1 /*
2 * Stack-less Just-In-Time compiler
3 *
4 * Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without modification, are
7 * permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this list of
10 * conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
13 * of conditions and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19 * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
21 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
sljit_get_platform_name(void)27 SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void)
28 {
29 return "SPARC" SLJIT_CPUINFO;
30 }
31
32 /* Length of an instruction word
33 Both for sparc-32 and sparc-64 */
34 typedef sljit_u32 sljit_ins;
35
36 #if (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL)
37
sparc_cache_flush(sljit_ins * from,sljit_ins * to)38 static void sparc_cache_flush(sljit_ins *from, sljit_ins *to)
39 {
40 #if defined(__SUNPRO_C) && __SUNPRO_C < 0x590
41 __asm (
42 /* if (from == to) return */
43 "cmp %i0, %i1\n"
44 "be .leave\n"
45 "nop\n"
46
47 /* loop until from >= to */
48 ".mainloop:\n"
49 "flush %i0\n"
50 "add %i0, 8, %i0\n"
51 "cmp %i0, %i1\n"
52 "bcs .mainloop\n"
53 "nop\n"
54
55 /* The comparison was done above. */
56 "bne .leave\n"
57 /* nop is not necessary here, since the
58 sub operation has no side effect. */
59 "sub %i0, 4, %i0\n"
60 "flush %i0\n"
61 ".leave:"
62 );
63 #else
64 if (SLJIT_UNLIKELY(from == to))
65 return;
66
67 do {
68 __asm__ volatile (
69 "flush %0\n"
70 : : "r"(from)
71 );
72 /* Operates at least on doubleword. */
73 from += 2;
74 } while (from < to);
75
76 if (from == to) {
77 /* Flush the last word. */
78 from --;
79 __asm__ volatile (
80 "flush %0\n"
81 : : "r"(from)
82 );
83 }
84 #endif
85 }
86
87 #endif /* (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) */
88
89 /* TMP_REG2 is not used by getput_arg */
90 #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2)
91 #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3)
92 #define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4)
93 /* This register is modified by calls, which affects the instruction
94 in the delay slot if it is used as a source register. */
95 #define TMP_LINK (SLJIT_NUMBER_OF_REGISTERS + 5)
96
97 #define TMP_FREG1 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1)
98 #define TMP_FREG2 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2)
99
100 static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = {
101 0, 8, 9, 10, 11, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 12, 13, 15
102 };
103
104 static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = {
105 0, 0, 2, 4, 6, 8, 10, 12, 14
106 };
107
108 /* --------------------------------------------------------------------- */
109 /* Instrucion forms */
110 /* --------------------------------------------------------------------- */
111
112 #define D(d) (reg_map[d] << 25)
113 #define FD(d) (freg_map[d] << 25)
114 #define FDN(d) ((freg_map[d] | 0x1) << 25)
115 #define DA(d) ((d) << 25)
116 #define S1(s1) (reg_map[s1] << 14)
117 #define FS1(s1) (freg_map[s1] << 14)
118 #define S1A(s1) ((s1) << 14)
119 #define S2(s2) (reg_map[s2])
120 #define FS2(s2) (freg_map[s2])
121 #define FS2N(s2) (freg_map[s2] | 0x1)
122 #define S2A(s2) (s2)
123 #define IMM_ARG 0x2000
124 #define DOP(op) ((op) << 5)
125 #define IMM(imm) (((imm) & 0x1fff) | IMM_ARG)
126
127 #define DR(dr) (reg_map[dr])
128 #define OPC1(opcode) ((opcode) << 30)
129 #define OPC2(opcode) ((opcode) << 22)
130 #define OPC3(opcode) ((opcode) << 19)
131 #define SET_FLAGS OPC3(0x10)
132
133 #define ADD (OPC1(0x2) | OPC3(0x00))
134 #define ADDC (OPC1(0x2) | OPC3(0x08))
135 #define AND (OPC1(0x2) | OPC3(0x01))
136 #define ANDN (OPC1(0x2) | OPC3(0x05))
137 #define CALL (OPC1(0x1))
138 #define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09))
139 #define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42))
140 #define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41))
141 #define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52))
142 #define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51))
143 #define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e))
144 #define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d))
145 #define FDTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd2))
146 #define FDTOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc6))
147 #define FITOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc8))
148 #define FITOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc4))
149 #define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01))
150 #define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a))
151 #define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49))
152 #define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05))
153 #define FSTOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc9))
154 #define FSTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd1))
155 #define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46))
156 #define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45))
157 #define JMPL (OPC1(0x2) | OPC3(0x38))
158 #define LDD (OPC1(0x3) | OPC3(0x03))
159 #define LDUW (OPC1(0x3) | OPC3(0x00))
160 #define NOP (OPC1(0x0) | OPC2(0x04))
161 #define OR (OPC1(0x2) | OPC3(0x02))
162 #define ORN (OPC1(0x2) | OPC3(0x06))
163 #define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0))
164 #define RESTORE (OPC1(0x2) | OPC3(0x3d))
165 #define SAVE (OPC1(0x2) | OPC3(0x3c))
166 #define SETHI (OPC1(0x0) | OPC2(0x04))
167 #define SLL (OPC1(0x2) | OPC3(0x25))
168 #define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12))
169 #define SRA (OPC1(0x2) | OPC3(0x27))
170 #define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12))
171 #define SRL (OPC1(0x2) | OPC3(0x26))
172 #define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12))
173 #define STDF (OPC1(0x3) | OPC3(0x27))
174 #define STF (OPC1(0x3) | OPC3(0x24))
175 #define STW (OPC1(0x3) | OPC3(0x04))
176 #define SUB (OPC1(0x2) | OPC3(0x04))
177 #define SUBC (OPC1(0x2) | OPC3(0x0c))
178 #define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25))
