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_NUMBER_OF_REGISTERS + 2)
87 #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3)
88 #define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4)
89 #define TMP_LINK (SLJIT_NUMBER_OF_REGISTERS + 5)
92 #define TMP_FREG2 ((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) << 1)
94 static SLJIT_CONST sljit_ub reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = {
95 0, 8, 9, 10, 13, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 11, 12, 15
98 /* --------------------------------------------------------------------- */
99 /* Instrucion forms */
100 /* --------------------------------------------------------------------- */
102 #define D(d) (reg_map[d] << 25)
103 #define DA(d) ((d) << 25)
104 #define S1(s1) (reg_map[s1] << 14)
105 #define S2(s2) (reg_map[s2])
106 #define S1A(s1) ((s1) << 14)
108 #define IMM_ARG 0x2000
109 #define DOP(op) ((op) << 5)
110 #define IMM(imm) (((imm) & 0x1fff) | IMM_ARG)
112 #define DR(dr) (reg_map[dr])
113 #define OPC1(opcode) ((opcode) << 30)
114 #define OPC2(opcode) ((opcode) << 22)
115 #define OPC3(opcode) ((opcode) << 19)
116 #define SET_FLAGS OPC3(0x10)
118 #define ADD (OPC1(0x2) | OPC3(0x00))
119 #define ADDC (OPC1(0x2) | OPC3(0x08))
120 #define AND (OPC1(0x2) | OPC3(0x01))
121 #define ANDN (OPC1(0x2) | OPC3(0x05))
122 #define CALL (OPC1(0x1))
123 #define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09))
124 #define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42))
125 #define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41))
126 #define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52))
127 #define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51))
128 #define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e))
129 #define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d))
130 #define FDTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd2))
131 #define FDTOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc6))
132 #define FITOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc8))
133 #define FITOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc4))
134 #define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01))
135 #define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a))
136 #define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49))
137 #define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05))
138 #define FSTOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc9))
139 #define FSTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd1))
140 #define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46))
141 #define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45))
142 #define JMPL (OPC1(0x2) | OPC3(0x38))
143 #define NOP (OPC1(0x0) | OPC2(0x04))
144 #define OR (OPC1(0x2) | OPC3(0x02))
145 #define ORN (OPC1(0x2) | OPC3(0x06))
146 #define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0))
147 #define RESTORE (OPC1(0x2) | OPC3(0x3d))
148 #define SAVE (OPC1(0x2) | OPC3(0x3c))
149 #define SETHI (OPC1(0x0) | OPC2(0x04))
150 #define SLL (OPC1(0x2) | OPC3(0x25))
151 #define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12))
152 #define SRA (OPC1(0x2) | OPC3(0x27))
153 #define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12))
154 #define SRL (OPC1(0x2) | OPC3(0x26))
155 #define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12))
156 #define SUB (OPC1(0x2) | OPC3(0x04))
157 #define SUBC (OPC1(0x2) | OPC3(0x0c))
158 #define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25))
159 #define WRY (OPC1(0x2) | OPC3(0x30) | DA(0))
160 #define XOR (OPC1(0x2) | OPC3(0x03))
161 #define XNOR (OPC1(0x2) | OPC3(0x07))
163 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
164 #define MAX_DISP (0x1fffff)
165 #define MIN_DISP (-0x200000)
166 #define DISP_MASK (0x3fffff)
168 #define BICC (OPC1(0x0) | OPC2(0x2))
169 #define FBFCC (OPC1(0x0) | OPC2(0x6))
171 #define SDIV (OPC1(0x2) | OPC3(0x0f))
172 #define SMUL (OPC1(0x2) | OPC3(0x0b))
173 #define UDIV (OPC1(0x2) | OPC3(0x0e))
174 #define UMUL (OPC1(0x2) | OPC3(0x0a))
179 #define SIMM_MAX (0x0fff)
180 #define SIMM_MIN (-0x1000)
182 /* dest_reg is the absolute name of the register
183 Useful for reordering instructions in the delay slot. */
184 static sljit_si push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_si delay_slot)
187 SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS
