src/external/pcre2-10.32/src/sljit/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 /* This register is modified by calls, which affects the instruction
  94    in the delay slot if it is used as a source register. */
  95 #define TMP_LINK        (SLJIT_NUMBER_OF_REGISTERS + 5)
  96
  97 #define TMP_FREG1       (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1)
  98 #define TMP_FREG2       (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2)
  99
 100 static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = {
 101         0, 8, 9, 10, 11, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 12, 13, 15
 102 };
 103
 104 static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = {
 105         0, 0, 2, 4, 6, 8, 10, 12, 14
 106 };
 107
 108 /* --------------------------------------------------------------------- */
 109 /*  Instrucion forms                                                     */
 110 /* --------------------------------------------------------------------- */
 111
 112 #define D(d)            (reg_map[d] << 25)
 113 #define FD(d)           (freg_map[d] << 25)
 114 #define FDN(d)          ((freg_map[d] | 0x1) << 25)
 115 #define DA(d)           ((d) << 25)
 116 #define S1(s1)          (reg_map[s1] << 14)
 117 #define FS1(s1)         (freg_map[s1] << 14)
 118 #define S1A(s1)         ((s1) << 14)
 119 #define S2(s2)          (reg_map[s2])
 120 #define FS2(s2)         (freg_map[s2])
 121 #define FS2N(s2)        (freg_map[s2] | 0x1)
 122 #define S2A(s2)         (s2)
 123 #define IMM_ARG         0x2000
 124 #define DOP(op)         ((op) << 5)
 125 #define IMM(imm)        (((imm) & 0x1fff) | IMM_ARG)
 126
 127 #define DR(dr)          (reg_map[dr])
 128 #define OPC1(opcode)    ((opcode) << 30)
 129 #define OPC2(opcode)    ((opcode) << 22)
 130 #define OPC3(opcode)    ((opcode) << 19)
 131 #define SET_FLAGS       OPC3(0x10)
 132
 133 #define ADD             (OPC1(0x2) | OPC3(0x00))
 134 #define ADDC            (OPC1(0x2) | OPC3(0x08))
 135 #define AND             (OPC1(0x2) | OPC3(0x01))
 136 #define ANDN            (OPC1(0x2) | OPC3(0x05))
 137 #define CALL            (OPC1(0x1))
 138 #define FABSS           (OPC1(0x2) | OPC3(0x34) | DOP(0x09))
 139 #define FADDD           (OPC1(0x2) | OPC3(0x34) | DOP(0x42))
 140 #define FADDS           (OPC1(0x2) | OPC3(0x34) | DOP(0x41))
 141 #define FCMPD           (OPC1(0x2) | OPC3(0x35) | DOP(0x52))
 142 #define FCMPS           (OPC1(0x2) | OPC3(0x35) | DOP(0x51))
 143 #define FDIVD           (OPC1(0x2) | OPC3(0x34) | DOP(0x4e))
 144 #define FDIVS           (OPC1(0x2) | OPC3(0x34) | DOP(0x4d))
 145 #define FDTOI           (OPC1(0x2) | OPC3(0x34) | DOP(0xd2))
 146 #define FDTOS           (OPC1(0x2) | OPC3(0x34) | DOP(0xc6))
 147 #define FITOD           (OPC1(0x2) | OPC3(0x34) | DOP(0xc8))
 148 #define FITOS           (OPC1(0x2) | OPC3(0x34) | DOP(0xc4))
 149 #define FMOVS           (OPC1(0x2) | OPC3(0x34) | DOP(0x01))
 150 #define FMULD           (OPC1(0x2) | OPC3(0x34) | DOP(0x4a))
 151 #define FMULS           (OPC1(0x2) | OPC3(0x34) | DOP(0x49))
 152 #define FNEGS           (OPC1(0x2) | OPC3(0x34) | DOP(0x05))
 153 #define FSTOD           (OPC1(0x2) | OPC3(0x34) | DOP(0xc9))
 154 #define FSTOI           (OPC1(0x2) | OPC3(0x34) | DOP(0xd1))
 155 #define FSUBD           (OPC1(0x2) | OPC3(0x34) | DOP(0x46))
 156 #define FSUBS           (OPC1(0x2) | OPC3(0x34) | DOP(0x45))
 157 #define JMPL            (OPC1(0x2) | OPC3(0x38))
 158 #define LDD             (OPC1(0x3) | OPC3(0x03))
 159 #define LDUW            (OPC1(0x3) | OPC3(0x00))
 160 #define NOP             (OPC1(0x0) | OPC2(0x04))
 161 #define OR              (OPC1(0x2) | OPC3(0x02))
 162 #define ORN             (OPC1(0x2) | OPC3(0x06))
 163 #define RDY             (OPC1(0x2) | OPC3(0x28) | S1A(0))
 164 #define RESTORE         (OPC1(0x2) | OPC3(0x3d))
 165 #define SAVE            (OPC1(0x2) | OPC3(0x3c))
 166 #define SETHI           (OPC1(0x0) | OPC2(0x04))
 167 #define SLL             (OPC1(0x2) | OPC3(0x25))
 168 #define SLLX            (OPC1(0x2) | OPC3(0x25) | (1 << 12))
 169 #define SRA             (OPC1(0x2) | OPC3(0x27))
 170 #define SRAX            (OPC1(0x2) | OPC3(0x27) | (1 << 12))
 171 #define SRL             (OPC1(0x2) | OPC3(0x26))
 172 #define SRLX            (OPC1(0x2) | OPC3(0x26) | (1 << 12))
 173 #define STDF            (OPC1(0x3) | OPC3(0x27))
 174 #define STF             (OPC1(0x3) | OPC3(0x24))
 175 #define STW             (OPC1(0x3) | OPC3(0x04))
 176 #define SUB             (OPC1(0x2) | OPC3(0x04))
 177 #define SUBC            (OPC1(0x2) | OPC3(0x0c))
 178 #define TA              (OPC1(0x2) | OPC3(0x3a) | (8 << 25))
 179 #define WRY             (OPC1(0x2) | OPC3(0x30) | DA(0))
 180 #define XOR             (OPC1(0x2) | OPC3(0x03))
 181 #define XNOR            (OPC1(0x2) | OPC3(0x07))
 182
 183 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 184 #define MAX_DISP        (0x1fffff)
 185 #define MIN_DISP        (-0x200000)
 186 #define DISP_MASK       (0x3fffff)
 187
 188 #define BICC            (OPC1(0x0) | OPC2(0x2))
 189 #define FBFCC           (OPC1(0x0) | OPC2(0x6))
 190 #define SLL_W           SLL
 191 #define SDIV            (OPC1(0x2) | OPC3(0x0f))
 192 #define SMUL            (OPC1(0x2) | OPC3(0x0b))
 193 #define UDIV            (OPC1(0x2) | OPC3(0x0e))
 194 #define UMUL            (OPC1(0x2) | OPC3(0x0a))
 195 #else
 196 #define SLL_W           SLLX
 197 #endif
 198
 199 #define SIMM_MAX        (0x0fff)
 200 #define SIMM_MIN        (-0x1000)
 201
 202 /* dest_reg is the absolute name of the register
 203    Useful for reordering instructions in the delay slot. */
 204 static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot)
 205 {
 206         sljit_ins *ptr;
 207         SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS
 208                 || (delay_slot & DST_INS_MASK) == MOVABLE_INS
 209                 || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f));
 210         ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
 211         FAIL_IF(!ptr);
 212         *ptr = ins;
 213         compiler->size++;
 214         compiler->delay_slot = delay_slot;
 215         return SLJIT_SUCCESS;
 216 }
 217
 218 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset)
 219 {
 220         sljit_sw diff;
 221         sljit_uw target_addr;
 222         sljit_ins *inst;
 223         sljit_ins saved_inst;
 224
 225         if (jump->flags & SLJIT_REWRITABLE_JUMP)
 226                 return code_ptr;
 227
 228         if (jump->flags & JUMP_ADDR)
 229                 target_addr = jump->u.target;
 230         else {
 231                 SLJIT_ASSERT(jump->flags & JUMP_LABEL);
 232                 target_addr = (sljit_uw)(code + jump->u.label->size) + (sljit_uw)executable_offset;
 233         }
 234         inst = (sljit_ins*)jump->addr;
 235
 236 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 237         if (jump->flags & IS_CALL) {
