2 * Stack-less Just-In-Time compiler
4 * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
6 * Redistribution and use in source and binary forms, with or without modification, are
7 * permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright notice, this list of
10 * conditions and the following disclaimer.
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.
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.
27 SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name(void)
29 return "SPARC" SLJIT_CPUINFO;
32 /* Length of an instruction word
33 Both for sparc-32 and sparc-64 */
34 typedef sljit_ui sljit_ins;
36 static void sparc_cache_flush(sljit_ins *from, sljit_ins *to)
38 #if defined(__SUNPRO_C) && __SUNPRO_C < 0x590
40 /* if (from == to) return */
45 /* loop until from >= to */
53 /* The comparison was done above. */
55 /* nop is not necessary here, since the
56 sub operation has no side effect. */
62 if (SLJIT_UNLIKELY(from == to))
70 /* Operates at least on doubleword. */
75 /* Flush the last word. */
85 /* TMP_REG2 is not used by getput_arg */
86 #define TMP_REG1 (SLJIT_NO_REGISTERS + 1)
87 #define TMP_REG2 (SLJIT_NO_REGISTERS + 2)
88 #define TMP_REG3 (SLJIT_NO_REGISTERS + 3)
89 #define TMP_REG4 (SLJIT_NO_REGISTERS + 4)
90 #define TMP_LINK (SLJIT_NO_REGISTERS + 5)
93 #define TMP_FREG2 ((SLJIT_FLOAT_REG6 + 1) << 1)
95 static SLJIT_CONST sljit_ub reg_map[SLJIT_NO_REGISTERS + 7] = {
96 0, 8, 9, 10, 11, 12, 16, 17, 18, 19, 20, 14, 1, 24, 25, 26, 15
99 /* --------------------------------------------------------------------- */
100 /* Instrucion forms */
101 /* --------------------------------------------------------------------- */
103 #define D(d) (reg_map[d] << 25)
104 #define DA(d) ((d) << 25)
105 #define S1(s1) (reg_map[s1] << 14)
106 #define S2(s2) (reg_map[s2])
107 #define S1A(s1) ((s1) << 14)
109 #define IMM_ARG 0x2000
110 #define DOP(op) ((op) << 5)
111 #define IMM(imm) (((imm) & 0x1fff) | IMM_ARG)
113 #define DR(dr) (reg_map[dr])
114 #define OPC1(opcode) ((opcode) << 30)
115 #define OPC2(opcode) ((opcode) << 22)
116 #define OPC3(opcode) ((opcode) << 19)
117 #define SET_FLAGS OPC3(0x10)
119 #define ADD (OPC1(0x2) | OPC3(0x00))
120 #define ADDC (OPC1(0x2) | OPC3(0x08))
121 #define AND (OPC1(0x2) | OPC3(0x01))
122 #define ANDN (OPC1(0x2) | OPC3(0x05))
123 #define CALL (OPC1(0x1))
124 #define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09))
125 #define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42))
126 #define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41))
127 #define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52))
128 #define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51))
129 #define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e))
130 #define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d))
131 #define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01))
132 #define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a))
133 #define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49))
134 #define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05))
135 #define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46))
136 #define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45))
137 #define JMPL (OPC1(0x2) | OPC3(0x38))
138 #define NOP (OPC1(0x0) | OPC2(0x04))
139 #define OR (OPC1(0x2) | OPC3(0x02))
140 #define ORN (OPC1(0x2) | OPC3(0x06))
141 #define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0))
142 #define RESTORE (OPC1(0x2) | OPC3(0x3d))
143 #define SAVE (OPC1(0x2) | OPC3(0x3c))
144 #define SETHI (OPC1(0x0) | OPC2(0x04))
145 #define SLL (OPC1(0x2) | OPC3(0x25))
146 #define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12))
147 #define SRA (OPC1(0x2) | OPC3(0x27))
148 #define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12))
149 #define SRL (OPC1(0x2) | OPC3(0x26))
150 #define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12))
151 #define SUB (OPC1(0x2) | OPC3(0x04))
152 #define SUBC (OPC1(0x2) | OPC3(0x0c))
153 #define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25))
154 #define WRY (OPC1(0x2) | OPC3(0x30) | DA(0))
155 #define XOR (OPC1(0x2) | OPC3(0x03))
156 #define XNOR (OPC1(0x2) | OPC3(0x07))
158 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
