sljit_src/sljitNativeSPARC_common.c

   1 /*
   2  *    Stack-less Just-In-Time compiler
   3  *
   4  *    Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without modification, are
   7  * permitted provided that the following conditions are met:
   8  *
   9  *   1. Redistributions of source code must retain the above copyright notice, this list of
  10  *      conditions and the following disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above copyright notice, this list
  13  *      of conditions and the following disclaimer in the documentation and/or other materials
  14  *      provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
  17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
  19  * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  21  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  22  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  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, sljit_sw executable_offset)
 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) + (sljit_uw)executable_offset;
 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         diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1) - executable_offset) >> 2;
 243
 244         if (jump->flags & IS_MOVABLE) {
 245                 if (diff <= MAX_DISP && diff >= MIN_DISP) {
 246                         jump->flags |= PATCH_B;
 247                         inst--;
 248                         if (jump->flags & IS_COND) {
 249                                 saved_inst = inst[0];
 250                                 inst[0] = inst[1] ^ (1 << 28);
 251                                 inst[1] = saved_inst;
 252                         } else {
 253                                 inst[1] = inst[0];
 254                                 inst[0] = BICC | DA(0x8);
 255                         }
 256                         jump->addr = (sljit_uw)inst;
 257                         return inst + 1;
 258                 }
 259         }
 260
 261         diff += sizeof(sljit_ins);
 262
 263         if (diff <= MAX_DISP && diff >= MIN_DISP) {
 264                 jump->flags |= PATCH_B;
 265                 if (jump->flags & IS_COND)
 266                         inst[0] ^= (1 << 28);
 267                 else
 268                         inst[0] = BICC | DA(0x8);
 269                 inst[1] = NOP;
 270                 jump->addr = (sljit_uw)inst;
 271                 return inst + 1;
 272         }
 273
 274         return code_ptr;
 275 }
 276
 277 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
 278 {
 279         struct sljit_memory_fragment *buf;
 280         sljit_ins *code;
 281         sljit_ins *code_ptr;
 282         sljit_ins *buf_ptr;
 283         sljit_ins *buf_end;
 284         sljit_uw word_count;
 285         sljit_sw executable_offset;
 286         sljit_uw addr;
 287
 288         struct sljit_label *label;
 289         struct sljit_jump *jump;
 290         struct sljit_const *const_;
 291
 292         CHECK_ERROR_PTR();
 293         CHECK_PTR(check_sljit_generate_code(compiler));
 294         reverse_buf(compiler);
 295
 296         code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
 297         PTR_FAIL_WITH_EXEC_IF(code);
 298         buf = compiler->buf;
 299
 300         code_ptr = code;
 301         word_count = 0;
 302         executable_offset = SLJIT_EXEC_OFFSET(code);
 303
 304         label = compiler->labels;
 305         jump = compiler->jumps;
 306         const_ = compiler->consts;
 307
 308         do {
 309                 buf_ptr = (sljit_ins*)buf->memory;
 310                 buf_end = buf_ptr + (buf->used_size >> 2);
 311                 do {
 312                         *code_ptr = *buf_ptr++;
 313                         SLJIT_ASSERT(!label || label->size >= word_count);
 314                         SLJIT_ASSERT(!jump || jump->addr >= word_count);
 315                         SLJIT_ASSERT(!const_ || const_->addr >= word_count);
 316                         /* These structures are ordered by their address. */
 317                         if (label && label->size == word_count) {
 318                                 /* Just recording the address. */
 319                                 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
 320                                 label->size = code_ptr - code;
 321                                 label = label->next;
 322                         }
 323                         if (jump && jump->addr == word_count) {
 324 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 325                                 jump->addr = (sljit_uw)(code_ptr - 3);
 326 #else
 327                                 jump->addr = (sljit_uw)(code_ptr - 6);
 328 #endif
 329                                 code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset);
 330                                 jump = jump->next;
 331                         }
 332                         if (const_ && const_->addr == word_count) {
 333                                 /* Just recording the address. */
 334                                 const_->addr = (sljit_uw)code_ptr;
 335                                 const_ = const_->next;
 336                         }
 337                         code_ptr ++;
 338                         word_count ++;
 339                 } while (buf_ptr < buf_end);
 340
 341                 buf = buf->next;
 342         } while (buf);
 343
 344         if (label && label->size == word_count) {
 345                 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
 346                 label->size = code_ptr - code;
 347                 label = label->next;
 348         }
 349
 350         SLJIT_ASSERT(!label);
 351         SLJIT_ASSERT(!jump);
 352         SLJIT_ASSERT(!const_);
 353         SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size);
 354
 355         jump = compiler->jumps;
 356         while (jump) {
 357                 do {
 358                         addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
 359                         buf_ptr = (sljit_ins *)jump->addr;
 360
 361                         if (jump->flags & PATCH_CALL) {
 362                                 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
 363                                 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000);
 364                                 buf_ptr[0] = CALL | (addr & 0x3fffffff);
 365                                 break;
 366                         }
 367                         if (jump->flags & PATCH_B) {
 368                                 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
 369                                 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP);
 370                                 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK);
 371                                 break;
 372                         }
 373
 374                         /* Set the fields of immediate loads. */
 375 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 376                         buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff);
 377                         buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff);
