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 /* 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, 23, 22, 21, 20, 19, 18, 17, 16, 29, 28, 27, 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, 16, 18, 20, 22, 24, 26, 28, 30
 106 };
 107
 108 /* --------------------------------------------------------------------- */
 109 /*  Instrucion forms                                                     */
 110 /* --------------------------------------------------------------------- */
 111
 112 #define D(d)            ((sljit_ins)reg_map[d] << 25)
 113 #define FD(d)           ((sljit_ins)freg_map[d] << 25)
 114 #define FDN(d)          (((sljit_ins)freg_map[d] | 0x1) << 25)
 115 #define DA(d)           ((sljit_ins)(d) << 25)
 116 #define S1(s1)          ((sljit_ins)reg_map[s1] << 14)
 117 #define FS1(s1)         ((sljit_ins)freg_map[s1] << 14)
 118 #define S1A(s1)         ((sljit_ins)(s1) << 14)
 119 #define S2(s2)          ((sljit_ins)reg_map[s2])
 120 #define FS2(s2)         ((sljit_ins)freg_map[s2])
 121 #define FS2N(s2)        ((sljit_ins)freg_map[s2] | 0x1)
 122 #define S2A(s2)         ((sljit_ins)(s2))
 123 #define IMM_ARG         0x2000
 124 #define DOP(op)         ((sljit_ins)(op) << 5)
 125 #define IMM(imm)        (((sljit_ins)(imm) & 0x1fff) | IMM_ARG)
 126
 127 #define DR(dr)          (reg_map[dr])
 128 #define DRF(dr, flags)  ((sljit_s32)(reg_map[dr] | ((flags) & SET_FLAGS)))
 129 #define OPC1(opcode)    ((sljit_ins)(opcode) << 30)
 130 #define OPC2(opcode)    ((sljit_ins)(opcode) << 22)
 131 #define OPC3(opcode)    ((sljit_ins)(opcode) << 19)
 132 #define SET_FLAGS       OPC3(0x10)
 133
 134 #define ADD             (OPC1(0x2) | OPC3(0x00))
 135 #define ADDC            (OPC1(0x2) | OPC3(0x08))
 136 #define AND             (OPC1(0x2) | OPC3(0x01))
 137 #define ANDN            (OPC1(0x2) | OPC3(0x05))
 138 #define CALL            (OPC1(0x1))
 139 #define FABSS           (OPC1(0x2) | OPC3(0x34) | DOP(0x09))
 140 #define FADDD           (OPC1(0x2) | OPC3(0x34) | DOP(0x42))
 141 #define FADDS           (OPC1(0x2) | OPC3(0x34) | DOP(0x41))
 142 #define FCMPD           (OPC1(0x2) | OPC3(0x35) | DOP(0x52))
 143 #define FCMPS           (OPC1(0x2) | OPC3(0x35) | DOP(0x51))
 144 #define FDIVD           (OPC1(0x2) | OPC3(0x34) | DOP(0x4e))
 145 #define FDIVS           (OPC1(0x2) | OPC3(0x34) | DOP(0x4d))
 146 #define FDTOI           (OPC1(0x2) | OPC3(0x34) | DOP(0xd2))
 147 #define FDTOS           (OPC1(0x2) | OPC3(0x34) | DOP(0xc6))
 148 #define FITOD           (OPC1(0x2) | OPC3(0x34) | DOP(0xc8))
 149 #define FITOS           (OPC1(0x2) | OPC3(0x34) | DOP(0xc4))
 150 #define FMOVS           (OPC1(0x2) | OPC3(0x34) | DOP(0x01))
 151 #define FMULD           (OPC1(0x2) | OPC3(0x34) | DOP(0x4a))
 152 #define FMULS           (OPC1(0x2) | OPC3(0x34) | DOP(0x49))
 153 #define FNEGS           (OPC1(0x2) | OPC3(0x34) | DOP(0x05))
 154 #define FSTOD           (OPC1(0x2) | OPC3(0x34) | DOP(0xc9))
 155 #define FSTOI           (OPC1(0x2) | OPC3(0x34) | DOP(0xd1))
 156 #define FSUBD           (OPC1(0x2) | OPC3(0x34) | DOP(0x46))
 157 #define FSUBS           (OPC1(0x2) | OPC3(0x34) | DOP(0x45))
 158 #define JMPL            (OPC1(0x2) | OPC3(0x38))
 159 #define LDD             (OPC1(0x3) | OPC3(0x03))
 160 #define LDDF            (OPC1(0x3) | OPC3(0x23))
 161 #define LDF             (OPC1(0x3) | OPC3(0x20))
 162 #define LDUW            (OPC1(0x3) | OPC3(0x00))
 163 #define NOP             (OPC1(0x0) | OPC2(0x04))
 164 #define OR              (OPC1(0x2) | OPC3(0x02))
 165 #define ORN             (OPC1(0x2) | OPC3(0x06))
 166 #define RDY             (OPC1(0x2) | OPC3(0x28) | S1A(0))
 167 #define RESTORE         (OPC1(0x2) | OPC3(0x3d))
 168 #define SAVE            (OPC1(0x2) | OPC3(0x3c))
 169 #define SETHI           (OPC1(0x0) | OPC2(0x04))
 170 #define SLL             (OPC1(0x2) | OPC3(0x25))
 171 #define SLLX            (OPC1(0x2) | OPC3(0x25) | (1 << 12))
 172 #define SRA             (OPC1(0x2) | OPC3(0x27))
 173 #define SRAX            (OPC1(0x2) | OPC3(0x27) | (1 << 12))
 174 #define SRL             (OPC1(0x2) | OPC3(0x26))
 175 #define SRLX            (OPC1(0x2) | OPC3(0x26) | (1 << 12))
 176 #define STD             (OPC1(0x3) | OPC3(0x07))
 177 #define STDF            (OPC1(0x3) | OPC3(0x27))
 178 #define STF             (OPC1(0x3) | OPC3(0x24))
 179 #define STW             (OPC1(0x3) | OPC3(0x04))
 180 #define SUB             (OPC1(0x2) | OPC3(0x04))
 181 #define SUBC            (OPC1(0x2) | OPC3(0x0c))
 182 #define TA              (OPC1(0x2) | OPC3(0x3a) | (8 << 25))
 183 #define WRY             (OPC1(0x2) | OPC3(0x30) | DA(0))
 184 #define XOR             (OPC1(0x2) | OPC3(0x03))
 185 #define XNOR            (OPC1(0x2) | OPC3(0x07))
 186
 187 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 188 #define MAX_DISP        (0x1fffff)
 189 #define MIN_DISP        (-0x200000)
 190 #define DISP_MASK       ((sljit_ins)0x3fffff)
 191
 192 #define BICC            (OPC1(0x0) | OPC2(0x2))
 193 #define FBFCC           (OPC1(0x0) | OPC2(0x6))
 194 #define SLL_W           SLL
 195 #define SDIV            (OPC1(0x2) | OPC3(0x0f))
 196 #define SMUL            (OPC1(0x2) | OPC3(0x0b))
 197 #define UDIV            (OPC1(0x2) | OPC3(0x0e))
 198 #define UMUL            (OPC1(0x2) | OPC3(0x0a))
 199 #else
 200 #define SLL_W           SLLX
 201 #endif
 202
 203 #define SIMM_MAX        (0x0fff)
 204 #define SIMM_MIN        (-0x1000)
 205
 206 /* dest_reg is the absolute name of the register
 207    Useful for reordering instructions in the delay slot. */
 208 static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot)
 209 {
 210         sljit_ins *ptr;
 211         SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS
 212                 || (delay_slot & DST_INS_MASK) == MOVABLE_INS
 213                 || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f));
 214         ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
 215         FAIL_IF(!ptr);
 216         *ptr = ins;
 217         compiler->size++;
 218         compiler->delay_slot = delay_slot;
 219         return SLJIT_SUCCESS;
 220 }
 221
 222 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset)
 223 {
 224         sljit_sw diff;
 225         sljit_uw target_addr;
 226         sljit_ins *inst;
 227         sljit_ins saved_inst;
 228
 229         if (jump->flags & SLJIT_REWRITABLE_JUMP)
 230                 return code_ptr;
 231
 232         if (jump->flags & JUMP_ADDR)
 233                 target_addr = jump->u.target;
 234         else {
 235                 SLJIT_ASSERT(jump->flags & JUMP_LABEL);
 236                 target_addr = (sljit_uw)(code + jump->u.label->size) + (sljit_uw)executable_offset;
 237         }
 238         inst = (sljit_ins*)jump->addr;
 239
 240 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 241         if (jump->flags & IS_CALL) {
 242                 /* Call is always patchable on sparc 32. */
 243                 jump->flags |= PATCH_CALL;
 244                 if (jump->flags & IS_MOVABLE) {
 245                         inst[0] = inst[-1];
 246                         inst[-1] = CALL;
 247                         jump->addr -= sizeof(sljit_ins);
 248                         return inst;
 249                 }
 250                 inst[0] = CALL;
 251                 inst[1] = NOP;
 252                 return inst + 1;
 253         }
 254 #else
 255         /* Both calls and BPr instructions shall not pass this point. */
 256 #error "Implementation required"
 257 #endif
 258
 259         if (jump->flags & IS_COND)
 260                 inst--;
 261
 262         diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1) - executable_offset) >> 2;
 263
 264         if (jump->flags & IS_MOVABLE) {
 265                 if (diff <= MAX_DISP && diff >= MIN_DISP) {
 266                         jump->flags |= PATCH_B;
 267                         inst--;
 268                         if (jump->flags & IS_COND) {
 269                                 saved_inst = inst[0];
 270                                 inst[0] = inst[1] ^ (1 << 28);
 271                                 inst[1] = saved_inst;
 272                         } else {
 273                                 inst[1] = inst[0];
 274                                 inst[0] = BICC | DA(0x8);
