Annotation of embedaddon/pcre/sljit/sljitNativeMIPS_common.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Stack-less Just-In-Time compiler
! 3: *
! 4: * Copyright 2009-2010 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 SLJIT_CONST char* sljit_get_platform_name()
! 28: {
! 29: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 30: return "mips-32";
! 31: #else
! 32: #error "mips-64 is not yet supported"
! 33: #endif
! 34: }
! 35:
! 36: /* Latest MIPS architecture. */
! 37: /* Detect SLJIT_MIPS_32_64 */
! 38:
! 39: /* Length of an instruction word
! 40: Both for mips-32 and mips-64 */
! 41: typedef sljit_ui sljit_ins;
! 42:
! 43: #define TMP_REG1 (SLJIT_NO_REGISTERS + 1)
! 44: #define TMP_REG2 (SLJIT_NO_REGISTERS + 2)
! 45: #define TMP_REG3 (SLJIT_NO_REGISTERS + 3)
! 46: #define REAL_STACK_PTR (SLJIT_NO_REGISTERS + 4)
! 47:
! 48: /* For position independent code, t9 must contain the function address. */
! 49: #define PIC_ADDR_REG TMP_REG2
! 50:
! 51: /* TMP_EREG1 is used mainly for literal encoding on 64 bit. */
! 52: #define TMP_EREG1 15
! 53: #define TMP_EREG2 24
! 54: /* Floating point status register. */
! 55: #define FCSR_REG 31
! 56: /* Return address register. */
! 57: #define RETURN_ADDR_REG 31
! 58:
! 59: /* Flags are keept in volatile registers. */
! 60: #define EQUAL_FLAG 7
! 61: /* And carry flag as well. */
! 62: #define ULESS_FLAG 10
! 63: #define UGREATER_FLAG 11
! 64: #define LESS_FLAG 12
! 65: #define GREATER_FLAG 13
! 66: #define OVERFLOW_FLAG 14
! 67:
! 68: #define TMP_FREG1 (SLJIT_FLOAT_REG4 + 1)
! 69: #define TMP_FREG2 (SLJIT_FLOAT_REG4 + 2)
! 70:
! 71: /* --------------------------------------------------------------------- */
! 72: /* Instrucion forms */
! 73: /* --------------------------------------------------------------------- */
! 74:
! 75: #define S(s) (reg_map[s] << 21)
! 76: #define T(t) (reg_map[t] << 16)
! 77: #define D(d) (reg_map[d] << 11)
! 78: /* Absolute registers. */
! 79: #define SA(s) ((s) << 21)
! 80: #define TA(t) ((t) << 16)
! 81: #define DA(d) ((d) << 11)
! 82: #define FT(t) ((t) << (16 + 1))
! 83: #define FS(s) ((s) << (11 + 1))
! 84: #define FD(d) ((d) << (6 + 1))
! 85: #define IMM(imm) ((imm) & 0xffff)
! 86: #define SH_IMM(imm) ((imm & 0x1f) << 6)
! 87:
! 88: #define DR(dr) (reg_map[dr])
! 89: #define HI(opcode) ((opcode) << 26)
! 90: #define LO(opcode) (opcode)
! 91: #define FMT_D (17 << 21)
! 92:
! 93: #define ABS_D (HI(17) | FMT_D | LO(5))
! 94: #define ADD_D (HI(17) | FMT_D | LO(0))
! 95: #define ADDU (HI(0) | LO(33))
! 96: #define ADDIU (HI(9))
! 97: #define AND (HI(0) | LO(36))
! 98: #define ANDI (HI(12))
! 99: #define B (HI(4))
! 100: #define BAL (HI(1) | (17 << 16))
! 101: #define BC1F (HI(17) | (8 << 21))
! 102: #define BC1T (HI(17) | (8 << 21) | (1 << 16))
! 103: #define BEQ (HI(4))
! 104: #define BGEZ (HI(1) | (1 << 16))
! 105: #define BGTZ (HI(7))
! 106: #define BLEZ (HI(6))
! 107: #define BLTZ (HI(1) | (0 << 16))
! 108: #define BNE (HI(5))
! 109: #define BREAK (HI(0) | LO(13))
! 110: #define C_UN_D (HI(17) | FMT_D | LO(49))
! 111: #define C_UEQ_D (HI(17) | FMT_D | LO(51))
! 112: #define C_ULT_D (HI(17) | FMT_D | LO(53))
! 113: #define DIV_D (HI(17) | FMT_D | LO(3))
! 114: #define J (HI(2))
! 115: #define JAL (HI(3))
! 116: #define JALR (HI(0) | LO(9))
! 117: #define JR (HI(0) | LO(8))
! 118: #define LD (HI(55))
! 119: #define LDC1 (HI(53))
! 120: #define LUI (HI(15))
! 121: #define LW (HI(35))
! 122: #define NEG_D (HI(17) | FMT_D | LO(7))
! 123: #define MFHI (HI(0) | LO(16))
! 124: #define MFLO (HI(0) | LO(18))
! 125: #define MOV_D (HI(17) | FMT_D | LO(6))
! 126: #define CFC1 (HI(17) | (2 << 21))
! 127: #define MOVN (HI(0) | LO(11))
! 128: #define MOVZ (HI(0) | LO(10))
! 129: #define MUL_D (HI(17) | FMT_D | LO(2))
! 130: #define MULT (HI(0) | LO(24))
! 131: #define NOP (HI(0) | LO(0))
! 132: #define NOR (HI(0) | LO(39))
! 133: #define OR (HI(0) | LO(37))
! 134: #define ORI (HI(13))
! 135: #define SD (HI(63))
! 136: #define SDC1 (HI(61))
! 137: #define SLT (HI(0) | LO(42))
! 138: #define SLTI (HI(10))
! 139: #define SLTIU (HI(11))
! 140: #define SLTU (HI(0) | LO(43))
! 141: #define SLL (HI(0) | LO(0))
! 142: #define SLLV (HI(0) | LO(4))
! 143: #define SRL (HI(0) | LO(2))
! 144: #define SRLV (HI(0) | LO(6))
! 145: #define SRA (HI(0) | LO(3))
! 146: #define SRAV (HI(0) | LO(7))
! 147: #define SUB_D (HI(17) | FMT_D | LO(1))
! 148: #define SUBU (HI(0) | LO(35))
! 149: #define SW (HI(43))
! 150: #define XOR (HI(0) | LO(38))
! 151: #define XORI (HI(14))
! 152:
! 153: #if (defined SLJIT_MIPS_32_64 && SLJIT_MIPS_32_64)
! 154: #define CLZ (HI(28) | LO(32))
! 155: #define MUL (HI(28) | LO(2))
! 156: #define SEB (HI(31) | (16 << 6) | LO(32))
! 157: #define SEH (HI(31) | (24 << 6) | LO(32))
! 158: #endif
! 159:
! 160: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 161: #define ADDU_W ADDU
! 162: #define ADDIU_W ADDIU
! 163: #define SLL_W SLL
! 164: #define SUBU_W SUBU
! 165: #else
! 166: #define ADDU_W DADDU
! 167: #define ADDIU_W DADDIU
! 168: #define SLL_W DSLL
! 169: #define SUBU_W DSUBU
! 170: #endif
! 171:
! 172: #define SIMM_MAX (0x7fff)
! 173: #define SIMM_MIN (-0x8000)
! 174: #define UIMM_MAX (0xffff)
! 175:
! 176: static SLJIT_CONST sljit_ub reg_map[SLJIT_NO_REGISTERS + 6] = {
! 177: 0, 2, 5, 6, 3, 8, 17, 18, 19, 20, 21, 16, 4, 25, 9, 29
! 178: };
! 179:
! 180: /* dest_reg is the absolute name of the register
! 181: Useful for reordering instructions in the delay slot. */
! 182: static int push_inst(struct sljit_compiler *compiler, sljit_ins ins, int delay_slot)
! 183: {
! 184: sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
! 185: FAIL_IF(!ptr);
! 186: *ptr = ins;
! 187: compiler->size++;
! 188: compiler->delay_slot = delay_slot;
! 189: return SLJIT_SUCCESS;
! 190: }
! 191:
! 192: static SLJIT_INLINE sljit_ins invert_branch(int flags)
! 193: {
! 194: return (flags & IS_BIT26_COND) ? (1 << 26) : (1 << 16);
! 195: }
! 196:
! 197: static SLJIT_INLINE sljit_ins* optimize_jump(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code)
! 198: {
! 199: sljit_w diff;
! 200: sljit_uw target_addr;
! 201: sljit_ins *inst;
! 202: sljit_ins saved_inst;
! 203:
! 204: if (jump->flags & SLJIT_REWRITABLE_JUMP)
! 205: return code_ptr;
! 206:
! 207: if (jump->flags & JUMP_ADDR)
! 208: target_addr = jump->u.target;
! 209: else {
! 210: SLJIT_ASSERT(jump->flags & JUMP_LABEL);
! 211: target_addr = (sljit_uw)(code + jump->u.label->size);
! 212: }
! 213: inst = (sljit_ins*)jump->addr;
! 214: if (jump->flags & IS_COND)
! 215: inst--;
! 216:
! 217: /* B instructions. */