159 #define MAX_DISP (0x1fffff)
160 #define MIN_DISP (-0x200000)
161 #define DISP_MASK (0x3fffff)
163 #define BICC (OPC1(0x0) | OPC2(0x2))
164 #define FBFCC (OPC1(0x0) | OPC2(0x6))
166 #define SDIV (OPC1(0x2) | OPC3(0x0f))
167 #define SMUL (OPC1(0x2) | OPC3(0x0b))
168 #define UDIV (OPC1(0x2) | OPC3(0x0e))
169 #define UMUL (OPC1(0x2) | OPC3(0x0a))
174 #define SIMM_MAX (0x0fff)
175 #define SIMM_MIN (-0x1000)
177 /* dest_reg is the absolute name of the register
178 Useful for reordering instructions in the delay slot. */
179 static sljit_si push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_si delay_slot)
182 SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS
183 || (delay_slot & DST_INS_MASK) == MOVABLE_INS
184 || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f));
185 ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
189 compiler->delay_slot = delay_slot;
190 return SLJIT_SUCCESS;
193 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code)
196 sljit_uw target_addr;
198 sljit_ins saved_inst;
200 if (jump->flags & SLJIT_REWRITABLE_JUMP)
203 if (jump->flags & JUMP_ADDR)
204 target_addr = jump->u.target;
206 SLJIT_ASSERT(jump->flags & JUMP_LABEL);
207 target_addr = (sljit_uw)(code + jump->u.label->size);
209 inst = (sljit_ins*)jump->addr;
211 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
212 if (jump->flags & IS_CALL) {
213 /* Call is always patchable on sparc 32. */
214 jump->flags |= PATCH_CALL;
215 if (jump->flags & IS_MOVABLE) {
218 jump->addr -= sizeof(sljit_ins);
226 /* Both calls and BPr instructions shall not pass this point. */
227 #error "Implementation required"
230 if (jump->flags & IS_COND)
233 if (jump->flags & IS_MOVABLE) {
234 diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1)) >> 2;
235 if (diff <= MAX_DISP && diff >= MIN_DISP) {
236 jump->flags |= PATCH_B;
238 if (jump->flags & IS_COND) {
239 saved_inst = inst[0];
240 inst[0] = inst[1] ^ (1 << 28);
241 inst[1] = saved_inst;
244 inst[0] = BICC | DA(0x8);
246 jump->addr = (sljit_uw)inst;
251 diff = ((sljit_sw)target_addr - (sljit_sw)(inst)) >> 2;
252 if (diff <= MAX_DISP && diff >= MIN_DISP) {
253 jump->flags |= PATCH_B;
254 if (jump->flags & IS_COND)
255 inst[0] ^= (1 << 28);
257 inst[0] = BICC | DA(0x8);
259 jump->addr = (sljit_uw)inst;
266 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
268 struct sljit_memory_fragment *buf;
276 struct sljit_label *label;
277 struct sljit_jump *jump;
278 struct sljit_const *const_;
281 check_sljit_generate_code(compiler);
282 reverse_buf(compiler);
284 code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
285 PTR_FAIL_WITH_EXEC_IF(code);
290 label = compiler->labels;
291 jump = compiler->jumps;
292 const_ = compiler->consts;
294 buf_ptr = (sljit_ins*)buf->memory;
295 buf_end = buf_ptr + (buf->used_size >> 2);
297 *code_ptr = *buf_ptr++;
298 SLJIT_ASSERT(!label || label->size >= word_count);
299 SLJIT_ASSERT(!jump || jump->addr >= word_count);
300 SLJIT_ASSERT(!const_ || const_->addr >= word_count);
301 /* These structures are ordered by their address. */
302 if (label && label->size == word_count) {
303 /* Just recording the address. */
304 label->addr = (sljit_uw)code_ptr;
305 label->size = code_ptr - code;
308 if (jump && jump->addr == word_count) {
309 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
310 jump->addr = (sljit_uw)(code_ptr - 3);
312 jump->addr = (sljit_uw)(code_ptr - 6);
314 code_ptr = detect_jump_type(jump, code_ptr, code);
317 if (const_ && const_->addr == word_count) {
318 /* Just recording the address. */
319 const_->addr = (sljit_uw)code_ptr;
320 const_ = const_->next;
324 } while (buf_ptr < buf_end);
329 if (label && label->size == word_count) {
330 label->addr = (sljit_uw)code_ptr;
331 label->size = code_ptr - code;
335 SLJIT_ASSERT(!label);
337 SLJIT_ASSERT(!const_);
338 SLJIT_ASSERT(code_ptr - code <= (sljit_si)compiler->size);
340 jump = compiler->jumps;
343 addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
344 buf_ptr = (sljit_ins*)jump->addr;
346 if (jump->flags & PATCH_CALL) {
347 addr = (sljit_sw)(addr - jump->addr) >> 2;
348 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000);
349 buf_ptr[0] = CALL | (addr & 0x3fffffff);
352 if (jump->flags & PATCH_B) {
353 addr = (sljit_sw)(addr - jump->addr) >> 2;