 378 #else
 379 #error "Implementation required"
 380 #endif
 381                 } while (0);
 382                 jump = jump->next;
 383         }
 384
 385
 386         compiler->error = SLJIT_ERR_COMPILED;
 387         compiler->executable_offset = executable_offset;
 388         compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
 389
 390         code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset);
 391         code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
 392
 393         SLJIT_CACHE_FLUSH(code, code_ptr);
 394         return code;
 395 }
 396
 397 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
 398 {
 399         switch (feature_type) {
 400         case SLJIT_HAS_FPU:
 401 #ifdef SLJIT_IS_FPU_AVAILABLE
 402                 return SLJIT_IS_FPU_AVAILABLE;
 403 #else
 404                 /* Available by default. */
 405                 return 1;
 406 #endif
 407
 408 #if (defined SLJIT_CONFIG_SPARC_64 && SLJIT_CONFIG_SPARC_64)
 409         case SLJIT_HAS_CMOV:
 410                 return 1;
 411 #endif
 412
 413         default:
 414                 return 0;
 415         }
 416 }
 417
 418 /* --------------------------------------------------------------------- */
 419 /*  Entry, exit                                                          */
 420 /* --------------------------------------------------------------------- */
 421
 422 /* Creates an index in data_transfer_insts array. */
 423 #define LOAD_DATA       0x01
 424 #define WORD_DATA       0x00
 425 #define BYTE_DATA       0x02
 426 #define HALF_DATA       0x04
 427 #define INT_DATA        0x06
 428 #define SIGNED_DATA     0x08
 429 /* Separates integer and floating point registers */
 430 #define GPR_REG         0x0f
 431 #define DOUBLE_DATA     0x10
 432 #define SINGLE_DATA     0x12
 433
 434 #define MEM_MASK        0x1f
 435
 436 #define WRITE_BACK      0x00020
 437 #define ARG_TEST        0x00040
 438 #define ALT_KEEP_CACHE  0x00080
 439 #define CUMULATIVE_OP   0x00100
 440 #define IMM_OP          0x00200
 441 #define SRC2_IMM        0x00400
 442
 443 #define REG_DEST        0x00800
 444 #define REG2_SOURCE     0x01000
 445 #define SLOW_SRC1       0x02000
 446 #define SLOW_SRC2       0x04000
 447 #define SLOW_DEST       0x08000
 448
 449 /* SET_FLAGS (0x10 << 19) also belong here! */
 450
 451 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 452 #include "sljitNativeSPARC_32.c"
 453 #else
 454 #include "sljitNativeSPARC_64.c"
 455 #endif
 456
 457 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
 458         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
 459         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 460 {
 461         CHECK_ERROR();
 462         CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
 463         set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
 464
 465         local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 466         compiler->local_size = local_size;
 467
 468         if (local_size <= SIMM_MAX) {
 469                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
 470         }
 471         else {
 472                 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
 473                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
 474         }
 475
 476         /* Arguments are in their appropriate registers. */
 477
 478         return SLJIT_SUCCESS;
 479 }
 480
 481 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
 482         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
 483         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 484 {
 485         CHECK_ERROR();
 486         CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
 487         set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
 488
 489         compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 490         return SLJIT_SUCCESS;
 491 }
 492
 493 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
 494 {
 495         CHECK_ERROR();
 496         CHECK(check_sljit_emit_return(compiler, op, src, srcw));
 497
 498         if (op != SLJIT_MOV || !FAST_IS_REG(src)) {
 499                 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
 500                 src = SLJIT_R0;
 501         }
 502
 503         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
 504         return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
 505 }
 506
 507 /* --------------------------------------------------------------------- */
 508 /*  Operators                                                            */
 509 /* --------------------------------------------------------------------- */
 510
 511 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 512 #define ARCH_32_64(a, b)        a
 513 #else
 514 #define ARCH_32_64(a, b)        b
 515 #endif
 516
 517 static const sljit_ins data_transfer_insts[16 + 4] = {
 518 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 519 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 520 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
 521 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
 522 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
 523 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
 524 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
 525 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
 526
 527 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 528 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 529 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
 530 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
 531 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
 532 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
 533 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
 534 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
 535
 536 /* d   s */ OPC1(3) | OPC3(0x27),
 537 /* d   l */ OPC1(3) | OPC3(0x23),
 538 /* s   s */ OPC1(3) | OPC3(0x24),
 539 /* s   l */ OPC1(3) | OPC3(0x20),
 540 };
 541
 542 #undef ARCH_32_64
 543
 544 /* Can perform an operation using at most 1 instruction. */
 545 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 546 {
 547         SLJIT_ASSERT(arg & SLJIT_MEM);
 548
 549         if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) {
 550                 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
 551                                 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
 552                         /* Works for both absoulte and relative addresses (immediate case). */
 553                         if (SLJIT_UNLIKELY(flags & ARG_TEST))
 554                                 return 1;
 555                         FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
 556                                 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg))
 557                                 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
 558                                 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
 559                         return -1;
 560                 }
 561         }
 562         return 0;
 563 }
 564
 565 /* See getput_arg below.