179 #define WRY (OPC1(0x2) | OPC3(0x30) | DA(0))
180 #define XOR (OPC1(0x2) | OPC3(0x03))
181 #define XNOR (OPC1(0x2) | OPC3(0x07))
182
183 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
184 #define MAX_DISP (0x1fffff)
185 #define MIN_DISP (-0x200000)
186 #define DISP_MASK (0x3fffff)
187
188 #define BICC (OPC1(0x0) | OPC2(0x2))
189 #define FBFCC (OPC1(0x0) | OPC2(0x6))
190 #define SLL_W SLL
191 #define SDIV (OPC1(0x2) | OPC3(0x0f))
192 #define SMUL (OPC1(0x2) | OPC3(0x0b))
193 #define UDIV (OPC1(0x2) | OPC3(0x0e))
194 #define UMUL (OPC1(0x2) | OPC3(0x0a))
195 #else
196 #define SLL_W SLLX
197 #endif
198
199 #define SIMM_MAX (0x0fff)
200 #define SIMM_MIN (-0x1000)
201
202 /* dest_reg is the absolute name of the register
203 Useful for reordering instructions in the delay slot. */
push_inst(struct sljit_compiler * compiler,sljit_ins ins,sljit_s32 delay_slot)204 static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot)
205 {
206 sljit_ins *ptr;
207 SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS
208 || (delay_slot & DST_INS_MASK) == MOVABLE_INS
209 || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f));
210 ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
211 FAIL_IF(!ptr);
212 *ptr = ins;
213 compiler->size++;
214 compiler->delay_slot = delay_slot;
215 return SLJIT_SUCCESS;
216 }
217
detect_jump_type(struct sljit_jump * jump,sljit_ins * code_ptr,sljit_ins * code,sljit_sw executable_offset)218 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset)
219 {
220 sljit_sw diff;
221 sljit_uw target_addr;
222 sljit_ins *inst;
223 sljit_ins saved_inst;
224
225 if (jump->flags & SLJIT_REWRITABLE_JUMP)
226 return code_ptr;
227
228 if (jump->flags & JUMP_ADDR)
229 target_addr = jump->u.target;
230 else {
231 SLJIT_ASSERT(jump->flags & JUMP_LABEL);
232 target_addr = (sljit_uw)(code + jump->u.label->size) + (sljit_uw)executable_offset;
233 }
234 inst = (sljit_ins*)jump->addr;
235
236 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
237 if (jump->flags & IS_CALL) {
238 /* Call is always patchable on sparc 32. */
239 jump->flags |= PATCH_CALL;
240 if (jump->flags & IS_MOVABLE) {
241 inst[0] = inst[-1];
242 inst[-1] = CALL;
243 jump->addr -= sizeof(sljit_ins);
244 return inst;
245 }
246 inst[0] = CALL;
247 inst[1] = NOP;
248 return inst + 1;
249 }
250 #else
251 /* Both calls and BPr instructions shall not pass this point. */
252 #error "Implementation required"
253 #endif
254
255 if (jump->flags & IS_COND)
256 inst--;
257
258 diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1) - executable_offset) >> 2;
259
260 if (jump->flags & IS_MOVABLE) {
261 if (diff <= MAX_DISP && diff >= MIN_DISP) {
262 jump->flags |= PATCH_B;
263 inst--;
264 if (jump->flags & IS_COND) {
265 saved_inst = inst[0];
266 inst[0] = inst[1] ^ (1 << 28);
267 inst[1] = saved_inst;
268 } else {
269 inst[1] = inst[0];
270 inst[0] = BICC | DA(0x8);
271 }
272 jump->addr = (sljit_uw)inst;
273 return inst + 1;
274 }
275 }
276
277 diff += sizeof(sljit_ins);
278
279 if (diff <= MAX_DISP && diff >= MIN_DISP) {
280 jump->flags |= PATCH_B;
281 if (jump->flags & IS_COND)
282 inst[0] ^= (1 << 28);
283 else
284 inst[0] = BICC | DA(0x8);
285 inst[1] = NOP;
286 jump->addr = (sljit_uw)inst;
287 return inst + 1;
288 }
289
290 return code_ptr;
291 }
292
sljit_generate_code(struct sljit_compiler * compiler)293 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
294 {
295 struct sljit_memory_fragment *buf;
296 sljit_ins *code;
297 sljit_ins *code_ptr;
298 sljit_ins *buf_ptr;
299 sljit_ins *buf_end;
300 sljit_uw word_count;
301 sljit_uw next_addr;
302 sljit_sw executable_offset;
303 sljit_uw addr;
304
305 struct sljit_label *label;
306 struct sljit_jump *jump;
307 struct sljit_const *const_;
308 struct sljit_put_label *put_label;
309
310 CHECK_ERROR_PTR();
311 CHECK_PTR(check_sljit_generate_code(compiler));
312 reverse_buf(compiler);
313
314 code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
315 PTR_FAIL_WITH_EXEC_IF(code);
316 buf = compiler->buf;
317
318 code_ptr = code;
319 word_count = 0;
320 next_addr = 0;
321 executable_offset = SLJIT_EXEC_OFFSET(code);
322
323 label = compiler->labels;
324 jump = compiler->jumps;
325 const_ = compiler->consts;
326 put_label = compiler->put_labels;
327
328 do {
329 buf_ptr = (sljit_ins*)buf->memory;
330 buf_end = buf_ptr + (buf->used_size >> 2);
331 do {
332 *code_ptr = *buf_ptr++;
333 if (next_addr == word_count) {
334 SLJIT_ASSERT(!label || label->size >= word_count);
335 SLJIT_ASSERT(!jump || jump->addr >= word_count);
336 SLJIT_ASSERT(!const_ || const_->addr >= word_count);
337 SLJIT_ASSERT(!put_label || put_label->addr >= word_count);
338
339 /* These structures are ordered by their address. */
340 if (label && label->size == word_count) {
341 /* Just recording the address. */
342 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
343 label->size = code_ptr - code;
344 label = label->next;
345 }
346 if (jump && jump->addr == word_count) {
347 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
348 jump->addr = (sljit_uw)(code_ptr - 3);
349 #else
350 jump->addr = (sljit_uw)(code_ptr - 6);
351 #endif
352 code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset);
353 jump = jump->next;
354 }
355 if (const_ && const_->addr == word_count) {
356 /* Just recording the address. */
357 const_->addr = (sljit_uw)code_ptr;
358 const_ = const_->next;
359 }
360 if (put_label && put_label->addr == word_count) {
361 SLJIT_ASSERT(put_label->label);
362 put_label->addr = (sljit_uw)code_ptr;
363 put_label = put_label->next;
364 }
365 next_addr = compute_next_addr(label, jump, const_, put_label);
366 }
367 code_ptr ++;
368 word_count ++;
369 } while (buf_ptr < buf_end);
370
371 buf = buf->next;
372 } while (buf);
373
374 if (label && label->size == word_count) {
375 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
376 label->size = code_ptr - code;
377 label = label->next;
378 }
379
380 SLJIT_ASSERT(!label);
381 SLJIT_ASSERT(!jump);
382 SLJIT_ASSERT(!const_);
383 SLJIT_ASSERT(!put_label);
384 SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size);
385
386 jump = compiler->jumps;
387 while (jump) {
388 do {