 238                 /* Call is always patchable on sparc 32. */
 239                 jump->flags |= PATCH_CALL;
 240                 if (jump->flags & IS_MOVABLE) {
 241                         inst[0] = inst[-1];
 242                         inst[-1] = CALL;
 243                         jump->addr -= sizeof(sljit_ins);
 244                         return inst;
 245                 }
 246                 inst[0] = CALL;
 247                 inst[1] = NOP;
 248                 return inst + 1;
 249         }
 250 #else
 251         /* Both calls and BPr instructions shall not pass this point. */
 252 #error "Implementation required"
 253 #endif
 254
 255         if (jump->flags & IS_COND)
 256                 inst--;
 257
 258         diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1) - executable_offset) >> 2;
 259
 260         if (jump->flags & IS_MOVABLE) {
 261                 if (diff <= MAX_DISP && diff >= MIN_DISP) {
 262                         jump->flags |= PATCH_B;
 263                         inst--;
 264                         if (jump->flags & IS_COND) {
 265                                 saved_inst = inst[0];
 266                                 inst[0] = inst[1] ^ (1 << 28);
 267                                 inst[1] = saved_inst;
 268                         } else {
 269                                 inst[1] = inst[0];
 270                                 inst[0] = BICC | DA(0x8);
 271                         }
 272                         jump->addr = (sljit_uw)inst;
 273                         return inst + 1;
 274                 }
 275         }
 276
 277         diff += sizeof(sljit_ins);
 278
 279         if (diff <= MAX_DISP && diff >= MIN_DISP) {
 280                 jump->flags |= PATCH_B;
 281                 if (jump->flags & IS_COND)
 282                         inst[0] ^= (1 << 28);
 283                 else
 284                         inst[0] = BICC | DA(0x8);
 285                 inst[1] = NOP;
 286                 jump->addr = (sljit_uw)inst;
 287                 return inst + 1;
 288         }
 289
 290         return code_ptr;
 291 }
 292
 293 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
 294 {
 295         struct sljit_memory_fragment *buf;
 296         sljit_ins *code;
 297         sljit_ins *code_ptr;
 298         sljit_ins *buf_ptr;
 299         sljit_ins *buf_end;
 300         sljit_uw word_count;
 301         sljit_sw executable_offset;
 302         sljit_uw addr;
 303
 304         struct sljit_label *label;
 305         struct sljit_jump *jump;
 306         struct sljit_const *const_;
 307
 308         CHECK_ERROR_PTR();
 309         CHECK_PTR(check_sljit_generate_code(compiler));
 310         reverse_buf(compiler);
 311
 312         code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
 313         PTR_FAIL_WITH_EXEC_IF(code);
 314         buf = compiler->buf;
 315
 316         code_ptr = code;
 317         word_count = 0;
 318         executable_offset = SLJIT_EXEC_OFFSET(code);
 319
 320         label = compiler->labels;
 321         jump = compiler->jumps;
 322         const_ = compiler->consts;
 323
 324         do {
 325                 buf_ptr = (sljit_ins*)buf->memory;
 326                 buf_end = buf_ptr + (buf->used_size >> 2);
 327                 do {
 328                         *code_ptr = *buf_ptr++;
 329                         SLJIT_ASSERT(!label || label->size >= word_count);
 330                         SLJIT_ASSERT(!jump || jump->addr >= word_count);
 331                         SLJIT_ASSERT(!const_ || const_->addr >= word_count);
 332                         /* These structures are ordered by their address. */
 333                         if (label && label->size == word_count) {
 334                                 /* Just recording the address. */
 335                                 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
 336                                 label->size = code_ptr - code;
 337                                 label = label->next;
 338                         }
 339                         if (jump && jump->addr == word_count) {
 340 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 341                                 jump->addr = (sljit_uw)(code_ptr - 3);
 342 #else
 343                                 jump->addr = (sljit_uw)(code_ptr - 6);
 344 #endif
 345                                 code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset);
 346                                 jump = jump->next;
 347                         }
 348                         if (const_ && const_->addr == word_count) {
 349                                 /* Just recording the address. */
 350                                 const_->addr = (sljit_uw)code_ptr;
 351                                 const_ = const_->next;
 352                         }
 353                         code_ptr ++;
 354                         word_count ++;
 355                 } while (buf_ptr < buf_end);
 356
 357                 buf = buf->next;
 358         } while (buf);
 359
 360         if (label && label->size == word_count) {
 361                 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
 362                 label->size = code_ptr - code;
 363                 label = label->next;
 364         }
 365
 366         SLJIT_ASSERT(!label);
 367         SLJIT_ASSERT(!jump);
 368         SLJIT_ASSERT(!const_);
 369         SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size);
 370
 371         jump = compiler->jumps;
 372         while (jump) {
 373                 do {
 374                         addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
 375                         buf_ptr = (sljit_ins *)jump->addr;
 376
 377                         if (jump->flags & PATCH_CALL) {
 378                                 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
 379                                 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000);
 380                                 buf_ptr[0] = CALL | (addr & 0x3fffffff);
 381                                 break;
 382                         }
 383                         if (jump->flags & PATCH_B) {
 384                                 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
 385                                 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP);
 386                                 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK);
 387                                 break;
 388                         }
 389
 390                         /* Set the fields of immediate loads. */
 391 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 392                         buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff);
 393                         buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff);
 394 #else
 395 #error "Implementation required"
 396 #endif
 397                 } while (0);
 398                 jump = jump->next;