 566    Note: can_cache is called only for binary operators. Those
 567    operators always uses word arguments without write back. */
 568 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
 569 {
 570         SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
 571
 572         /* Simple operation except for updates. */
 573         if (arg & OFFS_REG_MASK) {
 574                 argw &= 0x3;
 575                 SLJIT_ASSERT(argw);
 576                 next_argw &= 0x3;
 577                 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
 578                         return 1;
 579                 return 0;
 580         }
 581
 582         if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
 583                 return 1;
 584         return 0;
 585 }
 586
 587 /* Emit the necessary instructions. See can_cache above. */
 588 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)
 589 {
 590         sljit_s32 base, arg2, delay_slot;
 591         sljit_ins dest;
 592
 593         SLJIT_ASSERT(arg & SLJIT_MEM);
 594         if (!(next_arg & SLJIT_MEM)) {
 595                 next_arg = 0;
 596                 next_argw = 0;
 597         }
 598
 599         base = arg & REG_MASK;
 600         if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
 601                 argw &= 0x3;
 602
 603                 /* Using the cache. */
 604                 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
 605                         arg2 = TMP_REG3;
 606                 else {
 607                         if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
 608                                 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
 609                                 compiler->cache_argw = argw;
 610                                 arg2 = TMP_REG3;
 611                         }
 612                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
 613                                 arg2 = reg;
 614                         else /* It must be a mov operation, so tmp1 must be free to use. */
 615                                 arg2 = TMP_REG1;
 616                         FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2)));
 617                 }
 618         }
 619         else {
 620                 /* Using the cache. */
 621                 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
 622                         if (argw != compiler->cache_argw) {
 623                                 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
 624                                 compiler->cache_argw = argw;
 625                         }
 626                         arg2 = TMP_REG3;
 627                 } else {
 628                         if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
 629                                 compiler->cache_arg = SLJIT_MEM;
 630                                 compiler->cache_argw = argw;
 631                                 arg2 = TMP_REG3;
 632                         }
 633                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
 634                                 arg2 = reg;
 635                         else /* It must be a mov operation, so tmp1 must be free to use. */
 636                                 arg2 = TMP_REG1;
 637                         FAIL_IF(load_immediate(compiler, arg2, argw));
 638                 }
 639         }
 640
 641         dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg));
 642         delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
 643         if (!base)
 644                 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
 645         if (!(flags & WRITE_BACK))
 646                 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
 647         FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot));
 648         return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base));
 649 }
 650
 651 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 652 {
 653         if (getput_arg_fast(compiler, flags, reg, arg, argw))
 654                 return compiler->error;
 655         compiler->cache_arg = 0;
 656         compiler->cache_argw = 0;
 657         return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
 658 }
 659
 660 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)
 661 {
 662         if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
 663                 return compiler->error;
 664         return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
 665 }
 666
 667 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
 668         sljit_s32 dst, sljit_sw dstw,
 669         sljit_s32 src1, sljit_sw src1w,
 670         sljit_s32 src2, sljit_sw src2w)
 671 {
 672         /* arg1 goes to TMP_REG1 or src reg
 673            arg2 goes to TMP_REG2, imm or src reg
 674            TMP_REG3 can be used for caching
 675            result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
 676         sljit_s32 dst_r = TMP_REG2;
 677         sljit_s32 src1_r;
 678         sljit_sw src2_r = 0;
 679         sljit_s32 sugg_src2_r = TMP_REG2;
 680
 681         if (!(flags & ALT_KEEP_CACHE)) {
 682                 compiler->cache_arg = 0;
 683                 compiler->cache_argw = 0;
 684         }
 685
 686         if (dst != SLJIT_UNUSED) {
 687                 if (FAST_IS_REG(dst)) {
 688                         dst_r = dst;
 689                         flags |= REG_DEST;
 690                         if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32)
 691                                 sugg_src2_r = dst_r;
 692                 }
 693                 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
 694                         flags |= SLOW_DEST;
 695         }
 696
 697         if (flags & IMM_OP) {
 698                 if ((src2 & SLJIT_IMM) && src2w) {