354 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP);
355 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK);
359 /* Set the fields of immediate loads. */
360 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
361 buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff);
362 buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff);
364 #error "Implementation required"
371 compiler->error = SLJIT_ERR_COMPILED;
372 compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
373 SLJIT_CACHE_FLUSH(code, code_ptr);
377 /* --------------------------------------------------------------------- */
379 /* --------------------------------------------------------------------- */
381 /* Creates an index in data_transfer_insts array. */
382 #define LOAD_DATA 0x01
383 #define WORD_DATA 0x00
384 #define BYTE_DATA 0x02
385 #define HALF_DATA 0x04
386 #define INT_DATA 0x06
387 #define SIGNED_DATA 0x08
388 /* Separates integer and floating point registers */
390 #define DOUBLE_DATA 0x10
392 #define MEM_MASK 0x1f
394 #define WRITE_BACK 0x00020
395 #define ARG_TEST 0x00040
396 #define ALT_KEEP_CACHE 0x00080
397 #define CUMULATIVE_OP 0x00100
398 #define IMM_OP 0x00200
399 #define SRC2_IMM 0x00400
401 #define REG_DEST 0x00800
402 #define REG2_SOURCE 0x01000
403 #define SLOW_SRC1 0x02000
404 #define SLOW_SRC2 0x04000
405 #define SLOW_DEST 0x08000
407 /* SET_FLAGS (0x10 << 19) also belong here! */
409 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
410 #include "sljitNativeSPARC_32.c"
412 #include "sljitNativeSPARC_64.c"
415 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
418 check_sljit_emit_enter(compiler, args, scratches, saveds, local_size);
420 compiler->scratches = scratches;
421 compiler->saveds = saveds;
422 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
423 compiler->logical_local_size = local_size;
426 local_size += 23 * sizeof(sljit_sw);
427 local_size = (local_size + 7) & ~0x7;
428 compiler->local_size = local_size;
430 if (local_size <= SIMM_MAX) {
431 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_LOCALS_REG) | S1(SLJIT_LOCALS_REG) | IMM(-local_size), UNMOVABLE_INS));
434 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
435 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_LOCALS_REG) | S1(SLJIT_LOCALS_REG) | S2(TMP_REG1), UNMOVABLE_INS));
439 FAIL_IF(push_inst(compiler, OR | D(SLJIT_SAVED_REG1) | S1(0) | S2A(24), DR(SLJIT_SAVED_REG1)));
441 FAIL_IF(push_inst(compiler, OR | D(SLJIT_SAVED_REG2) | S1(0) | S2A(25), DR(SLJIT_SAVED_REG2)));
443 FAIL_IF(push_inst(compiler, OR | D(SLJIT_SAVED_REG3) | S1(0) | S2A(26), DR(SLJIT_SAVED_REG3)));
445 return SLJIT_SUCCESS;
448 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_context(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
451 check_sljit_set_context(compiler, args, scratches, saveds, local_size);
453 compiler->scratches = scratches;
454 compiler->saveds = saveds;
455 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
456 compiler->logical_local_size = local_size;
459 local_size += 23 * sizeof(sljit_sw);
460 compiler->local_size = (local_size + 7) & ~0x7;
463 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
466 check_sljit_emit_return(compiler, op, src, srcw);
468 if (op != SLJIT_MOV || !FAST_IS_REG(src)) {
469 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
470 src = SLJIT_SCRATCH_REG1;
473 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
474 return push_inst(compiler, RESTORE | D(SLJIT_SCRATCH_REG1) | S1(src) | S2(0), UNMOVABLE_INS);
477 /* --------------------------------------------------------------------- */
479 /* --------------------------------------------------------------------- */
481 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
482 #define ARCH_32_64(a, b) a
484 #define ARCH_32_64(a, b) b
487 static SLJIT_CONST sljit_ins data_transfer_insts[16 + 4] = {
488 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
489 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
490 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
491 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
492 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
493 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
494 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