! 218: if (jump->flags & IS_MOVABLE) {
! 219: diff = ((sljit_w)target_addr - (sljit_w)(inst)) >> 2;
! 220: if (diff <= SIMM_MAX && diff >= SIMM_MIN) {
! 221: jump->flags |= PATCH_B;
! 222:
! 223: if (!(jump->flags & IS_COND)) {
! 224: inst[0] = inst[-1];
! 225: inst[-1] = (jump->flags & IS_JAL) ? BAL : B;
! 226: jump->addr -= sizeof(sljit_ins);
! 227: return inst;
! 228: }
! 229: saved_inst = inst[0];
! 230: inst[0] = inst[-1];
! 231: inst[-1] = saved_inst ^ invert_branch(jump->flags);
! 232: jump->addr -= 2 * sizeof(sljit_ins);
! 233: return inst;
! 234: }
! 235: }
! 236:
! 237: diff = ((sljit_w)target_addr - (sljit_w)(inst + 1)) >> 2;
! 238: if (diff <= SIMM_MAX && diff >= SIMM_MIN) {
! 239: jump->flags |= PATCH_B;
! 240:
! 241: if (!(jump->flags & IS_COND)) {
! 242: inst[0] = (jump->flags & IS_JAL) ? BAL : B;
! 243: inst[1] = NOP;
! 244: return inst + 1;
! 245: }
! 246: inst[0] = inst[0] ^ invert_branch(jump->flags);
! 247: inst[1] = NOP;
! 248: jump->addr -= sizeof(sljit_ins);
! 249: return inst + 1;
! 250: }
! 251:
! 252: if (jump->flags & IS_COND) {
! 253: if ((target_addr & ~0xfffffff) == ((jump->addr + 3 * sizeof(sljit_ins)) & ~0xfffffff)) {
! 254: jump->flags |= PATCH_J;
! 255: inst[0] = (inst[0] & 0xffff0000) | 3;
! 256: inst[1] = NOP;
! 257: inst[2] = J;
! 258: inst[3] = NOP;
! 259: jump->addr += sizeof(sljit_ins);
! 260: return inst + 3;
! 261: }
! 262: return code_ptr;
! 263: }
! 264:
! 265: /* J instuctions. */
! 266: if (jump->flags & IS_MOVABLE) {
! 267: if ((target_addr & ~0xfffffff) == (jump->addr & ~0xfffffff)) {
! 268: jump->flags |= PATCH_J;
! 269: inst[0] = inst[-1];
! 270: inst[-1] = (jump->flags & IS_JAL) ? JAL : J;
! 271: jump->addr -= sizeof(sljit_ins);
! 272: return inst;
! 273: }
! 274: }
! 275:
! 276: if ((target_addr & ~0xfffffff) == ((jump->addr + sizeof(sljit_ins)) & ~0xfffffff)) {
! 277: jump->flags |= PATCH_J;
! 278: inst[0] = (jump->flags & IS_JAL) ? JAL : J;
! 279: inst[1] = NOP;
! 280: return inst + 1;
! 281: }
! 282:
! 283: return code_ptr;
! 284: }
! 285:
! 286: #ifdef __GNUC__
! 287: static __attribute__ ((noinline)) void sljit_cache_flush(void* code, void* code_ptr)
! 288: {
! 289: SLJIT_CACHE_FLUSH(code, code_ptr);
! 290: }
! 291: #endif
! 292:
! 293: SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
! 294: {
! 295: struct sljit_memory_fragment *buf;
! 296: sljit_ins *code;
! 297: sljit_ins *code_ptr;
! 298: sljit_ins *buf_ptr;
! 299: sljit_ins *buf_end;
! 300: sljit_uw word_count;
! 301: sljit_uw addr;
! 302:
! 303: struct sljit_label *label;
! 304: struct sljit_jump *jump;
! 305: struct sljit_const *const_;
! 306:
! 307: CHECK_ERROR_PTR();
! 308: check_sljit_generate_code(compiler);
! 309: reverse_buf(compiler);
! 310:
! 311: code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
! 312: PTR_FAIL_WITH_EXEC_IF(code);
! 313: buf = compiler->buf;
! 314:
! 315: code_ptr = code;
! 316: word_count = 0;
! 317: label = compiler->labels;
! 318: jump = compiler->jumps;
! 319: const_ = compiler->consts;
! 320: do {
! 321: buf_ptr = (sljit_ins*)buf->memory;
! 322: buf_end = buf_ptr + (buf->used_size >> 2);
! 323: do {
! 324: *code_ptr = *buf_ptr++;
! 325: SLJIT_ASSERT(!label || label->size >= word_count);
! 326: SLJIT_ASSERT(!jump || jump->addr >= word_count);
! 327: SLJIT_ASSERT(!const_ || const_->addr >= word_count);
! 328: /* These structures are ordered by their address. */
! 329: if (label && label->size == word_count) {
! 330: /* Just recording the address. */
! 331: label->addr = (sljit_uw)code_ptr;
! 332: label->size = code_ptr - code;
! 333: label = label->next;
! 334: }
! 335: if (jump && jump->addr == word_count) {
! 336: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 337: jump->addr = (sljit_uw)(code_ptr - 3);
! 338: #else
! 339: jump->addr = (sljit_uw)(code_ptr - 6);
! 340: #endif
! 341: code_ptr = optimize_jump(jump, code_ptr, code);
! 342: jump = jump->next;
! 343: }
! 344: if (const_ && const_->addr == word_count) {
! 345: /* Just recording the address. */
! 346: const_->addr = (sljit_uw)code_ptr;
! 347: const_ = const_->next;
! 348: }
! 349: code_ptr ++;
! 350: word_count ++;
! 351: } while (buf_ptr < buf_end);
! 352:
! 353: buf = buf->next;
! 354: } while (buf);
! 355:
! 356: if (label && label->size == word_count) {
! 357: label->addr = (sljit_uw)code_ptr;
! 358: label->size = code_ptr - code;
! 359: label = label->next;
! 360: }
! 361:
! 362: SLJIT_ASSERT(!label);
! 363: SLJIT_ASSERT(!jump);
! 364: SLJIT_ASSERT(!const_);
! 365: SLJIT_ASSERT(code_ptr - code <= (int)compiler->size);
! 366:
! 367: jump = compiler->jumps;
! 368: while (jump) {
! 369: do {
! 370: addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
! 371: buf_ptr = (sljit_ins*)jump->addr;
! 372:
! 373: if (jump->flags & PATCH_B) {
! 374: addr = (sljit_w)(addr - (jump->addr + sizeof(sljit_ins))) >> 2;
! 375: SLJIT_ASSERT((sljit_w)addr <= SIMM_MAX && (sljit_w)addr >= SIMM_MIN);
! 376: buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | (addr & 0xffff);
! 377: break;
! 378: }
! 379: if (jump->flags & PATCH_J) {
! 380: SLJIT_ASSERT((addr & ~0xfffffff) == ((jump->addr + sizeof(sljit_ins)) & ~0xfffffff));
! 381: buf_ptr[0] |= (addr >> 2) & 0x03ffffff;
! 382: break;
! 383: }
! 384:
! 385: /* Set the fields of immediate loads. */
! 386: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 387: buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff);
! 388: buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff);
! 389: #else
! 390: buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 48) & 0xffff);
! 391: buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 32) & 0xffff);
! 392: buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | ((addr >> 16) & 0xffff);
! 393: buf_ptr[4] = (buf_ptr[4] & 0xffff0000) | (addr & 0xffff);
! 394: #endif
! 395: } while (0);
! 396: jump = jump->next;
! 397: }
! 398:
! 399: compiler->error = SLJIT_ERR_COMPILED;
! 400: compiler->executable_size = compiler->size * sizeof(sljit_ins);
! 401: #ifndef __GNUC__
! 402: SLJIT_CACHE_FLUSH(code, code_ptr);
! 403: #else
! 404: /* GCC workaround for invalid code generation with -O2. */
! 405: sljit_cache_flush(code, code_ptr);
! 406: #endif
! 407: return code;
! 408: }
! 409:
! 410: /* Creates an index in data_transfer_insts array. */
! 411: #define WORD_DATA 0x00
! 412: #define BYTE_DATA 0x01
! 413: #define HALF_DATA 0x02
! 414: #define INT_DATA 0x03
! 415: #define SIGNED_DATA 0x04
! 416: #define LOAD_DATA 0x08
! 417:
! 418: #define MEM_MASK 0x0f
! 419:
! 420: #define WRITE_BACK 0x00010
! 421: #define ARG_TEST 0x00020