 699                         if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
 700                                 flags |= SRC2_IMM;
 701                                 src2_r = src2w;
 702                         }
 703                 }
 704                 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
 705                         if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
 706                                 flags |= SRC2_IMM;
 707                                 src2_r = src1w;
 708
 709                                 /* And swap arguments. */
 710                                 src1 = src2;
 711                                 src1w = src2w;
 712                                 src2 = SLJIT_IMM;
 713                                 /* src2w = src2_r unneeded. */
 714                         }
 715                 }
 716         }
 717
 718         /* Source 1. */
 719         if (FAST_IS_REG(src1))
 720                 src1_r = src1;
 721         else if (src1 & SLJIT_IMM) {
 722                 if (src1w) {
 723                         FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
 724                         src1_r = TMP_REG1;
 725                 }
 726                 else
 727                         src1_r = 0;
 728         }
 729         else {
 730                 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
 731                         FAIL_IF(compiler->error);
 732                 else
 733                         flags |= SLOW_SRC1;
 734                 src1_r = TMP_REG1;
 735         }
 736
 737         /* Source 2. */
 738         if (FAST_IS_REG(src2)) {
 739                 src2_r = src2;
 740                 flags |= REG2_SOURCE;
 741                 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_S32)
 742                         dst_r = src2_r;
 743         }
 744         else if (src2 & SLJIT_IMM) {
 745                 if (!(flags & SRC2_IMM)) {
 746                         if (src2w) {
 747                                 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
 748                                 src2_r = sugg_src2_r;
 749                         }
 750                         else {
 751                                 src2_r = 0;
 752                                 if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) && (dst & SLJIT_MEM))
 753                                         dst_r = 0;
 754                         }
 755                 }
 756         }
 757         else {
 758                 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
 759                         FAIL_IF(compiler->error);
 760                 else
 761                         flags |= SLOW_SRC2;
 762                 src2_r = sugg_src2_r;
 763         }
 764
 765         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
 766                 SLJIT_ASSERT(src2_r == TMP_REG2);
 767                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
 768                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
 769                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 770                 }
 771                 else {
 772                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
 773                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
 774                 }
 775         }
 776         else if (flags & SLOW_SRC1)
 777                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 778         else if (flags & SLOW_SRC2)
 779                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
 780
 781         FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
 782
 783         if (dst & SLJIT_MEM) {
 784                 if (!(flags & SLOW_DEST)) {
 785                         getput_arg_fast(compiler, flags, dst_r, dst, dstw);
 786                         return compiler->error;
 787                 }
 788                 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
 789         }
 790
 791         return SLJIT_SUCCESS;
 792 }
 793
 794 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
 795 {
 796         CHECK_ERROR();
 797         CHECK(check_sljit_emit_op0(compiler, op));
 798
 799         op = GET_OPCODE(op);
 800         switch (op) {
 801         case SLJIT_BREAKPOINT:
 802                 return push_inst(compiler, TA, UNMOVABLE_INS);
 803         case SLJIT_NOP:
 804                 return push_inst(compiler, NOP, UNMOVABLE_INS);
 805         case SLJIT_LMUL_UW:
 806         case SLJIT_LMUL_SW:
 807 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 808                 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 809                 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
 810 #else
 811 #error "Implementation required"
 812 #endif
 813         case SLJIT_DIVMOD_UW:
 814         case SLJIT_DIVMOD_SW:
 815         case SLJIT_DIV_UW:
 816         case SLJIT_DIV_SW:
 817                 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments);
 818 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 819                 if ((op | 0x2) == SLJIT_DIV_UW)
 820                         FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
 821                 else {
 822                         FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
 823                         FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
 824                 }
 825                 if (op <= SLJIT_DIVMOD_SW)
 826                         FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
 827                 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 828                 if (op >= SLJIT_DIV_UW)
 829                         return SLJIT_SUCCESS;
 830                 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