 399         }
 400
 401
 402         compiler->error = SLJIT_ERR_COMPILED;
 403         compiler->executable_offset = executable_offset;
 404         compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
 405
 406         code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset);
 407         code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
 408
 409         SLJIT_CACHE_FLUSH(code, code_ptr);
 410         return code;
 411 }
 412
 413 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
 414 {
 415         switch (feature_type) {
 416         case SLJIT_HAS_FPU:
 417 #ifdef SLJIT_IS_FPU_AVAILABLE
 418                 return SLJIT_IS_FPU_AVAILABLE;
 419 #else
 420                 /* Available by default. */
 421                 return 1;
 422 #endif
 423
 424 #if (defined SLJIT_CONFIG_SPARC_64 && SLJIT_CONFIG_SPARC_64)
 425         case SLJIT_HAS_CMOV:
 426                 return 1;
 427 #endif
 428
 429         default:
 430                 return 0;
 431         }
 432 }
 433
 434 /* --------------------------------------------------------------------- */
 435 /*  Entry, exit                                                          */
 436 /* --------------------------------------------------------------------- */
 437
 438 /* Creates an index in data_transfer_insts array. */
 439 #define LOAD_DATA       0x01
 440 #define WORD_DATA       0x00
 441 #define BYTE_DATA       0x02
 442 #define HALF_DATA       0x04
 443 #define INT_DATA        0x06
 444 #define SIGNED_DATA     0x08
 445 /* Separates integer and floating point registers */
 446 #define GPR_REG         0x0f
 447 #define DOUBLE_DATA     0x10
 448 #define SINGLE_DATA     0x12
 449
 450 #define MEM_MASK        0x1f
 451
 452 #define ARG_TEST        0x00020
 453 #define ALT_KEEP_CACHE  0x00040
 454 #define CUMULATIVE_OP   0x00080
 455 #define IMM_OP          0x00100
 456 #define SRC2_IMM        0x00200
 457
 458 #define REG_DEST        0x00400
 459 #define REG2_SOURCE     0x00800
 460 #define SLOW_SRC1       0x01000
 461 #define SLOW_SRC2       0x02000
 462 #define SLOW_DEST       0x04000
 463
 464 /* SET_FLAGS (0x10 << 19) also belong here! */
 465
 466 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 467 #include "sljitNativeSPARC_32.c"
 468 #else
 469 #include "sljitNativeSPARC_64.c"
 470 #endif
 471
 472 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
 473         sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
 474         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 475 {
 476         CHECK_ERROR();
 477         CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
 478         set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
 479
 480         local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 481         compiler->local_size = local_size;
 482
 483         if (local_size <= SIMM_MAX) {
 484                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
 485         }
 486         else {
 487                 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
 488                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
 489         }
 490
 491         /* Arguments are in their appropriate registers. */
 492
 493         return SLJIT_SUCCESS;
 494 }
 495
 496 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
 497         sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
 498         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 499 {
 500         CHECK_ERROR();
 501         CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
 502         set_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
 503
 504         compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 505         return SLJIT_SUCCESS;
 506 }
 507
 508 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
 509 {
 510         CHECK_ERROR();
 511         CHECK(check_sljit_emit_return(compiler, op, src, srcw));
 512
 513         if (op != SLJIT_MOV || !FAST_IS_REG(src)) {
 514                 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
 515                 src = SLJIT_R0;
 516         }
 517
 518         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
 519         return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
 520 }
 521
 522 /* --------------------------------------------------------------------- */
 523 /*  Operators                                                            */
 524 /* --------------------------------------------------------------------- */
 525
 526 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 527 #define ARCH_32_64(a, b)        a
 528 #else
 529 #define ARCH_32_64(a, b)        b
 530 #endif
 531
 532 static const sljit_ins data_transfer_insts[16 + 4] = {
 533 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 534 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 535 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
 536 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
 537 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
 538 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
 539 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
 540 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
 541
 542 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 543 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 544 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
 545 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
 546 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
 547 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
 548 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
 549 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
 550
 551 /* d   s */ OPC1(3) | OPC3(0x27),
 552 /* d   l */ OPC1(3) | OPC3(0x23),
 553 /* s   s */ OPC1(3) | OPC3(0x24),
 554 /* s   l */ OPC1(3) | OPC3(0x20),
 555 };
 556
 557 #undef ARCH_32_64
 558
 559 /* Can perform an operation using at most 1 instruction. */
 560 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 561 {
 562         SLJIT_ASSERT(arg & SLJIT_MEM);
 563
 564         if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
 565                         || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
 566                 /* Works for both absoulte and relative addresses (immediate case). */
 567                 if (SLJIT_UNLIKELY(flags & ARG_TEST))
 568                         return 1;
 569                 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
 570                         | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))
 571                         | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
 572                         ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
 573                 return -1;
 574         }
 575         return 0;
 576 }
 577
 578 /* See getput_arg below.
 579    Note: can_cache is called only for binary operators. Those