389 addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
390 buf_ptr = (sljit_ins *)jump->addr;
391
392 if (jump->flags & PATCH_CALL) {
393 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
394 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000);
395 buf_ptr[0] = CALL | (addr & 0x3fffffff);
396 break;
397 }
398 if (jump->flags & PATCH_B) {
399 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
400 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP);
401 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK);
402 break;
403 }
404
405 /* Set the fields of immediate loads. */
406 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
407 SLJIT_ASSERT(((buf_ptr[0] & 0xc1cfffff) == 0x01000000) && ((buf_ptr[1] & 0xc1f83fff) == 0x80102000));
408 buf_ptr[0] |= (addr >> 10) & 0x3fffff;
409 buf_ptr[1] |= addr & 0x3ff;
410 #else
411 #error "Implementation required"
412 #endif
413 } while (0);
414 jump = jump->next;
415 }
416
417 put_label = compiler->put_labels;
418 while (put_label) {
419 addr = put_label->label->addr;
420 buf_ptr = (sljit_ins *)put_label->addr;
421
422 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
423 SLJIT_ASSERT(((buf_ptr[0] & 0xc1cfffff) == 0x01000000) && ((buf_ptr[1] & 0xc1f83fff) == 0x80102000));
424 buf_ptr[0] |= (addr >> 10) & 0x3fffff;
425 buf_ptr[1] |= addr & 0x3ff;
426 #else
427 #error "Implementation required"
428 #endif
429 put_label = put_label->next;
430 }
431
432 compiler->error = SLJIT_ERR_COMPILED;
433 compiler->executable_offset = executable_offset;
434 compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
435
436 code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset);
437 code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
438
439 SLJIT_CACHE_FLUSH(code, code_ptr);
440 return code;
441 }
442
sljit_has_cpu_feature(sljit_s32 feature_type)443 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
444 {
445 switch (feature_type) {
446 case SLJIT_HAS_FPU:
447 #ifdef SLJIT_IS_FPU_AVAILABLE
448 return SLJIT_IS_FPU_AVAILABLE;
449 #else
450 /* Available by default. */
451 return 1;
452 #endif
453
454 #if (defined SLJIT_CONFIG_SPARC_64 && SLJIT_CONFIG_SPARC_64)
455 case SLJIT_HAS_CMOV:
456 return 1;
457 #endif
458
459 default:
460 return 0;
461 }
462 }
463
464 /* --------------------------------------------------------------------- */
465 /* Entry, exit */
466 /* --------------------------------------------------------------------- */
467
468 /* Creates an index in data_transfer_insts array. */
469 #define LOAD_DATA 0x01
470 #define WORD_DATA 0x00
471 #define BYTE_DATA 0x02
472 #define HALF_DATA 0x04
473 #define INT_DATA 0x06
474 #define SIGNED_DATA 0x08
475 /* Separates integer and floating point registers */
476 #define GPR_REG 0x0f
477 #define DOUBLE_DATA 0x10
478 #define SINGLE_DATA 0x12
479
480 #define MEM_MASK 0x1f
481
482 #define ARG_TEST 0x00020
483 #define ALT_KEEP_CACHE 0x00040
484 #define CUMULATIVE_OP 0x00080
485 #define IMM_OP 0x00100
486 #define SRC2_IMM 0x00200
487
488 #define REG_DEST 0x00400
489 #define REG2_SOURCE 0x00800
490 #define SLOW_SRC1 0x01000
491 #define SLOW_SRC2 0x02000
492 #define SLOW_DEST 0x04000
493
494 /* SET_FLAGS (0x10 << 19) also belong here! */
495
496 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
497 #include "sljitNativeSPARC_32.c"
498 #else
499 #include "sljitNativeSPARC_64.c"
500 #endif
501
sljit_emit_enter(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 arg_types,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)502 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
503 sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
504 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
505 {
506 CHECK_ERROR();
507 CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
508 set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
509
510 local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
511 compiler->local_size = local_size;
512
513 if (local_size <= SIMM_MAX) {
514 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
515 }
516 else {
517 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
518 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
519 }
520
521 /* Arguments are in their appropriate registers. */
522
523 return SLJIT_SUCCESS;
524 }
525
sljit_set_context(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 arg_types,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)526 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
527 sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
528 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
529 {
530 CHECK_ERROR();
531 CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
532 set_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
533
534 compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
535 return SLJIT_SUCCESS;
536 }
537
sljit_emit_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)538 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
539 {
540 CHECK_ERROR();
541 CHECK(check_sljit_emit_return(compiler, op, src, srcw));
542
543 if (op != SLJIT_MOV || !FAST_IS_REG(src)) {
544 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
545 src = SLJIT_R0;
546 }
547
548 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
549 return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
550 }
551
552 /* --------------------------------------------------------------------- */
553 /* Operators */
554 /* --------------------------------------------------------------------- */
555
556 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
557 #define ARCH_32_64(a, b) a
558 #else
559 #define ARCH_32_64(a, b) b
560 #endif
561
562 static const sljit_ins data_transfer_insts[16 + 4] = {
563 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
564 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
565 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
566 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
567 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
568 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
569 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
570 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