188 || (delay_slot & DST_INS_MASK) == MOVABLE_INS
189 || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f));
190 ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
194 compiler->delay_slot = delay_slot;
195 return SLJIT_SUCCESS;
198 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code)
201 sljit_uw target_addr;
203 sljit_ins saved_inst;
205 if (jump->flags & SLJIT_REWRITABLE_JUMP)
208 if (jump->flags & JUMP_ADDR)
209 target_addr = jump->u.target;
211 SLJIT_ASSERT(jump->flags & JUMP_LABEL);
212 target_addr = (sljit_uw)(code + jump->u.label->size);
214 inst = (sljit_ins*)jump->addr;
216 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
217 if (jump->flags & IS_CALL) {
218 /* Call is always patchable on sparc 32. */
219 jump->flags |= PATCH_CALL;
220 if (jump->flags & IS_MOVABLE) {
223 jump->addr -= sizeof(sljit_ins);
231 /* Both calls and BPr instructions shall not pass this point. */
232 #error "Implementation required"
235 if (jump->flags & IS_COND)
238 if (jump->flags & IS_MOVABLE) {
239 diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1)) >> 2;
240 if (diff <= MAX_DISP && diff >= MIN_DISP) {
241 jump->flags |= PATCH_B;
243 if (jump->flags & IS_COND) {
244 saved_inst = inst[0];
245 inst[0] = inst[1] ^ (1 << 28);
246 inst[1] = saved_inst;
249 inst[0] = BICC | DA(0x8);
251 jump->addr = (sljit_uw)inst;
256 diff = ((sljit_sw)target_addr - (sljit_sw)(inst)) >> 2;
257 if (diff <= MAX_DISP && diff >= MIN_DISP) {
258 jump->flags |= PATCH_B;
259 if (jump->flags & IS_COND)
260 inst[0] ^= (1 << 28);
262 inst[0] = BICC | DA(0x8);
264 jump->addr = (sljit_uw)inst;
271 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
273 struct sljit_memory_fragment *buf;
281 struct sljit_label *label;
282 struct sljit_jump *jump;
283 struct sljit_const *const_;
286 CHECK_PTR(check_sljit_generate_code(compiler));
287 reverse_buf(compiler);
289 code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
290 PTR_FAIL_WITH_EXEC_IF(code);
295 label = compiler->labels;
296 jump = compiler->jumps;
297 const_ = compiler->consts;
299 buf_ptr = (sljit_ins*)buf->memory;
300 buf_end = buf_ptr + (buf->used_size >> 2);
302 *code_ptr = *buf_ptr++;
303 SLJIT_ASSERT(!label || label->size >= word_count);
304 SLJIT_ASSERT(!jump || jump->addr >= word_count);
305 SLJIT_ASSERT(!const_ || const_->addr >= word_count);
306 /* These structures are ordered by their address. */
307 if (label && label->size == word_count) {
308 /* Just recording the address. */
309 label->addr = (sljit_uw)code_ptr;
310 label->size = code_ptr - code;
313 if (jump && jump->addr == word_count) {
314 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
315 jump->addr = (sljit_uw)(code_ptr - 3);
317 jump->addr = (sljit_uw)(code_ptr - 6);
319 code_ptr = detect_jump_type(jump, code_ptr, code);
322 if (const_ && const_->addr == word_count) {
323 /* Just recording the address. */
324 const_->addr = (sljit_uw)code_ptr;
325 const_ = const_->next;
329 } while (buf_ptr < buf_end);
334 if (label && label->size == word_count) {
335 label->addr = (sljit_uw)code_ptr;
336 label->size = code_ptr - code;
340 SLJIT_ASSERT(!label);
342 SLJIT_ASSERT(!const_);
343 SLJIT_ASSERT(code_ptr - code <= (sljit_si)compiler->size);
345 jump = compiler->jumps;
348 addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
349 buf_ptr = (sljit_ins*)jump->addr;
351 if (jump->flags & PATCH_CALL) {
352 addr = (sljit_sw)(addr - jump->addr) >> 2;
353 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000);
354 buf_ptr[0] = CALL | (addr & 0x3fffffff);
357 if (jump->flags & PATCH_B) {
358 addr = (sljit_sw)(addr - jump->addr) >> 2;
359 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP);
360 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK);
364 /* Set the fields of immediate loads. */
365 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
366 buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff);
367 buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff);
369 #error "Implementation required"
376 compiler->error = SLJIT_ERR_COMPILED;
377 compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
378 SLJIT_CACHE_FLUSH(code, code_ptr);
382 /* --------------------------------------------------------------------- */
384 /* --------------------------------------------------------------------- */
386 /* Creates an index in data_transfer_insts array. */
387 #define LOAD_DATA 0x01
388 #define WORD_DATA 0x00