 580    operators always uses word arguments without write back. */
 581 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
 582 {
 583         SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
 584
 585         /* Simple operation except for updates. */
 586         if (arg & OFFS_REG_MASK) {
 587                 argw &= 0x3;
 588                 SLJIT_ASSERT(argw);
 589                 next_argw &= 0x3;
 590                 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
 591                         return 1;
 592                 return 0;
 593         }
 594
 595         if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
 596                 return 1;
 597         return 0;
 598 }
 599
 600 /* Emit the necessary instructions. See can_cache above. */
 601 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)
 602 {
 603         sljit_s32 base, arg2, delay_slot;
 604         sljit_ins dest;
 605
 606         SLJIT_ASSERT(arg & SLJIT_MEM);
 607         if (!(next_arg & SLJIT_MEM)) {
 608                 next_arg = 0;
 609                 next_argw = 0;
 610         }
 611
 612         base = arg & REG_MASK;
 613         if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
 614                 argw &= 0x3;
 615
 616                 /* Using the cache. */
 617                 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
 618                         arg2 = TMP_REG3;
 619                 else {
 620                         if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
 621                                 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
 622                                 compiler->cache_argw = argw;
 623                                 arg2 = TMP_REG3;
 624                         }
 625                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
 626                                 arg2 = reg;
 627                         else /* It must be a mov operation, so tmp1 must be free to use. */
 628                                 arg2 = TMP_REG1;
 629                         FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2)));
 630                 }
 631         }
 632         else {
 633                 /* Using the cache. */
 634                 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
 635                         if (argw != compiler->cache_argw) {
 636                                 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
 637                                 compiler->cache_argw = argw;
 638                         }
 639                         arg2 = TMP_REG3;
 640                 } else {
 641                         if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
 642                                 compiler->cache_arg = SLJIT_MEM;
 643                                 compiler->cache_argw = argw;
 644                                 arg2 = TMP_REG3;
 645                         }
 646                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
 647                                 arg2 = reg;
 648                         else /* It must be a mov operation, so tmp1 must be free to use. */
 649                                 arg2 = TMP_REG1;
 650                         FAIL_IF(load_immediate(compiler, arg2, argw));
 651                 }
 652         }
 653
 654         dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg));
 655         delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
 656         if (!base)
 657                 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
 658         return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
 659 }
 660
 661 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 662 {
 663         if (getput_arg_fast(compiler, flags, reg, arg, argw))
 664                 return compiler->error;
 665         compiler->cache_arg = 0;
 666         compiler->cache_argw = 0;
 667         return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
 668 }
 669
 670 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)
 671 {
 672         if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
 673                 return compiler->error;
 674         return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
 675 }
 676
 677 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
 678         sljit_s32 dst, sljit_sw dstw,
 679         sljit_s32 src1, sljit_sw src1w,
 680         sljit_s32 src2, sljit_sw src2w)
 681 {
 682         /* arg1 goes to TMP_REG1 or src reg
 683            arg2 goes to TMP_REG2, imm or src reg
 684            TMP_REG3 can be used for caching
 685            result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
 686         sljit_s32 dst_r = TMP_REG2;
 687         sljit_s32 src1_r;
 688         sljit_sw src2_r = 0;
 689         sljit_s32 sugg_src2_r = TMP_REG2;
 690
 691         if (!(flags & ALT_KEEP_CACHE)) {
 692                 compiler->cache_arg = 0;
 693                 compiler->cache_argw = 0;
 694         }
 695
 696         if (dst != SLJIT_UNUSED) {
 697                 if (FAST_IS_REG(dst)) {
 698                         dst_r = dst;
 699                         flags |= REG_DEST;
 700                         if (op >= SLJIT_MOV && op <= SLJIT_MOV_P)
 701                                 sugg_src2_r = dst_r;
 702                 }
 703                 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
 704                         flags |= SLOW_DEST;
 705         }
 706
 707         if (flags & IMM_OP) {
 708                 if ((src2 & SLJIT_IMM) && src2w) {
 709                         if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
 710                                 flags |= SRC2_IMM;
 711                                 src2_r = src2w;
 712                         }
 713                 }
 714                 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
 715                         if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
 716                                 flags |= SRC2_IMM;
 717                                 src2_r = src1w;
 718
 719                                 /* And swap arguments. */
 720                                 src1 = src2;
 721                                 src1w = src2w;
 722                                 src2 = SLJIT_IMM;
 723                                 /* src2w = src2_r unneeded. */
 724                         }
 725                 }
 726         }
 727
 728         /* Source 1. */
 729         if (FAST_IS_REG(src1))
 730                 src1_r = src1;
 731         else if (src1 & SLJIT_IMM) {
 732                 if (src1w) {
 733                         FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
 734                         src1_r = TMP_REG1;
 735                 }
 736                 else
 737                         src1_r = 0;
 738         }
 739         else {
 740                 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