571
572 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
573 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
574 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
575 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
576 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
577 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
578 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
579 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
580
581 /* d s */ OPC1(3) | OPC3(0x27),
582 /* d l */ OPC1(3) | OPC3(0x23),
583 /* s s */ OPC1(3) | OPC3(0x24),
584 /* s l */ OPC1(3) | OPC3(0x20),
585 };
586
587 #undef ARCH_32_64
588
589 /* Can perform an operation using at most 1 instruction. */
getput_arg_fast(struct sljit_compiler * compiler,sljit_s32 flags,sljit_s32 reg,sljit_s32 arg,sljit_sw argw)590 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
591 {
592 SLJIT_ASSERT(arg & SLJIT_MEM);
593
594 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
595 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
596 /* Works for both absoulte and relative addresses (immediate case). */
597 if (SLJIT_UNLIKELY(flags & ARG_TEST))
598 return 1;
599 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
600 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))
601 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
602 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
603 return -1;
604 }
605 return 0;
606 }
607
608 /* See getput_arg below.
609 Note: can_cache is called only for binary operators. Those
610 operators always uses word arguments without write back. */
can_cache(sljit_s32 arg,sljit_sw argw,sljit_s32 next_arg,sljit_sw next_argw)611 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
612 {
613 SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
614
615 /* Simple operation except for updates. */
616 if (arg & OFFS_REG_MASK) {
617 argw &= 0x3;
618 SLJIT_ASSERT(argw);
619 next_argw &= 0x3;
620 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
621 return 1;
622 return 0;
623 }
624
625 if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
626 return 1;
627 return 0;
628 }
629
630 /* Emit the necessary instructions. See can_cache above. */
getput_arg(struct sljit_compiler * compiler,sljit_s32 flags,sljit_s32 reg,sljit_s32 arg,sljit_sw argw,sljit_s32 next_arg,sljit_sw next_argw)631 static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
632 {
633 sljit_s32 base, arg2, delay_slot;
634 sljit_ins dest;
635
636 SLJIT_ASSERT(arg & SLJIT_MEM);
637 if (!(next_arg & SLJIT_MEM)) {
638 next_arg = 0;
639 next_argw = 0;
640 }
641
642 base = arg & REG_MASK;
643 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
644 argw &= 0x3;
645
646 /* Using the cache. */
647 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
648 arg2 = TMP_REG3;
649 else {
650 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
651 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
652 compiler->cache_argw = argw;
653 arg2 = TMP_REG3;
654 }
655 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
656 arg2 = reg;
657 else /* It must be a mov operation, so tmp1 must be free to use. */
658 arg2 = TMP_REG1;
659 FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2)));
660 }
661 }
662 else {
663 /* Using the cache. */
664 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
665 if (argw != compiler->cache_argw) {
666 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
667 compiler->cache_argw = argw;
668 }
669 arg2 = TMP_REG3;
670 } else {
671 if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
672 compiler->cache_arg = SLJIT_MEM;
673 compiler->cache_argw = argw;
674 arg2 = TMP_REG3;
675 }
676 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
677 arg2 = reg;
678 else /* It must be a mov operation, so tmp1 must be free to use. */
679 arg2 = TMP_REG1;
680 FAIL_IF(load_immediate(compiler, arg2, argw));
681 }
682 }
683
684 dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg));
685 delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
686 if (!base)
687 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
688 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
689 }
690
emit_op_mem(struct sljit_compiler * compiler,sljit_s32 flags,sljit_s32 reg,sljit_s32 arg,sljit_sw argw)691 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
692 {
693 if (getput_arg_fast(compiler, flags, reg, arg, argw))
694 return compiler->error;
695 compiler->cache_arg = 0;
696 compiler->cache_argw = 0;
697 return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
698 }
699
emit_op_mem2(struct sljit_compiler * compiler,sljit_s32 flags,sljit_s32 reg,sljit_s32 arg1,sljit_sw arg1w,sljit_s32 arg2,sljit_sw arg2w)700 static SLJIT_INLINE sljit_s32 emit_op_mem2(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg1, sljit_sw arg1w, sljit_s32 arg2, sljit_sw arg2w)
701 {
702 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
703 return compiler->error;
704 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
705 }
706
emit_op(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 flags,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)707 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
708 sljit_s32 dst, sljit_sw dstw,
709 sljit_s32 src1, sljit_sw src1w,
710 sljit_s32 src2, sljit_sw src2w)
711 {
712 /* arg1 goes to TMP_REG1 or src reg
713 arg2 goes to TMP_REG2, imm or src reg
714 TMP_REG3 can be used for caching
715 result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
716 sljit_s32 dst_r = TMP_REG2;
717 sljit_s32 src1_r;
718 sljit_sw src2_r = 0;
719 sljit_s32 sugg_src2_r = TMP_REG2;
720
721 if (!(flags & ALT_KEEP_CACHE)) {
722 compiler->cache_arg = 0;
723 compiler->cache_argw = 0;
724 }
725
726 if (dst != SLJIT_UNUSED) {
727 if (FAST_IS_REG(dst)) {
728 dst_r = dst;
729 flags |= REG_DEST;
730 if (op >= SLJIT_MOV && op <= SLJIT_MOV_P)
731 sugg_src2_r = dst_r;
732 }
733 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
734 flags |= SLOW_DEST;
735 }
736
737 if (flags & IMM_OP) {
738 if ((src2 & SLJIT_IMM) && src2w) {
739 if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
740 flags |= SRC2_IMM;
