sljit/sljitNativeSPARC_common.c

   1 /*
   2  *    Stack-less Just-In-Time compiler
   3  *
   4  *    Copyright 2009-2012 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
  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
  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 #define TMP_LINK        (SLJIT_NUMBER_OF_REGISTERS + 5)
  94
  95 #define TMP_FREG1       (0)
  96 #define TMP_FREG2       ((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) << 1)
  97
  98 static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = {
  99         0, 8, 9, 10, 13, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 11, 12, 15
 100 };
 101
 102 /* --------------------------------------------------------------------- */
 103 /*  Instrucion forms                                                     */
 104 /* --------------------------------------------------------------------- */
 105
 106 #define D(d)            (reg_map[d] << 25)
 107 #define DA(d)           ((d) << 25)
 108 #define S1(s1)          (reg_map[s1] << 14)
 109 #define S2(s2)          (reg_map[s2])
 110 #define S1A(s1)         ((s1) << 14)
 111 #define S2A(s2)         (s2)
 112 #define IMM_ARG         0x2000
 113 #define DOP(op)         ((op) << 5)
 114 #define IMM(imm)        (((imm) & 0x1fff) | IMM_ARG)
 115
 116 #define DR(dr)          (reg_map[dr])
 117 #define OPC1(opcode)    ((opcode) << 30)
 118 #define OPC2(opcode)    ((opcode) << 22)
 119 #define OPC3(opcode)    ((opcode) << 19)
 120 #define SET_FLAGS       OPC3(0x10)
 121
 122 #define ADD             (OPC1(0x2) | OPC3(0x00))
 123 #define ADDC            (OPC1(0x2) | OPC3(0x08))
 124 #define AND             (OPC1(0x2) | OPC3(0x01))
 125 #define ANDN            (OPC1(0x2) | OPC3(0x05))
 126 #define CALL            (OPC1(0x1))
 127 #define FABSS           (OPC1(0x2) | OPC3(0x34) | DOP(0x09))
 128 #define FADDD           (OPC1(0x2) | OPC3(0x34) | DOP(0x42))
 129 #define FADDS           (OPC1(0x2) | OPC3(0x34) | DOP(0x41))
 130 #define FCMPD           (OPC1(0x2) | OPC3(0x35) | DOP(0x52))
 131 #define FCMPS           (OPC1(0x2) | OPC3(0x35) | DOP(0x51))
 132 #define FDIVD           (OPC1(0x2) | OPC3(0x34) | DOP(0x4e))
 133 #define FDIVS           (OPC1(0x2) | OPC3(0x34) | DOP(0x4d))
 134 #define FDTOI           (OPC1(0x2) | OPC3(0x34) | DOP(0xd2))
 135 #define FDTOS           (OPC1(0x2) | OPC3(0x34) | DOP(0xc6))
 136 #define FITOD           (OPC1(0x2) | OPC3(0x34) | DOP(0xc8))
 137 #define FITOS           (OPC1(0x2) | OPC3(0x34) | DOP(0xc4))
 138 #define FMOVS           (OPC1(0x2) | OPC3(0x34) | DOP(0x01))
 139 #define FMULD           (OPC1(0x2) | OPC3(0x34) | DOP(0x4a))
 140 #define FMULS           (OPC1(0x2) | OPC3(0x34) | DOP(0x49))
 141 #define FNEGS           (OPC1(0x2) | OPC3(0x34) | DOP(0x05))
 142 #define FSTOD           (OPC1(0x2) | OPC3(0x34) | DOP(0xc9))
 143 #define FSTOI           (OPC1(0x2) | OPC3(0x34) | DOP(0xd1))
 144 #define FSUBD           (OPC1(0x2) | OPC3(0x34) | DOP(0x46))
 145 #define FSUBS           (OPC1(0x2) | OPC3(0x34) | DOP(0x45))
 146 #define JMPL            (OPC1(0x2) | OPC3(0x38))
 147 #define NOP             (OPC1(0x0) | OPC2(0x04))
 148 #define OR              (OPC1(0x2) | OPC3(0x02))
 149 #define ORN             (OPC1(0x2) | OPC3(0x06))
 150 #define RDY             (OPC1(0x2) | OPC3(0x28) | S1A(0))
 151 #define RESTORE         (OPC1(0x2) | OPC3(0x3d))
 152 #define SAVE            (OPC1(0x2) | OPC3(0x3c))
 153 #define SETHI           (OPC1(0x0) | OPC2(0x04))
 154 #define SLL             (OPC1(0x2) | OPC3(0x25))
 155 #define SLLX            (OPC1(0x2) | OPC3(0x25) | (1 << 12))
 156 #define SRA             (OPC1(0x2) | OPC3(0x27))
 157 #define SRAX            (OPC1(0x2) | OPC3(0x27) | (1 << 12))
 158 #define SRL             (OPC1(0x2) | OPC3(0x26))
 159 #define SRLX            (OPC1(0x2) | OPC3(0x26) | (1 << 12))
 160 #define SUB             (OPC1(0x2) | OPC3(0x04))
 161 #define SUBC            (OPC1(0x2) | OPC3(0x0c))
 162 #define TA              (OPC1(0x2) | OPC3(0x3a) | (8 << 25))
 163 #define WRY             (OPC1(0x2) | OPC3(0x30) | DA(0))
 164 #define XOR             (OPC1(0x2) | OPC3(0x03))
 165 #define XNOR            (OPC1(0x2) | OPC3(0x07))
 166
 167 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 168 #define MAX_DISP        (0x1fffff)
 169 #define MIN_DISP        (-0x200000)
 170 #define DISP_MASK       (0x3fffff)
 171
 172 #define BICC            (OPC1(0x0) | OPC2(0x2))
 173 #define FBFCC           (OPC1(0x0) | OPC2(0x6))
 174 #define SLL_W           SLL
 175 #define SDIV            (OPC1(0x2) | OPC3(0x0f))
 176 #define SMUL            (OPC1(0x2) | OPC3(0x0b))
 177 #define UDIV            (OPC1(0x2) | OPC3(0x0e))
 178 #define UMUL            (OPC1(0x2) | OPC3(0x0a))
 179 #else
 180 #define SLL_W           SLLX
 181 #endif
 182
 183 #define SIMM_MAX        (0x0fff)
 184 #define SIMM_MIN        (-0x1000)
 185
 186 /* dest_reg is the absolute name of the register
 187    Useful for reordering instructions in the delay slot. */
 188 static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot)
 189 {
 190         sljit_ins *ptr;
 191         SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS
 192                 || (delay_slot & DST_INS_MASK) == MOVABLE_INS
 193                 || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f));
 194         ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
 195         FAIL_IF(!ptr);
 196         *ptr = ins;
 197         compiler->size++;
 198         compiler->delay_slot = delay_slot;
 199         return SLJIT_SUCCESS;
 200 }
 201
 202 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code)
 203 {
 204         sljit_sw diff;
 205         sljit_uw target_addr;
 206         sljit_ins *inst;
 207         sljit_ins saved_inst;
 208
 209         if (jump->flags & SLJIT_REWRITABLE_JUMP)
 210                 return code_ptr;
 211
 212         if (jump->flags & JUMP_ADDR)
 213                 target_addr = jump->u.target;
 214         else {
 215                 SLJIT_ASSERT(jump->flags & JUMP_LABEL);
 216                 target_addr = (sljit_uw)(code + jump->u.label->size);
 217         }
 218         inst = (sljit_ins*)jump->addr;
 219
 220 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 221         if (jump->flags & IS_CALL) {
 222                 /* Call is always patchable on sparc 32. */
 223                 jump->flags |= PATCH_CALL;
 224                 if (jump->flags & IS_MOVABLE) {