 741                         FAIL_IF(compiler->error);
 742                 else
 743                         flags |= SLOW_SRC1;
 744                 src1_r = TMP_REG1;
 745         }
 746
 747         /* Source 2. */
 748         if (FAST_IS_REG(src2)) {
 749                 src2_r = src2;
 750                 flags |= REG2_SOURCE;
 751                 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOV_P)
 752                         dst_r = src2_r;
 753         }
 754         else if (src2 & SLJIT_IMM) {
 755                 if (!(flags & SRC2_IMM)) {
 756                         if (src2w) {
 757                                 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
 758                                 src2_r = sugg_src2_r;
 759                         }
 760                         else {
 761                                 src2_r = 0;
 762                                 if ((op >= SLJIT_MOV && op <= SLJIT_MOV_P) && (dst & SLJIT_MEM))
 763                                         dst_r = 0;
 764                         }
 765                 }
 766         }
 767         else {
 768                 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
 769                         FAIL_IF(compiler->error);
 770                 else
 771                         flags |= SLOW_SRC2;
 772                 src2_r = sugg_src2_r;
 773         }
 774
 775         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
 776                 SLJIT_ASSERT(src2_r == TMP_REG2);
 777                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
 778                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
 779                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 780                 }
 781                 else {
 782                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
 783                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
 784                 }
 785         }
 786         else if (flags & SLOW_SRC1)
 787                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 788         else if (flags & SLOW_SRC2)
 789                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
 790
 791         FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
 792
 793         if (dst & SLJIT_MEM) {
 794                 if (!(flags & SLOW_DEST)) {
 795                         getput_arg_fast(compiler, flags, dst_r, dst, dstw);
 796                         return compiler->error;
 797                 }
 798                 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
 799         }
 800
 801         return SLJIT_SUCCESS;
 802 }
 803
 804 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
 805 {
 806         CHECK_ERROR();
 807         CHECK(check_sljit_emit_op0(compiler, op));
 808
 809         op = GET_OPCODE(op);
 810         switch (op) {
 811         case SLJIT_BREAKPOINT:
 812                 return push_inst(compiler, TA, UNMOVABLE_INS);
 813         case SLJIT_NOP:
 814                 return push_inst(compiler, NOP, UNMOVABLE_INS);
 815         case SLJIT_LMUL_UW:
 816         case SLJIT_LMUL_SW:
 817 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 818                 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 819                 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
 820 #else
 821 #error "Implementation required"
 822 #endif
 823         case SLJIT_DIVMOD_UW:
 824         case SLJIT_DIVMOD_SW:
 825         case SLJIT_DIV_UW:
 826         case SLJIT_DIV_SW:
 827                 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments);
 828 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 829                 if ((op | 0x2) == SLJIT_DIV_UW)
 830                         FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
 831                 else {
 832                         FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
 833                         FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
 834                 }
 835                 if (op <= SLJIT_DIVMOD_SW)
 836                         FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
 837                 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 838                 if (op >= SLJIT_DIV_UW)
 839                         return SLJIT_SUCCESS;
 840                 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
 841                 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
 842 #else
 843 #error "Implementation required"
 844 #endif
 845         }
 846
 847         return SLJIT_SUCCESS;
 848 }
 849
 850 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
 851         sljit_s32 dst, sljit_sw dstw,
 852         sljit_s32 src, sljit_sw srcw)
 853 {
 854         sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
 855
 856         CHECK_ERROR();
 857         CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
 858         ADJUST_LOCAL_OFFSET(dst, dstw);
 859         ADJUST_LOCAL_OFFSET(src, srcw);
 860
 861         if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
 862                 return SLJIT_SUCCESS;
 863
 864         op = GET_OPCODE(op);
 865         switch (op) {
 866         case SLJIT_MOV:
 867         case SLJIT_MOV_P:
 868                 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
 869
 870         case SLJIT_MOV_U32:
 871                 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
 872
 873         case SLJIT_MOV_S32:
 874                 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
 875
 876         case SLJIT_MOV_U8:
 877                 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
 878
 879         case SLJIT_MOV_S8:
 880                 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);
 881
 882         case SLJIT_MOV_U16:
 883                 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
 884
 885         case SLJIT_MOV_S16:
 886                 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);
 887
 888         case SLJIT_NOT:
 889         case SLJIT_CLZ:
 890                 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
 891
 892         case SLJIT_NEG:
 893                 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
 894         }
 895
 896         return SLJIT_SUCCESS;
 897 }
 898
 899 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
 900         sljit_s32 dst, sljit_sw dstw,
 901         sljit_s32 src1, sljit_sw src1w,
 902         sljit_s32 src2, sljit_sw src2w)
 903 {
 904         sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
 905
 906         CHECK_ERROR();
 907         CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
 908         ADJUST_LOCAL_OFFSET(dst, dstw);
 909         ADJUST_LOCAL_OFFSET(src1, src1w);
 910         ADJUST_LOCAL_OFFSET(src2, src2w);
 911
 912         if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
 913                 return SLJIT_SUCCESS;
 914
