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 case SLJIT_HAS_ZERO_REGISTER:
455 return 1;
456
457 #if (defined SLJIT_CONFIG_SPARC_64 && SLJIT_CONFIG_SPARC_64)
458 case SLJIT_HAS_CMOV:
459 return 1;
460 #endif
461
462 default:
463 return 0;
464 }
465 }
466
467 /* --------------------------------------------------------------------- */
468 /* Entry, exit */
469 /* --------------------------------------------------------------------- */
470
471 /* Creates an index in data_transfer_insts array. */
472 #define LOAD_DATA 0x01
473 #define WORD_DATA 0x00
474 #define BYTE_DATA 0x02
475 #define HALF_DATA 0x04
476 #define INT_DATA 0x06
477 #define SIGNED_DATA 0x08
478 /* Separates integer and floating point registers */
479 #define GPR_REG 0x0f
480 #define DOUBLE_DATA 0x10
481 #define SINGLE_DATA 0x12
482
483 #define MEM_MASK 0x1f
484
485 #define ARG_TEST 0x00020
486 #define ALT_KEEP_CACHE 0x00040
487 #define CUMULATIVE_OP 0x00080
488 #define IMM_OP 0x00100
489 #define SRC2_IMM 0x00200
490
491 #define REG_DEST 0x00400
492 #define REG2_SOURCE 0x00800
493 #define SLOW_SRC1 0x01000
494 #define SLOW_SRC2 0x02000
495 #define SLOW_DEST 0x04000
496
497 /* SET_FLAGS (0x10 << 19) also belong here! */
498
499 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
500 #include "sljitNativeSPARC_32.c"
501 #else
502 #include "sljitNativeSPARC_64.c"
503 #endif
504
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)505 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
506 sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
507 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
508 {
509 CHECK_ERROR();
510 CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
511 set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
512
513 local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
514 compiler->local_size = local_size;
515
516 if (local_size <= SIMM_MAX) {
517 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
518 }
519 else {
520 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
521 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
522 }
523
524 /* Arguments are in their appropriate registers. */
525
526 return SLJIT_SUCCESS;
527 }
528
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)529 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
530 sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
531 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
532 {
533 CHECK_ERROR();
534 CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
535 set_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
536
537 compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
538 return SLJIT_SUCCESS;
539 }
540
sljit_emit_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)541 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
542 {
543 CHECK_ERROR();
544 CHECK(check_sljit_emit_return(compiler, op, src, srcw));
545
546 if (op != SLJIT_MOV || !FAST_IS_REG(src)) {
547 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
548 src = SLJIT_R0;
549 }
550
551 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
552 return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
553 }
554
555 /* --------------------------------------------------------------------- */
556 /* Operators */
557 /* --------------------------------------------------------------------- */
558
559 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
560 #define ARCH_32_64(a, b) a
561 #else
562 #define ARCH_32_64(a, b) b
563 #endif
564
565 static const sljit_ins data_transfer_insts[16 + 4] = {
566 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
567 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
568 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
569 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
570 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
571 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
572 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
573 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
574
575 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
576 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
577 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
578 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
579 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
580 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
581 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
582 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
583
584 /* d s */ OPC1(3) | OPC3(0x27),
585 /* d l */ OPC1(3) | OPC3(0x23),
586 /* s s */ OPC1(3) | OPC3(0x24),
587 /* s l */ OPC1(3) | OPC3(0x20),
588 };
589
590 #undef ARCH_32_64
591
592 /* 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)593 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
594 {
595 SLJIT_ASSERT(arg & SLJIT_MEM);
596
597 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
598 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
599 /* Works for both absoulte and relative addresses (immediate case). */
600 if (SLJIT_UNLIKELY(flags & ARG_TEST))
601 return 1;
602 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
603 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))
604 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
605 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
606 return -1;
607 }
608 return 0;
609 }
610
611 /* See getput_arg below.