 275                         }
 276                         jump->addr = (sljit_uw)inst;
 277                         return inst + 1;
 278                 }
 279         }
 280
 281         diff += SSIZE_OF(ins);
 282
 283         if (diff <= MAX_DISP && diff >= MIN_DISP) {
 284                 jump->flags |= PATCH_B;
 285                 if (jump->flags & IS_COND)
 286                         inst[0] ^= (1 << 28);
 287                 else
 288                         inst[0] = BICC | DA(0x8);
 289                 inst[1] = NOP;
 290                 jump->addr = (sljit_uw)inst;
 291                 return inst + 1;
 292         }
 293
 294         return code_ptr;
 295 }
 296
 297 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
 298 {
 299         struct sljit_memory_fragment *buf;
 300         sljit_ins *code;
 301         sljit_ins *code_ptr;
 302         sljit_ins *buf_ptr;
 303         sljit_ins *buf_end;
 304         sljit_uw word_count;
 305         sljit_uw next_addr;
 306         sljit_sw executable_offset;
 307         sljit_sw addr;
 308
 309         struct sljit_label *label;
 310         struct sljit_jump *jump;
 311         struct sljit_const *const_;
 312         struct sljit_put_label *put_label;
 313
 314         CHECK_ERROR_PTR();
 315         CHECK_PTR(check_sljit_generate_code(compiler));
 316         reverse_buf(compiler);
 317
 318         code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins), compiler->exec_allocator_data);
 319         PTR_FAIL_WITH_EXEC_IF(code);
 320         buf = compiler->buf;
 321
 322         code_ptr = code;
 323         word_count = 0;
 324         next_addr = 0;
 325         executable_offset = SLJIT_EXEC_OFFSET(code);
 326
 327         label = compiler->labels;
 328         jump = compiler->jumps;
 329         const_ = compiler->consts;
 330         put_label = compiler->put_labels;
 331
 332         do {
 333                 buf_ptr = (sljit_ins*)buf->memory;
 334                 buf_end = buf_ptr + (buf->used_size >> 2);
 335                 do {
 336                         *code_ptr = *buf_ptr++;
 337                         if (next_addr == word_count) {
 338                                 SLJIT_ASSERT(!label || label->size >= word_count);
 339                                 SLJIT_ASSERT(!jump || jump->addr >= word_count);
 340                                 SLJIT_ASSERT(!const_ || const_->addr >= word_count);
 341                                 SLJIT_ASSERT(!put_label || put_label->addr >= word_count);
 342
 343                                 /* These structures are ordered by their address. */
 344                                 if (label && label->size == word_count) {
 345                                         /* Just recording the address. */
 346                                         label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
 347                                         label->size = (sljit_uw)(code_ptr - code);
 348                                         label = label->next;
 349                                 }
 350                                 if (jump && jump->addr == word_count) {
 351 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 352                                         jump->addr = (sljit_uw)(code_ptr - 3);
 353 #else
 354                                         jump->addr = (sljit_uw)(code_ptr - 6);
 355 #endif
 356                                         code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset);
 357                                         jump = jump->next;
 358                                 }
 359                                 if (const_ && const_->addr == word_count) {
 360                                         /* Just recording the address. */
 361                                         const_->addr = (sljit_uw)code_ptr;
 362                                         const_ = const_->next;
 363                                 }
 364                                 if (put_label && put_label->addr == word_count) {
 365                                         SLJIT_ASSERT(put_label->label);
 366                                         put_label->addr = (sljit_uw)code_ptr;
 367                                         put_label = put_label->next;
 368                                 }
 369                                 next_addr = compute_next_addr(label, jump, const_, put_label);
 370                         }
 371                         code_ptr++;
 372                         word_count++;
 373                 } while (buf_ptr < buf_end);
 374
 375                 buf = buf->next;
 376         } while (buf);
 377
 378         if (label && label->size == word_count) {
 379                 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
 380                 label->size = (sljit_uw)(code_ptr - code);
 381                 label = label->next;
 382         }
 383
 384         SLJIT_ASSERT(!label);
 385         SLJIT_ASSERT(!jump);
 386         SLJIT_ASSERT(!const_);
 387         SLJIT_ASSERT(!put_label);
 388         SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size);
 389
 390         jump = compiler->jumps;
 391         while (jump) {
 392                 do {
 393                         addr = (sljit_sw)((jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target);
 394                         buf_ptr = (sljit_ins *)jump->addr;
 395
 396                         if (jump->flags & PATCH_CALL) {
 397                                 addr = (addr - (sljit_sw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
 398                                 SLJIT_ASSERT(addr <= 0x1fffffff && addr >= -0x20000000);
 399                                 buf_ptr[0] = CALL | ((sljit_ins)addr & 0x3fffffff);
 400                                 break;
 401                         }
 402                         if (jump->flags & PATCH_B) {
 403                                 addr = (addr - (sljit_sw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
 404                                 SLJIT_ASSERT(addr <= MAX_DISP && addr >= MIN_DISP);
 405                                 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | ((sljit_ins)addr & DISP_MASK);
 406                                 break;
 407                         }
 408
 409                         /* Set the fields of immediate loads. */
 410 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 411                         SLJIT_ASSERT(((buf_ptr[0] & 0xc1cfffff) == 0x01000000) && ((buf_ptr[1] & 0xc1f83fff) == 0x80102000));
 412                         buf_ptr[0] |= (sljit_ins)(addr >> 10) & 0x3fffff;
 413                         buf_ptr[1] |= (sljit_ins)addr & 0x3ff;
 414 #else
 415 #error "Implementation required"
 416 #endif
 417                 } while (0);
 418                 jump = jump->next;
 419         }
 420
 421         put_label = compiler->put_labels;
 422         while (put_label) {
 423                 addr = (sljit_sw)put_label->label->addr;
 424                 buf_ptr = (sljit_ins *)put_label->addr;
 425
 426 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 427                 SLJIT_ASSERT(((buf_ptr[0] & 0xc1cfffff) == 0x01000000) && ((buf_ptr[1] & 0xc1f83fff) == 0x80102000));
 428                 buf_ptr[0] |= (addr >> 10) & 0x3fffff;
 429                 buf_ptr[1] |= addr & 0x3ff;
 430 #else
 431 #error "Implementation required"
 432 #endif
 433                 put_label = put_label->next;
 434         }
 435
 436         compiler->error = SLJIT_ERR_COMPILED;
 437         compiler->executable_offset = executable_offset;
 438         compiler->executable_size = (sljit_uw)(code_ptr - code) * sizeof(sljit_ins);
 439
 440         code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset);
 441         code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
 442
 443         SLJIT_CACHE_FLUSH(code, code_ptr);
 444         SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1);
 445         return code;
 446 }
 447
 448 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
 449 {
 450         switch (feature_type) {
 451         case SLJIT_HAS_FPU:
 452 #ifdef SLJIT_IS_FPU_AVAILABLE
 453                 return SLJIT_IS_FPU_AVAILABLE;
 454 #else