 225                         inst[0] = inst[-1];
 226                         inst[-1] = CALL;
 227                         jump->addr -= sizeof(sljit_ins);
 228                         return inst;
 229                 }
 230                 inst[0] = CALL;
 231                 inst[1] = NOP;
 232                 return inst + 1;
 233         }
 234 #else
 235         /* Both calls and BPr instructions shall not pass this point. */
 236 #error "Implementation required"
 237 #endif
 238
 239         if (jump->flags & IS_COND)
 240                 inst--;
 241
 242         if (jump->flags & IS_MOVABLE) {
 243                 diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1)) >> 2;
 244                 if (diff <= MAX_DISP && diff >= MIN_DISP) {
 245                         jump->flags |= PATCH_B;
 246                         inst--;
 247                         if (jump->flags & IS_COND) {
 248                                 saved_inst = inst[0];
 249                                 inst[0] = inst[1] ^ (1 << 28);
 250                                 inst[1] = saved_inst;
 251                         } else {
 252                                 inst[1] = inst[0];
 253                                 inst[0] = BICC | DA(0x8);
 254                         }
 255                         jump->addr = (sljit_uw)inst;
 256                         return inst + 1;
 257                 }
 258         }
 259
 260         diff = ((sljit_sw)target_addr - (sljit_sw)(inst)) >> 2;
 261         if (diff <= MAX_DISP && diff >= MIN_DISP) {
 262                 jump->flags |= PATCH_B;
 263                 if (jump->flags & IS_COND)
 264                         inst[0] ^= (1 << 28);
 265                 else
 266                         inst[0] = BICC | DA(0x8);
 267                 inst[1] = NOP;
 268                 jump->addr = (sljit_uw)inst;
 269                 return inst + 1;
 270         }
 271
 272         return code_ptr;
 273 }
 274
 275 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
 276 {
 277         struct sljit_memory_fragment *buf;
 278         sljit_ins *code;
 279         sljit_ins *code_ptr;
 280         sljit_ins *buf_ptr;
 281         sljit_ins *buf_end;
 282         sljit_uw word_count;
 283         sljit_uw addr;
 284
 285         struct sljit_label *label;
 286         struct sljit_jump *jump;
 287         struct sljit_const *const_;
 288
 289         CHECK_ERROR_PTR();
 290         CHECK_PTR(check_sljit_generate_code(compiler));
 291         reverse_buf(compiler);
 292
 293         code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
 294         PTR_FAIL_WITH_EXEC_IF(code);
 295         buf = compiler->buf;
 296
 297         code_ptr = code;
 298         word_count = 0;
 299         label = compiler->labels;
 300         jump = compiler->jumps;
 301         const_ = compiler->consts;
 302         do {
 303                 buf_ptr = (sljit_ins*)buf->memory;
 304                 buf_end = buf_ptr + (buf->used_size >> 2);
 305                 do {
 306                         *code_ptr = *buf_ptr++;
 307                         SLJIT_ASSERT(!label || label->size >= word_count);
 308                         SLJIT_ASSERT(!jump || jump->addr >= word_count);
 309                         SLJIT_ASSERT(!const_ || const_->addr >= word_count);
 310                         /* These structures are ordered by their address. */
 311                         if (label && label->size == word_count) {
 312                                 /* Just recording the address. */
 313                                 label->addr = (sljit_uw)code_ptr;
 314                                 label->size = code_ptr - code;
 315                                 label = label->next;
 316                         }
 317                         if (jump && jump->addr == word_count) {
 318 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 319                                 jump->addr = (sljit_uw)(code_ptr - 3);
 320 #else
 321                                 jump->addr = (sljit_uw)(code_ptr - 6);
 322 #endif
 323                                 code_ptr = detect_jump_type(jump, code_ptr, code);
 324                                 jump = jump->next;
 325                         }
 326                         if (const_ && const_->addr == word_count) {
 327                                 /* Just recording the address. */
 328                                 const_->addr = (sljit_uw)code_ptr;
 329                                 const_ = const_->next;
 330                         }
 331                         code_ptr ++;
 332                         word_count ++;
 333                 } while (buf_ptr < buf_end);
 334
 335                 buf = buf->next;
 336         } while (buf);
 337
 338         if (label && label->size == word_count) {
 339                 label->addr = (sljit_uw)code_ptr;
 340                 label->size = code_ptr - code;
 341                 label = label->next;
 342         }
 343
 344         SLJIT_ASSERT(!label);
 345         SLJIT_ASSERT(!jump);
 346         SLJIT_ASSERT(!const_);
 347         SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size);
 348
 349         jump = compiler->jumps;
 350         while (jump) {
 351                 do {
 352                         addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
 353                         buf_ptr = (sljit_ins*)jump->addr;
 354
 355                         if (jump->flags & PATCH_CALL) {
 356                                 addr = (sljit_sw)(addr - jump->addr) >> 2;
 357                                 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000);
 358                                 buf_ptr[0] = CALL | (addr & 0x3fffffff);
 359                                 break;
 360                         }
 361                         if (jump->flags & PATCH_B) {
 362                                 addr = (sljit_sw)(addr - jump->addr) >> 2;
 363                                 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP);
 364                                 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK);
 365                                 break;
 366                         }
 367
 368                         /* Set the fields of immediate loads. */
 369 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 370                         buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff);