612 Note: can_cache is called only for binary operators. Those
613 operators always uses word arguments without write back. */
can_cache(sljit_s32 arg,sljit_sw argw,sljit_s32 next_arg,sljit_sw next_argw)614 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
615 {
616 SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
617
618 /* Simple operation except for updates. */
619 if (arg & OFFS_REG_MASK) {
620 argw &= 0x3;
621 SLJIT_ASSERT(argw);
622 next_argw &= 0x3;
623 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
624 return 1;
625 return 0;
626 }
627
628 if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
629 return 1;
630 return 0;
631 }
632
633 /* 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)634 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)
635 {
636 sljit_s32 base, arg2, delay_slot;
637 sljit_ins dest;
638
639 SLJIT_ASSERT(arg & SLJIT_MEM);
640 if (!(next_arg & SLJIT_MEM)) {
641 next_arg = 0;
642 next_argw = 0;
643 }
644
645 base = arg & REG_MASK;
646 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
647 argw &= 0x3;
648
649 /* Using the cache. */
650 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
651 arg2 = TMP_REG3;
652 else {
653 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
654 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
655 compiler->cache_argw = argw;
656 arg2 = TMP_REG3;
657 }
658 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
659 arg2 = reg;
660 else /* It must be a mov operation, so tmp1 must be free to use. */
661 arg2 = TMP_REG1;
662 FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2)));
663 }
664 }
665 else {
666 /* Using the cache. */
667 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
668 if (argw != compiler->cache_argw) {
669 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
670 compiler->cache_argw = argw;
671 }
672 arg2 = TMP_REG3;
673 } else {
674 if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
675 compiler->cache_arg = SLJIT_MEM;
676 compiler->cache_argw = argw;
677 arg2 = TMP_REG3;
678 }
679 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
680 arg2 = reg;
681 else /* It must be a mov operation, so tmp1 must be free to use. */
682 arg2 = TMP_REG1;
683 FAIL_IF(load_immediate(compiler, arg2, argw));
684 }
685 }
686
687 dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg));
688 delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
689 if (!base)
690 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
691 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
692 }
693
emit_op_mem(struct sljit_compiler * compiler,sljit_s32 flags,sljit_s32 reg,sljit_s32 arg,sljit_sw argw)694 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
695 {
696 if (getput_arg_fast(compiler, flags, reg, arg, argw))
697 return compiler->error;
698 compiler->cache_arg = 0;
699 compiler->cache_argw = 0;
700 return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
701 }
702
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)703 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)
704 {
705 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
706 return compiler->error;
707 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
708 }
709
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)710 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
711 sljit_s32 dst, sljit_sw dstw,
712 sljit_s32 src1, sljit_sw src1w,
713 sljit_s32 src2, sljit_sw src2w)
714 {
715 /* arg1 goes to TMP_REG1 or src reg
716 arg2 goes to TMP_REG2, imm or src reg
717 TMP_REG3 can be used for caching
718 result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
719 sljit_s32 dst_r = TMP_REG2;
720 sljit_s32 src1_r;
721 sljit_sw src2_r = 0;
722 sljit_s32 sugg_src2_r = TMP_REG2;
723
724 if (!(flags & ALT_KEEP_CACHE)) {
725 compiler->cache_arg = 0;
726 compiler->cache_argw = 0;
727 }
728
729 if (dst != SLJIT_UNUSED) {
730 if (FAST_IS_REG(dst)) {
731 dst_r = dst;
732 flags |= REG_DEST;
733 if (op >= SLJIT_MOV && op <= SLJIT_MOV_P)
734 sugg_src2_r = dst_r;
735 }
736 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
737 flags |= SLOW_DEST;
738 }
739
740 if (flags & IMM_OP) {
741 if ((src2 & SLJIT_IMM) && src2w) {