! 422: #define CUMULATIVE_OP 0x00040
! 423: #define LOGICAL_OP 0x00080
! 424: #define IMM_OP 0x00100
! 425: #define SRC2_IMM 0x00200
! 426:
! 427: #define UNUSED_DEST 0x00400
! 428: #define REG_DEST 0x00800
! 429: #define REG1_SOURCE 0x01000
! 430: #define REG2_SOURCE 0x02000
! 431: #define SLOW_SRC1 0x04000
! 432: #define SLOW_SRC2 0x08000
! 433: #define SLOW_DEST 0x10000
! 434:
! 435: /* Only these flags are set. UNUSED_DEST is not set when no flags should be set. */
! 436: #define CHECK_FLAGS(list) \
! 437: (!(flags & UNUSED_DEST) || (op & GET_FLAGS(~(list))))
! 438:
! 439: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 440: #include "sljitNativeMIPS_32.c"
! 441: #else
! 442: #include "sljitNativeMIPS_64.c"
! 443: #endif
! 444:
! 445: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 446: #define STACK_STORE SW
! 447: #define STACK_LOAD LW
! 448: #else
! 449: #define STACK_STORE SD
! 450: #define STACK_LOAD LD
! 451: #endif
! 452:
! 453: static int emit_op(struct sljit_compiler *compiler, int op, int inp_flags,
! 454: int dst, sljit_w dstw,
! 455: int src1, sljit_w src1w,
! 456: int src2, sljit_w src2w);
! 457:
! 458: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
! 459: {
! 460: sljit_ins base;
! 461:
! 462: CHECK_ERROR();
! 463: check_sljit_emit_enter(compiler, args, temporaries, generals, local_size);
! 464:
! 465: compiler->temporaries = temporaries;
! 466: compiler->generals = generals;
! 467:
! 468: compiler->has_locals = local_size > 0;
! 469: local_size += (generals + 2 + 4) * sizeof(sljit_w);
! 470: local_size = (local_size + 15) & ~0xf;
! 471: compiler->local_size = local_size;
! 472:
! 473: if (local_size <= SIMM_MAX) {
! 474: /* Frequent case. */
! 475: FAIL_IF(push_inst(compiler, ADDIU_W | S(REAL_STACK_PTR) | T(REAL_STACK_PTR) | IMM(-local_size), DR(REAL_STACK_PTR)));
! 476: base = S(REAL_STACK_PTR);
! 477: }
! 478: else {
! 479: FAIL_IF(load_immediate(compiler, DR(TMP_REG1), local_size));
! 480: FAIL_IF(push_inst(compiler, ADDU_W | S(REAL_STACK_PTR) | TA(0) | D(TMP_REG2), DR(TMP_REG2)));
! 481: FAIL_IF(push_inst(compiler, SUBU_W | S(REAL_STACK_PTR) | T(TMP_REG1) | D(REAL_STACK_PTR), DR(REAL_STACK_PTR)));
! 482: base = S(TMP_REG2);
! 483: local_size = 0;
! 484: }
! 485:
! 486: FAIL_IF(push_inst(compiler, STACK_STORE | base | TA(RETURN_ADDR_REG) | IMM(local_size - 1 * (int)sizeof(sljit_w)), MOVABLE_INS));
! 487: if (compiler->has_locals)
! 488: FAIL_IF(push_inst(compiler, STACK_STORE | base | T(SLJIT_LOCALS_REG) | IMM(local_size - 2 * (int)sizeof(sljit_w)), MOVABLE_INS));
! 489: if (generals >= 1)
! 490: FAIL_IF(push_inst(compiler, STACK_STORE | base | T(SLJIT_GENERAL_REG1) | IMM(local_size - 3 * (int)sizeof(sljit_w)), MOVABLE_INS));
! 491: if (generals >= 2)
! 492: FAIL_IF(push_inst(compiler, STACK_STORE | base | T(SLJIT_GENERAL_REG2) | IMM(local_size - 4 * (int)sizeof(sljit_w)), MOVABLE_INS));
! 493: if (generals >= 3)
! 494: FAIL_IF(push_inst(compiler, STACK_STORE | base | T(SLJIT_GENERAL_REG3) | IMM(local_size - 5 * (int)sizeof(sljit_w)), MOVABLE_INS));
! 495: if (generals >= 4)
! 496: FAIL_IF(push_inst(compiler, STACK_STORE | base | T(SLJIT_GENERAL_EREG1) | IMM(local_size - 6 * (int)sizeof(sljit_w)), MOVABLE_INS));
! 497: if (generals >= 5)
! 498: FAIL_IF(push_inst(compiler, STACK_STORE | base | T(SLJIT_GENERAL_EREG2) | IMM(local_size - 7 * (int)sizeof(sljit_w)), MOVABLE_INS));
! 499:
! 500: if (compiler->has_locals)
! 501: FAIL_IF(push_inst(compiler, ADDIU_W | S(REAL_STACK_PTR) | T(SLJIT_LOCALS_REG) | IMM(4 * sizeof(sljit_w)), DR(SLJIT_LOCALS_REG)));
! 502:
! 503: if (args >= 1)
! 504: FAIL_IF(push_inst(compiler, ADDU_W | SA(4) | TA(0) | D(SLJIT_GENERAL_REG1), DR(SLJIT_GENERAL_REG1)));
! 505: if (args >= 2)
! 506: FAIL_IF(push_inst(compiler, ADDU_W | SA(5) | TA(0) | D(SLJIT_GENERAL_REG2), DR(SLJIT_GENERAL_REG2)));
! 507: if (args >= 3)
! 508: FAIL_IF(push_inst(compiler, ADDU_W | SA(6) | TA(0) | D(SLJIT_GENERAL_REG3), DR(SLJIT_GENERAL_REG3)));
! 509:
! 510: return SLJIT_SUCCESS;
! 511: }
! 512:
! 513: SLJIT_API_FUNC_ATTRIBUTE void sljit_fake_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
! 514: {
! 515: CHECK_ERROR_VOID();
! 516: check_sljit_fake_enter(compiler, args, temporaries, generals, local_size);
! 517:
! 518: compiler->temporaries = temporaries;
! 519: compiler->generals = generals;
! 520:
! 521: compiler->has_locals = local_size > 0;
! 522: local_size += (generals + 2 + 4) * sizeof(sljit_w);
! 523: compiler->local_size = (local_size + 15) & ~0xf;
! 524: }
! 525:
! 526: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
! 527: {
! 528: int local_size;
! 529: sljit_ins base;
! 530:
! 531: CHECK_ERROR();
! 532: check_sljit_emit_return(compiler, src, srcw);
! 533:
! 534: local_size = compiler->local_size;
! 535:
! 536: if (src != SLJIT_UNUSED && src != SLJIT_RETURN_REG)
! 537: FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, SLJIT_RETURN_REG, 0, TMP_REG1, 0, src, srcw));
! 538:
! 539: if (local_size <= SIMM_MAX)
! 540: base = S(REAL_STACK_PTR);
! 541: else {
! 542: FAIL_IF(load_immediate(compiler, DR(TMP_REG1), local_size));
! 543: FAIL_IF(push_inst(compiler, ADDU_W | S(REAL_STACK_PTR) | T(TMP_REG1) | D(TMP_REG1), DR(TMP_REG1)));
! 544: base = S(TMP_REG1);
! 545: local_size = 0;
! 546: }
! 547:
! 548: FAIL_IF(push_inst(compiler, STACK_LOAD | base | TA(RETURN_ADDR_REG) | IMM(local_size - 1 * (int)sizeof(sljit_w)), RETURN_ADDR_REG));
! 549: if (compiler->generals >= 5)
! 550: FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(SLJIT_GENERAL_EREG2) | IMM(local_size - 7 * (int)sizeof(sljit_w)), DR(SLJIT_GENERAL_EREG2)));
! 551: if (compiler->generals >= 4)
! 552: FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(SLJIT_GENERAL_EREG1) | IMM(local_size - 6 * (int)sizeof(sljit_w)), DR(SLJIT_GENERAL_EREG1)));
! 553: if (compiler->generals >= 3)
! 554: FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(SLJIT_GENERAL_REG3) | IMM(local_size - 5 * (int)sizeof(sljit_w)), DR(SLJIT_GENERAL_REG3)));
! 555: if (compiler->generals >= 2)
! 556: FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(SLJIT_GENERAL_REG2) | IMM(local_size - 4 * (int)sizeof(sljit_w)), DR(SLJIT_GENERAL_REG2)));
! 557: if (compiler->generals >= 1)
! 558: FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(SLJIT_GENERAL_REG1) | IMM(local_size - 3 * (int)sizeof(sljit_w)), DR(SLJIT_GENERAL_REG1)));
! 559: if (compiler->has_locals)
! 560: FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(SLJIT_LOCALS_REG) | IMM(local_size - 2 * (int)sizeof(sljit_w)), DR(SLJIT_LOCALS_REG)));
! 561:
! 562: FAIL_IF(push_inst(compiler, JR | SA(RETURN_ADDR_REG), UNMOVABLE_INS));
! 563: if (compiler->local_size <= SIMM_MAX)
! 564: return push_inst(compiler, ADDIU_W | S(REAL_STACK_PTR) | T(REAL_STACK_PTR) | IMM(compiler->local_size), UNMOVABLE_INS);
! 565: else
! 566: return push_inst(compiler, ADDU_W | S(TMP_REG1) | TA(0) | D(REAL_STACK_PTR), UNMOVABLE_INS);
! 567: }
! 568:
! 569: #undef STACK_STORE
! 570: #undef STACK_LOAD
! 571:
! 572: /* --------------------------------------------------------------------- */
! 573: /* Operators */
! 574: /* --------------------------------------------------------------------- */
! 575:
! 576: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 577: #define ARCH_DEPEND(a, b) a
! 578: #else
! 579: #define ARCH_DEPEND(a, b) b
! 580: #endif
! 581:
! 582: static SLJIT_CONST sljit_ins data_transfer_insts[16] = {
! 583: /* s u w */ ARCH_DEPEND(HI(43) /* sw */, HI(63) /* sd */),
! 584: /* s u b */ HI(40) /* sb */,
! 585: /* s u h */ HI(41) /* sh*/,
! 586: /* s u i */ HI(43) /* sw */,
! 587:
! 588: /* s s w */ ARCH_DEPEND(HI(43) /* sw */, HI(63) /* sd */),
! 589: /* s s b */ HI(40) /* sb */,
! 590: /* s s h */ HI(41) /* sh*/,
! 591: /* s s i */ HI(43) /* sw */,
! 592:
! 593: /* l u w */ ARCH_DEPEND(HI(35) /* lw */, HI(55) /* ld */),
! 594: /* l u b */ HI(36) /* lbu */,
! 595: /* l u h */ HI(37) /* lhu */,
! 596: /* l u i */ ARCH_DEPEND(HI(35) /* lw */, HI(39) /* lwu */),
! 597:
! 598: /* l s w */ ARCH_DEPEND(HI(35) /* lw */, HI(55) /* ld */),
! 599: /* l s b */ HI(32) /* lb */,
! 600: /* l s h */ HI(33) /* lh */,
! 601: /* l s i */ HI(35) /* lw */,
! 602: };
! 603:
! 604: /* reg_ar is an absoulute register! */
! 605:
! 606: /* Can perform an operation using at most 1 instruction. */
! 607: static int getput_arg_fast(struct sljit_compiler *compiler, int flags, int reg_ar, int arg, sljit_w argw)
! 608: {
! 609: SLJIT_ASSERT(arg & SLJIT_MEM);
! 610:
! 611: if (!(flags & WRITE_BACK) && !(arg & 0xf0) && argw <= SIMM_MAX && argw >= SIMM_MIN) {
! 612: /* Works for both absoulte and relative addresses. */
! 613: if (SLJIT_UNLIKELY(flags & ARG_TEST))
! 614: return 1;
! 615: FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(arg & 0xf) | TA(reg_ar) | IMM(argw), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS));
! 616: return -1;
! 617: }
! 618: return (flags & ARG_TEST) ? SLJIT_SUCCESS : 0;
! 619: }
! 620:
! 621: /* See getput_arg below.
! 622: Note: can_cache is called only for binary operators. Those
! 623: operators always uses word arguments without write back. */
! 624: static int can_cache(int arg, sljit_w argw, int next_arg, sljit_w next_argw)
! 625: {
! 626: if (!(next_arg & SLJIT_MEM))
! 627: return 0;
! 628:
! 629: /* Simple operation except for updates. */
! 630: if (arg & 0xf0) {
! 631: argw &= 0x3;
! 632: next_argw &= 0x3;
! 633: if (argw && argw == next_argw && (arg == next_arg || (arg & 0xf0) == (next_arg & 0xf0)))
! 634: return 1;
! 635: return 0;
! 636: }
! 637:
! 638: if (arg == next_arg) {
! 639: if (((sljit_uw)(next_argw - argw) <= SIMM_MAX && (sljit_uw)(next_argw - argw) >= SIMM_MIN))
! 640: return 1;
! 641: return 0;
! 642: }
! 643:
! 644: return 0;
! 645: }
! 646:
! 647: /* Emit the necessary instructions. See can_cache above. */
! 648: static int getput_arg(struct sljit_compiler *compiler, int flags, int reg_ar, int arg, sljit_w argw, int next_arg, sljit_w next_argw)
! 649: {
! 650: int tmp_ar;
! 651: int base;
! 652:
! 653: SLJIT_ASSERT(arg & SLJIT_MEM);
! 654: if (!(next_arg & SLJIT_MEM)) {
! 655: next_arg = 0;
! 656: next_argw = 0;
! 657: }
! 658:
! 659: tmp_ar = (flags & LOAD_DATA) ? reg_ar : DR(TMP_REG3);
! 660: base = arg & 0xf;
! 661:
! 662: if (SLJIT_UNLIKELY(arg & 0xf0)) {
! 663: argw &= 0x3;
! 664: if ((flags & WRITE_BACK) && reg_ar == DR(base)) {
! 665: SLJIT_ASSERT(!(flags & LOAD_DATA) && DR(TMP_REG1) != reg_ar);
! 666: FAIL_IF(push_inst(compiler, ADDU_W | SA(reg_ar) | TA(0) | D(TMP_REG1), DR(TMP_REG1)));
! 667: reg_ar = DR(TMP_REG1);
! 668: }
! 669:
! 670: /* Using the cache. */
! 671: if (argw == compiler->cache_argw) {
! 672: if (!(flags & WRITE_BACK)) {
! 673: if (arg == compiler->cache_arg)
! 674: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 675: if ((SLJIT_MEM | (arg & 0xf0)) == compiler->cache_arg) {
! 676: if (arg == next_arg && argw == (next_argw & 0x3)) {
! 677: compiler->cache_arg = arg;
! 678: compiler->cache_argw = argw;
! 679: FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | D(TMP_REG3), DR(TMP_REG3)));
! 680: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 681: }
! 682: FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | DA(tmp_ar), tmp_ar));
! 683: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 684: }
! 685: }
! 686: else {
! 687: if ((SLJIT_MEM | (arg & 0xf0)) == compiler->cache_arg) {
! 688: FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | D(base), DR(base)));
! 689: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(base) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 690: }
! 691: }
! 692: }
! 693:
! 694: if (SLJIT_UNLIKELY(argw)) {
! 695: compiler->cache_arg = SLJIT_MEM | (arg & 0xf0);
! 696: compiler->cache_argw = argw;
! 697: FAIL_IF(push_inst(compiler, SLL_W | T((arg >> 4) & 0xf) | D(TMP_REG3) | SH_IMM(argw), DR(TMP_REG3)));
! 698: }
! 699:
! 700: if (!(flags & WRITE_BACK)) {
! 701: if (arg == next_arg && argw == (next_argw & 0x3)) {
! 702: compiler->cache_arg = arg;
! 703: compiler->cache_argw = argw;
! 704: FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(!argw ? ((arg >> 4) & 0xf) : TMP_REG3) | D(TMP_REG3), DR(TMP_REG3)));
! 705: tmp_ar = DR(TMP_REG3);
! 706: }
! 707: else
! 708: FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(!argw ? ((arg >> 4) & 0xf) : TMP_REG3) | DA(tmp_ar), tmp_ar));
! 709: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 710: }
! 711: FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(!argw ? ((arg >> 4) & 0xf) : TMP_REG3) | D(base), DR(base)));
! 712: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(base) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 713: }
! 714:
! 715: if (SLJIT_UNLIKELY(flags & WRITE_BACK) && base) {
! 716: /* Update only applies if a base register exists. */
! 717: if (reg_ar == DR(base)) {
! 718: SLJIT_ASSERT(!(flags & LOAD_DATA) && DR(TMP_REG1) != reg_ar);
! 719: if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
! 720: FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(base) | TA(reg_ar) | IMM(argw), MOVABLE_INS));
! 721: if (argw)
! 722: return push_inst(compiler, ADDIU_W | S(base) | T(base) | IMM(argw), DR(base));
! 723: return SLJIT_SUCCESS;