 831                 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
 832 #else
 833 #error "Implementation required"
 834 #endif
 835         }
 836
 837         return SLJIT_SUCCESS;
 838 }
 839
 840 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
 841         sljit_s32 dst, sljit_sw dstw,
 842         sljit_s32 src, sljit_sw srcw)
 843 {
 844         sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
 845
 846         CHECK_ERROR();
 847         CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
 848         ADJUST_LOCAL_OFFSET(dst, dstw);
 849         ADJUST_LOCAL_OFFSET(src, srcw);
 850
 851         if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
 852                 return SLJIT_SUCCESS;
 853
 854         op = GET_OPCODE(op);
 855         switch (op) {
 856         case SLJIT_MOV:
 857         case SLJIT_MOV_P:
 858                 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
 859
 860         case SLJIT_MOV_U32:
 861                 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
 862
 863         case SLJIT_MOV_S32:
 864                 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
 865
 866         case SLJIT_MOV_U8:
 867                 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
 868
 869         case SLJIT_MOV_S8:
 870                 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);
 871
 872         case SLJIT_MOV_U16:
 873                 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
 874
 875         case SLJIT_MOV_S16:
 876                 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);
 877
 878         case SLJIT_MOVU:
 879         case SLJIT_MOVU_P:
 880                 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
 881
 882         case SLJIT_MOVU_U32:
 883                 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
 884
 885         case SLJIT_MOVU_S32:
 886                 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
 887
 888         case SLJIT_MOVU_U8:
 889                 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);
 890
 891         case SLJIT_MOVU_S8:
 892                 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);
 893
 894         case SLJIT_MOVU_U16:
 895                 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);
 896
 897         case SLJIT_MOVU_S16:
 898                 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);
 899
 900         case SLJIT_NOT:
 901         case SLJIT_CLZ:
 902                 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
 903
 904         case SLJIT_NEG:
 905                 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
 906         }
 907
 908         return SLJIT_SUCCESS;
 909 }
 910
 911 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
 912         sljit_s32 dst, sljit_sw dstw,
 913         sljit_s32 src1, sljit_sw src1w,
 914         sljit_s32 src2, sljit_sw src2w)
 915 {
 916         sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
 917
 918         CHECK_ERROR();
 919         CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
 920         ADJUST_LOCAL_OFFSET(dst, dstw);
 921         ADJUST_LOCAL_OFFSET(src1, src1w);
 922         ADJUST_LOCAL_OFFSET(src2, src2w);
 923
 924         if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
 925                 return SLJIT_SUCCESS;
 926
 927         op = GET_OPCODE(op);
 928         switch (op) {
 929         case SLJIT_ADD:
 930         case SLJIT_ADDC:
 931         case SLJIT_MUL:
 932         case SLJIT_AND:
 933         case SLJIT_OR:
 934         case SLJIT_XOR:
 935                 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
 936
 937         case SLJIT_SUB:
 938         case SLJIT_SUBC:
 939                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
 940
 941         case SLJIT_SHL:
 942         case SLJIT_LSHR:
 943         case SLJIT_ASHR:
 944 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 945                 if (src2 & SLJIT_IMM)
 946                         src2w &= 0x1f;
 947 #else
 948                 SLJIT_UNREACHABLE();
 949 #endif
 950                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
 951         }
 952
 953         return SLJIT_SUCCESS;
 954 }
 955
 956 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
 957 {
 958         CHECK_REG_INDEX(check_sljit_get_register_index(reg));
 959         return reg_map[reg];
 960 }
 961
 962 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
 963 {
 964         CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
 965         return reg << 1;
 966 }
 967
 968 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
 969         void *instruction, sljit_s32 size)
 970 {
 971         CHECK_ERROR();
 972         CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
 973
 974         return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
 975 }
 976
 977 /* --------------------------------------------------------------------- */
 978 /*  Floating point operators                                             */
 979 /* --------------------------------------------------------------------- */
 980
 981 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7))
 982 #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double)
 983 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
 984
 985 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
 986         sljit_s32 dst, sljit_sw dstw,
 987         sljit_s32 src, sljit_sw srcw)
 988 {
 989         if (src & SLJIT_MEM) {
 990                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
 991                 src = TMP_FREG1;
 992         }
 993         else
 994                 src <<= 1;
 995
 996         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | DA(TMP_FREG1) | S2A(src), MOVABLE_INS));
 997