742 if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
743 flags |= SRC2_IMM;
744 src2_r = src2w;
745 }
746 }
747 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
748 if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
749 flags |= SRC2_IMM;
750 src2_r = src1w;
751
752 /* And swap arguments. */
753 src1 = src2;
754 src1w = src2w;
755 src2 = SLJIT_IMM;
756 /* src2w = src2_r unneeded. */
757 }
758 }
759 }
760
761 /* Source 1. */
762 if (FAST_IS_REG(src1))
763 src1_r = src1;
764 else if (src1 & SLJIT_IMM) {
765 if (src1w) {
766 FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
767 src1_r = TMP_REG1;
768 }
769 else
770 src1_r = 0;
771 }
772 else {
773 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
774 FAIL_IF(compiler->error);
775 else
776 flags |= SLOW_SRC1;
777 src1_r = TMP_REG1;
778 }
779
780 /* Source 2. */
781 if (FAST_IS_REG(src2)) {
782 src2_r = src2;
783 flags |= REG2_SOURCE;
784 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOV_P)
785 dst_r = src2_r;
786 }
787 else if (src2 & SLJIT_IMM) {
788 if (!(flags & SRC2_IMM)) {
789 if (src2w) {
790 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
791 src2_r = sugg_src2_r;
792 }
793 else {
794 src2_r = 0;
795 if ((op >= SLJIT_MOV && op <= SLJIT_MOV_P) && (dst & SLJIT_MEM))
796 dst_r = 0;
797 }
798 }
799 }
800 else {
801 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
802 FAIL_IF(compiler->error);
803 else
804 flags |= SLOW_SRC2;
805 src2_r = sugg_src2_r;
806 }
807
808 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
809 SLJIT_ASSERT(src2_r == TMP_REG2);
810 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
811 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
812 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
813 }
814 else {
815 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
816 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
817 }
818 }
819 else if (flags & SLOW_SRC1)
820 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
821 else if (flags & SLOW_SRC2)
822 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
823
824 FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
825
826 if (dst & SLJIT_MEM) {
827 if (!(flags & SLOW_DEST)) {
828 getput_arg_fast(compiler, flags, dst_r, dst, dstw);
829 return compiler->error;
830 }
831 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
832 }
833
834 return SLJIT_SUCCESS;
835 }
836
sljit_emit_op0(struct sljit_compiler * compiler,sljit_s32 op)837 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
838 {
839 CHECK_ERROR();
840 CHECK(check_sljit_emit_op0(compiler, op));
841
842 op = GET_OPCODE(op);
843 switch (op) {
844 case SLJIT_BREAKPOINT:
845 return push_inst(compiler, TA, UNMOVABLE_INS);
846 case SLJIT_NOP:
847 return push_inst(compiler, NOP, UNMOVABLE_INS);
848 case SLJIT_LMUL_UW:
849 case SLJIT_LMUL_SW:
850 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
851 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
852 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
853 #else
854 #error "Implementation required"
855 #endif
856 case SLJIT_DIVMOD_UW:
857 case SLJIT_DIVMOD_SW:
858 case SLJIT_DIV_UW:
859 case SLJIT_DIV_SW:
860 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments);
861 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
862 if ((op | 0x2) == SLJIT_DIV_UW)
863 FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
864 else {
865 FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
866 FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
867 }
868 if (op <= SLJIT_DIVMOD_SW)
869 FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
870 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
871 if (op >= SLJIT_DIV_UW)
872 return SLJIT_SUCCESS;
873 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
874 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
875 #else
876 #error "Implementation required"
877 #endif
878 case SLJIT_ENDBR:
879 case SLJIT_SKIP_FRAMES_BEFORE_RETURN:
880 return SLJIT_SUCCESS;
881 }
882
883 return SLJIT_SUCCESS;
884 }
885
sljit_emit_op1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)886 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