 915         op = GET_OPCODE(op);
 916         switch (op) {
 917         case SLJIT_ADD:
 918         case SLJIT_ADDC:
 919         case SLJIT_MUL:
 920         case SLJIT_AND:
 921         case SLJIT_OR:
 922         case SLJIT_XOR:
 923                 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
 924
 925         case SLJIT_SUB:
 926         case SLJIT_SUBC:
 927                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
 928
 929         case SLJIT_SHL:
 930         case SLJIT_LSHR:
 931         case SLJIT_ASHR:
 932 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 933                 if (src2 & SLJIT_IMM)
 934                         src2w &= 0x1f;
 935 #else
 936                 SLJIT_UNREACHABLE();
 937 #endif
 938                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
 939         }
 940
 941         return SLJIT_SUCCESS;
 942 }
 943
 944 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
 945 {
 946         CHECK_REG_INDEX(check_sljit_get_register_index(reg));
 947         return reg_map[reg];
 948 }
 949
 950 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
 951 {
 952         CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
 953         return freg_map[reg];
 954 }
 955
 956 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
 957         void *instruction, sljit_s32 size)
 958 {
 959         CHECK_ERROR();
 960         CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
 961
 962         return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
 963 }
 964
 965 /* --------------------------------------------------------------------- */
 966 /*  Floating point operators                                             */
 967 /* --------------------------------------------------------------------- */
 968
 969 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7))
 970 #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double)
 971 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
 972
 973 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
 974         sljit_s32 dst, sljit_sw dstw,
 975         sljit_s32 src, sljit_sw srcw)
 976 {
 977         if (src & SLJIT_MEM) {
 978                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
 979                 src = TMP_FREG1;
 980         }
 981
 982         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | FD(TMP_FREG1) | FS2(src), MOVABLE_INS));
 983
 984         if (FAST_IS_REG(dst)) {
 985                 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));
 986                 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);
 987         }
 988
 989         /* Store the integer value from a VFP register. */
 990         return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
 991 }
 992
 993 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
 994         sljit_s32 dst, sljit_sw dstw,
 995         sljit_s32 src, sljit_sw srcw)
 996 {
 997         sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
 998
 999         if (src & SLJIT_IMM) {
1000 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
1001                 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
1002                         srcw = (sljit_s32)srcw;
1003 #endif
1004                 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
1005                 src = TMP_REG1;
1006                 srcw = 0;
1007         }
1008
1009         if (FAST_IS_REG(src)) {
1010                 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));
1011                 src = SLJIT_MEM1(SLJIT_SP);
1012                 srcw = FLOAT_TMP_MEM_OFFSET;
1013         }
1014
1015         FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1016         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | FD(dst_r) | FS2(TMP_FREG1), MOVABLE_INS));
1017
1018         if (dst & SLJIT_MEM)
1019                 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
1020         return SLJIT_SUCCESS;
1021 }
1022
1023 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1024         sljit_s32 src1, sljit_sw src1w,
1025         sljit_s32 src2, sljit_sw src2w)
1026 {
1027         if (src1 & SLJIT_MEM) {
1028                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1029                 src1 = TMP_FREG1;
1030         }
1031
1032         if (src2 & SLJIT_MEM) {
1033                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
1034                 src2 = TMP_FREG2;
1035         }
1036
1037         return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | FS1(src1) | FS2(src2), FCC_IS_SET | MOVABLE_INS);
1038 }
1039
1040 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1041         sljit_s32 dst, sljit_sw dstw,
1042         sljit_s32 src, sljit_sw srcw)
1043 {
1044         sljit_s32 dst_r;
1045
1046         CHECK_ERROR();
1047         compiler->cache_arg = 0;
1048         compiler->cache_argw = 0;
1049
1050         SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
1051         SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1052
1053         if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1054                 op ^= SLJIT_F32_OP;
1055
1056         dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1057
1058         if (src & SLJIT_MEM) {
1059                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
1060                 src = dst_r;
1061         }
1062
1063         switch (GET_OPCODE(op)) {
1064         case SLJIT_MOV_F64:
1065                 if (src != dst_r) {
1066                         if (dst_r != TMP_FREG1) {
1067                                 FAIL_IF(push_inst(compiler, FMOVS | FD(dst_r) | FS2(src), MOVABLE_INS));
1068                                 if (!(op & SLJIT_F32_OP))
1069                                         FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1070                         }
1071                         else
1072                                 dst_r = src;
1073                 }
1074                 break;
1075         case SLJIT_NEG_F64:
1076                 FAIL_IF(push_inst(compiler, FNEGS | FD(dst_r) | FS2(src), MOVABLE_INS));
1077                 if (dst_r != src && !(op & SLJIT_F32_OP))
1078                         FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1079                 break;
1080         case SLJIT_ABS_F64:
1081                 FAIL_IF(push_inst(compiler, FABSS | FD(dst_r) | FS2(src), MOVABLE_INS));
1082                 if (dst_r != src && !(op & SLJIT_F32_OP))
1083                         FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1084                 break;
1085         case SLJIT_CONV_F64_FROM_F32:
1086                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | FD(dst_r) | FS2(src), MOVABLE_INS));
1087                 op ^= SLJIT_F32_OP;
1088                 break;
1089         }
1090
1091         if (dst & SLJIT_MEM)
1092                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