 371                         buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff);
 372 #else
 373 #error "Implementation required"
 374 #endif
 375                 } while (0);
 376                 jump = jump->next;
 377         }
 378
 379
 380         compiler->error = SLJIT_ERR_COMPILED;
 381         compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
 382         SLJIT_CACHE_FLUSH(code, code_ptr);
 383         return code;
 384 }
 385
 386 /* --------------------------------------------------------------------- */
 387 /*  Entry, exit                                                          */
 388 /* --------------------------------------------------------------------- */
 389
 390 /* Creates an index in data_transfer_insts array. */
 391 #define LOAD_DATA       0x01
 392 #define WORD_DATA       0x00
 393 #define BYTE_DATA       0x02
 394 #define HALF_DATA       0x04
 395 #define INT_DATA        0x06
 396 #define SIGNED_DATA     0x08
 397 /* Separates integer and floating point registers */
 398 #define GPR_REG         0x0f
 399 #define DOUBLE_DATA     0x10
 400 #define SINGLE_DATA     0x12
 401
 402 #define MEM_MASK        0x1f
 403
 404 #define WRITE_BACK      0x00020
 405 #define ARG_TEST        0x00040
 406 #define ALT_KEEP_CACHE  0x00080
 407 #define CUMULATIVE_OP   0x00100
 408 #define IMM_OP          0x00200
 409 #define SRC2_IMM        0x00400
 410
 411 #define REG_DEST        0x00800
 412 #define REG2_SOURCE     0x01000
 413 #define SLOW_SRC1       0x02000
 414 #define SLOW_SRC2       0x04000
 415 #define SLOW_DEST       0x08000
 416
 417 /* SET_FLAGS (0x10 << 19) also belong here! */
 418
 419 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 420 #include "sljitNativeSPARC_32.c"
 421 #else
 422 #include "sljitNativeSPARC_64.c"
 423 #endif
 424
 425 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
 426         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
 427         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 428 {
 429         CHECK_ERROR();
 430         CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
 431         set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
 432
 433         local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 434         compiler->local_size = local_size;
 435
 436         if (local_size <= SIMM_MAX) {
 437                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
 438         }
 439         else {
 440                 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
 441                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
 442         }
 443
 444         /* Arguments are in their appropriate registers. */
 445
 446         return SLJIT_SUCCESS;
 447 }
 448
 449 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
 450         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
 451         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 452 {
 453         CHECK_ERROR();
 454         CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
 455         set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
 456
 457         compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 458         return SLJIT_SUCCESS;
 459 }
 460
 461 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
 462 {
 463         CHECK_ERROR();
 464         CHECK(check_sljit_emit_return(compiler, op, src, srcw));
 465
 466         if (op != SLJIT_MOV || !FAST_IS_REG(src)) {
 467                 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
 468                 src = SLJIT_R0;
 469         }
 470
 471         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
 472         return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
 473 }
 474
 475 /* --------------------------------------------------------------------- */
 476 /*  Operators                                                            */
 477 /* --------------------------------------------------------------------- */
 478
 479 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 480 #define ARCH_32_64(a, b)        a
 481 #else
 482 #define ARCH_32_64(a, b)        b
 483 #endif
 484
 485 static const sljit_ins data_transfer_insts[16 + 4] = {
 486 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 487 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 488 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
 489 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
 490 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
 491 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
 492 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
 493 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
 494
 495 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 496 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 497 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
 498 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
 499 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
 500 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
 501 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
 502 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
 503
 504 /* d   s */ OPC1(3) | OPC3(0x27),
 505 /* d   l */ OPC1(3) | OPC3(0x23),
 506 /* s   s */ OPC1(3) | OPC3(0x24),
 507 /* s   l */ OPC1(3) | OPC3(0x20),
 508 };
 509
 510 #undef ARCH_32_64
 511
 512 /* Can perform an operation using at most 1 instruction. */
 513 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 514 {
 515         SLJIT_ASSERT(arg & SLJIT_MEM);
 516
 517         if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) {
 518                 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
 519                                 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
 520                         /* Works for both absoulte and relative addresses (immediate case). */
 521                         if (SLJIT_UNLIKELY(flags & ARG_TEST))
 522                                 return 1;
 523                         FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
 524                                 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg))
 525                                 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
 526                                 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
 527                         return -1;
 528                 }
 529         }
 530         return 0;
 531 }
 532
 533 /* See getput_arg below.