389 #define BYTE_DATA 0x02
390 #define HALF_DATA 0x04
391 #define INT_DATA 0x06
392 #define SIGNED_DATA 0x08
393 /* Separates integer and floating point registers */
395 #define DOUBLE_DATA 0x10
396 #define SINGLE_DATA 0x12
398 #define MEM_MASK 0x1f
400 #define WRITE_BACK 0x00020
401 #define ARG_TEST 0x00040
402 #define ALT_KEEP_CACHE 0x00080
403 #define CUMULATIVE_OP 0x00100
404 #define IMM_OP 0x00200
405 #define SRC2_IMM 0x00400
407 #define REG_DEST 0x00800
408 #define REG2_SOURCE 0x01000
409 #define SLOW_SRC1 0x02000
410 #define SLOW_SRC2 0x04000
411 #define SLOW_DEST 0x08000
413 /* SET_FLAGS (0x10 << 19) also belong here! */
415 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
416 #include "sljitNativeSPARC_32.c"
418 #include "sljitNativeSPARC_64.c"
421 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler,
422 sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
423 sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
426 CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
427 set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
429 local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
430 compiler->local_size = local_size;
432 if (local_size <= SIMM_MAX) {
433 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
436 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
437 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
440 /* Arguments are in their appropriate registers. */
442 return SLJIT_SUCCESS;
445 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_set_context(struct sljit_compiler *compiler,
446 sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
447 sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
450 CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
451 set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
453 compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
454 return SLJIT_SUCCESS;
457 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
460 CHECK(check_sljit_emit_return(compiler, op, src, srcw));
462 if (op != SLJIT_MOV || !FAST_IS_REG(src)) {
463 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
467 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
468 return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
471 /* --------------------------------------------------------------------- */
473 /* --------------------------------------------------------------------- */
475 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
476 #define ARCH_32_64(a, b) a
478 #define ARCH_32_64(a, b) b
481 static SLJIT_CONST sljit_ins data_transfer_insts[16 + 4] = {
482 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
483 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
484 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
485 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
486 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
487 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
488 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
489 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
491 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
492 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
493 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
494 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
495 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
496 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
497 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
498 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
500 /* d s */ OPC1(3) | OPC3(0x27),
501 /* d l */ OPC1(3) | OPC3(0x23),
502 /* s s */ OPC1(3) | OPC3(0x24),
503 /* s l */ OPC1(3) | OPC3(0x20),
508 /* Can perform an operation using at most 1 instruction. */
509 static sljit_si getput_arg_fast(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw)
511 SLJIT_ASSERT(arg & SLJIT_MEM);
513 if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) {
514 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
515 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
516 /* Works for both absoulte and relative addresses (immediate case). */
517 if (SLJIT_UNLIKELY(flags & ARG_TEST))
519 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
520 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg))
521 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
522 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
529 /* See getput_arg below.
