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 /* --------------------------------------------------------------------- */
 473 /*  Entry, exit                                                          */
 474 /* --------------------------------------------------------------------- */
 475
 476 /* Creates an index in data_transfer_insts array. */
 477 #define LOAD_DATA       0x01
 478 #define WORD_DATA       0x00
 479 #define BYTE_DATA       0x02
 480 #define HALF_DATA       0x04
 481 #define INT_DATA        0x06
 482 #define SIGNED_DATA     0x08
 483 /* Separates integer and floating point registers */
 484 #define GPR_REG         0x0f
 485 #define DOUBLE_DATA     0x10
 486 #define SINGLE_DATA     0x12
 487
 488 #define MEM_MASK        0x1f
 489
 490 #define ARG_TEST        0x00020
 491 #define ALT_KEEP_CACHE  0x00040
 492 #define CUMULATIVE_OP   0x00080
 493 #define IMM_OP          0x00100
 494 #define MOVE_OP         0x00200
 495 #define SRC2_IMM        0x00400
 496
 497 #define REG_DEST        0x00800
 498 #define REG2_SOURCE     0x01000
 499 #define SLOW_SRC1       0x02000
 500 #define SLOW_SRC2       0x04000
 501 #define SLOW_DEST       0x08000
 502
 503 /* SET_FLAGS (0x10 << 19) also belong here! */
 504
 505 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 506 #include "sljitNativeSPARC_32.c"
 507 #else
 508 #include "sljitNativeSPARC_64.c"
 509 #endif
 510
 511 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
 512         sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
 513         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 514 {
 515         sljit_s32 reg_index, types, tmp;
 516         sljit_u32 float_offset, args_offset;
 517         sljit_s32 saved_arg_index, scratch_arg_index, float_arg_index;
 518
 519         CHECK_ERROR();
 520         CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
 521         set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
 522
 523         local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 524         compiler->local_size = local_size;
 525
 526         if (local_size <= -SIMM_MIN) {
 527                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
 528         }
 529         else {
 530                 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
 531                 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
 532         }
 533
 534         arg_types >>= SLJIT_ARG_SHIFT;
 535
 536         types = arg_types;
 537         float_offset = 16 * sizeof(sljit_sw);
 538         reg_index = 24;
 539
 540         while (types && reg_index < 24 + 6) {
 541                 switch (types & SLJIT_ARG_MASK) {
 542                 case SLJIT_ARG_TYPE_F64:
 543                         if (reg_index & 0x1) {
 544                                 FAIL_IF(push_inst(compiler, STW | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 545                                 if (reg_index >= 24 + 6 - 1)
 546                                         break;
 547                                 FAIL_IF(push_inst(compiler, STW | DA(reg_index + 1) | S1(SLJIT_SP) | IMM(float_offset + sizeof(sljit_sw)), MOVABLE_INS));
 548                         } else
 549                                 FAIL_IF(push_inst(compiler, STD | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 550
 551                         float_offset += sizeof(sljit_f64);
 552                         reg_index++;
 553                         break;
 554                 case SLJIT_ARG_TYPE_F32:
 555                         FAIL_IF(push_inst(compiler, STW | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 556                         float_offset += sizeof(sljit_f64);
 557                         break;
 558                 }
 559
 560                 reg_index++;
 561                 types >>= SLJIT_ARG_SHIFT;
 562         }
 563
 564         args_offset = (16 + 1 + 6) * sizeof(sljit_sw);
 565         float_offset = 16 * sizeof(sljit_sw);
 566         reg_index = 24;
 567         saved_arg_index = 24;
 568         scratch_arg_index = 8 - 1;
 569         float_arg_index = 1;
 570
 571         while (arg_types) {
 572                 switch (arg_types & SLJIT_ARG_MASK) {
 573                 case SLJIT_ARG_TYPE_F64:
 574                         if (reg_index < 24 + 6 - 1) {
 575                                 FAIL_IF(push_inst(compiler, LDDF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 576                         } else if (reg_index < 24 + 6) {
 577                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 578                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | (1 << 25) | S1A(30) | IMM(args_offset), MOVABLE_INS));
 579                         } else {
 580                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | S1A(30) | IMM(args_offset), MOVABLE_INS));
 581                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | (1 << 25) | S1A(30) | IMM(args_offset + sizeof(sljit_sw)), MOVABLE_INS));
 582                         }
 583
 584                         float_arg_index++;
 585                         float_offset += sizeof(sljit_f64);
 586                         reg_index++;
 587                         break;
 588                 case SLJIT_ARG_TYPE_F32:
 589                         if (reg_index < 24 + 6)