 534    Note: can_cache is called only for binary operators. Those
 535    operators always uses word arguments without write back. */
 536 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
 537 {
 538         SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
 539
 540         /* Simple operation except for updates. */
 541         if (arg & OFFS_REG_MASK) {
 542                 argw &= 0x3;
 543                 SLJIT_ASSERT(argw);
 544                 next_argw &= 0x3;
 545                 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
 546                         return 1;
 547                 return 0;
 548         }
 549
 550         if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
 551                 return 1;
 552         return 0;
 553 }
 554
 555 /* Emit the necessary instructions. See can_cache above. */
 556 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)
 557 {
 558         sljit_s32 base, arg2, delay_slot;
 559         sljit_ins dest;
 560
 561         SLJIT_ASSERT(arg & SLJIT_MEM);
 562         if (!(next_arg & SLJIT_MEM)) {
 563                 next_arg = 0;
 564                 next_argw = 0;
 565         }
 566
 567         base = arg & REG_MASK;
 568         if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
 569                 argw &= 0x3;
 570                 SLJIT_ASSERT(argw != 0);
 571
 572                 /* Using the cache. */
 573                 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
 574                         arg2 = TMP_REG3;
 575                 else {
 576                         if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
 577                                 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
 578                                 compiler->cache_argw = argw;
 579                                 arg2 = TMP_REG3;
 580                         }
 581                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
 582                                 arg2 = reg;
 583                         else /* It must be a mov operation, so tmp1 must be free to use. */
 584                                 arg2 = TMP_REG1;
 585                         FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2)));
 586                 }
 587         }
 588         else {
 589                 /* Using the cache. */
 590                 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
 591                         if (argw != compiler->cache_argw) {
 592                                 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
 593                                 compiler->cache_argw = argw;
 594                         }
 595                         arg2 = TMP_REG3;
 596                 } else {
 597                         if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
 598                                 compiler->cache_arg = SLJIT_MEM;
 599                                 compiler->cache_argw = argw;
 600                                 arg2 = TMP_REG3;
 601                         }
 602                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
 603                                 arg2 = reg;
 604                         else /* It must be a mov operation, so tmp1 must be free to use. */
 605                                 arg2 = TMP_REG1;
 606                         FAIL_IF(load_immediate(compiler, arg2, argw));
 607                 }
 608         }
 609
 610         dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg));
 611         delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
 612         if (!base)
 613                 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
 614         if (!(flags & WRITE_BACK))
 615                 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
 616         FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot));
 617         return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base));
 618 }
 619
 620 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 621 {
 622         if (getput_arg_fast(compiler, flags, reg, arg, argw))
 623                 return compiler->error;
 624         compiler->cache_arg = 0;
 625         compiler->cache_argw = 0;
 626         return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
 627 }
 628
 629 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)
 630 {
 631         if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
 632                 return compiler->error;
 633         return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
 634 }
 635
 636 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
 637         sljit_s32 dst, sljit_sw dstw,
 638         sljit_s32 src1, sljit_sw src1w,
 639         sljit_s32 src2, sljit_sw src2w)
 640 {
 641         /* arg1 goes to TMP_REG1 or src reg
 642            arg2 goes to TMP_REG2, imm or src reg
 643            TMP_REG3 can be used for caching
 644            result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
 645         sljit_s32 dst_r = TMP_REG2;
 646         sljit_s32 src1_r;
 647         sljit_sw src2_r = 0;
 648         sljit_s32 sugg_src2_r = TMP_REG2;
 649
 650         if (!(flags & ALT_KEEP_CACHE)) {
 651                 compiler->cache_arg = 0;
 652                 compiler->cache_argw = 0;
 653         }
 654
 655         if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) {
 656                 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32 && !(src2 & SLJIT_MEM))
 657                         return SLJIT_SUCCESS;
 658         }
 659         else if (FAST_IS_REG(dst)) {
 660                 dst_r = dst;
 661                 flags |= REG_DEST;
 662                 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32)
 663                         sugg_src2_r = dst_r;
 664         }
 665         else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
 666                 flags |= SLOW_DEST;
 667
 668         if (flags & IMM_OP) {
 669                 if ((src2 & SLJIT_IMM) && src2w) {
 670                         if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
 671                                 flags |= SRC2_IMM;
 672                                 src2_r = src2w;
 673                         }
 674                 }
 675                 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
 676                         if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
 677                                 flags |= SRC2_IMM;
 678                                 src2_r = src1w;
 679
 680                                 /* And swap arguments. */
 681                                 src1 = src2;
 682                                 src1w = src2w;
 683                                 src2 = SLJIT_IMM;
 684                                 /* src2w = src2_r unneeded. */
 685                         }
 686                 }
 687         }
 688
 689         /* Source 1. */
 690         if (FAST_IS_REG(src1))
 691                 src1_r = src1;