1093         return SLJIT_SUCCESS;
1094 }
1095
1096 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1097         sljit_s32 dst, sljit_sw dstw,
1098         sljit_s32 src1, sljit_sw src1w,
1099         sljit_s32 src2, sljit_sw src2w)
1100 {
1101         sljit_s32 dst_r, flags = 0;
1102
1103         CHECK_ERROR();
1104         CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1105         ADJUST_LOCAL_OFFSET(dst, dstw);
1106         ADJUST_LOCAL_OFFSET(src1, src1w);
1107         ADJUST_LOCAL_OFFSET(src2, src2w);
1108
1109         compiler->cache_arg = 0;
1110         compiler->cache_argw = 0;
1111
1112         dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2;
1113
1114         if (src1 & SLJIT_MEM) {
1115                 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1116                         FAIL_IF(compiler->error);
1117                         src1 = TMP_FREG1;
1118                 } else
1119                         flags |= SLOW_SRC1;
1120         }
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
1130         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1131                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1132                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1133                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1134                 }
1135                 else {
1136                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1137                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1138                 }
1139         }
1140         else if (flags & SLOW_SRC1)
1141                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1142         else if (flags & SLOW_SRC2)
1143                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1144
1145         if (flags & SLOW_SRC1)
1146                 src1 = TMP_FREG1;
1147         if (flags & SLOW_SRC2)
1148                 src2 = TMP_FREG2;
1149
1150         switch (GET_OPCODE(op)) {
1151         case SLJIT_ADD_F64:
1152                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1153                 break;
1154
1155         case SLJIT_SUB_F64:
1156                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1157                 break;
1158
1159         case SLJIT_MUL_F64:
1160                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1161                 break;
1162
1163         case SLJIT_DIV_F64:
1164                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1165                 break;
1166         }
1167
1168         if (dst_r == TMP_FREG2)
1169                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1170
1171         return SLJIT_SUCCESS;
1172 }
1173
1174 #undef FLOAT_DATA
1175 #undef SELECT_FOP
1176
1177 /* --------------------------------------------------------------------- */
1178 /*  Other instructions                                                   */
1179 /* --------------------------------------------------------------------- */
1180
1181 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1182 {
1183         CHECK_ERROR();
1184         CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1185         ADJUST_LOCAL_OFFSET(dst, dstw);
1186
1187         if (FAST_IS_REG(dst))
1188                 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst));
1189
1190         /* Memory. */
1191         return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw);
1192 }
1193
1194 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
1195 {
1196         CHECK_ERROR();
1197         CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
1198         ADJUST_LOCAL_OFFSET(src, srcw);
1199
1200         if (FAST_IS_REG(src))
1201                 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
1202         else
1203                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
1204
1205         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
1206         return push_inst(compiler, NOP, UNMOVABLE_INS);
1207 }
1208
1209 /* --------------------------------------------------------------------- */
1210 /*  Conditional instructions                                             */
1211 /* --------------------------------------------------------------------- */
1212
1213 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1214 {
1215         struct sljit_label *label;
1216
1217         CHECK_ERROR_PTR();
1218         CHECK_PTR(check_sljit_emit_label(compiler));
1219
1220         if (compiler->last_label && compiler->last_label->size == compiler->size)
1221                 return compiler->last_label;
1222
1223         label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1224         PTR_FAIL_IF(!label);
1225         set_label(label, compiler);
1226         compiler->delay_slot = UNMOVABLE_INS;
1227         return label;
1228 }
1229
1230 static sljit_ins get_cc(sljit_s32 type)
1231 {
1232         switch (type) {
1233         case SLJIT_EQUAL:
1234         case SLJIT_MUL_NOT_OVERFLOW:
1235         case SLJIT_NOT_EQUAL_F64: /* Unordered. */
1236                 return DA(0x1);
1237
1238         case SLJIT_NOT_EQUAL:
1239         case SLJIT_MUL_OVERFLOW:
1240         case SLJIT_EQUAL_F64:
1241                 return DA(0x9);
1242
1243         case SLJIT_LESS:
1244         case SLJIT_GREATER_F64: /* Unordered. */
1245                 return DA(0x5);
1246
1247         case SLJIT_GREATER_EQUAL:
1248         case SLJIT_LESS_EQUAL_F64:
1249                 return DA(0xd);
1250
1251         case SLJIT_GREATER:
1252         case SLJIT_GREATER_EQUAL_F64: /* Unordered. */
1253                 return DA(0xc);
1254
1255         case SLJIT_LESS_EQUAL:
1256         case SLJIT_LESS_F64:
1257                 return DA(0x4);
1258
1259         case SLJIT_SIG_LESS:
1260                 return DA(0x3);
1261
1262         case SLJIT_SIG_GREATER_EQUAL:
1263                 return DA(0xb);
1264
1265         case SLJIT_SIG_GREATER:
1266                 return DA(0xa);
1267
1268         case SLJIT_SIG_LESS_EQUAL:
1269                 return DA(0x2);
1270
1271         case SLJIT_OVERFLOW:
1272         case SLJIT_UNORDERED_F64:
1273                 return DA(0x7);
1274
1275         case SLJIT_NOT_OVERFLOW:
1276         case SLJIT_ORDERED_F64:
1277                 return DA(0xf);
1278
1279         default:
1280                 SLJIT_UNREACHABLE();
1281                 return DA(0x8);
1282         }
1283 }
1284
1285 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1286 {
1287         struct sljit_jump *jump;
1288
1289         CHECK_ERROR_PTR();
1290         CHECK_PTR(check_sljit_emit_jump(compiler, type));
1291
1292         jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1293         PTR_FAIL_IF(!jump);
1294         set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1295         type &= 0xff;
1296
1297         if (type < SLJIT_EQUAL_F64) {
1298                 jump->flags |= IS_COND;