495 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
497 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
498 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
499 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
500 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
501 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
502 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
503 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
504 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
506 /* d s */ OPC1(3) | OPC3(0x27),
507 /* d l */ OPC1(3) | OPC3(0x23),
508 /* s s */ OPC1(3) | OPC3(0x24),
509 /* s l */ OPC1(3) | OPC3(0x20),
514 /* Can perform an operation using at most 1 instruction. */
515 static sljit_si getput_arg_fast(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw)
517 SLJIT_ASSERT(arg & SLJIT_MEM);
519 if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) {
520 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
521 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
522 /* Works for both absoulte and relative addresses (immediate case). */
523 if (SLJIT_UNLIKELY(flags & ARG_TEST))
525 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
526 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg))
527 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
528 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
535 /* See getput_arg below.
536 Note: can_cache is called only for binary operators. Those
537 operators always uses word arguments without write back. */
538 static sljit_si can_cache(sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw)
540 SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
542 /* Simple operation except for updates. */
543 if (arg & OFFS_REG_MASK) {
547 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
552 if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
557 /* Emit the necessary instructions. See can_cache above. */
558 static sljit_si getput_arg(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw)
560 sljit_si base, arg2, delay_slot;
563 SLJIT_ASSERT(arg & SLJIT_MEM);
564 if (!(next_arg & SLJIT_MEM)) {
569 base = arg & REG_MASK;
570 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
572 SLJIT_ASSERT(argw != 0);
574 /* Using the cache. */
575 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
578 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
579 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
580 compiler->cache_argw = argw;
583 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
585 else /* It must be a mov operation, so tmp1 must be free to use. */
587 FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2)));
591 /* Using the cache. */
592 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
593 if (argw != compiler->cache_argw) {
594 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
595 compiler->cache_argw = argw;
599 if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
600 compiler->cache_arg = SLJIT_MEM;
601 compiler->cache_argw = argw;
604 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
606 else /* It must be a mov operation, so tmp1 must be free to use. */
608 FAIL_IF(load_immediate(compiler, arg2, argw));
612 dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg));
613 delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
615 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
616 if (!(flags & WRITE_BACK))
617 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
618 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot));
619 return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base));
622 static SLJIT_INLINE sljit_si emit_op_mem(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw)
624 if (getput_arg_fast(compiler, flags, reg, arg, argw))
625 return compiler->error;
626 compiler->cache_arg = 0;
627 compiler->cache_argw = 0;
628 return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
631 static SLJIT_INLINE sljit_si emit_op_mem2(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg1, sljit_sw arg1w, sljit_si arg2, sljit_sw arg2w)
633 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
634 return compiler->error;
635 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
638 static sljit_si emit_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags,