530 Note: can_cache is called only for binary operators. Those
531 operators always uses word arguments without write back. */
532 static sljit_si can_cache(sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw)
534 SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
536 /* Simple operation except for updates. */
537 if (arg & OFFS_REG_MASK) {
541 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
546 if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
551 /* Emit the necessary instructions. See can_cache above. */
552 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)
554 sljit_si base, arg2, delay_slot;
557 SLJIT_ASSERT(arg & SLJIT_MEM);
558 if (!(next_arg & SLJIT_MEM)) {
563 base = arg & REG_MASK;
564 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
566 SLJIT_ASSERT(argw != 0);
568 /* Using the cache. */
569 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
572 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
573 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
574 compiler->cache_argw = argw;
577 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
579 else /* It must be a mov operation, so tmp1 must be free to use. */
581 FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2)));
585 /* Using the cache. */
586 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
587 if (argw != compiler->cache_argw) {
588 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
589 compiler->cache_argw = argw;
593 if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
594 compiler->cache_arg = SLJIT_MEM;
595 compiler->cache_argw = argw;
598 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
600 else /* It must be a mov operation, so tmp1 must be free to use. */
602 FAIL_IF(load_immediate(compiler, arg2, argw));
606 dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg));
607 delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
609 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
610 if (!(flags & WRITE_BACK))
611 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
612 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot));
613 return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base));
616 static SLJIT_INLINE sljit_si emit_op_mem(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw)
618 if (getput_arg_fast(compiler, flags, reg, arg, argw))
619 return compiler->error;
620 compiler->cache_arg = 0;
621 compiler->cache_argw = 0;
622 return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
625 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)
627 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
628 return compiler->error;
629 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
632 static sljit_si emit_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags,
633 sljit_si dst, sljit_sw dstw,
634 sljit_si src1, sljit_sw src1w,
635 sljit_si src2, sljit_sw src2w)
637 /* arg1 goes to TMP_REG1 or src reg
638 arg2 goes to TMP_REG2, imm or src reg
639 TMP_REG3 can be used for caching
640 result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
641 sljit_si dst_r = TMP_REG2;
644 sljit_si sugg_src2_r = TMP_REG2;
646 if (!(flags & ALT_KEEP_CACHE)) {
647 compiler->cache_arg = 0;
648 compiler->cache_argw = 0;
651 if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) {
652 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM))
653 return SLJIT_SUCCESS;
655 else if (FAST_IS_REG(dst)) {
658 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
661 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
664 if (flags & IMM_OP) {
665 if ((src2 & SLJIT_IMM) && src2w) {
666 if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
671 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
672 if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
676 /* And swap arguments. */
680 /* src2w = src2_r unneeded. */
686 if (FAST_IS_REG(src1))
688 else if (src1 & SLJIT_IMM) {
690 FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
697 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
698 FAIL_IF(compiler->error);
705 if (FAST_IS_REG(src2)) {
707 flags |= REG2_SOURCE;
708 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
711 else if (src2 & SLJIT_IMM) {
712 if (!(flags & SRC2_IMM)) {
714 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
715 src2_r = sugg_src2_r;
719 if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) && (dst & SLJIT_MEM))
725 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
726 FAIL_IF(compiler->error);
729 src2_r = sugg_src2_r;
732 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
733 SLJIT_ASSERT(src2_r == TMP_REG2);
734 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
735 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
736 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
739 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
740 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
743 else if (flags & SLOW_SRC1)
744 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
745 else if (flags & SLOW_SRC2)
746 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
748 FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
750 if (dst & SLJIT_MEM) {
751 if (!(flags & SLOW_DEST)) {
752 getput_arg_fast(compiler, flags, dst_r, dst, dstw);
753 return compiler->error;