 590                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS));
 591                         else
 592                                 FAIL_IF(push_inst(compiler, LDF | FD(float_arg_index) | S1A(30) | IMM(args_offset), MOVABLE_INS));
 593                         float_arg_index++;
 594                         float_offset += sizeof(sljit_f64);
 595                         break;
 596                 default:
 597                         scratch_arg_index++;
 598
 599                         if (!(arg_types & SLJIT_ARG_TYPE_SCRATCH_REG)) {
 600                                 tmp = saved_arg_index++;
 601                                 if (tmp == reg_index)
 602                                         break;
 603                         } else
 604                                 tmp = scratch_arg_index;
 605
 606                         if (reg_index < 24 + 6)
 607                                 FAIL_IF(push_inst(compiler, OR | DA(tmp) | S1(0) | S2A(reg_index), tmp));
 608                         else
 609                                 FAIL_IF(push_inst(compiler, LDUW | DA(tmp) | S1A(30) | IMM(args_offset), tmp));
 610                         break;
 611                 }
 612
 613                 reg_index++;
 614                 arg_types >>= SLJIT_ARG_SHIFT;
 615         }
 616
 617         return SLJIT_SUCCESS;
 618 }
 619
 620 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
 621         sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
 622         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 623 {
 624         CHECK_ERROR();
 625         CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
 626         set_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
 627
 628         compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
 629         return SLJIT_SUCCESS;
 630 }
 631
 632 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return_void(struct sljit_compiler *compiler)
 633 {
 634         CHECK_ERROR();
 635         CHECK(check_sljit_emit_return_void(compiler));
 636
 637         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
 638         return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(SLJIT_R0) | S2(0), UNMOVABLE_INS);
 639 }
 640
 641 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
 642 {
 643         CHECK_ERROR();
 644         CHECK(check_sljit_emit_return(compiler, op, src, srcw));
 645
 646         if (TYPE_CAST_NEEDED(op) || !FAST_IS_REG(src)) {
 647                 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
 648                 src = SLJIT_R0;
 649         }
 650
 651         FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
 652         return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
 653 }
 654
 655 /* --------------------------------------------------------------------- */
 656 /*  Operators                                                            */
 657 /* --------------------------------------------------------------------- */
 658
 659 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 660 #define ARCH_32_64(a, b)        a
 661 #else
 662 #define ARCH_32_64(a, b)        b
 663 #endif
 664
 665 static const sljit_ins data_transfer_insts[16 + 4] = {
 666 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 667 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 668 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
 669 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
 670 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
 671 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
 672 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
 673 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
 674
 675 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
 676 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
 677 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
 678 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
 679 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
 680 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
 681 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
 682 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
 683
 684 /* d   s */ OPC1(3) | OPC3(0x27),
 685 /* d   l */ OPC1(3) | OPC3(0x23),
 686 /* s   s */ OPC1(3) | OPC3(0x24),
 687 /* s   l */ OPC1(3) | OPC3(0x20),
 688 };
 689
 690 #undef ARCH_32_64
 691
 692 /* Can perform an operation using at most 1 instruction. */
 693 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_u32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 694 {
 695         SLJIT_ASSERT(arg & SLJIT_MEM);
 696
 697         if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
 698                         || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
 699                 /* Works for both absoulte and relative addresses (immediate case). */
 700                 if (SLJIT_UNLIKELY(flags & ARG_TEST))
 701                         return 1;
 702                 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
 703                         | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))
 704                         | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
 705                         ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
 706                 return -1;
 707         }
 708         return 0;
 709 }
 710
 711 /* See getput_arg below.