 692         else if (src1 & SLJIT_IMM) {
 693                 if (src1w) {
 694                         FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
 695                         src1_r = TMP_REG1;
 696                 }
 697                 else
 698                         src1_r = 0;
 699         }
 700         else {
 701                 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
 702                         FAIL_IF(compiler->error);
 703                 else
 704                         flags |= SLOW_SRC1;
 705                 src1_r = TMP_REG1;
 706         }
 707
 708         /* Source 2. */
 709         if (FAST_IS_REG(src2)) {
 710                 src2_r = src2;
 711                 flags |= REG2_SOURCE;
 712                 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_S32)
 713                         dst_r = src2_r;
 714         }
 715         else if (src2 & SLJIT_IMM) {
 716                 if (!(flags & SRC2_IMM)) {
 717                         if (src2w) {
 718                                 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
 719                                 src2_r = sugg_src2_r;
 720                         }
 721                         else {
 722                                 src2_r = 0;
 723                                 if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) && (dst & SLJIT_MEM))
 724                                         dst_r = 0;
 725                         }
 726                 }
 727         }
 728         else {
 729                 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
 730                         FAIL_IF(compiler->error);
 731                 else
 732                         flags |= SLOW_SRC2;
 733                 src2_r = sugg_src2_r;
 734         }
 735
 736         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
 737                 SLJIT_ASSERT(src2_r == TMP_REG2);
 738                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
 739                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
 740                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 741                 }
 742                 else {
 743                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
 744                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
 745                 }
 746         }
 747         else if (flags & SLOW_SRC1)
 748                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 749         else if (flags & SLOW_SRC2)
 750                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
 751
 752         FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
 753
 754         if (dst & SLJIT_MEM) {
 755                 if (!(flags & SLOW_DEST)) {
 756                         getput_arg_fast(compiler, flags, dst_r, dst, dstw);
 757                         return compiler->error;
 758                 }
 759                 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
 760         }
 761
 762         return SLJIT_SUCCESS;
 763 }
 764
 765 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
 766 {
 767         CHECK_ERROR();
 768         CHECK(check_sljit_emit_op0(compiler, op));
 769
 770         op = GET_OPCODE(op);
 771         switch (op) {
 772         case SLJIT_BREAKPOINT:
 773                 return push_inst(compiler, TA, UNMOVABLE_INS);
 774         case SLJIT_NOP:
 775                 return push_inst(compiler, NOP, UNMOVABLE_INS);
 776         case SLJIT_LMUL_UW:
 777         case SLJIT_LMUL_SW:
 778 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 779                 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 780                 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
 781 #else
 782 #error "Implementation required"
 783 #endif
 784         case SLJIT_DIVMOD_UW:
 785         case SLJIT_DIVMOD_SW:
 786         case SLJIT_DIV_UW:
 787         case SLJIT_DIV_SW:
 788                 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments);
 789 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 790                 if ((op | 0x2) == SLJIT_DIV_UW)
 791                         FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
 792                 else {
 793                         FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
 794                         FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
 795                 }
 796                 if (op <= SLJIT_DIVMOD_SW)
 797                         FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
 798                 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 799                 if (op >= SLJIT_DIV_UW)
 800                         return SLJIT_SUCCESS;
 801                 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
 802                 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
 803 #else
 804 #error "Implementation required"
 805 #endif
 806         }
 807
 808         return SLJIT_SUCCESS;
 809 }
 810
 811 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
 812         sljit_s32 dst, sljit_sw dstw,
 813         sljit_s32 src, sljit_sw srcw)
 814 {
 815         sljit_s32 flags = GET_FLAGS(op) ? SET_FLAGS : 0;
 816
 817         CHECK_ERROR();
 818         CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
 819         ADJUST_LOCAL_OFFSET(dst, dstw);
 820         ADJUST_LOCAL_OFFSET(src, srcw);
 821
 822         op = GET_OPCODE(op);
 823         switch (op) {
 824         case SLJIT_MOV:
 825         case SLJIT_MOV_P:
 826                 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
 827
 828         case SLJIT_MOV_U32:
 829                 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
 830
 831         case SLJIT_MOV_S32:
 832                 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
 833
 834         case SLJIT_MOV_U8:
 835                 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
 836
 837         case SLJIT_MOV_S8:
 838                 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);
 839
 840         case SLJIT_MOV_U16:
 841                 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
 842
 843         case SLJIT_MOV_S16:
 844                 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);
 845
 846         case SLJIT_MOVU:
 847         case SLJIT_MOVU_P:
 848                 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
 849
 850         case SLJIT_MOVU_U32:
 851                 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
 852
 853         case SLJIT_MOVU_S32:
 854                 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
 855
 856         case SLJIT_MOVU_U8:
 857                 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
 858
 859         case SLJIT_MOVU_S8:
 860                 return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw);
 861
 862         case SLJIT_MOVU_U16:
 863                 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