887 sljit_s32 dst, sljit_sw dstw,
888 sljit_s32 src, sljit_sw srcw)
889 {
890 sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
891
892 CHECK_ERROR();
893 CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
894 ADJUST_LOCAL_OFFSET(dst, dstw);
895 ADJUST_LOCAL_OFFSET(src, srcw);
896
897 op = GET_OPCODE(op);
898 switch (op) {
899 case SLJIT_MOV:
900 case SLJIT_MOV_P:
901 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
902
903 case SLJIT_MOV_U32:
904 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
905
906 case SLJIT_MOV_S32:
907 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
908
909 case SLJIT_MOV_U8:
910 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
911
912 case SLJIT_MOV_S8:
913 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);
914
915 case SLJIT_MOV_U16:
916 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
917
918 case SLJIT_MOV_S16:
919 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);
920
921 case SLJIT_NOT:
922 case SLJIT_CLZ:
923 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
924
925 case SLJIT_NEG:
926 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
927 }
928
929 return SLJIT_SUCCESS;
930 }
931
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)932 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
933 sljit_s32 dst, sljit_sw dstw,
934 sljit_s32 src1, sljit_sw src1w,
935 sljit_s32 src2, sljit_sw src2w)
936 {
937 sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
938
939 CHECK_ERROR();
940 CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
941 ADJUST_LOCAL_OFFSET(dst, dstw);
942 ADJUST_LOCAL_OFFSET(src1, src1w);
943 ADJUST_LOCAL_OFFSET(src2, src2w);
944
945 if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
946 return SLJIT_SUCCESS;
947
948 op = GET_OPCODE(op);
949 switch (op) {
950 case SLJIT_ADD:
951 case SLJIT_ADDC:
952 case SLJIT_MUL:
953 case SLJIT_AND:
954 case SLJIT_OR:
955 case SLJIT_XOR:
956 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
957
958 case SLJIT_SUB:
959 case SLJIT_SUBC:
960 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
961
962 case SLJIT_SHL:
963 case SLJIT_LSHR:
964 case SLJIT_ASHR:
965 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
966 if (src2 & SLJIT_IMM)
967 src2w &= 0x1f;
968 #else
969 SLJIT_UNREACHABLE();
970 #endif
971 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
972 }
973
974 return SLJIT_SUCCESS;
975 }
976
sljit_emit_op_src(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)977 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op,
978 sljit_s32 src, sljit_sw srcw)
979 {
980 CHECK_ERROR();
981 CHECK(check_sljit_emit_op_src(compiler, op, src, srcw));
982 ADJUST_LOCAL_OFFSET(src, srcw);
983
984 switch (op) {
985 case SLJIT_FAST_RETURN:
986 if (FAST_IS_REG(src))
987 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
988 else
989 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
990
991 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
992 return push_inst(compiler, NOP, UNMOVABLE_INS);
993 case SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN:
994 case SLJIT_PREFETCH_L1:
995 case SLJIT_PREFETCH_L2:
996 case SLJIT_PREFETCH_L3:
997 case SLJIT_PREFETCH_ONCE:
998 return SLJIT_SUCCESS;
999 }
1000
1001 return SLJIT_SUCCESS;
1002 }
1003
sljit_get_register_index(sljit_s32 reg)1004 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
1005 {
1006 CHECK_REG_INDEX(check_sljit_get_register_index(reg));
1007 return reg_map[reg];
1008 }
1009
sljit_get_float_register_index(sljit_s32 reg)1010 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
1011 {
1012 CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
1013 return freg_map[reg];
1014 }
1015
sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_s32 size)1016 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
1017 void *instruction, sljit_s32 size)
1018 {
1019 CHECK_ERROR();
1020 CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
1021
1022 return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
1023 }
1024
1025 /* --------------------------------------------------------------------- */
1026 /* Floating point operators */
1027 /* --------------------------------------------------------------------- */