! 724: }
! 725: FAIL_IF(push_inst(compiler, ADDU_W | SA(reg_ar) | TA(0) | D(TMP_REG1), DR(TMP_REG1)));
! 726: reg_ar = DR(TMP_REG1);
! 727: }
! 728:
! 729: if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
! 730: if (argw)
! 731: FAIL_IF(push_inst(compiler, ADDIU_W | S(base) | T(base) | IMM(argw), DR(base)));
! 732: }
! 733: else {
! 734: if (compiler->cache_arg == SLJIT_MEM && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) {
! 735: if (argw != compiler->cache_argw) {
! 736: FAIL_IF(push_inst(compiler, ADDIU_W | S(TMP_REG3) | T(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
! 737: compiler->cache_argw = argw;
! 738: }
! 739: FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | D(base), DR(base)));
! 740: }
! 741: else {
! 742: compiler->cache_arg = SLJIT_MEM;
! 743: compiler->cache_argw = argw;
! 744: FAIL_IF(load_immediate(compiler, DR(TMP_REG3), argw));
! 745: FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | D(base), DR(base)));
! 746: }
! 747: }
! 748: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(base) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 749: }
! 750:
! 751: if (compiler->cache_arg == arg && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) {
! 752: if (argw != compiler->cache_argw) {
! 753: FAIL_IF(push_inst(compiler, ADDIU_W | S(TMP_REG3) | T(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
! 754: compiler->cache_argw = argw;
! 755: }
! 756: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 757: }
! 758:
! 759: if (compiler->cache_arg == SLJIT_MEM && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) {
! 760: if (argw != compiler->cache_argw)
! 761: FAIL_IF(push_inst(compiler, ADDIU_W | S(TMP_REG3) | T(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
! 762: }
! 763: else {
! 764: compiler->cache_arg = SLJIT_MEM;
! 765: FAIL_IF(load_immediate(compiler, DR(TMP_REG3), argw));
! 766: }
! 767: compiler->cache_argw = argw;
! 768:
! 769: if (!base)
! 770: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 771:
! 772: if (arg == next_arg && next_argw - argw <= SIMM_MAX && next_argw - argw >= SIMM_MIN) {
! 773: compiler->cache_arg = arg;
! 774: FAIL_IF(push_inst(compiler, ADDU_W | S(TMP_REG3) | T(base) | D(TMP_REG3), DR(TMP_REG3)));
! 775: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 776: }
! 777:
! 778: FAIL_IF(push_inst(compiler, ADDU_W | S(TMP_REG3) | T(base) | DA(tmp_ar), tmp_ar));
! 779: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), (flags & LOAD_DATA) ? reg_ar : MOVABLE_INS);
! 780: }
! 781:
! 782: static SLJIT_INLINE int emit_op_mem(struct sljit_compiler *compiler, int flags, int reg_ar, int arg, sljit_w argw)
! 783: {
! 784: if (getput_arg_fast(compiler, flags, reg_ar, arg, argw))
! 785: return compiler->error;
! 786: compiler->cache_arg = 0;
! 787: compiler->cache_argw = 0;
! 788: return getput_arg(compiler, flags, reg_ar, arg, argw, 0, 0);
! 789: }
! 790:
! 791: static int emit_op(struct sljit_compiler *compiler, int op, int flags,
! 792: int dst, sljit_w dstw,
! 793: int src1, sljit_w src1w,
! 794: int src2, sljit_w src2w)
! 795: {
! 796: /* arg1 goes to TMP_REG1 or src reg
! 797: arg2 goes to TMP_REG2, imm or src reg
! 798: TMP_REG3 can be used for caching
! 799: result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
! 800: int dst_r = TMP_REG2;
! 801: int src1_r;
! 802: sljit_w src2_r = 0;
! 803: int sugg_src2_r = TMP_REG2;
! 804:
! 805: compiler->cache_arg = 0;
! 806: compiler->cache_argw = 0;
! 807:
! 808: if (dst >= SLJIT_TEMPORARY_REG1 && dst <= TMP_REG3) {
! 809: dst_r = dst;
! 810: flags |= REG_DEST;
! 811: if (GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_MOVU_SI)
! 812: sugg_src2_r = dst_r;
! 813: }
! 814: else if (dst == SLJIT_UNUSED) {
! 815: if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM))
! 816: return SLJIT_SUCCESS;
! 817: if (GET_FLAGS(op))
! 818: flags |= UNUSED_DEST;
! 819: }
! 820: else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, DR(TMP_REG1), dst, dstw))
! 821: flags |= SLOW_DEST;
! 822:
! 823: if (flags & IMM_OP) {
! 824: if ((src2 & SLJIT_IMM) && src2w) {
! 825: if ((!(flags & LOGICAL_OP) && (src2w <= SIMM_MAX && src2w >= SIMM_MIN))
! 826: || ((flags & LOGICAL_OP) && !(src2w & ~UIMM_MAX))) {
! 827: flags |= SRC2_IMM;
! 828: src2_r = src2w;
! 829: }
! 830: }
! 831: if ((src1 & SLJIT_IMM) && src1w && (flags & CUMULATIVE_OP) && !(flags & SRC2_IMM)) {
! 832: if ((!(flags & LOGICAL_OP) && (src1w <= SIMM_MAX && src1w >= SIMM_MIN))
! 833: || ((flags & LOGICAL_OP) && !(src1w & ~UIMM_MAX))) {
! 834: flags |= SRC2_IMM;
! 835: src2_r = src1w;
! 836:
! 837: /* And swap arguments. */
! 838: src1 = src2;
! 839: src1w = src2w;
! 840: src2 = SLJIT_IMM;
! 841: /* src2w = src2_r unneeded. */
! 842: }
! 843: }
! 844: }
! 845:
! 846: /* Source 1. */
! 847: if (src1 >= SLJIT_TEMPORARY_REG1 && src1 <= TMP_REG3) {
! 848: src1_r = src1;
! 849: flags |= REG1_SOURCE;
! 850: }
! 851: else if (src1 & SLJIT_IMM) {
! 852: if (src1w) {
! 853: FAIL_IF(load_immediate(compiler, DR(TMP_REG1), src1w));
! 854: src1_r = TMP_REG1;
! 855: }
! 856: else
! 857: src1_r = 0;
! 858: }
! 859: else {
! 860: if (getput_arg_fast(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w))
! 861: FAIL_IF(compiler->error);
! 862: else
! 863: flags |= SLOW_SRC1;
! 864: src1_r = TMP_REG1;
! 865: }
! 866:
! 867: /* Source 2. */
! 868: if (src2 >= SLJIT_TEMPORARY_REG1 && src2 <= TMP_REG3) {
! 869: src2_r = src2;
! 870: flags |= REG2_SOURCE;
! 871: if (!(flags & REG_DEST) && GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_MOVU_SI)
! 872: dst_r = src2_r;
! 873: }
! 874: else if (src2 & SLJIT_IMM) {
! 875: if (!(flags & SRC2_IMM)) {
! 876: if (src2w || (GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_MOVU_SI)) {
! 877: FAIL_IF(load_immediate(compiler, DR(sugg_src2_r), src2w));
! 878: src2_r = sugg_src2_r;
! 879: }
! 880: else
! 881: src2_r = 0;
! 882: }
! 883: }
! 884: else {
! 885: if (getput_arg_fast(compiler, flags | LOAD_DATA, DR(sugg_src2_r), src2, src2w))
! 886: FAIL_IF(compiler->error);
! 887: else
! 888: flags |= SLOW_SRC2;
! 889: src2_r = sugg_src2_r;
! 890: }
! 891:
! 892: if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
! 893: SLJIT_ASSERT(src2_r == TMP_REG2);
! 894: if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
! 895: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG2), src2, src2w, src1, src1w));
! 896: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w, dst, dstw));
! 897: }
! 898: else {
! 899: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w, src2, src2w));