755 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
758 return SLJIT_SUCCESS;
761 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op)
764 CHECK(check_sljit_emit_op0(compiler, op));
768 case SLJIT_BREAKPOINT:
769 return push_inst(compiler, TA, UNMOVABLE_INS);
771 return push_inst(compiler, NOP, UNMOVABLE_INS);
774 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
775 FAIL_IF(push_inst(compiler, (op == SLJIT_LUMUL ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
776 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
778 #error "Implementation required"
784 SLJIT_COMPILE_ASSERT((SLJIT_UDIVMOD & 0x2) == 0 && SLJIT_UDIVI - 0x2 == SLJIT_UDIVMOD, bad_div_opcode_assignments);
785 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
786 if ((op | 0x2) == SLJIT_UDIVI)
787 FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
789 FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
790 FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
792 if (op <= SLJIT_SDIVMOD)
793 FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
794 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_UDIVI ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
795 if (op >= SLJIT_UDIVI)
796 return SLJIT_SUCCESS;
797 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
798 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
800 #error "Implementation required"
804 return SLJIT_SUCCESS;
807 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op,
808 sljit_si dst, sljit_sw dstw,
809 sljit_si src, sljit_sw srcw)
811 sljit_si flags = GET_FLAGS(op) ? SET_FLAGS : 0;
814 CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
815 ADJUST_LOCAL_OFFSET(dst, dstw);
816 ADJUST_LOCAL_OFFSET(src, srcw);
822 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
825 return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
828 return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
831 return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);
834 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);
837 return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);
840 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);
844 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
847 return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
850 return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
853 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);
856 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);
859 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);
862 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);
866 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
869 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
872 return SLJIT_SUCCESS;
875 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op,
876 sljit_si dst, sljit_sw dstw,
877 sljit_si src1, sljit_sw src1w,
878 sljit_si src2, sljit_sw src2w)
880 sljit_si flags = GET_FLAGS(op) ? SET_FLAGS : 0;
883 CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
884 ADJUST_LOCAL_OFFSET(dst, dstw);
885 ADJUST_LOCAL_OFFSET(src1, src1w);
886 ADJUST_LOCAL_OFFSET(src2, src2w);
896 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
900 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
905 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
906 if (src2 & SLJIT_IMM)
911 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
914 return SLJIT_SUCCESS;
917 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg)
919 CHECK_REG_INDEX(check_sljit_get_register_index(reg));
923 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_float_register_index(sljit_si reg)
925 CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
929 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler,
930 void *instruction, sljit_si size)
933 CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
935 return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
938 /* --------------------------------------------------------------------- */
939 /* Floating point operators */
940 /* --------------------------------------------------------------------- */
942 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_is_fpu_available(void)
944 #ifdef SLJIT_IS_FPU_AVAILABLE
945 return SLJIT_IS_FPU_AVAILABLE;
947 /* Available by default. */
952 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_SINGLE_OP) >> 7))
953 #define SELECT_FOP(op, single, double) ((op & SLJIT_SINGLE_OP) ? single : double)
954 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
956 static SLJIT_INLINE sljit_si sljit_emit_fop1_convw_fromd(struct sljit_compiler *compiler, sljit_si op,
957 sljit_si dst, sljit_sw dstw,
958 sljit_si src, sljit_sw srcw)
960 if (src & SLJIT_MEM) {
961 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
967 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | DA(TMP_FREG1) | S2A(src), MOVABLE_INS));
969 if (dst == SLJIT_UNUSED)
970 return SLJIT_SUCCESS;
972 if (FAST_IS_REG(dst)) {
973 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));
974 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);
977 /* Store the integer value from a VFP register. */
978 return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
981 static SLJIT_INLINE sljit_si sljit_emit_fop1_convd_fromw(struct sljit_compiler *compiler, sljit_si op,