 998         if (FAST_IS_REG(dst)) {
 999                 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));
1000                 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);
1001         }
1002
1003         /* Store the integer value from a VFP register. */
1004         return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
1005 }
1006
1007 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
1008         sljit_s32 dst, sljit_sw dstw,
1009         sljit_s32 src, sljit_sw srcw)
1010 {
1011         sljit_s32 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1;
1012
1013         if (src & SLJIT_IMM) {
1014 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
1015                 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
1016                         srcw = (sljit_s32)srcw;
1017 #endif
1018                 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
1019                 src = TMP_REG1;
1020                 srcw = 0;
1021         }
1022
1023         if (FAST_IS_REG(src)) {
1024                 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));
1025                 src = SLJIT_MEM1(SLJIT_SP);
1026                 srcw = FLOAT_TMP_MEM_OFFSET;
1027         }
1028
1029         FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1030         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | DA(dst_r) | S2A(TMP_FREG1), MOVABLE_INS));
1031
1032         if (dst & SLJIT_MEM)
1033                 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
1034         return SLJIT_SUCCESS;
1035 }
1036
1037 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1038         sljit_s32 src1, sljit_sw src1w,
1039         sljit_s32 src2, sljit_sw src2w)
1040 {
1041         if (src1 & SLJIT_MEM) {
1042                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1043                 src1 = TMP_FREG1;
1044         }
1045         else
1046                 src1 <<= 1;
1047
1048         if (src2 & SLJIT_MEM) {
1049                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
1050                 src2 = TMP_FREG2;
1051         }
1052         else
1053                 src2 <<= 1;
1054
1055         return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(src1) | S2A(src2), FCC_IS_SET | MOVABLE_INS);
1056 }
1057
1058 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1059         sljit_s32 dst, sljit_sw dstw,
1060         sljit_s32 src, sljit_sw srcw)
1061 {
1062         sljit_s32 dst_r;
1063
1064         CHECK_ERROR();
1065         compiler->cache_arg = 0;
1066         compiler->cache_argw = 0;
1067
1068         SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
1069         SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1070
1071         if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1072                 op ^= SLJIT_F32_OP;
1073
1074         dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1;
1075
1076         if (src & SLJIT_MEM) {
1077                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
1078                 src = dst_r;
1079         }
1080         else
1081                 src <<= 1;
1082
1083         switch (GET_OPCODE(op)) {
1084         case SLJIT_MOV_F64:
1085                 if (src != dst_r) {
1086                         if (dst_r != TMP_FREG1) {
1087                                 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r) | S2A(src), MOVABLE_INS));
1088                                 if (!(op & SLJIT_F32_OP))
1089                                         FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
1090                         }
1091                         else
1092                                 dst_r = src;
1093                 }
1094                 break;
1095         case SLJIT_NEG_F64:
1096                 FAIL_IF(push_inst(compiler, FNEGS | DA(dst_r) | S2A(src), MOVABLE_INS));
1097                 if (dst_r != src && !(op & SLJIT_F32_OP))
1098                         FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
1099                 break;
1100         case SLJIT_ABS_F64:
1101                 FAIL_IF(push_inst(compiler, FABSS | DA(dst_r) | S2A(src), MOVABLE_INS));
1102                 if (dst_r != src && !(op & SLJIT_F32_OP))
1103                         FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
1104                 break;
1105         case SLJIT_CONV_F64_FROM_F32:
1106                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | DA(dst_r) | S2A(src), MOVABLE_INS));
1107                 op ^= SLJIT_F32_OP;
1108                 break;
1109         }
1110
1111         if (dst & SLJIT_MEM)
1112                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
1113         return SLJIT_SUCCESS;
1114 }
1115
1116 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1117         sljit_s32 dst, sljit_sw dstw,
1118         sljit_s32 src1, sljit_sw src1w,
1119         sljit_s32 src2, sljit_sw src2w)
1120 {
1121         sljit_s32 dst_r, flags = 0;
1122
1123         CHECK_ERROR();
1124         CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1125         ADJUST_LOCAL_OFFSET(dst, dstw);
1126         ADJUST_LOCAL_OFFSET(src1, src1w);
1127         ADJUST_LOCAL_OFFSET(src2, src2w);
1128
1129         compiler->cache_arg = 0;
1130         compiler->cache_argw = 0;
1131
1132         dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2;
1133
1134         if (src1 & SLJIT_MEM) {
1135                 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1136                         FAIL_IF(compiler->error);
1137                         src1 = TMP_FREG1;
1138                 } else
1139                         flags |= SLOW_SRC1;
1140         }
1141         else
1142                 src1 <<= 1;
1143
1144         if (src2 & SLJIT_MEM) {
1145                 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