! 900: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG2), src2, src2w, dst, dstw));
! 901: }
! 902: }
! 903: else if (flags & SLOW_SRC1)
! 904: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w, dst, dstw));
! 905: else if (flags & SLOW_SRC2)
! 906: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(sugg_src2_r), src2, src2w, dst, dstw));
! 907:
! 908: FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
! 909:
! 910: if (dst & SLJIT_MEM) {
! 911: if (!(flags & SLOW_DEST)) {
! 912: getput_arg_fast(compiler, flags, DR(dst_r), dst, dstw);
! 913: return compiler->error;
! 914: }
! 915: return getput_arg(compiler, flags, DR(dst_r), dst, dstw, 0, 0);
! 916: }
! 917:
! 918: return SLJIT_SUCCESS;
! 919: }
! 920:
! 921: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op0(struct sljit_compiler *compiler, int op)
! 922: {
! 923: CHECK_ERROR();
! 924: check_sljit_emit_op0(compiler, op);
! 925:
! 926: op = GET_OPCODE(op);
! 927: switch (op) {
! 928: case SLJIT_BREAKPOINT:
! 929: return push_inst(compiler, BREAK, UNMOVABLE_INS);
! 930: case SLJIT_NOP:
! 931: return push_inst(compiler, NOP, UNMOVABLE_INS);
! 932: }
! 933:
! 934: return SLJIT_SUCCESS;
! 935: }
! 936:
! 937: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op1(struct sljit_compiler *compiler, int op,
! 938: int dst, sljit_w dstw,
! 939: int src, sljit_w srcw)
! 940: {
! 941: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 942: #define inp_flags 0
! 943: #endif
! 944:
! 945: CHECK_ERROR();
! 946: check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw);
! 947:
! 948: SLJIT_COMPILE_ASSERT(SLJIT_MOV + 7 == SLJIT_MOVU, movu_offset);
! 949:
! 950: switch (GET_OPCODE(op)) {
! 951: case SLJIT_MOV:
! 952: return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 953:
! 954: case SLJIT_MOV_UI:
! 955: return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 956:
! 957: case SLJIT_MOV_SI:
! 958: return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 959:
! 960: case SLJIT_MOV_UB:
! 961: return emit_op(compiler, SLJIT_MOV_UB, inp_flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
! 962:
! 963: case SLJIT_MOV_SB:
! 964: return emit_op(compiler, SLJIT_MOV_SB, inp_flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
! 965:
! 966: case SLJIT_MOV_UH:
! 967: return emit_op(compiler, SLJIT_MOV_UH, inp_flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
! 968:
! 969: case SLJIT_MOV_SH:
! 970: return emit_op(compiler, SLJIT_MOV_SH, inp_flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
! 971:
! 972: case SLJIT_MOVU:
! 973: return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 974:
! 975: case SLJIT_MOVU_UI:
! 976: return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 977:
! 978: case SLJIT_MOVU_SI:
! 979: return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 980:
! 981: case SLJIT_MOVU_UB:
! 982: return emit_op(compiler, SLJIT_MOV_UB, inp_flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
! 983:
! 984: case SLJIT_MOVU_SB:
! 985: return emit_op(compiler, SLJIT_MOV_SB, inp_flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
! 986:
! 987: case SLJIT_MOVU_UH:
! 988: return emit_op(compiler, SLJIT_MOV_UH, inp_flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
! 989:
! 990: case SLJIT_MOVU_SH:
! 991: return emit_op(compiler, SLJIT_MOV_SH, inp_flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
! 992:
! 993: case SLJIT_NOT:
! 994: return emit_op(compiler, op, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
! 995:
! 996: case SLJIT_NEG:
! 997: return emit_op(compiler, SLJIT_SUB | GET_ALL_FLAGS(op), inp_flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
! 998:
! 999: case SLJIT_CLZ:
! 1000: return emit_op(compiler, op, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
! 1001: }
! 1002:
! 1003: return SLJIT_SUCCESS;
! 1004: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 1005: #undef inp_flags
! 1006: #endif
! 1007: }
! 1008:
! 1009: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op2(struct sljit_compiler *compiler, int op,
! 1010: int dst, sljit_w dstw,
! 1011: int src1, sljit_w src1w,
! 1012: int src2, sljit_w src2w)
! 1013: {
! 1014: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 1015: #define inp_flags 0
! 1016: #endif
! 1017:
! 1018: CHECK_ERROR();
! 1019: check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
! 1020:
! 1021: switch (GET_OPCODE(op)) {
! 1022: case SLJIT_ADD:
! 1023: case SLJIT_ADDC:
! 1024: return emit_op(compiler, op, inp_flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
! 1025:
! 1026: case SLJIT_SUB:
! 1027: case SLJIT_SUBC:
! 1028: return emit_op(compiler, op, inp_flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
! 1029:
! 1030: case SLJIT_MUL:
! 1031: return emit_op(compiler, op, inp_flags | CUMULATIVE_OP, dst, dstw, src1, src1w, src2, src2w);
! 1032:
! 1033: case SLJIT_AND:
! 1034: case SLJIT_OR:
! 1035: case SLJIT_XOR:
! 1036: return emit_op(compiler, op, inp_flags | CUMULATIVE_OP | LOGICAL_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
! 1037:
! 1038: case SLJIT_SHL:
! 1039: case SLJIT_LSHR:
! 1040: case SLJIT_ASHR:
! 1041: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 1042: if (src2 & SLJIT_IMM)
! 1043: src2w &= 0x1f;
! 1044: #else
! 1045: if (src2 & SLJIT_IMM)
! 1046: src2w &= 0x3f;
! 1047: #endif
! 1048: return emit_op(compiler, op, inp_flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
! 1049: }
! 1050:
! 1051: return SLJIT_SUCCESS;
! 1052: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 1053: #undef inp_flags
! 1054: #endif
! 1055: }
! 1056:
! 1057: /* --------------------------------------------------------------------- */
! 1058: /* Floating point operators */
! 1059: /* --------------------------------------------------------------------- */
! 1060:
! 1061: SLJIT_API_FUNC_ATTRIBUTE int sljit_is_fpu_available(void)
! 1062: {
! 1063: #if (defined SLJIT_QEMU && SLJIT_QEMU)
! 1064: /* Qemu says fir is 0 by default. */
! 1065: return 1;
! 1066: #elif defined(__GNUC__)
! 1067: sljit_w fir;
! 1068: asm ("cfc1 %0, $0" : "=r"(fir));
! 1069: return (fir >> 22) & 0x1;
! 1070: #else
! 1071: #error "FIR check is not implemented for this architecture"
! 1072: #endif
! 1073: }
! 1074:
! 1075: static int emit_fpu_data_transfer(struct sljit_compiler *compiler, int fpu_reg, int load, int arg, sljit_w argw)
! 1076: {
! 1077: int hi_reg;
! 1078:
! 1079: SLJIT_ASSERT(arg & SLJIT_MEM);
! 1080:
! 1081: /* Fast loads and stores. */
! 1082: if (!(arg & 0xf0)) {
! 1083: /* Both for (arg & 0xf) == SLJIT_UNUSED and (arg & 0xf) != SLJIT_UNUSED. */