 864
 865         case SLJIT_MOVU_S16:
 866                 return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw);
 867
 868         case SLJIT_NOT:
 869         case SLJIT_CLZ:
 870                 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
 871
 872         case SLJIT_NEG:
 873                 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
 874         }
 875
 876         return SLJIT_SUCCESS;
 877 }
 878
 879 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
 880         sljit_s32 dst, sljit_sw dstw,
 881         sljit_s32 src1, sljit_sw src1w,
 882         sljit_s32 src2, sljit_sw src2w)
 883 {
 884         sljit_s32 flags = GET_FLAGS(op) ? SET_FLAGS : 0;
 885
 886         CHECK_ERROR();
 887         CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
 888         ADJUST_LOCAL_OFFSET(dst, dstw);
 889         ADJUST_LOCAL_OFFSET(src1, src1w);
 890         ADJUST_LOCAL_OFFSET(src2, src2w);
 891
 892         op = GET_OPCODE(op);
 893         switch (op) {
 894         case SLJIT_ADD:
 895         case SLJIT_ADDC:
 896         case SLJIT_MUL:
 897         case SLJIT_AND:
 898         case SLJIT_OR:
 899         case SLJIT_XOR:
 900                 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
 901
 902         case SLJIT_SUB:
 903         case SLJIT_SUBC:
 904                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
 905
 906         case SLJIT_SHL:
 907         case SLJIT_LSHR:
 908         case SLJIT_ASHR:
 909 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 910                 if (src2 & SLJIT_IMM)
 911                         src2w &= 0x1f;
 912 #else
 913                 SLJIT_ASSERT_STOP();
 914 #endif
 915                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
 916         }
 917
 918         return SLJIT_SUCCESS;
 919 }
 920
 921 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
 922 {
 923         CHECK_REG_INDEX(check_sljit_get_register_index(reg));
 924         return reg_map[reg];
 925 }
 926
 927 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
 928 {
 929         CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
 930         return reg << 1;
 931 }
 932
 933 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
 934         void *instruction, sljit_s32 size)
 935 {
 936         CHECK_ERROR();
 937         CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
 938
 939         return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
 940 }
 941
 942 /* --------------------------------------------------------------------- */
 943 /*  Floating point operators                                             */
 944 /* --------------------------------------------------------------------- */
 945
 946 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void)
 947 {
 948 #ifdef SLJIT_IS_FPU_AVAILABLE
 949         return SLJIT_IS_FPU_AVAILABLE;
 950 #else
 951         /* Available by default. */
 952         return 1;
 953 #endif
 954 }
 955
 956 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7))
 957 #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double)
 958 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
 959
 960 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
 961         sljit_s32 dst, sljit_sw dstw,
 962         sljit_s32 src, sljit_sw srcw)
 963 {
 964         if (src & SLJIT_MEM) {
 965                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
 966                 src = TMP_FREG1;
 967         }
 968         else
 969                 src <<= 1;
 970
 971         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | DA(TMP_FREG1) | S2A(src), MOVABLE_INS));
 972
 973         if (dst == SLJIT_UNUSED)
 974                 return SLJIT_SUCCESS;
 975
 976         if (FAST_IS_REG(dst)) {
 977                 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));
 978                 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);
 979         }
 980
 981         /* Store the integer value from a VFP register. */
 982         return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
 983 }
 984
 985 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
 986         sljit_s32 dst, sljit_sw dstw,
 987         sljit_s32 src, sljit_sw srcw)
 988 {
 989         sljit_s32 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1;
 990
 991         if (src & SLJIT_IMM) {
 992 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
 993                 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
 994                         srcw = (sljit_s32)srcw;
 995 #endif
 996                 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
 997                 src = TMP_REG1;
 998                 srcw = 0;
 999         }
1000
1001         if (FAST_IS_REG(src)) {
1002                 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));
1003                 src = SLJIT_MEM1(SLJIT_SP);
1004                 srcw = FLOAT_TMP_MEM_OFFSET;
1005         }
1006
1007         FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1008         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | DA(dst_r) | S2A(TMP_FREG1), MOVABLE_INS));
1009
1010         if (dst & SLJIT_MEM)
1011                 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
1012         return SLJIT_SUCCESS;
1013 }
1014
1015 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1016         sljit_s32 src1, sljit_sw src1w,
1017         sljit_s32 src2, sljit_sw src2w)
1018 {
1019         if (src1 & SLJIT_MEM) {
1020                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1021                 src1 = TMP_FREG1;
1022         }
1023         else
1024                 src1 <<= 1;
1025
1026         if (src2 & SLJIT_MEM) {
1027                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
1028                 src2 = TMP_FREG2;
1029         }
1030         else
1031                 src2 <<= 1;
1032
1033         return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(src1) | S2A(src2), FCC_IS_SET | MOVABLE_INS);
1034 }
1035
1036 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1037         sljit_s32 dst, sljit_sw dstw,
1038         sljit_s32 src, sljit_sw srcw)
1039 {
1040         sljit_s32 dst_r;
1041
1042         CHECK_ERROR();
1043         compiler->cache_arg = 0;
1044         compiler->cache_argw = 0;
1045
1046         SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
1047         SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1048
1049         if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1050                 op ^= SLJIT_F32_OP;
1051
1052         dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1;
1053
1054         if (src & SLJIT_MEM) {
1055                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
1056                 src = dst_r;
1057         }
1058         else
1059                 src <<= 1;
1060
1061         switch (GET_OPCODE(op)) {
1062         case SLJIT_MOV_F64:
1063                 if (src != dst_r) {