639 sljit_si dst, sljit_sw dstw,
640 sljit_si src1, sljit_sw src1w,
641 sljit_si src2, sljit_sw src2w)
643 /* arg1 goes to TMP_REG1 or src reg
644 arg2 goes to TMP_REG2, imm or src reg
645 TMP_REG3 can be used for caching
646 result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
647 sljit_si dst_r = TMP_REG2;
650 sljit_si sugg_src2_r = TMP_REG2;
652 if (!(flags & ALT_KEEP_CACHE)) {
653 compiler->cache_arg = 0;
654 compiler->cache_argw = 0;
657 if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) {
658 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM))
659 return SLJIT_SUCCESS;
661 else if (FAST_IS_REG(dst)) {
664 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
667 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
670 if (flags & IMM_OP) {
671 if ((src2 & SLJIT_IMM) && src2w) {
672 if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
677 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
678 if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
682 /* And swap arguments. */
686 /* src2w = src2_r unneeded. */
692 if (FAST_IS_REG(src1))
694 else if (src1 & SLJIT_IMM) {
696 FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
703 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
704 FAIL_IF(compiler->error);
711 if (FAST_IS_REG(src2)) {
713 flags |= REG2_SOURCE;
714 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
717 else if (src2 & SLJIT_IMM) {
718 if (!(flags & SRC2_IMM)) {
720 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
721 src2_r = sugg_src2_r;
725 if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) && (dst & SLJIT_MEM))
731 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
732 FAIL_IF(compiler->error);
735 src2_r = sugg_src2_r;
738 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
739 SLJIT_ASSERT(src2_r == TMP_REG2);
740 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
741 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
742 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
745 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
746 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
749 else if (flags & SLOW_SRC1)
750 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
751 else if (flags & SLOW_SRC2)
752 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
754 FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
756 if (dst & SLJIT_MEM) {
757 if (!(flags & SLOW_DEST)) {
758 getput_arg_fast(compiler, flags, dst_r, dst, dstw);
759 return compiler->error;
761 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
764 return SLJIT_SUCCESS;
767 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op)
770 check_sljit_emit_op0(compiler, op);
774 case SLJIT_BREAKPOINT:
775 return push_inst(compiler, TA, UNMOVABLE_INS);
777 return push_inst(compiler, NOP, UNMOVABLE_INS);
780 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
781 FAIL_IF(push_inst(compiler, (op == SLJIT_UMUL ? UMUL : SMUL) | D(SLJIT_SCRATCH_REG1) | S1(SLJIT_SCRATCH_REG1) | S2(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG1)));
782 return push_inst(compiler, RDY | D(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG2));
784 #error "Implementation required"
788 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
789 if (op == SLJIT_UDIV)
790 FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
792 FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_SCRATCH_REG1) | IMM(31), DR(TMP_REG1)));
793 FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
795 FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_SCRATCH_REG1), DR(TMP_REG2)));
796 FAIL_IF(push_inst(compiler, (op == SLJIT_UDIV ? UDIV : SDIV) | D(SLJIT_SCRATCH_REG1) | S1(SLJIT_SCRATCH_REG1) | S2(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG1)));
797 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_SCRATCH_REG2) | S1(SLJIT_SCRATCH_REG1) | S2(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG2)));
798 FAIL_IF(push_inst(compiler, SUB | D(SLJIT_SCRATCH_REG2) | S1(TMP_REG2) | S2(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG2)));
799 return SLJIT_SUCCESS;
801 #error "Implementation required"
805 return SLJIT_SUCCESS;
808 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op,
809 sljit_si dst, sljit_sw dstw,
810 sljit_si src, sljit_sw srcw)