1028
1029 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7))
1030 #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double)
1031 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
1032
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)1033 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
1034 sljit_s32 dst, sljit_sw dstw,
1035 sljit_s32 src, sljit_sw srcw)
1036 {
1037 if (src & SLJIT_MEM) {
1038 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1039 src = TMP_FREG1;
1040 }
1041
1042 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | FD(TMP_FREG1) | FS2(src), MOVABLE_INS));
1043
1044 if (FAST_IS_REG(dst)) {
1045 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));
1046 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);
1047 }
1048
1049 /* Store the integer value from a VFP register. */
1050 return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
1051 }
1052
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)1053 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
1054 sljit_s32 dst, sljit_sw dstw,
1055 sljit_s32 src, sljit_sw srcw)
1056 {
1057 sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1058
1059 if (src & SLJIT_IMM) {
1060 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
1061 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
1062 srcw = (sljit_s32)srcw;
1063 #endif
1064 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
1065 src = TMP_REG1;
1066 srcw = 0;
1067 }
1068
1069 if (FAST_IS_REG(src)) {
1070 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));
1071 src = SLJIT_MEM1(SLJIT_SP);
1072 srcw = FLOAT_TMP_MEM_OFFSET;
1073 }
1074
1075 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1076 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | FD(dst_r) | FS2(TMP_FREG1), MOVABLE_INS));
1077
1078 if (dst & SLJIT_MEM)
1079 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
1080 return SLJIT_SUCCESS;
1081 }
1082
sljit_emit_fop1_cmp(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1083 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1084 sljit_s32 src1, sljit_sw src1w,
1085 sljit_s32 src2, sljit_sw src2w)
1086 {
1087 if (src1 & SLJIT_MEM) {
1088 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1089 src1 = TMP_FREG1;
1090 }
1091
1092 if (src2 & SLJIT_MEM) {
1093 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
1094 src2 = TMP_FREG2;
1095 }
1096
1097 return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | FS1(src1) | FS2(src2), FCC_IS_SET | MOVABLE_INS);
1098 }
1099
sljit_emit_fop1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1100 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1101 sljit_s32 dst, sljit_sw dstw,
1102 sljit_s32 src, sljit_sw srcw)
1103 {
1104 sljit_s32 dst_r;
1105
1106 CHECK_ERROR();
1107 compiler->cache_arg = 0;
1108 compiler->cache_argw = 0;
1109
1110 SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
1111 SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1112
1113 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1114 op ^= SLJIT_F32_OP;
1115
1116 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1117
1118 if (src & SLJIT_MEM) {
1119 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
1120 src = dst_r;
1121 }
1122
1123 switch (GET_OPCODE(op)) {
1124 case SLJIT_MOV_F64:
1125 if (src != dst_r) {
1126 if (dst_r != TMP_FREG1) {
1127 FAIL_IF(push_inst(compiler, FMOVS | FD(dst_r) | FS2(src), MOVABLE_INS));
1128 if (!(op & SLJIT_F32_OP))
1129 FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1130 }
1131 else
1132 dst_r = src;
1133 }
1134 break;
1135 case SLJIT_NEG_F64:
1136 FAIL_IF(push_inst(compiler, FNEGS | FD(dst_r) | FS2(src), MOVABLE_INS));
1137 if (dst_r != src && !(op & SLJIT_F32_OP))
1138 FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1139 break;
1140 case SLJIT_ABS_F64:
1141 FAIL_IF(push_inst(compiler, FABSS | FD(dst_r) | FS2(src), MOVABLE_INS));
1142 if (dst_r != src && !(op & SLJIT_F32_OP))
1143 FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1144 break;
1145 case SLJIT_CONV_F64_FROM_F32:
1146 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | FD(dst_r) | FS2(src), MOVABLE_INS));