 712    Note: can_cache is called only for binary operators. Those
 713    operators always uses word arguments without write back. */
 714 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
 715 {
 716         SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
 717
 718         /* Simple operation except for updates. */
 719         if (arg & OFFS_REG_MASK) {
 720                 argw &= 0x3;
 721                 SLJIT_ASSERT(argw);
 722                 next_argw &= 0x3;
 723                 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
 724                         return 1;
 725                 return 0;
 726         }
 727
 728         if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
 729                 return 1;
 730         return 0;
 731 }
 732
 733 /* Emit the necessary instructions. See can_cache above. */
 734 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)
 735 {
 736         sljit_s32 base, arg2, delay_slot;
 737         sljit_ins dest;
 738
 739         SLJIT_ASSERT(arg & SLJIT_MEM);
 740         if (!(next_arg & SLJIT_MEM)) {
 741                 next_arg = 0;
 742                 next_argw = 0;
 743         }
 744
 745         base = arg & REG_MASK;
 746         if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
 747                 argw &= 0x3;
 748
 749                 /* Using the cache. */
 750                 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
 751                         arg2 = TMP_REG3;
 752                 else {
 753                         if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
 754                                 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
 755                                 compiler->cache_argw = argw;
 756                                 arg2 = TMP_REG3;
 757                         }
 758                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
 759                                 arg2 = reg;
 760                         else /* It must be a mov operation, so tmp1 must be free to use. */
 761                                 arg2 = TMP_REG1;
 762                         FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | (sljit_ins)argw, DR(arg2)));
 763                 }
 764         }
 765         else {
 766                 /* Using the cache. */
 767                 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
 768                         if (argw != compiler->cache_argw) {
 769                                 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
 770                                 compiler->cache_argw = argw;
 771                         }
 772                         arg2 = TMP_REG3;
 773                 } else {
 774                         if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
 775                                 compiler->cache_arg = SLJIT_MEM;
 776                                 compiler->cache_argw = argw;
 777                                 arg2 = TMP_REG3;
 778                         }
 779                         else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
 780                                 arg2 = reg;
 781                         else /* It must be a mov operation, so tmp1 must be free to use. */
 782                                 arg2 = TMP_REG1;
 783                         FAIL_IF(load_immediate(compiler, arg2, argw));
 784                 }
 785         }
 786
 787         dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg));
 788         delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
 789         if (!base)
 790                 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
 791         return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
 792 }
 793
 794 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_u32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
 795 {
 796         if (getput_arg_fast(compiler, flags, reg, arg, argw))
 797                 return compiler->error;
 798         compiler->cache_arg = 0;
 799         compiler->cache_argw = 0;
 800         return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
 801 }
 802
 803 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)
 804 {
 805         if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
 806                 return compiler->error;
 807         return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
 808 }
 809
 810 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_u32 flags,
 811         sljit_s32 dst, sljit_sw dstw,
 812         sljit_s32 src1, sljit_sw src1w,
 813         sljit_s32 src2, sljit_sw src2w)
 814 {
 815         /* arg1 goes to TMP_REG1 or src reg
 816            arg2 goes to TMP_REG2, imm or src reg
 817            TMP_REG3 can be used for caching
 818            result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
 819         sljit_s32 dst_r = TMP_REG2;
 820         sljit_s32 src1_r;
 821         sljit_sw src2_r = 0;
 822         sljit_s32 sugg_src2_r = TMP_REG2;
 823
 824         if (!(flags & ALT_KEEP_CACHE)) {
 825                 compiler->cache_arg = 0;
 826                 compiler->cache_argw = 0;
 827         }
 828
 829         if (dst != TMP_REG2) {
 830                 if (FAST_IS_REG(dst)) {
 831                         dst_r = dst;
 832                         flags |= REG_DEST;
 833                         if (flags & MOVE_OP)
 834                                 sugg_src2_r = dst_r;
 835                 }
 836                 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
 837                         flags |= SLOW_DEST;
 838         }
 839
 840         if (flags & IMM_OP) {
 841                 if ((src2 & SLJIT_IMM) && src2w) {
 842                         if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
 843                                 flags |= SRC2_IMM;
 844                                 src2_r = src2w;
 845                         }
 846                 }
 847                 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
 848                         if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
 849                                 flags |= SRC2_IMM;
 850                                 src2_r = src1w;
 851
 852                                 /* And swap arguments. */