812 sljit_si flags = GET_FLAGS(op) ? SET_FLAGS : 0;
815 check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw);
816 ADJUST_LOCAL_OFFSET(dst, dstw);
817 ADJUST_LOCAL_OFFSET(src, srcw);
823 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
826 return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
829 return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
832 return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);
835 return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sb)srcw : srcw);
838 return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);
841 return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sh)srcw : srcw);
845 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
848 return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
851 return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
854 return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);
857 return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sb)srcw : srcw);
860 return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);
863 return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sh)srcw : srcw);
867 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
870 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
873 return SLJIT_SUCCESS;
876 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op,
877 sljit_si dst, sljit_sw dstw,
878 sljit_si src1, sljit_sw src1w,
879 sljit_si src2, sljit_sw src2w)
881 sljit_si flags = GET_FLAGS(op) ? SET_FLAGS : 0;
884 check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
885 ADJUST_LOCAL_OFFSET(dst, dstw);
886 ADJUST_LOCAL_OFFSET(src1, src1w);
887 ADJUST_LOCAL_OFFSET(src2, src2w);
897 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
901 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
906 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
907 if (src2 & SLJIT_IMM)
912 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
915 return SLJIT_SUCCESS;
918 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg)
920 check_sljit_get_register_index(reg);
924 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_float_register_index(sljit_si reg)
926 check_sljit_get_float_register_index(reg);
930 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler,
931 void *instruction, sljit_si size)
934 check_sljit_emit_op_custom(compiler, instruction, size);
935 SLJIT_ASSERT(size == 4);
937 return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
940 /* --------------------------------------------------------------------- */
941 /* Floating point operators */
942 /* --------------------------------------------------------------------- */
944 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_is_fpu_available(void)
946 #ifdef SLJIT_IS_FPU_AVAILABLE
947 return SLJIT_IS_FPU_AVAILABLE;
949 /* Available by default. */
954 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_SINGLE_OP) >> 7))
955 #define SELECT_FOP(op, single, double) ((op & SLJIT_SINGLE_OP) ? single : double)
957 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op,
958 sljit_si dst, sljit_sw dstw,
959 sljit_si src, sljit_sw srcw)
964 check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw);
965 SLJIT_COMPILE_ASSERT((SLJIT_SINGLE_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
967 compiler->cache_arg = 0;
968 compiler->cache_argw = 0;
970 if (GET_OPCODE(op) == SLJIT_CMPD) {
971 if (dst & SLJIT_MEM) {
972 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, dst, dstw, src, srcw));
978 if (src & SLJIT_MEM) {
979 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src, srcw, 0, 0));
985 return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(dst) | S2A(src), FCC_IS_SET | MOVABLE_INS);
988 dst_fr = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1;
990 if (src & SLJIT_MEM) {
991 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_fr, src, srcw, dst, dstw));
997 switch (GET_OPCODE(op)) {
999 if (src != dst_fr && dst_fr != TMP_FREG1) {
1000 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_fr) | S2A(src), MOVABLE_INS));
1001 if (!(op & SLJIT_SINGLE_OP))
1002 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_fr | 1) | S2A(src | 1), MOVABLE_INS));
1006 FAIL_IF(push_inst(compiler, FNEGS | DA(dst_fr) | S2A(src), MOVABLE_INS));