! 1084: if (argw <= SIMM_MAX && argw >= SIMM_MIN)
! 1085: return push_inst(compiler, (load ? LDC1 : SDC1) | S(arg & 0xf) | FT(fpu_reg) | IMM(argw), MOVABLE_INS);
! 1086: }
! 1087:
! 1088: if (arg & 0xf0) {
! 1089: argw &= 0x3;
! 1090: hi_reg = (arg >> 4) & 0xf;
! 1091: if (argw) {
! 1092: FAIL_IF(push_inst(compiler, SLL_W | T(hi_reg) | D(TMP_REG1) | SH_IMM(argw), DR(TMP_REG1)));
! 1093: hi_reg = TMP_REG1;
! 1094: }
! 1095: FAIL_IF(push_inst(compiler, ADDU_W | S(hi_reg) | T(arg & 0xf) | D(TMP_REG1), DR(TMP_REG1)));
! 1096: return push_inst(compiler, (load ? LDC1 : SDC1) | S(TMP_REG1) | FT(fpu_reg) | IMM(0), MOVABLE_INS);
! 1097: }
! 1098:
! 1099: /* Use cache. */
! 1100: if (compiler->cache_arg == arg && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN)
! 1101: return push_inst(compiler, (load ? LDC1 : SDC1) | S(TMP_REG3) | FT(fpu_reg) | IMM(argw - compiler->cache_argw), MOVABLE_INS);
! 1102:
! 1103: /* Put value to cache. */
! 1104: compiler->cache_arg = arg;
! 1105: compiler->cache_argw = argw;
! 1106:
! 1107: FAIL_IF(load_immediate(compiler, DR(TMP_REG3), argw));
! 1108: if (arg & 0xf)
! 1109: FAIL_IF(push_inst(compiler, ADDU_W | S(TMP_REG3) | T(arg & 0xf) | D(TMP_REG3), DR(TMP_REG3)));
! 1110: return push_inst(compiler, (load ? LDC1 : SDC1) | S(TMP_REG3) | FT(fpu_reg) | IMM(0), MOVABLE_INS);
! 1111: }
! 1112:
! 1113: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop1(struct sljit_compiler *compiler, int op,
! 1114: int dst, sljit_w dstw,
! 1115: int src, sljit_w srcw)
! 1116: {
! 1117: int dst_fr;
! 1118:
! 1119: CHECK_ERROR();
! 1120: check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw);
! 1121:
! 1122: compiler->cache_arg = 0;
! 1123: compiler->cache_argw = 0;
! 1124:
! 1125: if (GET_OPCODE(op) == SLJIT_FCMP) {
! 1126: if (dst > SLJIT_FLOAT_REG4) {
! 1127: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, dst, dstw));
! 1128: dst = TMP_FREG1;
! 1129: }
! 1130: if (src > SLJIT_FLOAT_REG4) {
! 1131: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src, srcw));
! 1132: src = TMP_FREG2;
! 1133: }
! 1134:
! 1135: /* src and dst are swapped. */
! 1136: if (op & SLJIT_SET_E) {
! 1137: FAIL_IF(push_inst(compiler, C_UEQ_D | FT(src) | FS(dst), UNMOVABLE_INS));
! 1138: FAIL_IF(push_inst(compiler, CFC1 | TA(EQUAL_FLAG) | DA(FCSR_REG), EQUAL_FLAG));
! 1139: FAIL_IF(push_inst(compiler, SRL | TA(EQUAL_FLAG) | DA(EQUAL_FLAG) | SH_IMM(23), EQUAL_FLAG));
! 1140: FAIL_IF(push_inst(compiler, ANDI | SA(EQUAL_FLAG) | TA(EQUAL_FLAG) | IMM(1), EQUAL_FLAG));
! 1141: }
! 1142: if (op & SLJIT_SET_S) {
! 1143: /* Mixing the instructions for the two checks. */
! 1144: FAIL_IF(push_inst(compiler, C_ULT_D | FT(src) | FS(dst), UNMOVABLE_INS));
! 1145: FAIL_IF(push_inst(compiler, CFC1 | TA(ULESS_FLAG) | DA(FCSR_REG), ULESS_FLAG));
! 1146: FAIL_IF(push_inst(compiler, C_ULT_D | FT(dst) | FS(src), UNMOVABLE_INS));
! 1147: FAIL_IF(push_inst(compiler, SRL | TA(ULESS_FLAG) | DA(ULESS_FLAG) | SH_IMM(23), ULESS_FLAG));
! 1148: FAIL_IF(push_inst(compiler, ANDI | SA(ULESS_FLAG) | TA(ULESS_FLAG) | IMM(1), ULESS_FLAG));
! 1149: FAIL_IF(push_inst(compiler, CFC1 | TA(UGREATER_FLAG) | DA(FCSR_REG), UGREATER_FLAG));
! 1150: FAIL_IF(push_inst(compiler, SRL | TA(UGREATER_FLAG) | DA(UGREATER_FLAG) | SH_IMM(23), UGREATER_FLAG));
! 1151: FAIL_IF(push_inst(compiler, ANDI | SA(UGREATER_FLAG) | TA(UGREATER_FLAG) | IMM(1), UGREATER_FLAG));
! 1152: }
! 1153: return push_inst(compiler, C_UN_D | FT(src) | FS(dst), FCSR_FCC);
! 1154: }
! 1155:
! 1156: dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst;
! 1157:
! 1158: if (src > SLJIT_FLOAT_REG4) {
! 1159: FAIL_IF(emit_fpu_data_transfer(compiler, dst_fr, 1, src, srcw));
! 1160: src = dst_fr;
! 1161: }
! 1162:
! 1163: switch (op) {
! 1164: case SLJIT_FMOV:
! 1165: if (src != dst_fr && dst_fr != TMP_FREG1)
! 1166: FAIL_IF(push_inst(compiler, MOV_D | FS(src) | FD(dst_fr), MOVABLE_INS));
! 1167: break;
! 1168: case SLJIT_FNEG:
! 1169: FAIL_IF(push_inst(compiler, NEG_D | FS(src) | FD(dst_fr), MOVABLE_INS));
! 1170: break;
! 1171: case SLJIT_FABS:
! 1172: FAIL_IF(push_inst(compiler, ABS_D | FS(src) | FD(dst_fr), MOVABLE_INS));
! 1173: break;
! 1174: }
! 1175:
! 1176: if (dst_fr == TMP_FREG1)
! 1177: FAIL_IF(emit_fpu_data_transfer(compiler, src, 0, dst, dstw));
! 1178:
! 1179: return SLJIT_SUCCESS;
! 1180: }
! 1181:
! 1182: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop2(struct sljit_compiler *compiler, int op,
! 1183: int dst, sljit_w dstw,
! 1184: int src1, sljit_w src1w,
! 1185: int src2, sljit_w src2w)
! 1186: {
! 1187: int dst_fr;
! 1188:
! 1189: CHECK_ERROR();
! 1190: check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
! 1191:
! 1192: compiler->cache_arg = 0;
! 1193: compiler->cache_argw = 0;
! 1194:
! 1195: dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst;
! 1196:
! 1197: if (src2 > SLJIT_FLOAT_REG4) {
! 1198: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src2, src2w));
! 1199: src2 = TMP_FREG2;
! 1200: }
! 1201:
! 1202: if (src1 > SLJIT_FLOAT_REG4) {
! 1203: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, src1, src1w));
! 1204: src1 = TMP_FREG1;
! 1205: }
! 1206:
! 1207: switch (op) {
! 1208: case SLJIT_FADD:
! 1209: FAIL_IF(push_inst(compiler, ADD_D | FT(src2) | FS(src1) | FD(dst_fr), MOVABLE_INS));
! 1210: break;
! 1211:
! 1212: case SLJIT_FSUB:
! 1213: FAIL_IF(push_inst(compiler, SUB_D | FT(src2) | FS(src1) | FD(dst_fr), MOVABLE_INS));
! 1214: break;
! 1215:
! 1216: case SLJIT_FMUL:
! 1217: FAIL_IF(push_inst(compiler, MUL_D | FT(src2) | FS(src1) | FD(dst_fr), MOVABLE_INS));
! 1218: break;
! 1219:
! 1220: case SLJIT_FDIV:
! 1221: FAIL_IF(push_inst(compiler, DIV_D | FT(src2) | FS(src1) | FD(dst_fr), MOVABLE_INS));
! 1222: break;
! 1223: }
! 1224:
! 1225: if (dst_fr == TMP_FREG1)
! 1226: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 0, dst, dstw));
! 1227:
! 1228: return SLJIT_SUCCESS;
! 1229: }
! 1230:
! 1231: /* --------------------------------------------------------------------- */
! 1232: /* Other instructions */
! 1233: /* --------------------------------------------------------------------- */
! 1234:
! 1235: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw, int args, int temporaries, int generals, int local_size)
! 1236: {
! 1237: CHECK_ERROR();
! 1238: check_sljit_emit_fast_enter(compiler, dst, dstw, args, temporaries, generals, local_size);
! 1239:
! 1240: compiler->temporaries = temporaries;
! 1241: compiler->generals = generals;
! 1242:
! 1243: compiler->has_locals = local_size > 0;
! 1244: local_size += (generals + 2 + 4) * sizeof(sljit_w);