1299                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1300                         jump->flags |= IS_MOVABLE;
1301 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1302                 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1303 #else
1304 #error "Implementation required"
1305 #endif
1306         }
1307         else if (type < SLJIT_JUMP) {
1308                 jump->flags |= IS_COND;
1309                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1310                         jump->flags |= IS_MOVABLE;
1311 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1312                 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1313 #else
1314 #error "Implementation required"
1315 #endif
1316         }
1317         else {
1318                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1319                         jump->flags |= IS_MOVABLE;
1320                 if (type >= SLJIT_FAST_CALL)
1321                         jump->flags |= IS_CALL;
1322         }
1323
1324         PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1325         PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG1) | IMM(0), UNMOVABLE_INS));
1326         jump->addr = compiler->size;
1327         PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1328
1329         return jump;
1330 }
1331
1332 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
1333         sljit_s32 arg_types)
1334 {
1335         CHECK_ERROR_PTR();
1336         CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types));
1337
1338         PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL));
1339
1340 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1341                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1342         compiler->skip_checks = 1;
1343 #endif
1344
1345         return sljit_emit_jump(compiler, type);
1346 }
1347
1348 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1349 {
1350         struct sljit_jump *jump = NULL;
1351         sljit_s32 src_r;
1352
1353         CHECK_ERROR();
1354         CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1355         ADJUST_LOCAL_OFFSET(src, srcw);
1356
1357         if (FAST_IS_REG(src))
1358                 src_r = src;
1359         else if (src & SLJIT_IMM) {
1360                 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1361                 FAIL_IF(!jump);
1362                 set_jump(jump, compiler, JUMP_ADDR);
1363                 jump->u.target = srcw;
1364
1365                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1366                         jump->flags |= IS_MOVABLE;
1367                 if (type >= SLJIT_FAST_CALL)
1368                         jump->flags |= IS_CALL;
1369
1370                 FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1371                 src_r = TMP_REG1;
1372         }
1373         else {
1374                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1375                 src_r = TMP_REG1;
1376         }
1377
1378         FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1379         if (jump)
1380                 jump->addr = compiler->size;
1381         return push_inst(compiler, NOP, UNMOVABLE_INS);
1382 }
1383
1384 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
1385         sljit_s32 arg_types,
1386         sljit_s32 src, sljit_sw srcw)
1387 {
1388         CHECK_ERROR();
1389         CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw));
1390
1391         if (src & SLJIT_MEM) {
1392                 ADJUST_LOCAL_OFFSET(src, srcw);
1393                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1394                 src = TMP_REG1;
1395         }
1396
1397         FAIL_IF(call_with_args(compiler, arg_types, &src));
1398
1399 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1400                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1401         compiler->skip_checks = 1;
1402 #endif
1403
1404         return sljit_emit_ijump(compiler, type, src, srcw);
1405 }
1406
1407 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1408         sljit_s32 dst, sljit_sw dstw,
1409         sljit_s32 type)
1410 {
1411         sljit_s32 reg, flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1412
1413         CHECK_ERROR();
1414         CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type));
1415         ADJUST_LOCAL_OFFSET(dst, dstw);
1416
1417 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1418         op = GET_OPCODE(op);
1419         reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1420
1421         compiler->cache_arg = 0;
1422         compiler->cache_argw = 0;
1423
1424         if (op >= SLJIT_ADD && (dst & SLJIT_MEM))
1425                 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, dst, dstw, dst, dstw));
1426
1427         type &= 0xff;
1428         if (type < SLJIT_EQUAL_F64)
1429                 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
1430         else
1431                 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
1432
1433         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1434         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1435
1436         if (op >= SLJIT_ADD) {
1437                 flags |= CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE;
1438                 if (dst & SLJIT_MEM)
1439                         return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
1440                 return emit_op(compiler, op, flags, dst, 0, dst, 0, TMP_REG2, 0);
1441         }
1442
1443         if (!(dst & SLJIT_MEM))
1444                 return SLJIT_SUCCESS;
1445
1446         return emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw);
1447 #else
1448 #error "Implementation required"
1449 #endif
1450 }
1451
1452 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
1453         sljit_s32 dst_reg,
1454         sljit_s32 src, sljit_sw srcw)
1455 {
1456         CHECK_ERROR();
1457         CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw));
1458
1459 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1460         return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);;
1461 #else
1462 #error "Implementation required"
1463 #endif
1464 }
1465
1466 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1467 {
1468         sljit_s32 reg;
1469         struct sljit_const *const_;
1470
1471         CHECK_ERROR_PTR();
1472         CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
1473         ADJUST_LOCAL_OFFSET(dst, dstw);
1474
1475         const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1476         PTR_FAIL_IF(!const_);
1477         set_const(const_, compiler);
1478
1479         reg = FAST_IS_REG(dst) ? dst : TMP_REG2;
1480
1481         PTR_FAIL_IF(emit_const(compiler, reg, init_value));
1482
1483         if (dst & SLJIT_MEM)
1484                 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1485         return const_;
1486 }