1146                         FAIL_IF(compiler->error);
1147                         src2 = TMP_FREG2;
1148                 } else
1149                         flags |= SLOW_SRC2;
1150         }
1151         else
1152                 src2 <<= 1;
1153
1154         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1155                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1156                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1157                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1158                 }
1159                 else {
1160                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1161                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1162                 }
1163         }
1164         else if (flags & SLOW_SRC1)
1165                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1166         else if (flags & SLOW_SRC2)
1167                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1168
1169         if (flags & SLOW_SRC1)
1170                 src1 = TMP_FREG1;
1171         if (flags & SLOW_SRC2)
1172                 src2 = TMP_FREG2;
1173
1174         switch (GET_OPCODE(op)) {
1175         case SLJIT_ADD_F64:
1176                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1177                 break;
1178
1179         case SLJIT_SUB_F64:
1180                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1181                 break;
1182
1183         case SLJIT_MUL_F64:
1184                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1185                 break;
1186
1187         case SLJIT_DIV_F64:
1188                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
1189                 break;
1190         }
1191
1192         if (dst_r == TMP_FREG2)
1193                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1194
1195         return SLJIT_SUCCESS;
1196 }
1197
1198 #undef FLOAT_DATA
1199 #undef SELECT_FOP
1200
1201 /* --------------------------------------------------------------------- */
1202 /*  Other instructions                                                   */
1203 /* --------------------------------------------------------------------- */
1204
1205 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1206 {
1207         CHECK_ERROR();
1208         CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1209         ADJUST_LOCAL_OFFSET(dst, dstw);
1210
1211         if (FAST_IS_REG(dst))
1212                 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst));
1213
1214         /* Memory. */
1215         return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw);
1216 }
1217
1218 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
1219 {
1220         CHECK_ERROR();
1221         CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
1222         ADJUST_LOCAL_OFFSET(src, srcw);
1223
1224         if (FAST_IS_REG(src))
1225                 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
1226         else if (src & SLJIT_MEM)
1227                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
1228         else if (src & SLJIT_IMM)
1229                 FAIL_IF(load_immediate(compiler, TMP_LINK, srcw));
1230
1231         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
1232         return push_inst(compiler, NOP, UNMOVABLE_INS);
1233 }
1234
1235 /* --------------------------------------------------------------------- */
1236 /*  Conditional instructions                                             */
1237 /* --------------------------------------------------------------------- */
1238
1239 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1240 {
1241         struct sljit_label *label;
1242
1243         CHECK_ERROR_PTR();
1244         CHECK_PTR(check_sljit_emit_label(compiler));
1245
1246         if (compiler->last_label && compiler->last_label->size == compiler->size)
1247                 return compiler->last_label;
1248
1249         label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1250         PTR_FAIL_IF(!label);
1251         set_label(label, compiler);
1252         compiler->delay_slot = UNMOVABLE_INS;
1253         return label;
1254 }
1255
1256 static sljit_ins get_cc(sljit_s32 type)
1257 {
1258         switch (type) {
1259         case SLJIT_EQUAL:
1260         case SLJIT_MUL_NOT_OVERFLOW:
1261         case SLJIT_NOT_EQUAL_F64: /* Unordered. */
1262                 return DA(0x1);
1263
1264         case SLJIT_NOT_EQUAL:
1265         case SLJIT_MUL_OVERFLOW:
1266         case SLJIT_EQUAL_F64:
1267                 return DA(0x9);
1268
1269         case SLJIT_LESS:
1270         case SLJIT_GREATER_F64: /* Unordered. */
1271                 return DA(0x5);
1272
1273         case SLJIT_GREATER_EQUAL:
1274         case SLJIT_LESS_EQUAL_F64:
1275                 return DA(0xd);
1276
1277         case SLJIT_GREATER:
1278         case SLJIT_GREATER_EQUAL_F64: /* Unordered. */
1279                 return DA(0xc);
1280
1281         case SLJIT_LESS_EQUAL:
1282         case SLJIT_LESS_F64:
1283                 return DA(0x4);
1284
1285         case SLJIT_SIG_LESS:
1286                 return DA(0x3);
1287
1288         case SLJIT_SIG_GREATER_EQUAL:
1289                 return DA(0xb);
1290
1291         case SLJIT_SIG_GREATER:
1292                 return DA(0xa);
1293
1294         case SLJIT_SIG_LESS_EQUAL:
1295                 return DA(0x2);
1296
1297         case SLJIT_OVERFLOW:
1298         case SLJIT_UNORDERED_F64:
1299                 return DA(0x7);
1300
1301         case SLJIT_NOT_OVERFLOW:
1302         case SLJIT_ORDERED_F64:
1303                 return DA(0xf);
1304
1305         default:
1306                 SLJIT_UNREACHABLE();
1307                 return DA(0x8);
1308         }
1309 }
1310
1311 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1312 {