 853                                 src1 = src2;
 854                                 src1w = src2w;
 855                                 src2 = SLJIT_IMM;
 856                                 /* src2w = src2_r unneeded. */
 857                         }
 858                 }
 859         }
 860
 861         /* Source 1. */
 862         if (FAST_IS_REG(src1))
 863                 src1_r = src1;
 864         else if (src1 & SLJIT_IMM) {
 865                 if (src1w) {
 866                         FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
 867                         src1_r = TMP_REG1;
 868                 }
 869                 else
 870                         src1_r = 0;
 871         }
 872         else {
 873                 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
 874                         FAIL_IF(compiler->error);
 875                 else
 876                         flags |= SLOW_SRC1;
 877                 src1_r = TMP_REG1;
 878         }
 879
 880         /* Source 2. */
 881         if (FAST_IS_REG(src2)) {
 882                 src2_r = src2;
 883                 flags |= REG2_SOURCE;
 884                 if ((flags & (REG_DEST | MOVE_OP)) == MOVE_OP)
 885                         dst_r = src2_r;
 886         }
 887         else if (src2 & SLJIT_IMM) {
 888                 if (!(flags & SRC2_IMM)) {
 889                         if (src2w) {
 890                                 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
 891                                 src2_r = sugg_src2_r;
 892                         }
 893                         else {
 894                                 src2_r = 0;
 895                                 if (flags & MOVE_OP) {
 896                                         if (dst & SLJIT_MEM)
 897                                                 dst_r = 0;
 898                                         else
 899                                                 op = SLJIT_MOV;
 900                                 }
 901                         }
 902                 }
 903         }
 904         else {
 905                 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
 906                         FAIL_IF(compiler->error);
 907                 else
 908                         flags |= SLOW_SRC2;
 909                 src2_r = sugg_src2_r;
 910         }
 911
 912         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
 913                 SLJIT_ASSERT(src2_r == TMP_REG2);
 914                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
 915                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
 916                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 917                 }
 918                 else {
 919                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
 920                         FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
 921                 }
 922         }
 923         else if (flags & SLOW_SRC1)
 924                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
 925         else if (flags & SLOW_SRC2)
 926                 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
 927
 928         FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
 929
 930         if (dst & SLJIT_MEM) {
 931                 if (!(flags & SLOW_DEST)) {
 932                         getput_arg_fast(compiler, flags, dst_r, dst, dstw);
 933                         return compiler->error;
 934                 }
 935                 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
 936         }
 937
 938         return SLJIT_SUCCESS;
 939 }
 940
 941 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
 942 {
 943         CHECK_ERROR();
 944         CHECK(check_sljit_emit_op0(compiler, op));
 945
 946         op = GET_OPCODE(op);
 947         switch (op) {
 948         case SLJIT_BREAKPOINT:
 949                 return push_inst(compiler, TA, UNMOVABLE_INS);
 950         case SLJIT_NOP:
 951                 return push_inst(compiler, NOP, UNMOVABLE_INS);
 952         case SLJIT_LMUL_UW:
 953         case SLJIT_LMUL_SW:
 954 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 955                 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 956                 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
 957 #else
 958 #error "Implementation required"
 959 #endif
 960         case SLJIT_DIVMOD_UW:
 961         case SLJIT_DIVMOD_SW:
 962         case SLJIT_DIV_UW:
 963         case SLJIT_DIV_SW:
 964                 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments);
 965 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 966                 if ((op | 0x2) == SLJIT_DIV_UW)
 967                         FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
 968                 else {
 969                         FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
 970                         FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
 971                 }
 972                 if (op <= SLJIT_DIVMOD_SW)
 973                         FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
 974                 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
 975                 if (op >= SLJIT_DIV_UW)
 976                         return SLJIT_SUCCESS;
 977                 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
 978                 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
 979 #else
 980 #error "Implementation required"
 981 #endif
 982         case SLJIT_ENDBR:
 983         case SLJIT_SKIP_FRAMES_BEFORE_RETURN:
 984                 return SLJIT_SUCCESS;
 985         }
 986
 987         return SLJIT_SUCCESS;
 988 }
 989
 990 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
 991         sljit_s32 dst, sljit_sw dstw,
 992         sljit_s32 src, sljit_sw srcw)
 993 {
 994         sljit_u32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
 995
 996         CHECK_ERROR();
 997         CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
 998         ADJUST_LOCAL_OFFSET(dst, dstw);
 999         ADJUST_LOCAL_OFFSET(src, srcw);
1000
1001         op = GET_OPCODE(op);
1002         switch (op) {
1003         case SLJIT_MOV:
1004 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1005         case SLJIT_MOV_U32:
1006         case SLJIT_MOV_S32:
1007         case SLJIT_MOV32:
1008 #endif
1009         case SLJIT_MOV_P:
1010                 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, srcw);
1011
1012         case SLJIT_MOV_U8:
1013                 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);
1014
1015         case SLJIT_MOV_S8:
1016                 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);
1017
1018         case SLJIT_MOV_U16:
1019                 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);
1020
1021         case SLJIT_MOV_S16:
1022                 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);
1023
1024         case SLJIT_NOT:
1025         case SLJIT_CLZ:
1026                 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
1027
1028         case SLJIT_NEG:
1029                 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
1030         }
1031
1032         return SLJIT_SUCCESS;
1033 }
1034
1035 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
1036         sljit_s32 dst, sljit_sw dstw,
1037         sljit_s32 src1, sljit_sw src1w,
1038         sljit_s32 src2, sljit_sw src2w)
1039 {
1040         sljit_u32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1041
1042         CHECK_ERROR();
1043         CHECK(check_sljit_emit_op2(compiler, op, 0, dst, dstw, src1, src1w, src2, src2w));
1044         ADJUST_LOCAL_OFFSET(dst, dstw);
1045         ADJUST_LOCAL_OFFSET(src1, src1w);
1046         ADJUST_LOCAL_OFFSET(src2, src2w);
1047
1048         op = GET_OPCODE(op);
1049         switch (op) {
1050         case SLJIT_ADD:
1051         case SLJIT_ADDC:
1052         case SLJIT_MUL:
1053         case SLJIT_AND:
1054         case SLJIT_OR:
1055         case SLJIT_XOR:
1056                 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
1057
1058         case SLJIT_SUB:
1059         case SLJIT_SUBC:
1060                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
1061
1062         case SLJIT_SHL:
1063         case SLJIT_LSHR:
1064         case SLJIT_ASHR:
1065 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1066                 if (src2 & SLJIT_IMM)
1067                         src2w &= 0x1f;
1068 #else
1069                 SLJIT_UNREACHABLE();
1070 #endif
1071                 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
1072         }
1073
1074         return SLJIT_SUCCESS;
1075 }
1076
1077 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2u(struct sljit_compiler *compiler, sljit_s32 op,
1078         sljit_s32 src1, sljit_sw src1w,
1079         sljit_s32 src2, sljit_sw src2w)
1080 {
1081         CHECK_ERROR();
1082         CHECK(check_sljit_emit_op2(compiler, op, 1, 0, 0, src1, src1w, src2, src2w));
1083
1084 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1085                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1086         compiler->skip_checks = 1;
1087 #endif
1088         return sljit_emit_op2(compiler, op, TMP_REG2, 0, src1, src1w, src2, src2w);
1089 }
1090
1091 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op,
1092         sljit_s32 src, sljit_sw srcw)
1093 {
1094         CHECK_ERROR();
1095         CHECK(check_sljit_emit_op_src(compiler, op, src, srcw));
1096         ADJUST_LOCAL_OFFSET(src, srcw);
1097
1098         switch (op) {
1099         case SLJIT_FAST_RETURN:
1100                 if (FAST_IS_REG(src))
1101                         FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
1102                 else
1103                         FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
1104
1105                 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
1106                 return push_inst(compiler, NOP, UNMOVABLE_INS);
1107         case SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN:
1108         case SLJIT_PREFETCH_L1:
1109         case SLJIT_PREFETCH_L2:
1110         case SLJIT_PREFETCH_L3:
1111         case SLJIT_PREFETCH_ONCE:
1112                 return SLJIT_SUCCESS;
1113         }
1114
1115         return SLJIT_SUCCESS;
1116 }
1117
1118 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
1119 {
1120         CHECK_REG_INDEX(check_sljit_get_register_index(reg));
1121         return reg_map[reg];
1122 }
1123
1124 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
1125 {
1126         CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
1127         return freg_map[reg];
1128 }
1129
1130 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
1131         void *instruction, sljit_u32 size)
1132 {
1133         CHECK_ERROR();
1134         CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
1135
1136         return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
1137 }
1138
1139 /* --------------------------------------------------------------------- */
1140 /*  Floating point operators                                             */
1141 /* --------------------------------------------------------------------- */
1142
1143 #define FLOAT_DATA(op) ((sljit_ins)DOUBLE_DATA | (((sljit_ins)(op) & SLJIT_32) >> 7))
1144 #define SELECT_FOP(op, single, double) ((op & SLJIT_32) ? single : double)
1145 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
1146
1147 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
1148         sljit_s32 dst, sljit_sw dstw,
1149         sljit_s32 src, sljit_sw srcw)
1150 {
1151         if (src & SLJIT_MEM) {
1152                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1153                 src = TMP_FREG1;
1154         }
1155
1156         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | FD(TMP_FREG1) | FS2(src), MOVABLE_INS));
1157
1158         if (FAST_IS_REG(dst)) {
1159                 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));
1160                 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);
1161         }
1162
1163         /* Store the integer value from a VFP register. */
1164         return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
1165 }
1166
1167 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
1168         sljit_s32 dst, sljit_sw dstw,
1169         sljit_s32 src, sljit_sw srcw)
1170 {
1171         sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1172