 455                 /* Available by default. */
 456                 return 1;
 457 #endif
 458
 459         case SLJIT_HAS_ZERO_REGISTER:
 460                 return 1;
 461
 462 #if (defined SLJIT_CONFIG_SPARC_64 && SLJIT_CONFIG_SPARC_64)
 463         case SLJIT_HAS_CMOV:
 464                 return 1;
 465 #endif
 466
 467         default:
 468                 return 0;
 469         }
 470 }
 471
 472 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_cmp_info(sljit_s32 type)
 473 {
 474         return (type >= SLJIT_UNORDERED && type <= SLJIT_ORDERED_LESS_EQUAL);
 475 }
 476
 477 /* --------------------------------------------------------------------- */
 478 /*  Entry, exit                                                          */
 479 /* --------------------------------------------------------------------- */
 480
 481 /* Creates an index in data_transfer_insts array. */
 482 #define LOAD_DATA       0x01
 483 #define WORD_DATA       0x00
 484 #define BYTE_DATA       0x02
 485 #define HALF_DATA       0x04
 486 #define INT_DATA        0x06
 487 #define SIGNED_DATA     0x08
 488 /* Separates integer and floating point registers */
 489 #define GPR_REG         0x0f
 490 #define DOUBLE_DATA     0x10
 491 #define SINGLE_DATA     0x12
 492
 493 #define MEM_MASK        0x1f
 494
 495 #define ARG_TEST        0x00020
 496 #define ALT_KEEP_CACHE  0x00040
 497 #define CUMULATIVE_OP   0x00080
 498 #define IMM_OP          0x00100
 499 #define MOVE_OP         0x00200
 500 #define SRC2_IMM        0x00400
 501
 502 #define REG_DEST        0x00800
 503 #define REG2_SOURCE     0x01000
 504 #define SLOW_SRC1       0x02000
 505 #define SLOW_SRC2       0x04000
 506 #define SLOW_DEST       0x08000
 507
 508 /* SET_FLAGS (0x10 << 19) also belong here! */
 509
 510 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 511 #include "sljitNativeSPARC_32.c"
 512 #else
 513 #include "sljitNativeSPARC_64.c"
 514 #endif
 515
 516 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
 517         sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
 518         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 519 {
 520         sljit_s32 reg_index, types, tmp;
 521         sljit_u32 float_offset, args_offset;
 522         sljit_s32 saved_arg_index, scratch_arg_index, float_arg_index;
 523
 524         CHECK_ERROR();
 525         CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
 526         set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
 527
 528         local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 529         compiler->local_size = local_size;
 530
 531         if (local_size <= -SIMM_MIN) {
 532                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
 533         }
 534         else {
 535                 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
 536                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
 537         }
 538
 539         arg_types >>= SLJIT_ARG_SHIFT;
 540
 541         types = arg_types;
 542         float_offset = 16 * sizeof(sljit_sw);
 543         reg_index = 24;
 544
 545         while (types && reg_index < 24 + 6) {
 546                 switch (types & SLJIT_ARG_MASK) {
 547                 case SLJIT_ARG_TYPE_F64:
 548                         if (reg_index & 0x1) {
 549                                 FAIL_IF(push_inst(compiler, STW | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 550                                 if (reg_index >= 24 + 6 - 1)
 551                                         break;
 552                                 FAIL_IF(push_inst(compiler, STW | DA(reg_index + 1) | S1(SLJIT_SP) | IMM(float_offset + sizeof(sljit_sw)), MOVABLE_INS));
 553                         } else
 554                                 FAIL_IF(push_inst(compiler, STD | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 555
 556                         float_offset += sizeof(sljit_f64);
 557                         reg_index++;
 558                         break;
 559                 case SLJIT_ARG_TYPE_F32:
 560                         FAIL_IF(push_inst(compiler, STW | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 561                         float_offset += sizeof(sljit_f64);
 562                         break;
 563                 }
 564
 565                 reg_index++;
 566                 types >>= SLJIT_ARG_SHIFT;
 567         }
 568
 569         args_offset = (16 + 1 + 6) * sizeof(sljit_sw);
 570         float_offset = 16 * sizeof(sljit_sw);
 571         reg_index = 24;
 572         saved_arg_index = 24;
 573         scratch_arg_index = 8 - 1;
 574         float_arg_index = 1;
 575
 576         while (arg_types) {
 577                 switch (arg_types & SLJIT_ARG_MASK) {
 578                 case SLJIT_ARG_TYPE_F64:
 579                         if (reg_index < 24 + 6 - 1) {
 580                                 FAIL_IF(push_inst(compiler, LDDF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 581                         } else if (reg_index < 24 + 6) {
 582                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 583                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | (1 << 25) | S1A(30) | IMM(args_offset), MOVABLE_INS));
 584                         } else {
 585                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | S1A(30) | IMM(args_offset), MOVABLE_INS));
 586                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | (1 << 25) | S1A(30) | IMM(args_offset + sizeof(sljit_sw)), MOVABLE_INS));
 587                         }
 588
 589                         float_arg_index++;
 590                         float_offset += sizeof(sljit_f64);
 591                         reg_index++;
 592                         break;
 593                 case SLJIT_ARG_TYPE_F32:
 594                         if (reg_index < 24 + 6)
 595                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 596                         else
 597                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | S1A(30) | IMM(args_offset), MOVABLE_INS));
 598                         float_arg_index++;
 599                         float_offset += sizeof(sljit_f64);
 600                         break;
 601                 default:
 602                         scratch_arg_index++;
 603
 604                         if (!(arg_types & SLJIT_ARG_TYPE_SCRATCH_REG)) {
 605                                 tmp = saved_arg_index++;
 606                                 if (tmp == reg_index)
 607                                         break;
 608                         } else
 609                                 tmp = scratch_arg_index;
 610
 611                         if (reg_index < 24 + 6)
 612                                 FAIL_IF(push_inst(compiler, OR | DA(tmp) | S1(0) | S2A(reg_index), tmp));
 613                         else
 614                                 FAIL_IF(push_inst(compiler, LDUW | DA(tmp) | S1A(30) | IMM(args_offset), tmp));
 615                         break;
 616                 }
 617
 618                 reg_index++;
 619                 arg_types >>= SLJIT_ARG_SHIFT;
 620         }
 621
 622         return SLJIT_SUCCESS;
 623 }
 624
 625 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
 626         sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
 627         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 628 {
 629         CHECK_ERROR();
 630         CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
 631         set_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
 632
 633         compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 634         return SLJIT_SUCCESS;
 635 }
 636
 637 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return_void(struct sljit_compiler *compiler)
 638 {
 639         CHECK_ERROR();
 640         CHECK(check_sljit_emit_return_void(compiler));
 641
 642         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
 643         return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(SLJIT_R0) | S2(0), UNMOVABLE_INS);
 644 }
 645
 646 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
 647 {
 648         CHECK_ERROR();
 649         CHECK(check_sljit_emit_return(compiler, op, src, srcw));
 650