1064                         if (dst_r != TMP_FREG1) {
1065                                 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r) | S2A(src), MOVABLE_INS));
1066                                 if (!(op & SLJIT_F32_OP))
1067                                         FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
1068                         }
1069                         else
1070                                 dst_r = src;
1071                 }
1072                 break;
1073         case SLJIT_NEG_F64:
1074                 FAIL_IF(push_inst(compiler, FNEGS | DA(dst_r) | S2A(src), MOVABLE_INS));
1075                 if (dst_r != src && !(op & SLJIT_F32_OP))
1076                         FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
1077                 break;
1078         case SLJIT_ABS_F64:
1079                 FAIL_IF(push_inst(compiler, FABSS | DA(dst_r) | S2A(src), MOVABLE_INS));
1080                 if (dst_r != src && !(op & SLJIT_F32_OP))
1081                         FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
1082                 break;
1083         case SLJIT_CONV_F64_FROM_F32:
1084                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | DA(dst_r) | S2A(src), MOVABLE_INS));
1085                 op ^= SLJIT_F32_OP;
1086                 break;
1087         }
1088
1089         if (dst & SLJIT_MEM)
1090                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
1091         return SLJIT_SUCCESS;
1092 }
1093
1094 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1095         sljit_s32 dst, sljit_sw dstw,
1096         sljit_s32 src1, sljit_sw src1w,
1097         sljit_s32 src2, sljit_sw src2w)
1098 {
1099         sljit_s32 dst_r, flags = 0;
1100
1101         CHECK_ERROR();
1102         CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1103         ADJUST_LOCAL_OFFSET(dst, dstw);
1104         ADJUST_LOCAL_OFFSET(src1, src1w);
1105         ADJUST_LOCAL_OFFSET(src2, src2w);
1106
1107         compiler->cache_arg = 0;
1108         compiler->cache_argw = 0;
1109
1110         dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2;
1111
1112         if (src1 & SLJIT_MEM) {
1113                 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1114                         FAIL_IF(compiler->error);
1115                         src1 = TMP_FREG1;
1116                 } else
1117                         flags |= SLOW_SRC1;
1118         }
1119         else
1120                 src1 <<= 1;
1121
1122         if (src2 & SLJIT_MEM) {
1123                 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
1124                         FAIL_IF(compiler->error);
1125                         src2 = TMP_FREG2;
1126                 } else
1127                         flags |= SLOW_SRC2;
1128         }
1129         else
1130                 src2 <<= 1;
1131
1132         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1133                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1134                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1135                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1136                 }
1137                 else {
1138                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1139                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1140                 }
1141         }
1142         else if (flags & SLOW_SRC1)
1143                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1144         else if (flags & SLOW_SRC2)
1145                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1146
1147         if (flags & SLOW_SRC1)
1148                 src1 = TMP_FREG1;
1149         if (flags & SLOW_SRC2)
1150                 src2 = TMP_FREG2;
1151
1152         switch (GET_OPCODE(op)) {
1153         case SLJIT_ADD_F64:
1154                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1155                 break;
1156
1157         case SLJIT_SUB_F64:
1158                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1159                 break;
1160
1161         case SLJIT_MUL_F64:
1162                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1163                 break;
1164
1165         case SLJIT_DIV_F64:
1166                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1167                 break;
1168         }
1169
1170         if (dst_r == TMP_FREG2)
1171                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1172
1173         return SLJIT_SUCCESS;
1174 }
1175
1176 #undef FLOAT_DATA
1177 #undef SELECT_FOP
1178
1179 /* --------------------------------------------------------------------- */
1180 /*  Other instructions                                                   */
1181 /* --------------------------------------------------------------------- */
1182
1183 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1184 {
1185         CHECK_ERROR();
1186         CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1187         ADJUST_LOCAL_OFFSET(dst, dstw);
1188
1189         /* For UNUSED dst. Uncommon, but possible. */
1190         if (dst == SLJIT_UNUSED)
1191                 return SLJIT_SUCCESS;
1192
1193         if (FAST_IS_REG(dst))
1194                 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst));
1195
1196         /* Memory. */
1197         return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw);
1198 }
1199
1200 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
1201 {
1202         CHECK_ERROR();
1203         CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
1204         ADJUST_LOCAL_OFFSET(src, srcw);
1205
1206         if (FAST_IS_REG(src))
1207                 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
1208         else if (src & SLJIT_MEM)
1209                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
1210         else if (src & SLJIT_IMM)
1211                 FAIL_IF(load_immediate(compiler, TMP_LINK, srcw));
1212
1213         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
1214         return push_inst(compiler, NOP, UNMOVABLE_INS);
1215 }
1216
1217 /* --------------------------------------------------------------------- */
1218 /*  Conditional instructions                                             */
1219 /* --------------------------------------------------------------------- */
1220
1221 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1222 {
1223         struct sljit_label *label;
1224
1225         CHECK_ERROR_PTR();
1226         CHECK_PTR(check_sljit_emit_label(compiler));
1227
1228         if (compiler->last_label && compiler->last_label->size == compiler->size)
1229                 return compiler->last_label;
1230
1231         label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1232         PTR_FAIL_IF(!label);
1233         set_label(label, compiler);
1234         compiler->delay_slot = UNMOVABLE_INS;
1235         return label;
1236 }
1237
1238 static sljit_ins get_cc(sljit_s32 type)
1239 {
1240         switch (type) {