741 src2_r = src2w;
742 }
743 }
744 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
745 if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
746 flags |= SRC2_IMM;
747 src2_r = src1w;
748
749 /* And swap arguments. */
750 src1 = src2;
751 src1w = src2w;
752 src2 = SLJIT_IMM;
753 /* src2w = src2_r unneeded. */
754 }
755 }
756 }
757
758 /* Source 1. */
759 if (FAST_IS_REG(src1))
760 src1_r = src1;
761 else if (src1 & SLJIT_IMM) {
762 if (src1w) {
763 FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
764 src1_r = TMP_REG1;
765 }
766 else
767 src1_r = 0;
768 }
769 else {
770 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
771 FAIL_IF(compiler->error);
772 else
773 flags |= SLOW_SRC1;
774 src1_r = TMP_REG1;
775 }
776
777 /* Source 2. */
778 if (FAST_IS_REG(src2)) {
779 src2_r = src2;
780 flags |= REG2_SOURCE;
781 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOV_P)
782 dst_r = src2_r;
783 }
784 else if (src2 & SLJIT_IMM) {
785 if (!(flags & SRC2_IMM)) {
786 if (src2w) {
787 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
788 src2_r = sugg_src2_r;
789 }
790 else {
791 src2_r = 0;
792 if ((op >= SLJIT_MOV && op <= SLJIT_MOV_P) && (dst & SLJIT_MEM))
793 dst_r = 0;
794 }
795 }
796 }
797 else {
798 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
799 FAIL_IF(compiler->error);
800 else
801 flags |= SLOW_SRC2;
802 src2_r = sugg_src2_r;
803 }
804
805 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
806 SLJIT_ASSERT(src2_r == TMP_REG2);
807 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
808 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
809 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
810 }
811 else {
812 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
813 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
814 }
815 }
816 else if (flags & SLOW_SRC1)
817 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
818 else if (flags & SLOW_SRC2)
819 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
820
821 FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
822
823 if (dst & SLJIT_MEM) {
824 if (!(flags & SLOW_DEST)) {
825 getput_arg_fast(compiler, flags, dst_r, dst, dstw);
826 return compiler->error;
827 }
828 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
829 }
830
831 return SLJIT_SUCCESS;
832 }
833
sljit_emit_op0(struct sljit_compiler * compiler,sljit_s32 op)834 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
835 {
836 CHECK_ERROR();
837 CHECK(check_sljit_emit_op0(compiler, op));
838
839 op = GET_OPCODE(op);
840 switch (op) {
841 case SLJIT_BREAKPOINT:
842 return push_inst(compiler, TA, UNMOVABLE_INS);
843 case SLJIT_NOP:
844 return push_inst(compiler, NOP, UNMOVABLE_INS);
845 case SLJIT_LMUL_UW:
846 case SLJIT_LMUL_SW:
847 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
848 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
849 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
850 #else
851 #error "Implementation required"
852 #endif
853 case SLJIT_DIVMOD_UW:
854 case SLJIT_DIVMOD_SW:
855 case SLJIT_DIV_UW:
856 case SLJIT_DIV_SW:
857 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments);
858 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
859 if ((op | 0x2) == SLJIT_DIV_UW)
860 FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
861 else {
862 FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
863 FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
864 }
865 if (op <= SLJIT_DIVMOD_SW)
866 FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
867 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
868 if (op >= SLJIT_DIV_UW)
869 return SLJIT_SUCCESS;
870 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
871 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
872 #else
873 #error "Implementation required"
874 #endif
875 }
876
877 return SLJIT_SUCCESS;
878 }
879
sljit_emit_op1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)880 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
881 sljit_s32 dst, sljit_sw dstw,
882 sljit_s32 src, sljit_sw srcw)
883 {
884 sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
885
886 CHECK_ERROR();
887 CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
888 ADJUST_LOCAL_OFFSET(dst, dstw);
889 ADJUST_LOCAL_OFFSET(src, srcw);
890
891 if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
892 return SLJIT_SUCCESS;
893
894 op = GET_OPCODE(op);
895 switch (op) {
896 case SLJIT_MOV:
897 case SLJIT_MOV_P:
898 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
899
900 case SLJIT_MOV_U32:
901 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
902
903 case SLJIT_MOV_S32:
904 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
905
906 case SLJIT_MOV_U8:
907 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
908
909 case SLJIT_MOV_S8:
910 return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw);
911
912 case SLJIT_MOV_U16:
913 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
914
915 case SLJIT_MOV_S16:
916 return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw);
917
918 case SLJIT_NOT:
919 case SLJIT_CLZ:
920 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
921
922 case SLJIT_NEG:
923 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
924 }
925
926 return SLJIT_SUCCESS;
927 }
928
sljit_emit_op2(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)929 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
930 sljit_s32 dst, sljit_sw dstw,
931 sljit_s32 src1, sljit_sw src1w,
932 sljit_s32 src2, sljit_sw src2w)
933 {
934 sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
935
936 CHECK_ERROR();
937 CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
938 ADJUST_LOCAL_OFFSET(dst, dstw);
939 ADJUST_LOCAL_OFFSET(src1, src1w);
940 ADJUST_LOCAL_OFFSET(src2, src2w);
941
942 if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
943 return SLJIT_SUCCESS;
944
945 op = GET_OPCODE(op);
946 switch (op) {
947 case SLJIT_ADD:
948 case SLJIT_ADDC:
949 case SLJIT_MUL:
950 case SLJIT_AND:
951 case SLJIT_OR:
952 case SLJIT_XOR:
953 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
954
955 case SLJIT_SUB:
956 case SLJIT_SUBC:
957 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