 651         if (TYPE_CAST_NEEDED(op) || !FAST_IS_REG(src)) {
 652                 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
 653                 src = SLJIT_R0;
 654         }
 655
 656         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
 657         return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
 658 }
 659
 660 /* --------------------------------------------------------------------- */
 661 /*  Operators                                                            */
 662 /* --------------------------------------------------------------------- */
 663
 664 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 665 #define ARCH_32_64(a, b)        a
 666 #else
 667 #define ARCH_32_64(a, b)        b
 668 #endif
 669
 670 static const sljit_ins data_transfer_insts[16 + 4] = {
 671 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 672 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 673 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
 674 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
 675 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
 676 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
 677 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
 678 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
 679
 680 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 681 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 682 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
 683 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
 684 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
 685 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
 686 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
 687 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
 688
 689 /* d   s */ OPC1(3) | OPC3(0x27),
 690 /* d   l */ OPC1(3) | OPC3(0x23),
 691 /* s   s */ OPC1(3) | OPC3(0x24),
 692 /* s   l */ OPC1(3) | OPC3(0x20),
 693 };
 694
 695 #undef ARCH_32_64
 696
 697 /* Can perform an operation using at most 1 instruction. */
 698 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_u32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 699 {
 700         SLJIT_ASSERT(arg & SLJIT_MEM);
 701
 702         if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
 703                         || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
 704                 /* Works for both absoulte and relative addresses (immediate case). */
 705                 if (SLJIT_UNLIKELY(flags & ARG_TEST))
 706                         return 1;
 707                 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
 708                         | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))
 709                         | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
 710                         ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
 711                 return -1;
 712         }
 713         return 0;
 714 }
 715
 716 /* See getput_arg below.
 717    Note: can_cache is called only for binary operators. Those
 718    operators always uses word arguments without write back. */
 719 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
 720 {
 721         SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
 722
 723         /* Simple operation except for updates. */
 724         if (arg & OFFS_REG_MASK) {
 725                 argw &= 0x3;
 726                 SLJIT_ASSERT(argw);
 727                 next_argw &= 0x3;
 728                 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
 729                         return 1;
 730                 return 0;
 731         }
 732
 733         if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
 734                 return 1;
 735         return 0;
 736 }
 737
 738 /* Emit the necessary instructions. See can_cache above. */
 739 static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_u32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
 740 {
 741         sljit_s32 base, arg2, delay_slot;
 742         sljit_ins dest;
 743
 744         SLJIT_ASSERT(arg & SLJIT_MEM);
 745         if (!(next_arg & SLJIT_MEM)) {
 746                 next_arg = 0;
 747                 next_argw = 0;
 748         }
 749
 750         base = arg & REG_MASK;
 751         if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
 752                 argw &= 0x3;
 753
 754                 /* Using the cache. */
 755                 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
 756                         arg2 = TMP_REG3;
 757                 else {
 758                         if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
 759                                 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
 760                                 compiler->cache_argw = argw;
 761                                 arg2 = TMP_REG3;
 762                         }
 763                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
 764                                 arg2 = reg;
 765                         else /* It must be a mov operation, so tmp1 must be free to use. */
 766                                 arg2 = TMP_REG1;
 767                         FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | (sljit_ins)argw, DR(arg2)));
 768                 }
 769         }
 770         else {
 771                 /* Using the cache. */
 772                 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
 773                         if (argw != compiler->cache_argw) {
 774                                 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
 775                                 compiler->cache_argw = argw;
 776                         }
 777                         arg2 = TMP_REG3;
 778                 } else {
 779                         if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
 780                                 compiler->cache_arg = SLJIT_MEM;
 781                                 compiler->cache_argw = argw;
 782                                 arg2 = TMP_REG3;
 783                         }
 784                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
 785                                 arg2 = reg;
 786                         else /* It must be a mov operation, so tmp1 must be free to use. */
 787                                 arg2 = TMP_REG1;
 788                         FAIL_IF(load_immediate(compiler, arg2, argw));
 789                 }
 790         }
 791
 792         dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg));
 793         delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
 794         if (!base)
 795                 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
 796         return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
 797 }
 798
 799 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_u32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 800 {
 801         if (getput_arg_fast(compiler, flags, reg, arg, argw))
 802                 return compiler->error;
 803         compiler->cache_arg = 0;
 804         compiler->cache_argw = 0;
 805         return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
 806 }
 807
 808 static SLJIT_INLINE sljit_s32 emit_op_mem2(struct sljit_compiler *compiler, sljit_u32 flags, sljit_s32 reg, sljit_s32 arg1, sljit_sw arg1w, sljit_s32 arg2, sljit_sw arg2w)
 809 {
 810         if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
 811                 return compiler->error;
 812         return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
 813 }
 814
 815 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_u32 flags,
 816         sljit_s32 dst, sljit_sw dstw,
 817         sljit_s32 src1, sljit_sw src1w,
 818         sljit_s32 src2, sljit_sw src2w)
 819 {
 820         /* arg1 goes to TMP_REG1 or src reg
 821            arg2 goes to TMP_REG2, imm or src reg
 822            TMP_REG3 can be used for caching
 823            result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
 824         sljit_s32 dst_r = TMP_REG2;
 825         sljit_s32 src1_r;
 826         sljit_sw src2_r = 0;
 827         sljit_s32 sugg_src2_r = TMP_REG2;
 828
 829         if (!(flags & ALT_KEEP_CACHE)) {
 830                 compiler->cache_arg = 0;