1241         case SLJIT_EQUAL:
1242         case SLJIT_MUL_NOT_OVERFLOW:
1243         case SLJIT_NOT_EQUAL_F64: /* Unordered. */
1244                 return DA(0x1);
1245
1246         case SLJIT_NOT_EQUAL:
1247         case SLJIT_MUL_OVERFLOW:
1248         case SLJIT_EQUAL_F64:
1249                 return DA(0x9);
1250
1251         case SLJIT_LESS:
1252         case SLJIT_GREATER_F64: /* Unordered. */
1253                 return DA(0x5);
1254
1255         case SLJIT_GREATER_EQUAL:
1256         case SLJIT_LESS_EQUAL_F64:
1257                 return DA(0xd);
1258
1259         case SLJIT_GREATER:
1260         case SLJIT_GREATER_EQUAL_F64: /* Unordered. */
1261                 return DA(0xc);
1262
1263         case SLJIT_LESS_EQUAL:
1264         case SLJIT_LESS_F64:
1265                 return DA(0x4);
1266
1267         case SLJIT_SIG_LESS:
1268                 return DA(0x3);
1269
1270         case SLJIT_SIG_GREATER_EQUAL:
1271                 return DA(0xb);
1272
1273         case SLJIT_SIG_GREATER:
1274                 return DA(0xa);
1275
1276         case SLJIT_SIG_LESS_EQUAL:
1277                 return DA(0x2);
1278
1279         case SLJIT_OVERFLOW:
1280         case SLJIT_UNORDERED_F64:
1281                 return DA(0x7);
1282
1283         case SLJIT_NOT_OVERFLOW:
1284         case SLJIT_ORDERED_F64:
1285                 return DA(0xf);
1286
1287         default:
1288                 SLJIT_ASSERT_STOP();
1289                 return DA(0x8);
1290         }
1291 }
1292
1293 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1294 {
1295         struct sljit_jump *jump;
1296
1297         CHECK_ERROR_PTR();
1298         CHECK_PTR(check_sljit_emit_jump(compiler, type));
1299
1300         jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1301         PTR_FAIL_IF(!jump);
1302         set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1303         type &= 0xff;
1304
1305         if (type < SLJIT_EQUAL_F64) {
1306                 jump->flags |= IS_COND;
1307                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1308                         jump->flags |= IS_MOVABLE;
1309 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1310                 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1311 #else
1312 #error "Implementation required"
1313 #endif
1314         }
1315         else if (type < SLJIT_JUMP) {
1316                 jump->flags |= IS_COND;
1317                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1318                         jump->flags |= IS_MOVABLE;
1319 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1320                 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1321 #else
1322 #error "Implementation required"
1323 #endif
1324         } else {
1325                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1326                         jump->flags |= IS_MOVABLE;
1327                 if (type >= SLJIT_FAST_CALL)
1328                         jump->flags |= IS_CALL;
1329         }
1330
1331         PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0));
1332         PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS));
1333         jump->addr = compiler->size;
1334         PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1335
1336         return jump;
1337 }
1338
1339 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1340 {
1341         struct sljit_jump *jump = NULL;
1342         sljit_s32 src_r;
1343
1344         CHECK_ERROR();
1345         CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1346         ADJUST_LOCAL_OFFSET(src, srcw);
1347
1348         if (FAST_IS_REG(src))
1349                 src_r = src;
1350         else if (src & SLJIT_IMM) {
1351                 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1352                 FAIL_IF(!jump);
1353                 set_jump(jump, compiler, JUMP_ADDR);
1354                 jump->u.target = srcw;
1355                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1356                         jump->flags |= IS_MOVABLE;
1357                 if (type >= SLJIT_FAST_CALL)
1358                         jump->flags |= IS_CALL;
1359
1360                 FAIL_IF(emit_const(compiler, TMP_REG2, 0));
1361                 src_r = TMP_REG2;
1362         }
1363         else {
1364                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw));
1365                 src_r = TMP_REG2;
1366         }
1367
1368         FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1369         if (jump)
1370                 jump->addr = compiler->size;
1371         return push_inst(compiler, NOP, UNMOVABLE_INS);
1372 }
1373
1374 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1375         sljit_s32 dst, sljit_sw dstw,
1376         sljit_s32 src, sljit_sw srcw,
1377         sljit_s32 type)
1378 {
1379         sljit_s32 reg, flags = (GET_FLAGS(op) ? SET_FLAGS : 0);
1380
1381         CHECK_ERROR();
1382         CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type));
1383         ADJUST_LOCAL_OFFSET(dst, dstw);
1384
1385         if (dst == SLJIT_UNUSED)
1386                 return SLJIT_SUCCESS;
1387
1388 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1389         op = GET_OPCODE(op);
1390         reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1391
1392         compiler->cache_arg = 0;
1393         compiler->cache_argw = 0;
1394         if (op >= SLJIT_ADD && (src & SLJIT_MEM)) {
1395                 ADJUST_LOCAL_OFFSET(src, srcw);
1396                 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw));
1397                 src = TMP_REG1;
1398                 srcw = 0;
1399         }
1400
1401         type &= 0xff;
1402         if (type < SLJIT_EQUAL_F64)
1403                 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
1404         else
1405                 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
1406
1407         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1408         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1409
1410         if (op >= SLJIT_ADD)
1411                 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0);
1412
1413         return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS;
1414 #else
1415 #error "Implementation required"
1416 #endif
1417 }
1418
1419 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1420 {
1421         sljit_s32 reg;
1422         struct sljit_const *const_;
1423
1424         CHECK_ERROR_PTR();
1425         CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
1426         ADJUST_LOCAL_OFFSET(dst, dstw);
1427
1428         const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1429         PTR_FAIL_IF(!const_);
1430         set_const(const_, compiler);
1431
1432         reg = SLOW_IS_REG(dst) ? dst : TMP_REG2;
1433
1434         PTR_FAIL_IF(emit_const(compiler, reg, init_value));
1435
1436         if (dst & SLJIT_MEM)
1437                 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1438         return const_;
1439 }