DEF_FUNCTION_TYPE_VAR_0
1011 #undef DEF_POINTER_TYPE
1012   builtin_types[(int) BT_LAST] = NULL_TREE;
1013 
1014   /* Initialize synchronization builtins.  */
1015 #undef DEF_SYNC_BUILTIN
1016 #define DEF_SYNC_BUILTIN(code, name, type, attr) \
1017     gfc_define_builtin (name, builtin_types[type], code, name, \
1018 			attr);
1019 #include "../sync-builtins.def"
1020 #undef DEF_SYNC_BUILTIN
1021 
1022   if (gfc_option.gfc_flag_openmp || flag_tree_parallelize_loops)
1023     {
1024 #undef DEF_GOMP_BUILTIN
1025 #define DEF_GOMP_BUILTIN(code, name, type, attr) \
1026       gfc_define_builtin ("__builtin_" name, builtin_types[type], \
1027 			  code, name, attr);
1028 #include "../omp-builtins.def"
1029 #undef DEF_GOMP_BUILTIN
1030     }
1031 
1032   gfc_define_builtin ("__builtin_trap", builtin_types[BT_FN_VOID],
1033 		      BUILT_IN_TRAP, NULL, ATTR_NOTHROW_LEAF_LIST);
1034   TREE_THIS_VOLATILE (builtin_decl_explicit (BUILT_IN_TRAP)) = 1;
1035 
1036   gfc_define_builtin ("__emutls_get_address",
1037 		      builtin_types[BT_FN_PTR_PTR],
1038 		      BUILT_IN_EMUTLS_GET_ADDRESS,
1039 		      "__emutls_get_address", ATTR_CONST_NOTHROW_LEAF_LIST);
1040   gfc_define_builtin ("__emutls_register_common",
1041 		      builtin_types[BT_FN_VOID_PTR_WORD_WORD_PTR],
1042 		      BUILT_IN_EMUTLS_REGISTER_COMMON,
1043 		      "__emutls_register_common", ATTR_NOTHROW_LEAF_LIST);
1044 
1045   build_common_builtin_nodes ();
1046   targetm.init_builtins ();
1047 }
1048 
1049 #undef DEFINE_MATH_BUILTIN_C
1050 #undef DEFINE_MATH_BUILTIN
1051 
1052 static void
gfc_init_ts(void)1053 gfc_init_ts (void)
1054 {
1055   tree_contains_struct[NAMESPACE_DECL][TS_DECL_NON_COMMON] = 1;
1056   tree_contains_struct[NAMESPACE_DECL][TS_DECL_WITH_VIS] = 1;
1057   tree_contains_struct[NAMESPACE_DECL][TS_DECL_WRTL] = 1;
1058   tree_contains_struct[NAMESPACE_DECL][TS_DECL_COMMON] = 1;
1059   tree_contains_struct[NAMESPACE_DECL][TS_DECL_MINIMAL] = 1;
1060 }
1061 
1062 void
gfc_maybe_initialize_eh(void)1063 gfc_maybe_initialize_eh (void)
1064 {
1065   if (!flag_exceptions || gfc_eh_initialized_p)
1066     return;
1067 
1068   gfc_eh_initialized_p = true;
1069   using_eh_for_cleanups ();
1070 }
1071 
1072 
1073 #include "gt-fortran-f95-lang.h"
1074 #include "gtype-fortran.h"
1075