 831                 compiler->cache_argw = 0;
 832         }
 833
 834         if (dst != TMP_REG2) {
 835                 if (FAST_IS_REG(dst)) {
 836                         dst_r = dst;
 837                         flags |= REG_DEST;
 838                         if (flags & MOVE_OP)
 839                                 sugg_src2_r = dst_r;
 840                 }
 841                 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
 842                         flags |= SLOW_DEST;
 843         }
 844
 845         if (flags & IMM_OP) {
 846                 if ((src2 & SLJIT_IMM) && src2w) {
 847                         if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
 848                                 flags |= SRC2_IMM;
 849                                 src2_r = src2w;
 850                         }
 851                 }
 852                 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
 853                         if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
 854                                 flags |= SRC2_IMM;
 855                                 src2_r = src1w;
 856
 857                                 /* And swap arguments. */
 858                                 src1 = src2;
 859                                 src1w = src2w;
 860                                 src2 = SLJIT_IMM;
 861                                 /* src2w = src2_r unneeded. */
 862                         }
 863                 }
 864         }
 865
 866         /* Source 1. */
 867         if (FAST_IS_REG(src1))
 868                 src1_r = src1;
 869         else if (src1 & SLJIT_IMM) {
 870                 if (src1w) {
 871                         FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
 872                         src1_r = TMP_REG1;
 873                 }
 874                 else
 875                         src1_r = 0;
 876         }
 877         else {
 878                 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
 879                         FAIL_IF(compiler->error);
 880                 else
 881                         flags |= SLOW_SRC1;
 882                 src1_r = TMP_REG1;
 883         }
 884
 885         /* Source 2. */
 886         if (FAST_IS_REG(src2)) {
 887                 src2_r = src2;
 888                 flags |= REG2_SOURCE;
 889                 if ((flags & (REG_DEST | MOVE_OP)) == MOVE_OP)
 890                         dst_r = src2_r;
 891         }
 892         else if (src2 & SLJIT_IMM) {
 893                 if (!(flags & SRC2_IMM)) {
 894                         if (src2w) {
 895                                 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
 896                                 src2_r = sugg_src2_r;
 897                         }
 898                         else {
 899                                 src2_r = 0;
 900                                 if (flags & MOVE_OP) {
 901                                         if (dst & SLJIT_MEM)
 902                                                 dst_r = 0;
 903                                         else
 904                                                 op = SLJIT_MOV;
 905                                 }
 906                         }
 907                 }
 908         }
 909         else {
 910                 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
 911                         FAIL_IF(compiler->error);
 912                 else
 913                         flags |= SLOW_SRC2;
 914                 src2_r = sugg_src2_r;
 915         }
 916
 917         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
 918                 SLJIT_ASSERT(src2_r == TMP_REG2);
 919                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
 920                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
 921                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 922                 }
 923                 else {
 924                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
 925                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
 926                 }
 927         }
 928         else if (flags & SLOW_SRC1)
 929                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 930         else if (flags & SLOW_SRC2)
 931                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
 932
 933         FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
 934
 935         if (dst & SLJIT_MEM) {
 936                 if (!(flags & SLOW_DEST)) {
 937                         getput_arg_fast(compiler, flags, dst_r, dst, dstw);
 938                         return compiler->error;
 939                 }
 940                 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
 941         }
 942
 943         return SLJIT_SUCCESS;
 944 }
 945
 946 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
 947 {
 948         CHECK_ERROR();
 949         CHECK(check_sljit_emit_op0(compiler, op));
 950
 951         op = GET_OPCODE(op);
 952         switch (op) {
 953         case SLJIT_BREAKPOINT:
 954                 return push_inst(compiler, TA, UNMOVABLE_INS);
 955         case SLJIT_NOP:
 956                 return push_inst(compiler, NOP, UNMOVABLE_INS);
 957         case SLJIT_LMUL_UW:
 958         case SLJIT_LMUL_SW:
 959 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 960                 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 961                 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
 962 #else
 963 #error "Implementation required"
 964 #endif
 965         case SLJIT_DIVMOD_UW:
 966         case SLJIT_DIVMOD_SW:
 967         case SLJIT_DIV_UW:
 968         case SLJIT_DIV_SW:
 969                 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments);
 970 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 971                 if ((op | 0x2) == SLJIT_DIV_UW)
 972                         FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
 973                 else {
 974                         FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
 975                         FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
 976                 }
 977                 if (op <= SLJIT_DIVMOD_SW)
 978                         FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
 979                 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 980                 if (op >= SLJIT_DIV_UW)
 981                         return SLJIT_SUCCESS;
 982                 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
 983                 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
 984 #else
 985 #error "Implementation required"
 986 #endif
 987         case SLJIT_ENDBR:
 988         case SLJIT_SKIP_FRAMES_BEFORE_RETURN:
 989                 return SLJIT_SUCCESS;
 990         }
 991
 992         return SLJIT_SUCCESS;
 993 }
 994
 995 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
 996         sljit_s32 dst, sljit_sw dstw,
 997         sljit_s32 src, sljit_sw srcw)
 998 {
 999         sljit_u32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1000
1001         CHECK_ERROR();
1002         CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
1003         ADJUST_LOCAL_OFFSET(dst, dstw);
1004         ADJUST_LOCAL_OFFSET(src, srcw);
1005
1006         op = GET_OPCODE(op);
1007         switch (op) {
1008         case SLJIT_MOV:
1009 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1010         case SLJIT_MOV_U32:
1011         case SLJIT_MOV_S32:
1012         case SLJIT_MOV32:
1013 #endif
1014         case SLJIT_MOV_P:
1015                 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, srcw);
1016
1017         case SLJIT_MOV_U8:
1018                 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
1019
1020         case SLJIT_MOV_S8:
1021                 return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw);
1022
1023         case SLJIT_MOV_U16:
1024                 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
1025
1026         case SLJIT_MOV_S16:
1027                 return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw);
1028
1029         case SLJIT_NOT:
1030         case SLJIT_CLZ:
1031                 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