1147 op ^= SLJIT_F32_OP;
1148 break;
1149 }
1150
1151 if (dst & SLJIT_MEM)
1152 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
1153 return SLJIT_SUCCESS;
1154 }
1155
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)1156 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1157 sljit_s32 dst, sljit_sw dstw,
1158 sljit_s32 src1, sljit_sw src1w,
1159 sljit_s32 src2, sljit_sw src2w)
1160 {
1161 sljit_s32 dst_r, flags = 0;
1162
1163 CHECK_ERROR();
1164 CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1165 ADJUST_LOCAL_OFFSET(dst, dstw);
1166 ADJUST_LOCAL_OFFSET(src1, src1w);
1167 ADJUST_LOCAL_OFFSET(src2, src2w);
1168
1169 compiler->cache_arg = 0;
1170 compiler->cache_argw = 0;
1171
1172 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2;
1173
1174 if (src1 & SLJIT_MEM) {
1175 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1176 FAIL_IF(compiler->error);
1177 src1 = TMP_FREG1;
1178 } else
1179 flags |= SLOW_SRC1;
1180 }
1181
1182 if (src2 & SLJIT_MEM) {
1183 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
1184 FAIL_IF(compiler->error);
1185 src2 = TMP_FREG2;
1186 } else
1187 flags |= SLOW_SRC2;
1188 }
1189
1190 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1191 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1192 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1193 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1194 }
1195 else {
1196 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1197 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1198 }
1199 }
1200 else if (flags & SLOW_SRC1)
1201 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1202 else if (flags & SLOW_SRC2)
1203 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1204
1205 if (flags & SLOW_SRC1)
1206 src1 = TMP_FREG1;
1207 if (flags & SLOW_SRC2)
1208 src2 = TMP_FREG2;
1209
1210 switch (GET_OPCODE(op)) {
1211 case SLJIT_ADD_F64:
1212 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1213 break;
1214
1215 case SLJIT_SUB_F64:
1216 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1217 break;
1218
1219 case SLJIT_MUL_F64:
1220 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1221 break;
1222
1223 case SLJIT_DIV_F64:
1224 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1225 break;
1226 }
1227
1228 if (dst_r == TMP_FREG2)
1229 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1230
1231 return SLJIT_SUCCESS;
1232 }
1233
1234 #undef FLOAT_DATA
1235 #undef SELECT_FOP
1236
1237 /* --------------------------------------------------------------------- */
1238 /* Other instructions */
1239 /* --------------------------------------------------------------------- */
1240
sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1241 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1242 {
1243 CHECK_ERROR();
1244 CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1245 ADJUST_LOCAL_OFFSET(dst, dstw);
1246
1247 if (FAST_IS_REG(dst))
1248 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), UNMOVABLE_INS);
1249
1250 /* Memory. */
1251 FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw));
1252 compiler->delay_slot = UNMOVABLE_INS;
1253 return SLJIT_SUCCESS;
1254 }
1255
1256 /* --------------------------------------------------------------------- */
1257 /* Conditional instructions */
1258 /* --------------------------------------------------------------------- */
1259
sljit_emit_label(struct sljit_compiler * compiler)1260 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1261 {
1262 struct sljit_label *label;
1263
1264 CHECK_ERROR_PTR();
1265 CHECK_PTR(check_sljit_emit_label(compiler));
1266
1267 if (compiler->last_label && compiler->last_label->size == compiler->size)
1268 return compiler->last_label;
1269
1270 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1271 PTR_FAIL_IF(!label);
1272 set_label(label, compiler);
1273 compiler->delay_slot = UNMOVABLE_INS;
1274 return label;
1275 }
1276
get_cc(sljit_s32 type)1277 static sljit_ins get_cc(sljit_s32 type)
1278 {
1279 switch (type) {
1280 case SLJIT_EQUAL:
1281 case SLJIT_MUL_NOT_OVERFLOW:
1282 case SLJIT_NOT_EQUAL_F64: /* Unordered. */
1283 return DA(0x1);
1284
1285 case SLJIT_NOT_EQUAL:
1286 case SLJIT_MUL_OVERFLOW:
1287 case SLJIT_EQUAL_F64:
1288 return DA(0x9);
1289
1290 case SLJIT_LESS:
1291 case SLJIT_GREATER_F64: /* Unordered. */
1292 return DA(0x5);
1293
1294 case SLJIT_GREATER_EQUAL:
1295 case SLJIT_LESS_EQUAL_F64:
1296 return DA(0xd);
1297
1298 case SLJIT_GREATER:
1299 case SLJIT_GREATER_EQUAL_F64: /* Unordered. */
1300 return DA(0xc);
1301
1302 case SLJIT_LESS_EQUAL:
1303 case SLJIT_LESS_F64:
1304 return DA(0x4);
1305
1306 case SLJIT_SIG_LESS:
1307 return DA(0x3);
1308
1309 case SLJIT_SIG_GREATER_EQUAL:
1310 return DA(0xb);
1311
1312 case SLJIT_SIG_GREATER:
1313 return DA(0xa);
1314
1315 case SLJIT_SIG_LESS_EQUAL:
1316 return DA(0x2);
1317
1318 case SLJIT_OVERFLOW:
1319 case SLJIT_UNORDERED_F64:
1320 return DA(0x7);
1321
1322 case SLJIT_NOT_OVERFLOW:
1323 case SLJIT_ORDERED_F64:
1324 return DA(0xf);
1325
1326 default:
1327 SLJIT_UNREACHABLE();
1328 return DA(0x8);
1329 }
1330 }
1331
sljit_emit_jump(struct sljit_compiler * compiler,sljit_s32 type)1332 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1333 {
1334 struct sljit_jump *jump;
1335
1336 CHECK_ERROR_PTR();
1337 CHECK_PTR(check_sljit_emit_jump(compiler, type));
1338
1339 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1340 PTR_FAIL_IF(!jump);
1341 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1342 type &= 0xff;
1343
1344 if (type < SLJIT_EQUAL_F64) {
1345 jump->flags |= IS_COND;
1346 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1347 jump->flags |= IS_MOVABLE;
1348 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1349 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1350 #else
1351 #error "Implementation required"
1352 #endif
1353 }
1354 else if (type < SLJIT_JUMP) {
1355 jump->flags |= IS_COND;
1356 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1357 jump->flags |= IS_MOVABLE;
1358 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1359 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1360 #else
1361 #error "Implementation required"
1362 #endif
1363 }
1364 else {
1365 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1366 jump->flags |= IS_MOVABLE;
1367 if (type >= SLJIT_FAST_CALL)
1368 jump->flags |= IS_CALL;
1369 }
1370
1371 PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1372 PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG1) | IMM(0), UNMOVABLE_INS));
1373 jump->addr = compiler->size;
1374 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1375
1376 return jump;
1377 }
1378
sljit_emit_call(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types)1379 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
1380 sljit_s32 arg_types)
1381 {
1382 CHECK_ERROR_PTR();
1383 CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types));
1384
1385 PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL));
1386
1387 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1388 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1389 compiler->skip_checks = 1;
1390 #endif
1391
1392 return sljit_emit_jump(compiler, type);
1393 }
1394
sljit_emit_ijump(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src,sljit_sw srcw)1395 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1396 {
1397 struct sljit_jump *jump = NULL;
1398 sljit_s32 src_r;
1399
1400 CHECK_ERROR();
1401 CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1402 ADJUST_LOCAL_OFFSET(src, srcw);
1403
1404 if (FAST_IS_REG(src))
1405 src_r = src;
1406 else if (src & SLJIT_IMM) {
1407 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1408 FAIL_IF(!jump);
1409 set_jump(jump, compiler, JUMP_ADDR);
1410 jump->u.target = srcw;
1411
1412 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1413 jump->flags |= IS_MOVABLE;
1414 if (type >= SLJIT_FAST_CALL)
1415 jump->flags |= IS_CALL;
1416
1417 FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1418 src_r = TMP_REG1;
1419 }
1420 else {
1421 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1422 src_r = TMP_REG1;
1423 }
1424
1425 FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1426 if (jump)
1427 jump->addr = compiler->size;
1428 return push_inst(compiler, NOP, UNMOVABLE_INS);
1429 }
1430