982 sljit_si dst, sljit_sw dstw,
983 sljit_si src, sljit_sw srcw)
985 sljit_si dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1;
987 if (src & SLJIT_IMM) {
988 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
989 if (GET_OPCODE(op) == SLJIT_CONVD_FROMI)
990 srcw = (sljit_si)srcw;
992 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
997 if (FAST_IS_REG(src)) {
998 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));
999 src = SLJIT_MEM1(SLJIT_SP);
1000 srcw = FLOAT_TMP_MEM_OFFSET;
1003 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1004 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | DA(dst_r) | S2A(TMP_FREG1), MOVABLE_INS));
1006 if (dst & SLJIT_MEM)
1007 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
1008 return SLJIT_SUCCESS;
1011 static SLJIT_INLINE sljit_si sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_si op,
1012 sljit_si src1, sljit_sw src1w,
1013 sljit_si src2, sljit_sw src2w)
1015 if (src1 & SLJIT_MEM) {
1016 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1022 if (src2 & SLJIT_MEM) {
1023 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
1029 return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(src1) | S2A(src2), FCC_IS_SET | MOVABLE_INS);
1032 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op,
1033 sljit_si dst, sljit_sw dstw,
1034 sljit_si src, sljit_sw srcw)
1039 compiler->cache_arg = 0;
1040 compiler->cache_argw = 0;
1042 SLJIT_COMPILE_ASSERT((SLJIT_SINGLE_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
1043 SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1045 if (GET_OPCODE(op) == SLJIT_CONVD_FROMS)
1046 op ^= SLJIT_SINGLE_OP;
1048 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1;
1050 if (src & SLJIT_MEM) {
1051 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
1057 switch (GET_OPCODE(op)) {
1060 if (dst_r != TMP_FREG1) {
1061 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r) | S2A(src), MOVABLE_INS));
1062 if (!(op & SLJIT_SINGLE_OP))
1063 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
1070 FAIL_IF(push_inst(compiler, FNEGS | DA(dst_r) | S2A(src), MOVABLE_INS));
1071 if (dst_r != src && !(op & SLJIT_SINGLE_OP))
1072 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
1075 FAIL_IF(push_inst(compiler, FABSS | DA(dst_r) | S2A(src), MOVABLE_INS));
1076 if (dst_r != src && !(op & SLJIT_SINGLE_OP))
1077 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
1079 case SLJIT_CONVD_FROMS:
1080 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | DA(dst_r) | S2A(src), MOVABLE_INS));
1081 op ^= SLJIT_SINGLE_OP;
1085 if (dst & SLJIT_MEM)
1086 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
1087 return SLJIT_SUCCESS;
1090 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op,
1091 sljit_si dst, sljit_sw dstw,
1092 sljit_si src1, sljit_sw src1w,
1093 sljit_si src2, sljit_sw src2w)
1095 sljit_si dst_r, flags = 0;
1098 CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1099 ADJUST_LOCAL_OFFSET(dst, dstw);
1100 ADJUST_LOCAL_OFFSET(src1, src1w);
1101 ADJUST_LOCAL_OFFSET(src2, src2w);
1103 compiler->cache_arg = 0;
1104 compiler->cache_argw = 0;
1106 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2;
1108 if (src1 & SLJIT_MEM) {
1109 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1110 FAIL_IF(compiler->error);
1118 if (src2 & SLJIT_MEM) {
1119 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
1120 FAIL_IF(compiler->error);
1128 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1129 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1130 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1131 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1134 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1135 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1138 else if (flags & SLOW_SRC1)
1139 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1140 else if (flags & SLOW_SRC2)
1141 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1143 if (flags & SLOW_SRC1)
1145 if (flags & SLOW_SRC2)
1148 switch (GET_OPCODE(op)) {
1150 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1154 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1158 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1162 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1166 if (dst_r == TMP_FREG2)
1167 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1169 return SLJIT_SUCCESS;
1175 /* --------------------------------------------------------------------- */
1176 /* Other instructions */
1177 /* --------------------------------------------------------------------- */
1179 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw)
1182 CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1183 ADJUST_LOCAL_OFFSET(dst, dstw);
1185 /* For UNUSED dst. Uncommon, but possible. */
1186 if (dst == SLJIT_UNUSED)
1187 return SLJIT_SUCCESS;
1189 if (FAST_IS_REG(dst))
1190 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst));
1193 return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw);
1196 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw)
1199 CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
1200 ADJUST_LOCAL_OFFSET(src, srcw);
1202 if (FAST_IS_REG(src))
1203 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