1173         if (src & SLJIT_IMM) {
1174 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
1175                 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
1176                         srcw = (sljit_s32)srcw;
1177 #endif
1178                 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
1179                 src = TMP_REG1;
1180                 srcw = 0;
1181         }
1182
1183         if (FAST_IS_REG(src)) {
1184                 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));
1185                 src = SLJIT_MEM1(SLJIT_SP);
1186                 srcw = FLOAT_TMP_MEM_OFFSET;
1187         }
1188
1189         FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1190         FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | FD(dst_r) | FS2(TMP_FREG1), MOVABLE_INS));
1191
1192         if (dst & SLJIT_MEM)
1193                 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
1194         return SLJIT_SUCCESS;
1195 }
1196
1197 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1198         sljit_s32 src1, sljit_sw src1w,
1199         sljit_s32 src2, sljit_sw src2w)
1200 {
1201         if (src1 & SLJIT_MEM) {
1202                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1203                 src1 = TMP_FREG1;
1204         }
1205
1206         if (src2 & SLJIT_MEM) {
1207                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
1208                 src2 = TMP_FREG2;
1209         }
1210
1211         return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | FS1(src1) | FS2(src2), FCC_IS_SET | MOVABLE_INS);
1212 }
1213
1214 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1215         sljit_s32 dst, sljit_sw dstw,
1216         sljit_s32 src, sljit_sw srcw)
1217 {
1218         sljit_s32 dst_r;
1219
1220         CHECK_ERROR();
1221         compiler->cache_arg = 0;
1222         compiler->cache_argw = 0;
1223
1224         SLJIT_COMPILE_ASSERT((SLJIT_32 == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
1225         SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1226
1227         if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1228                 op ^= SLJIT_32;
1229
1230         dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1231
1232         if (src & SLJIT_MEM) {
1233                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
1234                 src = dst_r;
1235         }
1236
1237         switch (GET_OPCODE(op)) {
1238         case SLJIT_MOV_F64:
1239                 if (src != dst_r) {
1240                         if (dst_r != TMP_FREG1) {
1241                                 FAIL_IF(push_inst(compiler, FMOVS | FD(dst_r) | FS2(src), MOVABLE_INS));
1242                                 if (!(op & SLJIT_32))
1243                                         FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1244                         }
1245                         else
1246                                 dst_r = src;
1247                 }
1248                 break;
1249         case SLJIT_NEG_F64:
1250                 FAIL_IF(push_inst(compiler, FNEGS | FD(dst_r) | FS2(src), MOVABLE_INS));
1251                 if (dst_r != src && !(op & SLJIT_32))
1252                         FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1253                 break;
1254         case SLJIT_ABS_F64:
1255                 FAIL_IF(push_inst(compiler, FABSS | FD(dst_r) | FS2(src), MOVABLE_INS));
1256                 if (dst_r != src && !(op & SLJIT_32))
1257                         FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1258                 break;
1259         case SLJIT_CONV_F64_FROM_F32:
1260                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | FD(dst_r) | FS2(src), MOVABLE_INS));
1261                 op ^= SLJIT_32;
1262                 break;
1263         }
1264
1265         if (dst & SLJIT_MEM)
1266                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
1267         return SLJIT_SUCCESS;
1268 }
1269
1270 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1271         sljit_s32 dst, sljit_sw dstw,
1272         sljit_s32 src1, sljit_sw src1w,
1273         sljit_s32 src2, sljit_sw src2w)
1274 {
1275         sljit_s32 dst_r, flags = 0;
1276
1277         CHECK_ERROR();
1278         CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1279         ADJUST_LOCAL_OFFSET(dst, dstw);
1280         ADJUST_LOCAL_OFFSET(src1, src1w);
1281         ADJUST_LOCAL_OFFSET(src2, src2w);
1282
1283         compiler->cache_arg = 0;
1284         compiler->cache_argw = 0;
1285
1286         dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2;
1287
1288         if (src1 & SLJIT_MEM) {
1289                 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1290                         FAIL_IF(compiler->error);
1291                         src1 = TMP_FREG1;
1292                 } else
1293                         flags |= SLOW_SRC1;
1294         }
1295
1296         if (src2 & SLJIT_MEM) {
1297                 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
1298                         FAIL_IF(compiler->error);
1299                         src2 = TMP_FREG2;
1300                 } else
1301                         flags |= SLOW_SRC2;
1302         }
1303
1304         if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1305                 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1306                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1307                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1308                 }
1309                 else {
1310                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1311                         FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1312                 }
1313         }
1314         else if (flags & SLOW_SRC1)
1315                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1316         else if (flags & SLOW_SRC2)
1317                 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1318
1319         if (flags & SLOW_SRC1)
1320                 src1 = TMP_FREG1;
1321         if (flags & SLOW_SRC2)
1322                 src2 = TMP_FREG2;
1323
1324         switch (GET_OPCODE(op)) {
1325         case SLJIT_ADD_F64:
1326                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1327                 break;