sljit_emit_icall(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types,sljit_s32 src,sljit_sw srcw)1431 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
1432 sljit_s32 arg_types,
1433 sljit_s32 src, sljit_sw srcw)
1434 {
1435 CHECK_ERROR();
1436 CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw));
1437
1438 if (src & SLJIT_MEM) {
1439 ADJUST_LOCAL_OFFSET(src, srcw);
1440 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1441 src = TMP_REG1;
1442 }
1443
1444 FAIL_IF(call_with_args(compiler, arg_types, &src));
1445
1446 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1447 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1448 compiler->skip_checks = 1;
1449 #endif
1450
1451 return sljit_emit_ijump(compiler, type, src, srcw);
1452 }
1453
sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 type)1454 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1455 sljit_s32 dst, sljit_sw dstw,
1456 sljit_s32 type)
1457 {
1458 sljit_s32 reg, flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1459
1460 CHECK_ERROR();
1461 CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type));
1462 ADJUST_LOCAL_OFFSET(dst, dstw);
1463
1464 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1465 op = GET_OPCODE(op);
1466 reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1467
1468 compiler->cache_arg = 0;
1469 compiler->cache_argw = 0;
1470
1471 if (op >= SLJIT_ADD && (dst & SLJIT_MEM))
1472 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, dst, dstw, dst, dstw));
1473
1474 type &= 0xff;
1475 if (type < SLJIT_EQUAL_F64)
1476 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
1477 else
1478 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
1479
1480 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1481 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1482
1483 if (op >= SLJIT_ADD) {
1484 flags |= CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE;
1485 if (dst & SLJIT_MEM)
1486 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
1487 return emit_op(compiler, op, flags, dst, 0, dst, 0, TMP_REG2, 0);
1488 }
1489
1490 if (!(dst & SLJIT_MEM))
1491 return SLJIT_SUCCESS;
1492
1493 return emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw);
1494 #else
1495 #error "Implementation required"
1496 #endif
1497 }
1498
sljit_emit_cmov(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 dst_reg,sljit_s32 src,sljit_sw srcw)1499 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
1500 sljit_s32 dst_reg,
1501 sljit_s32 src, sljit_sw srcw)
1502 {
1503 CHECK_ERROR();
1504 CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw));
1505
1506 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1507 return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);;
1508 #else
1509 #error "Implementation required"
1510 #endif
1511 }
1512
sljit_emit_const(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw init_value)1513 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1514 {
1515 struct sljit_const *const_;
1516 sljit_s32 dst_r;
1517
1518 CHECK_ERROR_PTR();
1519 CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
1520 ADJUST_LOCAL_OFFSET(dst, dstw);
1521
1522 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1523 PTR_FAIL_IF(!const_);
1524 set_const(const_, compiler);
1525
1526 dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
1527 PTR_FAIL_IF(emit_const(compiler, dst_r, init_value));
1528
1529 if (dst & SLJIT_MEM)
1530 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1531 return const_;
1532 }
1533
sljit_emit_put_label(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1534 SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1535 {
1536 struct sljit_put_label *put_label;
1537 sljit_s32 dst_r;
1538
1539 CHECK_ERROR_PTR();
1540 CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
1541 ADJUST_LOCAL_OFFSET(dst, dstw);
1542
1543 put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
1544 PTR_FAIL_IF(!put_label);
1545 set_put_label(put_label, compiler, 0);
1546
1547 dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
1548 PTR_FAIL_IF(emit_const(compiler, dst_r, 0));
1549
1550 if (dst & SLJIT_MEM)
1551 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1552 return put_label;
1553 }
1554