958
959 case SLJIT_SHL:
960 case SLJIT_LSHR:
961 case SLJIT_ASHR:
962 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
963 if (src2 & SLJIT_IMM)
964 src2w &= 0x1f;
965 #else
966 SLJIT_UNREACHABLE();
967 #endif
968 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
969 }
970
971 return SLJIT_SUCCESS;
972 }
973
sljit_get_register_index(sljit_s32 reg)974 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
975 {
976 CHECK_REG_INDEX(check_sljit_get_register_index(reg));
977 return reg_map[reg];
978 }
979
sljit_get_float_register_index(sljit_s32 reg)980 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
981 {
982 CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
983 return freg_map[reg];
984 }
985
sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_s32 size)986 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
987 void *instruction, sljit_s32 size)
988 {
989 CHECK_ERROR();
990 CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
991
992 return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
993 }
994
995 /* --------------------------------------------------------------------- */
996 /* Floating point operators */
997 /* --------------------------------------------------------------------- */
998
999 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7))
1000 #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double)
1001 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
1002
sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1003 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
1004 sljit_s32 dst, sljit_sw dstw,
1005 sljit_s32 src, sljit_sw srcw)
1006 {
1007 if (src & SLJIT_MEM) {
1008 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1009 src = TMP_FREG1;
1010 }
1011
1012 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | FD(TMP_FREG1) | FS2(src), MOVABLE_INS));
1013
1014 if (FAST_IS_REG(dst)) {
1015 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET));
1016 return emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET);
1017 }
1018
1019 /* Store the integer value from a VFP register. */
1020 return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
1021 }
1022
sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1023 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
1024 sljit_s32 dst, sljit_sw dstw,
1025 sljit_s32 src, sljit_sw srcw)
1026 {
1027 sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1028
1029 if (src & SLJIT_IMM) {
1030 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
1031 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
1032 srcw = (sljit_s32)srcw;
1033 #endif
1034 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
1035 src = TMP_REG1;
1036 srcw = 0;
1037 }
1038
1039 if (FAST_IS_REG(src)) {
1040 FAIL_IF(emit_op_mem2(compiler, WORD_DATA, src, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET));
1041 src = SLJIT_MEM1(SLJIT_SP);
1042 srcw = FLOAT_TMP_MEM_OFFSET;
1043 }
1044
1045 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1046 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | FD(dst_r) | FS2(TMP_FREG1), MOVABLE_INS));
1047
1048 if (dst & SLJIT_MEM)
1049 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
1050 return SLJIT_SUCCESS;
1051 }
1052
sljit_emit_fop1_cmp(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1053 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1054 sljit_s32 src1, sljit_sw src1w,
1055 sljit_s32 src2, sljit_sw src2w)
1056 {
1057 if (src1 & SLJIT_MEM) {
1058 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1059 src1 = TMP_FREG1;
1060 }
1061
1062 if (src2 & SLJIT_MEM) {
1063 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
1064 src2 = TMP_FREG2;
1065 }
1066
1067 return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | FS1(src1) | FS2(src2), FCC_IS_SET | MOVABLE_INS);
1068 }
1069
sljit_emit_fop1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1070 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1071 sljit_s32 dst, sljit_sw dstw,
1072 sljit_s32 src, sljit_sw srcw)
1073 {
1074 sljit_s32 dst_r;
1075
1076 CHECK_ERROR();
1077 compiler->cache_arg = 0;
1078 compiler->cache_argw = 0;
1079
1080 SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
1081 SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1082
1083 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1084 op ^= SLJIT_F32_OP;
1085
1086 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1087
1088 if (src & SLJIT_MEM) {
1089 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
1090 src = dst_r;
1091 }
1092
1093 switch (GET_OPCODE(op)) {
1094 case SLJIT_MOV_F64:
1095 if (src != dst_r) {
1096 if (dst_r != TMP_FREG1) {
1097 FAIL_IF(push_inst(compiler, FMOVS | FD(dst_r) | FS2(src), MOVABLE_INS));
1098 if (!(op & SLJIT_F32_OP))
1099 FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1100 }
1101 else
1102 dst_r = src;
1103 }
1104 break;
1105 case SLJIT_NEG_F64:
1106 FAIL_IF(push_inst(compiler, FNEGS | FD(dst_r) | FS2(src), MOVABLE_INS));
1107 if (dst_r != src && !(op & SLJIT_F32_OP))
1108 FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1109 break;
1110 case SLJIT_ABS_F64:
1111 FAIL_IF(push_inst(compiler, FABSS | FD(dst_r) | FS2(src), MOVABLE_INS));
1112 if (dst_r != src && !(op & SLJIT_F32_OP))
1113 FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1114 break;
1115 case SLJIT_CONV_F64_FROM_F32:
1116 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | FD(dst_r) | FS2(src), MOVABLE_INS));
1117 op ^= SLJIT_F32_OP;
1118 break;
1119 }
1120
1121 if (dst & SLJIT_MEM)
1122 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
1123 return SLJIT_SUCCESS;
1124 }
1125
sljit_emit_fop2(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1126 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1127 sljit_s32 dst, sljit_sw dstw,
1128 sljit_s32 src1, sljit_sw src1w,
1129 sljit_s32 src2, sljit_sw src2w)
1130 {
1131 sljit_s32 dst_r, flags = 0;
1132
1133 CHECK_ERROR();
1134 CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1135 ADJUST_LOCAL_OFFSET(dst, dstw);
1136 ADJUST_LOCAL_OFFSET(src1, src1w);
1137 ADJUST_LOCAL_OFFSET(src2, src2w);
1138
1139 compiler->cache_arg = 0;
1140 compiler->cache_argw = 0;