1313         struct sljit_jump *jump;
1314
1315         CHECK_ERROR_PTR();
1316         CHECK_PTR(check_sljit_emit_jump(compiler, type));
1317
1318         jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1319         PTR_FAIL_IF(!jump);
1320         set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1321         type &= 0xff;
1322
1323         if (type < SLJIT_EQUAL_F64) {
1324                 jump->flags |= IS_COND;
1325                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1326                         jump->flags |= IS_MOVABLE;
1327 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1328                 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1329 #else
1330 #error "Implementation required"
1331 #endif
1332         }
1333         else if (type < SLJIT_JUMP) {
1334                 jump->flags |= IS_COND;
1335                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1336                         jump->flags |= IS_MOVABLE;
1337 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1338                 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1339 #else
1340 #error "Implementation required"
1341 #endif
1342         } else {
1343                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1344                         jump->flags |= IS_MOVABLE;
1345                 if (type >= SLJIT_FAST_CALL)
1346                         jump->flags |= IS_CALL;
1347         }
1348
1349         PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0));
1350         PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS));
1351         jump->addr = compiler->size;
1352         PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1353
1354         return jump;
1355 }
1356
1357 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1358 {
1359         struct sljit_jump *jump = NULL;
1360         sljit_s32 src_r;
1361
1362         CHECK_ERROR();
1363         CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1364         ADJUST_LOCAL_OFFSET(src, srcw);
1365
1366         if (FAST_IS_REG(src))
1367                 src_r = src;
1368         else if (src & SLJIT_IMM) {
1369                 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1370                 FAIL_IF(!jump);
1371                 set_jump(jump, compiler, JUMP_ADDR);
1372                 jump->u.target = srcw;
1373                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1374                         jump->flags |= IS_MOVABLE;
1375                 if (type >= SLJIT_FAST_CALL)
1376                         jump->flags |= IS_CALL;
1377
1378                 FAIL_IF(emit_const(compiler, TMP_REG2, 0));
1379                 src_r = TMP_REG2;
1380         }
1381         else {
1382                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw));
1383                 src_r = TMP_REG2;
1384         }
1385
1386         FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1387         if (jump)
1388                 jump->addr = compiler->size;
1389         return push_inst(compiler, NOP, UNMOVABLE_INS);
1390 }
1391
1392 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1393         sljit_s32 dst, sljit_sw dstw,
1394         sljit_s32 src, sljit_sw srcw,
1395         sljit_s32 type)
1396 {
1397         sljit_s32 reg, flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1398
1399         CHECK_ERROR();
1400         CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type));
1401         ADJUST_LOCAL_OFFSET(dst, dstw);
1402
1403 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1404         op = GET_OPCODE(op);
1405         reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1406
1407         compiler->cache_arg = 0;
1408         compiler->cache_argw = 0;
1409         if (op >= SLJIT_ADD && (src & SLJIT_MEM)) {
1410                 ADJUST_LOCAL_OFFSET(src, srcw);
1411                 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw));
1412                 src = TMP_REG1;
1413                 srcw = 0;
1414         }
1415
1416         type &= 0xff;
1417         if (type < SLJIT_EQUAL_F64)
1418                 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
1419         else
1420                 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
1421
1422         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1423         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1424
1425         if (op >= SLJIT_ADD)
1426                 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0);
1427
1428         return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS;
1429 #else
1430 #error "Implementation required"
1431 #endif
1432 }
1433
1434 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
1435         sljit_s32 dst_reg,
1436         sljit_s32 src, sljit_sw srcw)
1437 {
1438         CHECK_ERROR();
1439         CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw));
1440
1441 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1442         return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);;
1443 #else
1444 #error "Implementation required"
1445 #endif
1446 }
1447
1448 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1449 {
1450         sljit_s32 reg;
1451         struct sljit_const *const_;
1452
1453         CHECK_ERROR_PTR();
1454         CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
1455         ADJUST_LOCAL_OFFSET(dst, dstw);
1456
1457         const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1458         PTR_FAIL_IF(!const_);
1459         set_const(const_, compiler);
1460
1461         reg = FAST_IS_REG(dst) ? dst : TMP_REG2;
1462
1463         PTR_FAIL_IF(emit_const(compiler, reg, init_value));
1464
1465         if (dst & SLJIT_MEM)
1466                 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1467         return const_;
1468 }