1328
1329         case SLJIT_SUB_F64:
1330                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1331                 break;
1332
1333         case SLJIT_MUL_F64:
1334                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1335                 break;
1336
1337         case SLJIT_DIV_F64:
1338                 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1339                 break;
1340         }
1341
1342         if (dst_r == TMP_FREG2)
1343                 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1344
1345         return SLJIT_SUCCESS;
1346 }
1347
1348 #undef FLOAT_DATA
1349 #undef SELECT_FOP
1350
1351 /* --------------------------------------------------------------------- */
1352 /*  Other instructions                                                   */
1353 /* --------------------------------------------------------------------- */
1354
1355 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1356 {
1357         CHECK_ERROR();
1358         CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1359         ADJUST_LOCAL_OFFSET(dst, dstw);
1360
1361         if (FAST_IS_REG(dst))
1362                 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), UNMOVABLE_INS);
1363
1364         /* Memory. */
1365         FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw));
1366         compiler->delay_slot = UNMOVABLE_INS;
1367         return SLJIT_SUCCESS;
1368 }
1369
1370 /* --------------------------------------------------------------------- */
1371 /*  Conditional instructions                                             */
1372 /* --------------------------------------------------------------------- */
1373
1374 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1375 {
1376         struct sljit_label *label;
1377
1378         CHECK_ERROR_PTR();
1379         CHECK_PTR(check_sljit_emit_label(compiler));
1380
1381         if (compiler->last_label && compiler->last_label->size == compiler->size)
1382                 return compiler->last_label;
1383
1384         label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1385         PTR_FAIL_IF(!label);
1386         set_label(label, compiler);
1387         compiler->delay_slot = UNMOVABLE_INS;
1388         return label;
1389 }
1390
1391 static sljit_ins get_cc(struct sljit_compiler *compiler, sljit_s32 type)
1392 {
1393         switch (type) {
1394         case SLJIT_EQUAL:
1395         case SLJIT_NOT_EQUAL_F64: /* Unordered. */
1396                 return DA(0x1);
1397
1398         case SLJIT_NOT_EQUAL:
1399         case SLJIT_EQUAL_F64:
1400                 return DA(0x9);
1401
1402         case SLJIT_LESS:
1403         case SLJIT_GREATER_F64: /* Unordered. */
1404                 return DA(0x5);
1405
1406         case SLJIT_GREATER_EQUAL:
1407         case SLJIT_LESS_EQUAL_F64:
1408                 return DA(0xd);
1409
1410         case SLJIT_GREATER:
1411         case SLJIT_GREATER_EQUAL_F64: /* Unordered. */
1412                 return DA(0xc);
1413
1414         case SLJIT_LESS_EQUAL:
1415         case SLJIT_LESS_F64:
1416                 return DA(0x4);
1417
1418         case SLJIT_SIG_LESS:
1419                 return DA(0x3);
1420
1421         case SLJIT_SIG_GREATER_EQUAL:
1422                 return DA(0xb);
1423
1424         case SLJIT_SIG_GREATER:
1425                 return DA(0xa);
1426
1427         case SLJIT_SIG_LESS_EQUAL:
1428                 return DA(0x2);
1429
1430         case SLJIT_OVERFLOW:
1431                 if (!(compiler->status_flags_state & SLJIT_CURRENT_FLAGS_ADD_SUB))
1432                         return DA(0x9);
1433                 /* fallthrough */
1434
1435         case SLJIT_UNORDERED_F64:
1436                 return DA(0x7);
1437
1438         case SLJIT_NOT_OVERFLOW:
1439                 if (!(compiler->status_flags_state & SLJIT_CURRENT_FLAGS_ADD_SUB))
1440                         return DA(0x1);
1441                 /* fallthrough */
1442
1443         case SLJIT_ORDERED_F64:
1444                 return DA(0xf);
1445
1446         default:
1447                 SLJIT_UNREACHABLE();
1448                 return DA(0x8);
1449         }
1450 }
1451
1452 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1453 {
1454         struct sljit_jump *jump;
1455
1456         CHECK_ERROR_PTR();
1457         CHECK_PTR(check_sljit_emit_jump(compiler, type));
1458
1459         jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1460         PTR_FAIL_IF(!jump);
1461         set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1462         type &= 0xff;
1463
1464         if (type < SLJIT_EQUAL_F64) {
1465                 jump->flags |= IS_COND;
1466                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1467                         jump->flags |= IS_MOVABLE;
1468 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1469                 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(compiler, type ^ 1) | 5, UNMOVABLE_INS));
1470 #else
1471 #error "Implementation required"
1472 #endif
1473         }
1474         else if (type < SLJIT_JUMP) {
1475                 jump->flags |= IS_COND;
1476                 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1477                         jump->flags |= IS_MOVABLE;
1478 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1479                 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(compiler, type ^ 1) | 5, UNMOVABLE_INS));
1480 #else
1481 #error "Implementation required"
1482 #endif
1483         }
1484         else {
1485                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1486                         jump->flags |= IS_MOVABLE;
1487                 if (type >= SLJIT_FAST_CALL)
1488                         jump->flags |= IS_CALL;
1489         }
1490
1491         PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1492         PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG1) | IMM(0), UNMOVABLE_INS));
1493         jump->addr = compiler->size;
1494         PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1495
1496         return jump;
1497 }
1498
1499 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
1500         sljit_s32 arg_types)
1501 {
1502         CHECK_ERROR_PTR();