1141
1142 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2;
1143
1144 if (src1 & SLJIT_MEM) {
1145 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1146 FAIL_IF(compiler->error);
1147 src1 = TMP_FREG1;
1148 } else
1149 flags |= SLOW_SRC1;
1150 }
1151
1152 if (src2 & SLJIT_MEM) {
1153 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
1154 FAIL_IF(compiler->error);
1155 src2 = TMP_FREG2;
1156 } else
1157 flags |= SLOW_SRC2;
1158 }
1159
1160 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1161 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1162 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1163 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1164 }
1165 else {
1166 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1167 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1168 }
1169 }
1170 else if (flags & SLOW_SRC1)
1171 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1172 else if (flags & SLOW_SRC2)
1173 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1174
1175 if (flags & SLOW_SRC1)
1176 src1 = TMP_FREG1;
1177 if (flags & SLOW_SRC2)
1178 src2 = TMP_FREG2;
1179
1180 switch (GET_OPCODE(op)) {
1181 case SLJIT_ADD_F64:
1182 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1183 break;
1184
1185 case SLJIT_SUB_F64:
1186 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1187 break;
1188
1189 case SLJIT_MUL_F64:
1190 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1191 break;
1192
1193 case SLJIT_DIV_F64:
1194 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1195 break;
1196 }
1197
1198 if (dst_r == TMP_FREG2)
1199 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1200
1201 return SLJIT_SUCCESS;
1202 }
1203
1204 #undef FLOAT_DATA
1205 #undef SELECT_FOP
1206
1207 /* --------------------------------------------------------------------- */
1208 /* Other instructions */
1209 /* --------------------------------------------------------------------- */
1210
sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1211 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1212 {
1213 CHECK_ERROR();
1214 CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1215 ADJUST_LOCAL_OFFSET(dst, dstw);
1216
1217 if (FAST_IS_REG(dst))
1218 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst));
1219
1220 /* Memory. */
1221 return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw);
1222 }
1223
sljit_emit_fast_return(struct sljit_compiler * compiler,sljit_s32 src,sljit_sw srcw)1224 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
1225 {
1226 CHECK_ERROR();
1227 CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
1228 ADJUST_LOCAL_OFFSET(src, srcw);
1229
1230 if (FAST_IS_REG(src))
1231 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
1232 else
1233 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
1234
1235 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
1236 return push_inst(compiler, NOP, UNMOVABLE_INS);
1237 }
1238
1239 /* --------------------------------------------------------------------- */
1240 /* Conditional instructions */
1241 /* --------------------------------------------------------------------- */
1242
sljit_emit_label(struct sljit_compiler * compiler)1243 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1244 {
1245 struct sljit_label *label;
1246
1247 CHECK_ERROR_PTR();
1248 CHECK_PTR(check_sljit_emit_label(compiler));
1249
1250 if (compiler->last_label && compiler->last_label->size == compiler->size)
1251 return compiler->last_label;
1252
1253 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1254 PTR_FAIL_IF(!label);
1255 set_label(label, compiler);
1256 compiler->delay_slot = UNMOVABLE_INS;
1257 return label;
1258 }
1259
get_cc(sljit_s32 type)1260 static sljit_ins get_cc(sljit_s32 type)
1261 {
1262 switch (type) {
1263 case SLJIT_EQUAL:
1264 case SLJIT_MUL_NOT_OVERFLOW:
1265 case SLJIT_NOT_EQUAL_F64: /* Unordered. */
1266 return DA(0x1);
1267
1268 case SLJIT_NOT_EQUAL:
1269 case SLJIT_MUL_OVERFLOW:
1270 case SLJIT_EQUAL_F64:
1271 return DA(0x9);
1272
1273 case SLJIT_LESS:
1274 case SLJIT_GREATER_F64: /* Unordered. */
1275 return DA(0x5);
1276
1277 case SLJIT_GREATER_EQUAL:
1278 case SLJIT_LESS_EQUAL_F64:
1279 return DA(0xd);
1280
1281 case SLJIT_GREATER:
1282 case SLJIT_GREATER_EQUAL_F64: /* Unordered. */
1283 return DA(0xc);
1284
1285 case SLJIT_LESS_EQUAL:
1286 case SLJIT_LESS_F64:
1287 return DA(0x4);
1288
1289 case SLJIT_SIG_LESS:
1290 return DA(0x3);
1291
1292 case SLJIT_SIG_GREATER_EQUAL:
1293 return DA(0xb);
1294
1295 case SLJIT_SIG_GREATER:
1296 return DA(0xa);
1297
1298 case SLJIT_SIG_LESS_EQUAL:
1299 return DA(0x2);
1300
1301 case SLJIT_OVERFLOW:
1302 case SLJIT_UNORDERED_F64:
1303 return DA(0x7);
1304
1305 case SLJIT_NOT_OVERFLOW:
1306 case SLJIT_ORDERED_F64:
1307 return DA(0xf);
1308
1309 default:
1310 SLJIT_UNREACHABLE();
1311 return DA(0x8);
1312 }
1313 }
1314
sljit_emit_jump(struct sljit_compiler * compiler,sljit_s32 type)1315 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1316 {
1317 struct sljit_jump *jump;
1318
1319 CHECK_ERROR_PTR();
1320 CHECK_PTR(check_sljit_emit_jump(compiler, type));
1321
1322 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1323 PTR_FAIL_IF(!jump);
1324 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1325 type &= 0xff;
1326
1327 if (type < SLJIT_EQUAL_F64) {
1328 jump->flags |= IS_COND;
1329 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1330 jump->flags |= IS_MOVABLE;
1331 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1332 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1333 #else
1334 #error "Implementation required"
1335 #endif
1336 }
1337 else if (type < SLJIT_JUMP) {
1338 jump->flags |= IS_COND;
1339 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1340 jump->flags |= IS_MOVABLE;
1341 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1342 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1343 #else
1344 #error "Implementation required"
1345 #endif
1346 }
1347 else {
1348 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1349 jump->flags |= IS_MOVABLE;
1350 if (type >= SLJIT_FAST_CALL)
1351 jump->flags |= IS_CALL;
1352 }
1353