1204 else if (src & SLJIT_MEM)
1205 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
1206 else if (src & SLJIT_IMM)
1207 FAIL_IF(load_immediate(compiler, TMP_LINK, srcw));
1209 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
1210 return push_inst(compiler, NOP, UNMOVABLE_INS);
1213 /* --------------------------------------------------------------------- */
1214 /* Conditional instructions */
1215 /* --------------------------------------------------------------------- */
1217 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1219 struct sljit_label *label;
1222 CHECK_PTR(check_sljit_emit_label(compiler));
1224 if (compiler->last_label && compiler->last_label->size == compiler->size)
1225 return compiler->last_label;
1227 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1228 PTR_FAIL_IF(!label);
1229 set_label(label, compiler);
1230 compiler->delay_slot = UNMOVABLE_INS;
1234 static sljit_ins get_cc(sljit_si type)
1238 case SLJIT_MUL_NOT_OVERFLOW:
1239 case SLJIT_D_NOT_EQUAL: /* Unordered. */
1242 case SLJIT_NOT_EQUAL:
1243 case SLJIT_MUL_OVERFLOW:
1248 case SLJIT_D_GREATER: /* Unordered. */
1251 case SLJIT_GREATER_EQUAL:
1252 case SLJIT_D_LESS_EQUAL:
1256 case SLJIT_D_GREATER_EQUAL: /* Unordered. */
1259 case SLJIT_LESS_EQUAL:
1263 case SLJIT_SIG_LESS:
1266 case SLJIT_SIG_GREATER_EQUAL:
1269 case SLJIT_SIG_GREATER:
1272 case SLJIT_SIG_LESS_EQUAL:
1275 case SLJIT_OVERFLOW:
1276 case SLJIT_D_UNORDERED:
1279 case SLJIT_NOT_OVERFLOW:
1280 case SLJIT_D_ORDERED:
1284 SLJIT_ASSERT_STOP();
1289 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type)
1291 struct sljit_jump *jump;
1294 CHECK_PTR(check_sljit_emit_jump(compiler, type));
1296 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1298 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1301 if (type < SLJIT_D_EQUAL) {
1302 jump->flags |= IS_COND;
1303 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1304 jump->flags |= IS_MOVABLE;
1305 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1306 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1308 #error "Implementation required"
1311 else if (type < SLJIT_JUMP) {
1312 jump->flags |= IS_COND;
1313 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1314 jump->flags |= IS_MOVABLE;
1315 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1316 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1318 #error "Implementation required"
1321 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1322 jump->flags |= IS_MOVABLE;
1323 if (type >= SLJIT_FAST_CALL)
1324 jump->flags |= IS_CALL;
1327 PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0));
1328 PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS));
1329 jump->addr = compiler->size;
1330 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1335 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw)
1337 struct sljit_jump *jump = NULL;
1341 CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1342 ADJUST_LOCAL_OFFSET(src, srcw);
1344 if (FAST_IS_REG(src))
1346 else if (src & SLJIT_IMM) {
1347 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1349 set_jump(jump, compiler, JUMP_ADDR);
1350 jump->u.target = srcw;
1351 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1352 jump->flags |= IS_MOVABLE;
1353 if (type >= SLJIT_FAST_CALL)
1354 jump->flags |= IS_CALL;
1356 FAIL_IF(emit_const(compiler, TMP_REG2, 0));
1360 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw));
1364 FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1366 jump->addr = compiler->size;
1367 return push_inst(compiler, NOP, UNMOVABLE_INS);
1370 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op,
1371 sljit_si dst, sljit_sw dstw,
1372 sljit_si src, sljit_sw srcw,
1375 sljit_si reg, flags = (GET_FLAGS(op) ? SET_FLAGS : 0);
1378 CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type));
1379 ADJUST_LOCAL_OFFSET(dst, dstw);
1381 if (dst == SLJIT_UNUSED)
1382 return SLJIT_SUCCESS;
1384 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1385 op = GET_OPCODE(op);
1386 reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1388 compiler->cache_arg = 0;
1389 compiler->cache_argw = 0;
1390 if (op >= SLJIT_ADD && (src & SLJIT_MEM)) {
1391 ADJUST_LOCAL_OFFSET(src, srcw);
1392 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw));
1398 if (type < SLJIT_D_EQUAL)
1399 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
1401 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
1403 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1404 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1406 if (op >= SLJIT_ADD)
1407 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0);
1409 return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS;
1411 #error "Implementation required"
1415 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw init_value)
1418 struct sljit_const *const_;
1421 CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
1422 ADJUST_LOCAL_OFFSET(dst, dstw);
1424 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1425 PTR_FAIL_IF(!const_);
1426 set_const(const_, compiler);
1428 reg = SLOW_IS_REG(dst) ? dst : TMP_REG2;
1430 PTR_FAIL_IF(emit_const(compiler, reg, init_value));
1432 if (dst & SLJIT_MEM)
1433 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));