1503         CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types));
1504
1505         PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL));
1506
1507 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1508                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1509         compiler->skip_checks = 1;
1510 #endif
1511
1512         return sljit_emit_jump(compiler, type);
1513 }
1514
1515 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1516 {
1517         struct sljit_jump *jump = NULL;
1518         sljit_s32 src_r;
1519
1520         CHECK_ERROR();
1521         CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1522         ADJUST_LOCAL_OFFSET(src, srcw);
1523
1524         if (FAST_IS_REG(src))
1525                 src_r = src;
1526         else if (src & SLJIT_IMM) {
1527                 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1528                 FAIL_IF(!jump);
1529                 set_jump(jump, compiler, JUMP_ADDR);
1530                 jump->u.target = (sljit_uw)srcw;
1531
1532                 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1533                         jump->flags |= IS_MOVABLE;
1534                 if (type >= SLJIT_FAST_CALL)
1535                         jump->flags |= IS_CALL;
1536
1537                 FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1538                 src_r = TMP_REG1;
1539         }
1540         else {
1541                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1542                 src_r = TMP_REG1;
1543         }
1544
1545         FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1546         if (jump)
1547                 jump->addr = compiler->size;
1548         return push_inst(compiler, NOP, UNMOVABLE_INS);
1549 }
1550
1551 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
1552         sljit_s32 arg_types,
1553         sljit_s32 src, sljit_sw srcw)
1554 {
1555         CHECK_ERROR();
1556         CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw));
1557
1558         if (src & SLJIT_MEM) {
1559                 ADJUST_LOCAL_OFFSET(src, srcw);
1560                 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1561                 src = TMP_REG1;
1562         }
1563
1564         FAIL_IF(call_with_args(compiler, arg_types, &src));
1565
1566 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1567                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1568         compiler->skip_checks = 1;
1569 #endif
1570
1571         return sljit_emit_ijump(compiler, type, src, srcw);
1572 }
1573
1574 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1575         sljit_s32 dst, sljit_sw dstw,
1576         sljit_s32 type)
1577 {
1578         sljit_s32 reg;
1579         sljit_u32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1580
1581         CHECK_ERROR();
1582         CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type));
1583         ADJUST_LOCAL_OFFSET(dst, dstw);
1584
1585 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1586         op = GET_OPCODE(op);
1587         reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1588
1589         compiler->cache_arg = 0;
1590         compiler->cache_argw = 0;
1591
1592         if (op >= SLJIT_ADD && (dst & SLJIT_MEM))
1593                 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, dst, dstw, dst, dstw));
1594
1595         type &= 0xff;
1596         if (type < SLJIT_EQUAL_F64)
1597                 FAIL_IF(push_inst(compiler, BICC | get_cc(compiler, type) | 3, UNMOVABLE_INS));
1598         else
1599                 FAIL_IF(push_inst(compiler, FBFCC | get_cc(compiler, type) | 3, UNMOVABLE_INS));
1600
1601         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1602         FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1603
1604         if (op >= SLJIT_ADD) {
1605                 flags |= CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE;
1606                 if (dst & SLJIT_MEM)
1607                         return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
1608                 return emit_op(compiler, op, flags, dst, 0, dst, 0, TMP_REG2, 0);
1609         }
1610
1611         if (!(dst & SLJIT_MEM))
1612                 return SLJIT_SUCCESS;
1613
1614         return emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw);
1615 #else
1616 #error "Implementation required"
1617 #endif
1618 }
1619
1620 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
1621         sljit_s32 dst_reg,
1622         sljit_s32 src, sljit_sw srcw)
1623 {
1624         CHECK_ERROR();
1625         CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw));
1626
1627 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1628         return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);;
1629 #else
1630 #error "Implementation required"
1631 #endif
1632 }
1633
1634 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1635 {
1636         struct sljit_const *const_;
1637         sljit_s32 dst_r;
1638
1639         CHECK_ERROR_PTR();
1640         CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
1641         ADJUST_LOCAL_OFFSET(dst, dstw);
1642
1643         const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1644         PTR_FAIL_IF(!const_);
1645         set_const(const_, compiler);
1646
1647         dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
1648         PTR_FAIL_IF(emit_const(compiler, dst_r, init_value));
1649
1650         if (dst & SLJIT_MEM)
1651                 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1652         return const_;
1653 }
1654
1655 SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1656 {
1657         struct sljit_put_label *put_label;
1658         sljit_s32 dst_r;
1659
1660         CHECK_ERROR_PTR();
1661         CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
1662         ADJUST_LOCAL_OFFSET(dst, dstw);
1663
1664         put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
1665         PTR_FAIL_IF(!put_label);
1666         set_put_label(put_label, compiler, 0);
1667
1668         dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
1669         PTR_FAIL_IF(emit_const(compiler, dst_r, 0));
1670
1671         if (dst & SLJIT_MEM)
1672                 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1673         return put_label;
1674 }