1007 if (dst_fr != src && !(op & SLJIT_SINGLE_OP))
1008 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_fr | 1) | S2A(src | 1), MOVABLE_INS));
1011 FAIL_IF(push_inst(compiler, FABSS | DA(dst_fr) | S2A(src), MOVABLE_INS));
1012 if (dst_fr != src && !(op & SLJIT_SINGLE_OP))
1013 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_fr | 1) | S2A(src | 1), MOVABLE_INS));
1017 if (dst_fr == TMP_FREG1) {
1018 if (GET_OPCODE(op) == SLJIT_MOVD)
1020 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_fr, dst, dstw, 0, 0));
1023 return SLJIT_SUCCESS;
1026 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op,
1027 sljit_si dst, sljit_sw dstw,
1028 sljit_si src1, sljit_sw src1w,
1029 sljit_si src2, sljit_sw src2w)
1031 sljit_si dst_fr, flags = 0;
1034 check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
1036 compiler->cache_arg = 0;
1037 compiler->cache_argw = 0;
1039 dst_fr = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2;
1041 if (src1 & SLJIT_MEM) {
1042 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1043 FAIL_IF(compiler->error);
1051 if (src2 & SLJIT_MEM) {
1052 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
1053 FAIL_IF(compiler->error);
1061 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1062 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1063 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1064 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1067 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1068 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1071 else if (flags & SLOW_SRC1)
1072 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1073 else if (flags & SLOW_SRC2)
1074 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1076 if (flags & SLOW_SRC1)
1078 if (flags & SLOW_SRC2)
1081 switch (GET_OPCODE(op)) {
1083 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_fr) | S1A(src1) | S2A(src2), MOVABLE_INS));
1087 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_fr) | S1A(src1) | S2A(src2), MOVABLE_INS));
1091 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_fr) | S1A(src1) | S2A(src2), MOVABLE_INS));
1095 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_fr) | S1A(src1) | S2A(src2), MOVABLE_INS));
1099 if (dst_fr == TMP_FREG2)
1100 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1102 return SLJIT_SUCCESS;
1108 /* --------------------------------------------------------------------- */
1109 /* Other instructions */
1110 /* --------------------------------------------------------------------- */
1112 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw)
1115 check_sljit_emit_fast_enter(compiler, dst, dstw);
1116 ADJUST_LOCAL_OFFSET(dst, dstw);
1118 /* For UNUSED dst. Uncommon, but possible. */
1119 if (dst == SLJIT_UNUSED)
1120 return SLJIT_SUCCESS;
1122 if (FAST_IS_REG(dst))
1123 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst));
1126 return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw);
1129 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw)
1132 check_sljit_emit_fast_return(compiler, src, srcw);
1133 ADJUST_LOCAL_OFFSET(src, srcw);
1135 if (FAST_IS_REG(src))
1136 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
1137 else if (src & SLJIT_MEM)
1138 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
1139 else if (src & SLJIT_IMM)
1140 FAIL_IF(load_immediate(compiler, TMP_LINK, srcw));
1142 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
1143 return push_inst(compiler, NOP, UNMOVABLE_INS);
1146 /* --------------------------------------------------------------------- */
1147 /* Conditional instructions */
1148 /* --------------------------------------------------------------------- */
1150 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1152 struct sljit_label *label;
1155 check_sljit_emit_label(compiler);
1157 if (compiler->last_label && compiler->last_label->size == compiler->size)
1158 return compiler->last_label;
1160 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1161 PTR_FAIL_IF(!label);
1162 set_label(label, compiler);
1163 compiler->delay_slot = UNMOVABLE_INS;
1167 static sljit_ins get_cc(sljit_si type)
1171 case SLJIT_C_MUL_NOT_OVERFLOW:
1174 case SLJIT_C_NOT_EQUAL:
1175 case SLJIT_C_MUL_OVERFLOW:
1181 case SLJIT_C_GREATER_EQUAL:
1184 case SLJIT_C_GREATER:
1187 case SLJIT_C_LESS_EQUAL:
1190 case SLJIT_C_SIG_LESS:
1193 case SLJIT_C_SIG_GREATER_EQUAL:
1196 case SLJIT_C_SIG_GREATER:
1199 case SLJIT_C_SIG_LESS_EQUAL:
1202 case SLJIT_C_OVERFLOW:
1205 case SLJIT_C_NOT_OVERFLOW:
1208 case SLJIT_C_FLOAT_EQUAL:
1211 case SLJIT_C_FLOAT_NOT_EQUAL: /* Unordered. */
1214 case SLJIT_C_FLOAT_LESS:
1217 case SLJIT_C_FLOAT_GREATER_EQUAL: /* Unordered. */
1220 case SLJIT_C_FLOAT_LESS_EQUAL:
1223 case SLJIT_C_FLOAT_GREATER: /* Unordered. */
1226 case SLJIT_C_FLOAT_UNORDERED:
1229 case SLJIT_C_FLOAT_ORDERED:
1233 SLJIT_ASSERT_STOP();
1238 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type)
1240 struct sljit_jump *jump;
1243 check_sljit_emit_jump(compiler, type);
1245 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1247 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1250 if (type < SLJIT_C_FLOAT_EQUAL) {
1251 jump->flags |= IS_COND;
1252 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1253 jump->flags |= IS_MOVABLE;
1254 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1255 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1257 #error "Implementation required"
1260 else if (type < SLJIT_JUMP) {
1261 jump->flags |= IS_COND;
1262 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1263 jump->flags |= IS_MOVABLE;
1264 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1265 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1267 #error "Implementation required"
1270 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1271 jump->flags |= IS_MOVABLE;
1272 if (type >= SLJIT_FAST_CALL)
1273 jump->flags |= IS_CALL;
1276 PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0));
1277 PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS));
1278 jump->addr = compiler->size;
1279 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1284 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw)
1286 struct sljit_jump *jump = NULL;
1290 check_sljit_emit_ijump(compiler, type, src, srcw);
1291 ADJUST_LOCAL_OFFSET(src, srcw);
1293 if (FAST_IS_REG(src))
1295 else if (src & SLJIT_IMM) {
1296 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1298 set_jump(jump, compiler, JUMP_ADDR);
1299 jump->u.target = srcw;
1300 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1301 jump->flags |= IS_MOVABLE;
1302 if (type >= SLJIT_FAST_CALL)
1303 jump->flags |= IS_CALL;
1305 FAIL_IF(emit_const(compiler, TMP_REG2, 0));
1309 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw));
1313 FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1315 jump->addr = compiler->size;
1316 return push_inst(compiler, NOP, UNMOVABLE_INS);
1319 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op,
1320 sljit_si dst, sljit_sw dstw,
1321 sljit_si src, sljit_sw srcw,
1324 sljit_si reg, flags = (GET_FLAGS(op) ? SET_FLAGS : 0);
1327 check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type);
1328 ADJUST_LOCAL_OFFSET(dst, dstw);
1330 if (dst == SLJIT_UNUSED)
1331 return SLJIT_SUCCESS;
1333 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1334 op = GET_OPCODE(op);
1335 reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1337 compiler->cache_arg = 0;
1338 compiler->cache_argw = 0;
1339 if (op >= SLJIT_ADD && (src & SLJIT_MEM)) {
1340 ADJUST_LOCAL_OFFSET(src, srcw);
1341 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw));
1346 if (type < SLJIT_C_FLOAT_EQUAL)
1347 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
1349 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
1351 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1352 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1354 if (op >= SLJIT_ADD)
1355 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0);
1357 return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS;
1359 #error "Implementation required"
1363 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw init_value)
1366 struct sljit_const *const_;
1369 check_sljit_emit_const(compiler, dst, dstw, init_value);
1370 ADJUST_LOCAL_OFFSET(dst, dstw);
1372 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1373 PTR_FAIL_IF(!const_);
1374 set_const(const_, compiler);
1376 reg = SLOW_IS_REG(dst) ? dst : TMP_REG2;
1378 PTR_FAIL_IF(emit_const(compiler, reg, init_value));
1380 if (dst & SLJIT_MEM)
1381 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));