1032         }
1033
1034         return SLJIT_SUCCESS;
1035 }
1036
1037 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
1038         sljit_s32 dst, sljit_sw dstw,
1039         sljit_s32 src1, sljit_sw src1w,
1040         sljit_s32 src2, sljit_sw src2w)
1041 {
1042         sljit_u32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1043
1044         CHECK_ERROR();
1045         CHECK(check_sljit_emit_op2(compiler, op, 0, dst, dstw, src1, src1w, src2, src2w));
1046         ADJUST_LOCAL_OFFSET(dst, dstw);
1047         ADJUST_LOCAL_OFFSET(src1, src1w);
1048         ADJUST_LOCAL_OFFSET(src2, src2w);
1049
1050         op = GET_OPCODE(op);
1051         switch (op) {
1052         case SLJIT_ADD:
1053         case SLJIT_ADDC:
1054         case SLJIT_MUL:
1055         case SLJIT_AND:
1056         case SLJIT_OR:
1057         case SLJIT_XOR:
1058                 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
1059
1060         case SLJIT_SUB:
1061         case SLJIT_SUBC:
1062                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
1063
1064         case SLJIT_SHL:
1065         case SLJIT_LSHR:
1066         case SLJIT_ASHR:
1067 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1068                 if (src2 & SLJIT_IMM)
1069                         src2w &= 0x1f;
1070 #else
1071                 SLJIT_UNREACHABLE();
1072 #endif
1073                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
1074         }
1075
1076         return SLJIT_SUCCESS;
1077 }
1078
1079 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2u(struct sljit_compiler *compiler, sljit_s32 op,
1080         sljit_s32 src1, sljit_sw src1w,
1081         sljit_s32 src2, sljit_sw src2w)
1082 {
1083         CHECK_ERROR();
1084         CHECK(check_sljit_emit_op2(compiler, op, 1, 0, 0, src1, src1w, src2, src2w));
1085
1086 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1087                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1088         compiler->skip_checks = 1;
1089 #endif
1090         return sljit_emit_op2(compiler, op, TMP_REG2, 0, src1, src1w, src2, src2w);
1091 }
1092
1093 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op,
1094         sljit_s32 src, sljit_sw srcw)
1095 {
1096         CHECK_ERROR();
1097         CHECK(check_sljit_emit_op_src(compiler, op, src, srcw));
1098         ADJUST_LOCAL_OFFSET(src, srcw);
1099
1100         switch (op) {
1101         case SLJIT_FAST_RETURN:
1102                 if (FAST_IS_REG(src))
1103                         FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
1104                 else
1105                         FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
1106
1107                 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
1108                 return push_inst(compiler, NOP, UNMOVABLE_INS);
1109         case SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN:
1110         case SLJIT_PREFETCH_L1:
1111         case SLJIT_PREFETCH_L2:
1112         case SLJIT_PREFETCH_L3:
1113         case SLJIT_PREFETCH_ONCE:
1114                 return SLJIT_SUCCESS;
1115         }
1116
1117         return SLJIT_SUCCESS;
1118 }
1119
1120 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
1121 {
1122         CHECK_REG_INDEX(check_sljit_get_register_index(reg));
1123         return reg_map[reg];
1124 }
1125
1126 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
1127 {
1128         CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
1129         return freg_map[reg];
1130 }
1131
1132 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
1133         void *instruction, sljit_u32 size)
1134 {
1135         CHECK_ERROR();
1136         CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
1137
1138         return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
1139 }
1140
1141 /* --------------------------------------------------------------------- */
1142 /*  Floating point operators                                             */
1143 /* --------------------------------------------------------------------- */
1144
1145 #define FLOAT_DATA(op) ((sljit_ins)DOUBLE_DATA | (((sljit_ins)(op) & SLJIT_32) >> 7))
1146 #define SELECT_FOP(op, single, double) ((op & SLJIT_32) ? single : double)
1147 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
1148
1149 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
1150         sljit_s32 dst, sljit_sw dstw,
1151         sljit_s32 src, sljit_sw srcw)
1152 {
1153         if (src & SLJIT_MEM) {
1154                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1155                 src = TMP_FREG1;
1156         }
1157
1158         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | FD(TMP_FREG1) | FS2(src), MOVABLE_INS));
1159
1160         if (FAST_IS_REG(dst)) {
1161                 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));
1162                 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);
1163         }
1164
1165         /* Store the integer value from a VFP register. */
1166         return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
1167 }
1168
1169 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
1170         sljit_s32 dst, sljit_sw dstw,
1171         sljit_s32 src, sljit_sw srcw)
1172 {
1173         sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1174
1175         if (src & SLJIT_IMM) {
1176                 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
1177                         srcw = (sljit_s32)srcw;
1178
1179                 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
1180                 src = TMP_REG1;
1181                 srcw = 0;
1182         }
1183
1184         if (FAST_IS_REG(src)) {
1185                 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));
1186                 src = SLJIT_MEM1(SLJIT_SP);
1187                 srcw = FLOAT_TMP_MEM_OFFSET;
1188         }
1189
1190         FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1191         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | FD(dst_r) | FS2(TMP_FREG1), MOVABLE_INS));
1192
1193         if (dst & SLJIT_MEM)
1194                 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
1195         return SLJIT_SUCCESS;
1196 }
1197
1198 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1199         sljit_s32 src1, sljit_sw src1w,
1200         sljit_s32 src2, sljit_sw src2w)
1201 {
1202         if (src1 & SLJIT_MEM) {
1203                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1204                 src1 = TMP_FREG1;
1205         }
1206
1207         if (src2 & SLJIT_MEM) {
1208                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
1209                 src2 = TMP_FREG2;
1210         }
1211
1212         return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | FS1(src1) | FS2(src2), FCC_IS_SET | MOVABLE_INS);
1213 }
1214
1215 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1216         sljit_s32 dst, sljit_sw dstw,
1217         sljit_s32 src, sljit_sw srcw)
1218 {
1219         sljit_s32 dst_r;
1220
1221         CHECK_ERROR();
1222         compiler->cache_arg = 0;
1223         compiler->cache_argw = 0;
1224
1225         SLJIT_COMPILE_ASSERT((SLJIT_32 == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
1226         SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1227
1228         if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1229                 op ^= SLJIT_32;
1230
1231         dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1232
1233         if (src & SLJIT_MEM) {
1234                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
1235                 src = dst_r;
1236         }
1237
1238         switch (GET_OPCODE(op)) {
1239         case SLJIT_MOV_F64:
1240                 if (src != dst_r) {
1241                         if (dst_r != TMP_FREG1) {
1242                                 FAIL_IF(push_inst(compiler, FMOVS | FD(dst_r) | FS2(src), MOVABLE_INS));
1243                                 if (!(op & SLJIT_32))
1244                                         FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1245                         }
1246                         else
1247                                 dst_r = src;
1248                 }