1354 PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1355 PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG1) | IMM(0), UNMOVABLE_INS));
1356 jump->addr = compiler->size;
1357 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1358
1359 return jump;
1360 }
1361
sljit_emit_call(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types)1362 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
1363 sljit_s32 arg_types)
1364 {
1365 CHECK_ERROR_PTR();
1366 CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types));
1367
1368 PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL));
1369
1370 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1371 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1372 compiler->skip_checks = 1;
1373 #endif
1374
1375 return sljit_emit_jump(compiler, type);
1376 }
1377
sljit_emit_ijump(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src,sljit_sw srcw)1378 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1379 {
1380 struct sljit_jump *jump = NULL;
1381 sljit_s32 src_r;
1382
1383 CHECK_ERROR();
1384 CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1385 ADJUST_LOCAL_OFFSET(src, srcw);
1386
1387 if (FAST_IS_REG(src))
1388 src_r = src;
1389 else if (src & SLJIT_IMM) {
1390 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1391 FAIL_IF(!jump);
1392 set_jump(jump, compiler, JUMP_ADDR);
1393 jump->u.target = srcw;
1394
1395 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1396 jump->flags |= IS_MOVABLE;
1397 if (type >= SLJIT_FAST_CALL)
1398 jump->flags |= IS_CALL;
1399
1400 FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1401 src_r = TMP_REG1;
1402 }
1403 else {
1404 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1405 src_r = TMP_REG1;
1406 }
1407
1408 FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1409 if (jump)
1410 jump->addr = compiler->size;
1411 return push_inst(compiler, NOP, UNMOVABLE_INS);
1412 }
1413
sljit_emit_icall(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types,sljit_s32 src,sljit_sw srcw)1414 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
1415 sljit_s32 arg_types,
1416 sljit_s32 src, sljit_sw srcw)
1417 {
1418 CHECK_ERROR();
1419 CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw));
1420
1421 if (src & SLJIT_MEM) {
1422 ADJUST_LOCAL_OFFSET(src, srcw);
1423 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1424 src = TMP_REG1;
1425 }
1426
1427 FAIL_IF(call_with_args(compiler, arg_types, &src));
1428
1429 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1430 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1431 compiler->skip_checks = 1;
1432 #endif
1433
1434 return sljit_emit_ijump(compiler, type, src, srcw);
1435 }
1436
sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 type)1437 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1438 sljit_s32 dst, sljit_sw dstw,
1439 sljit_s32 type)
1440 {
1441 sljit_s32 reg, flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1442
1443 CHECK_ERROR();
1444 CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type));
1445 ADJUST_LOCAL_OFFSET(dst, dstw);
1446
1447 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1448 op = GET_OPCODE(op);
1449 reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1450
1451 compiler->cache_arg = 0;
1452 compiler->cache_argw = 0;
1453
1454 if (op >= SLJIT_ADD && (dst & SLJIT_MEM))
1455 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, dst, dstw, dst, dstw));
1456
1457 type &= 0xff;
1458 if (type < SLJIT_EQUAL_F64)
1459 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
1460 else
1461 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
1462
1463 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1464 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1465
1466 if (op >= SLJIT_ADD) {
1467 flags |= CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE;
1468 if (dst & SLJIT_MEM)
1469 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
1470 return emit_op(compiler, op, flags, dst, 0, dst, 0, TMP_REG2, 0);
1471 }
1472
1473 if (!(dst & SLJIT_MEM))
1474 return SLJIT_SUCCESS;
1475
1476 return emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw);
1477 #else
1478 #error "Implementation required"
1479 #endif
1480 }
1481
sljit_emit_cmov(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 dst_reg,sljit_s32 src,sljit_sw srcw)1482 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
1483 sljit_s32 dst_reg,
1484 sljit_s32 src, sljit_sw srcw)
1485 {
1486 CHECK_ERROR();
1487 CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw));
1488
1489 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1490 return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);;
1491 #else
1492 #error "Implementation required"
1493 #endif
1494 }
1495
sljit_emit_const(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw init_value)1496 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1497 {
1498 struct sljit_const *const_;
1499 sljit_s32 dst_r;
1500
1501 CHECK_ERROR_PTR();
1502 CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
1503 ADJUST_LOCAL_OFFSET(dst, dstw);
1504
1505 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1506 PTR_FAIL_IF(!const_);
1507 set_const(const_, compiler);
1508
1509 dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
1510 PTR_FAIL_IF(emit_const(compiler, dst_r, init_value));
1511
1512 if (dst & SLJIT_MEM)
1513 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1514 return const_;
1515 }
1516
sljit_emit_put_label(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1517 SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1518 {
1519 struct sljit_put_label *put_label;
1520 sljit_s32 dst_r;
1521
1522 CHECK_ERROR_PTR();
1523 CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
1524 ADJUST_LOCAL_OFFSET(dst, dstw);
1525
1526 put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
1527 PTR_FAIL_IF(!put_label);
1528 set_put_label(put_label, compiler, 0);
1529
1530 dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
1531 PTR_FAIL_IF(emit_const(compiler, dst_r, 0));
1532
1533 if (dst & SLJIT_MEM)
1534 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1535 return put_label;
1536 }
1537