1249                 break;
1250         case SLJIT_NEG_F64:
1251                 FAIL_IF(push_inst(compiler, FNEGS | FD(dst_r) | FS2(src), MOVABLE_INS));
1252                 if (dst_r != src && !(op & SLJIT_32))
1253                         FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1254                 break;
1255         case SLJIT_ABS_F64:
1256                 FAIL_IF(push_inst(compiler, FABSS | FD(dst_r) | FS2(src), MOVABLE_INS));
1257                 if (dst_r != src && !(op & SLJIT_32))
1258                         FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1259                 break;
1260         case SLJIT_CONV_F64_FROM_F32:
1261                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | FD(dst_r) | FS2(src), MOVABLE_INS));
1262                 op ^= SLJIT_32;
1263                 break;
1264         }
1265
1266         if (dst & SLJIT_MEM)
1267                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
1268         return SLJIT_SUCCESS;
1269 }
1270
1271 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1272         sljit_s32 dst, sljit_sw dstw,
1273         sljit_s32 src1, sljit_sw src1w,
1274         sljit_s32 src2, sljit_sw src2w)
1275 {
1276         sljit_s32 dst_r, flags = 0;
1277
1278         CHECK_ERROR();
1279         CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1280         ADJUST_LOCAL_OFFSET(dst, dstw);
1281         ADJUST_LOCAL_OFFSET(src1, src1w);
1282         ADJUST_LOCAL_OFFSET(src2, src2w);
1283
1284         compiler->cache_arg = 0;
1285         compiler->cache_argw = 0;
1286
1287         dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2;
1288
1289         if (src1 & SLJIT_MEM) {
1290                 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1291                         FAIL_IF(compiler->error);
1292                         src1 = TMP_FREG1;
1293                 } else
1294                         flags |= SLOW_SRC1;
1295         }
1296
1297         if (src2 & SLJIT_MEM) {
1298                 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
1299                         FAIL_IF(compiler->error);
1300                         src2 = TMP_FREG2;
1301                 } else
1302                         flags |= SLOW_SRC2;
1303         }
1304
1305         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1306                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1307                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1308                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1309                 }
1310                 else {
1311                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1312                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1313                 }
1314         }
1315         else if (flags & SLOW_SRC1)
1316                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1317         else if (flags & SLOW_SRC2)
1318                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1319
1320         if (flags & SLOW_SRC1)
1321                 src1 = TMP_FREG1;
1322         if (flags & SLOW_SRC2)
1323                 src2 = TMP_FREG2;
1324
1325         switch (GET_OPCODE(op)) {
1326         case SLJIT_ADD_F64:
1327                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1328                 break;
1329
1330         case SLJIT_SUB_F64:
1331                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1332                 break;
1333
1334         case SLJIT_MUL_F64:
1335                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1336                 break;
1337
1338         case SLJIT_DIV_F64:
1339                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1340                 break;
1341         }
1342
1343         if (dst_r == TMP_FREG2)
1344                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1345
1346         return SLJIT_SUCCESS;
1347 }
1348
1349 #undef FLOAT_DATA
1350 #undef SELECT_FOP
1351
1352 /* --------------------------------------------------------------------- */
1353 /*  Other instructions                                                   */
1354 /* --------------------------------------------------------------------- */
1355
1356 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1357 {
1358         CHECK_ERROR();
1359         CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1360         ADJUST_LOCAL_OFFSET(dst, dstw);
1361
1362         if (FAST_IS_REG(dst))
1363                 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), UNMOVABLE_INS);
1364
1365         /* Memory. */
1366         FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw));
1367         compiler->delay_slot = UNMOVABLE_INS;
1368         return SLJIT_SUCCESS;
1369 }
1370
1371 /* --------------------------------------------------------------------- */
1372 /*  Conditional instructions                                             */
1373 /* --------------------------------------------------------------------- */
1374
1375 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1376 {
1377         struct sljit_label *label;
1378
1379         CHECK_ERROR_PTR();
1380         CHECK_PTR(check_sljit_emit_label(compiler));
1381
1382         if (compiler->last_label && compiler->last_label->size == compiler->size)
1383                 return compiler->last_label;
1384
1385         label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1386         PTR_FAIL_IF(!label);
1387         set_label(label, compiler);
1388         compiler->delay_slot = UNMOVABLE_INS;
1389         return label;
1390 }
1391
1392 static sljit_ins get_cc(struct sljit_compiler *compiler, sljit_s32 type)
1393 {
1394         switch (type) {
1395         case SLJIT_EQUAL:
1396         case SLJIT_UNORDERED_OR_NOT_EQUAL:
1397                 return DA(0x1);
1398
1399         case SLJIT_NOT_EQUAL:
1400         case SLJIT_F_EQUAL:
1401         case SLJIT_ORDERED_EQUAL:
1402                 return DA(0x9);
1403
1404         case SLJIT_LESS:
1405         case SLJIT_UNORDERED_OR_GREATER:
1406         case SLJIT_CARRY:
1407                 return DA(0x5);
1408
1409         case SLJIT_GREATER_EQUAL:
1410         case SLJIT_NOT_CARRY:
1411         case SLJIT_F_LESS_EQUAL:
1412         case SLJIT_ORDERED_LESS_EQUAL:
1413                 return DA(0xd);
1414
1415         case SLJIT_GREATER:
1416         case SLJIT_UNORDERED_OR_GREATER_EQUAL:
1417                 return DA(0xc);
1418
1419         case SLJIT_LESS_EQUAL:
1420         case SLJIT_F_LESS:
1421         case SLJIT_ORDERED_LESS:
1422                 return DA(0x4);
1423
1424         case SLJIT_SIG_LESS:
1425         case SLJIT_UNORDERED_OR_LESS:
1426                 return DA(0x3);
1427
1428         case SLJIT_SIG_GREATER_EQUAL:
1429         case SLJIT_F_GREATER_EQUAL:
1430         case SLJIT_ORDERED_GREATER_EQUAL:
1431                 return DA(0xb);
1432
1433         case SLJIT_SIG_GREATER:
1434         case SLJIT_UNORDERED_OR_EQUAL:
1435                 return DA(0xa);
1436
1437         case SLJIT_SIG_LESS_EQUAL:
1438         case SLJIT_F_NOT_EQUAL:
1439         case SLJIT_ORDERED_NOT_EQUAL:
1440                 return DA(0x2);
1441
1442         case SLJIT_OVERFLOW:
1443                 if (!(compiler->status_flags_state & (SLJIT_CURRENT_FLAGS_ADD | SLJIT_CURRENT_FLAGS_SUB)))
1444                         return DA(0x9);
1445                 /* fallthrough */
1446
1447         case SLJIT_UNORDERED:
1448                 return DA(0x7);
1449
1450         case SLJIT_NOT_OVERFLOW:
1451                 if (!(compiler->status_flags_state & (SLJIT_CURRENT_FLAGS_ADD | SLJIT_CURRENT_FLAGS_SUB)))
1452                         return DA(0x1);
1453                 /* fallthrough */
1454
1455         case SLJIT_ORDERED:
1456                 return DA(0xf);
1457
1458         case SLJIT_F_GREATER:
1459         case SLJIT_ORDERED_GREATER:
1460                 return DA(0x6);
1461
1462         case SLJIT_UNORDERED_OR_LESS_EQUAL:
1463                 return DA(0xe);
1464
1465         default:
1466                 SLJIT_UNREACHABLE();
1467                 return DA(0x8);
1468         }
1469 }
1470
1471 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1472 {
1473         struct sljit_jump *jump;
1474
1475         CHECK_ERROR_PTR();
1476         CHECK_PTR(check_sljit_emit_jump(compiler, type));
1477
1478         jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1479         PTR_FAIL_IF(!jump);
1480         set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1481         type &= 0xff;
1482
1483         if (type < SLJIT_F_EQUAL) {
1484                 jump->flags |= IS_COND;
1485                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1486                         jump->flags |= IS_MOVABLE;
1487 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1488                 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(compiler, type ^ 1) | 5, UNMOVABLE_INS));
1489 #else
1490 #error "Implementation required"
1491 #endif
1492         }
1493         else if (type < SLJIT_JUMP) {
1494                 jump->flags |= IS_COND;
1495                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1496                         jump->flags |= IS_MOVABLE;
1497 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1498                 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(compiler, type ^ 1) | 5, UNMOVABLE_INS));
1499 #else
1500 #error "Implementation required"
1501 #endif
1502         }
1503         else {
1504                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1505                         jump->flags |= IS_MOVABLE;
1506                 if (type >= SLJIT_FAST_CALL)
1507                         jump->flags |= IS_CALL;
1508         }
1509
1510         PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1511         PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG1) | IMM(0), UNMOVABLE_INS));
1512         jump->addr = compiler->size;
1513         PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1514
1515         return jump;
1516 }
1517
1518 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
1519         sljit_s32 arg_types)
1520 {
1521         CHECK_ERROR_PTR();
1522         CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types));
1523
1524         PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL));
1525
1526 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1527                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1528         compiler->skip_checks = 1;
1529 #endif
1530
1531         return sljit_emit_jump(compiler, type);
1532 }
1533
1534 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1535 {
1536         struct sljit_jump *jump = NULL;
1537         sljit_s32 src_r;
1538
1539         CHECK_ERROR();
1540         CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1541         ADJUST_LOCAL_OFFSET(src, srcw);
1542
1543         if (FAST_IS_REG(src))
1544                 src_r = src;
1545         else if (src & SLJIT_IMM) {
1546                 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1547                 FAIL_IF(!jump);
1548                 set_jump(jump, compiler, JUMP_ADDR);
1549                 jump->u.target = (sljit_uw)srcw;
1550
1551                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1552                         jump->flags |= IS_MOVABLE;
1553                 if (type >= SLJIT_FAST_CALL)
1554                         jump->flags |= IS_CALL;
1555
1556                 FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1557                 src_r = TMP_REG1;
1558         }
1559         else {
1560                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1561                 src_r = TMP_REG1;
1562         }
1563
1564         FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1565         if (jump)
1566                 jump->addr = compiler->size;
1567         return push_inst(compiler, NOP, UNMOVABLE_INS);
1568 }
1569
1570 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
1571         sljit_s32 arg_types,
1572         sljit_s32 src, sljit_sw srcw)
1573 {
1574         CHECK_ERROR();
1575         CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw));
1576
1577         if (src & SLJIT_MEM) {
1578                 ADJUST_LOCAL_OFFSET(src, srcw);
1579                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1580                 src = TMP_REG1;
1581         }
1582
1583         FAIL_IF(call_with_args(compiler, arg_types, &src));
1584
1585 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1586                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1587         compiler->skip_checks = 1;
1588 #endif
1589
1590         return sljit_emit_ijump(compiler, type, src, srcw);
1591 }
1592
1593 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1594         sljit_s32 dst, sljit_sw dstw,
1595         sljit_s32 type)
1596 {
1597         sljit_s32 reg;
1598         sljit_u32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1599
1600         CHECK_ERROR();
1601         CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type));
1602         ADJUST_LOCAL_OFFSET(dst, dstw);
1603
1604 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1605         op = GET_OPCODE(op);
1606         reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1607
1608         compiler->cache_arg = 0;
1609         compiler->cache_argw = 0;
1610
1611         if (op >= SLJIT_ADD && (dst & SLJIT_MEM))
1612                 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, dst, dstw, dst, dstw));
1613
1614         if (type < SLJIT_F_EQUAL)
1615                 FAIL_IF(push_inst(compiler, BICC | get_cc(compiler, type) | 3, UNMOVABLE_INS));
1616         else
1617                 FAIL_IF(push_inst(compiler, FBFCC | get_cc(compiler, type) | 3, UNMOVABLE_INS));
1618
1619         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1620         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1621
1622         if (op >= SLJIT_ADD) {
1623                 flags |= CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE;
1624                 if (dst & SLJIT_MEM)
1625                         return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
1626                 return emit_op(compiler, op, flags, dst, 0, dst, 0, TMP_REG2, 0);
1627         }
1628
1629         if (!(dst & SLJIT_MEM))
1630                 return SLJIT_SUCCESS;
1631
1632         return emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw);
1633 #else
1634 #error "Implementation required"
1635 #endif
1636 }
1637
1638 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
1639         sljit_s32 dst_reg,
1640         sljit_s32 src, sljit_sw srcw)
1641 {
1642         CHECK_ERROR();
1643         CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw));
1644
1645 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1646         return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);;
1647 #else
1648 #error "Implementation required"
1649 #endif
1650 }
1651
1652 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1653 {
1654         struct sljit_const *const_;
1655         sljit_s32 dst_r;
1656
1657         CHECK_ERROR_PTR();
1658         CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
1659         ADJUST_LOCAL_OFFSET(dst, dstw);
1660
1661         const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1662         PTR_FAIL_IF(!const_);
1663         set_const(const_, compiler);
1664
1665         dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
1666         PTR_FAIL_IF(emit_const(compiler, dst_r, init_value));
1667
1668         if (dst & SLJIT_MEM)
1669                 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1670         return const_;
1671 }
1672
1673 SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1674 {
1675         struct sljit_put_label *put_label;
1676         sljit_s32 dst_r;
1677
1678         CHECK_ERROR_PTR();
1679         CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
1680         ADJUST_LOCAL_OFFSET(dst, dstw);
1681
1682         put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
1683         PTR_FAIL_IF(!put_label);
1684         set_put_label(put_label, compiler, 0);
1685
1686         dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
1687         PTR_FAIL_IF(emit_const(compiler, dst_r, 0));
1688
1689         if (dst & SLJIT_MEM)
1690                 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1691         return put_label;
1692 }