! 1245: compiler->local_size = (local_size + 15) & ~0xf;
! 1246:
! 1247: if (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS)
! 1248: return push_inst(compiler, ADDU_W | SA(RETURN_ADDR_REG) | TA(0) | D(dst), DR(dst));
! 1249: else if (dst & SLJIT_MEM)
! 1250: return emit_op_mem(compiler, WORD_DATA, RETURN_ADDR_REG, dst, dstw);
! 1251: return SLJIT_SUCCESS;
! 1252: }
! 1253:
! 1254: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
! 1255: {
! 1256: CHECK_ERROR();
! 1257: check_sljit_emit_fast_return(compiler, src, srcw);
! 1258:
! 1259: if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS)
! 1260: FAIL_IF(push_inst(compiler, ADDU_W | S(src) | TA(0) | DA(RETURN_ADDR_REG), RETURN_ADDR_REG));
! 1261: else if (src & SLJIT_MEM)
! 1262: FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, RETURN_ADDR_REG, src, srcw));
! 1263: else if (src & SLJIT_IMM)
! 1264: FAIL_IF(load_immediate(compiler, RETURN_ADDR_REG, srcw));
! 1265:
! 1266: FAIL_IF(push_inst(compiler, JR | SA(RETURN_ADDR_REG), UNMOVABLE_INS));
! 1267: return push_inst(compiler, NOP, UNMOVABLE_INS);
! 1268: }
! 1269:
! 1270: /* --------------------------------------------------------------------- */
! 1271: /* Conditional instructions */
! 1272: /* --------------------------------------------------------------------- */
! 1273:
! 1274: SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
! 1275: {
! 1276: struct sljit_label *label;
! 1277:
! 1278: CHECK_ERROR_PTR();
! 1279: check_sljit_emit_label(compiler);
! 1280:
! 1281: if (compiler->last_label && compiler->last_label->size == compiler->size)
! 1282: return compiler->last_label;
! 1283:
! 1284: label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
! 1285: PTR_FAIL_IF(!label);
! 1286: set_label(label, compiler);
! 1287: compiler->delay_slot = UNMOVABLE_INS;
! 1288: return label;
! 1289: }
! 1290:
! 1291: #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
! 1292: #define JUMP_LENGTH 4
! 1293: #else
! 1294: #define JUMP_LENGTH 7
! 1295: #endif
! 1296:
! 1297: #define BR_Z(src) \
! 1298: inst = BEQ | SA(src) | TA(0) | JUMP_LENGTH; \
! 1299: flags = IS_BIT26_COND; \
! 1300: delay_check = src;
! 1301:
! 1302: #define BR_NZ(src) \
! 1303: inst = BNE | SA(src) | TA(0) | JUMP_LENGTH; \
! 1304: flags = IS_BIT26_COND; \
! 1305: delay_check = src;
! 1306:
! 1307: #define BR_T() \
! 1308: inst = BC1T | JUMP_LENGTH; \
! 1309: flags = IS_BIT16_COND; \
! 1310: delay_check = FCSR_FCC;
! 1311:
! 1312: #define BR_F() \
! 1313: inst = BC1F | JUMP_LENGTH; \
! 1314: flags = IS_BIT16_COND; \
! 1315: delay_check = FCSR_FCC;
! 1316:
! 1317: SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, int type)
! 1318: {
! 1319: struct sljit_jump *jump;
! 1320: sljit_ins inst;
! 1321: int flags = 0;
! 1322: int delay_check = UNMOVABLE_INS;
! 1323:
! 1324: CHECK_ERROR_PTR();
! 1325: check_sljit_emit_jump(compiler, type);
! 1326:
! 1327: jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
! 1328: PTR_FAIL_IF(!jump);
! 1329: set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
! 1330: type &= 0xff;
! 1331:
! 1332: switch (type) {
! 1333: case SLJIT_C_EQUAL:
! 1334: case SLJIT_C_FLOAT_NOT_EQUAL:
! 1335: BR_NZ(EQUAL_FLAG);
! 1336: break;
! 1337: case SLJIT_C_NOT_EQUAL:
! 1338: case SLJIT_C_FLOAT_EQUAL:
! 1339: BR_Z(EQUAL_FLAG);
! 1340: break;
! 1341: case SLJIT_C_LESS:
! 1342: case SLJIT_C_FLOAT_LESS:
! 1343: BR_Z(ULESS_FLAG);
! 1344: break;
! 1345: case SLJIT_C_GREATER_EQUAL:
! 1346: case SLJIT_C_FLOAT_GREATER_EQUAL:
! 1347: BR_NZ(ULESS_FLAG);
! 1348: break;
! 1349: case SLJIT_C_GREATER:
! 1350: case SLJIT_C_FLOAT_GREATER:
! 1351: BR_Z(UGREATER_FLAG);
! 1352: break;
! 1353: case SLJIT_C_LESS_EQUAL:
! 1354: case SLJIT_C_FLOAT_LESS_EQUAL:
! 1355: BR_NZ(UGREATER_FLAG);
! 1356: break;
! 1357: case SLJIT_C_SIG_LESS:
! 1358: BR_Z(LESS_FLAG);
! 1359: break;
! 1360: case SLJIT_C_SIG_GREATER_EQUAL:
! 1361: BR_NZ(LESS_FLAG);
! 1362: break;
! 1363: case SLJIT_C_SIG_GREATER:
! 1364: BR_Z(GREATER_FLAG);
! 1365: break;
! 1366: case SLJIT_C_SIG_LESS_EQUAL:
! 1367: BR_NZ(GREATER_FLAG);
! 1368: break;
! 1369: case SLJIT_C_OVERFLOW:
! 1370: case SLJIT_C_MUL_OVERFLOW:
! 1371: BR_Z(OVERFLOW_FLAG);
! 1372: break;
! 1373: case SLJIT_C_NOT_OVERFLOW:
! 1374: case SLJIT_C_MUL_NOT_OVERFLOW:
! 1375: BR_NZ(OVERFLOW_FLAG);
! 1376: break;
! 1377: case SLJIT_C_FLOAT_NAN:
! 1378: BR_F();
! 1379: break;
! 1380: case SLJIT_C_FLOAT_NOT_NAN:
! 1381: BR_T();
! 1382: break;
! 1383: default:
! 1384: /* Not conditional branch. */
! 1385: inst = 0;
! 1386: break;
! 1387: }
! 1388:
! 1389: jump->flags |= flags;
! 1390: if (compiler->delay_slot == MOVABLE_INS || (compiler->delay_slot != UNMOVABLE_INS && compiler->delay_slot != delay_check))
! 1391: jump->flags |= IS_MOVABLE;
! 1392:
! 1393: if (inst)
! 1394: PTR_FAIL_IF(push_inst(compiler, inst, UNMOVABLE_INS));
! 1395:
! 1396: PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0));
! 1397: if (type <= SLJIT_JUMP) {
! 1398: PTR_FAIL_IF(push_inst(compiler, JR | S(TMP_REG2), UNMOVABLE_INS));
! 1399: jump->addr = compiler->size;
! 1400: PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
! 1401: } else {
! 1402: SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2);
! 1403: /* Cannot be optimized out if type is >= CALL0. */
! 1404: jump->flags |= IS_JAL | (type >= SLJIT_CALL0 ? SLJIT_REWRITABLE_JUMP : 0);
! 1405: PTR_FAIL_IF(push_inst(compiler, JALR | S(TMP_REG2) | DA(RETURN_ADDR_REG), UNMOVABLE_INS));
! 1406: jump->addr = compiler->size;
! 1407: /* A NOP if type < CALL1. */
! 1408: PTR_FAIL_IF(push_inst(compiler, ADDU_W | S(SLJIT_TEMPORARY_REG1) | TA(0) | DA(4), UNMOVABLE_INS));
! 1409: }
! 1410: return jump;
! 1411: }
! 1412:
! 1413: #define RESOLVE_IMM1() \
! 1414: if (src1 & SLJIT_IMM) { \
! 1415: if (src1w) { \
! 1416: PTR_FAIL_IF(load_immediate(compiler, DR(TMP_REG1), src1w)); \
! 1417: src1 = TMP_REG1; \
! 1418: } \
! 1419: else \
! 1420: src1 = 0; \
! 1421: }
! 1422:
! 1423: #define RESOLVE_IMM2() \
! 1424: if (src2 & SLJIT_IMM) { \
! 1425: if (src2w) { \
! 1426: PTR_FAIL_IF(load_immediate(compiler, DR(TMP_REG2), src2w)); \
! 1427: src2 = TMP_REG2; \
! 1428: } \
! 1429: else \
! 1430: src2 = 0; \
! 1431: }
! 1432:
! 1433: SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, int type,
! 1434: int src1, sljit_w src1w,
! 1435: int src2, sljit_w src2w)
! 1436: {
! 1437: struct sljit_jump *jump;
! 1438: int flags;
! 1439: sljit_ins inst;
! 1440:
! 1441: CHECK_ERROR_PTR();
! 1442: check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w);
! 1443:
! 1444: compiler->cache_arg = 0;
! 1445: compiler->cache_argw = 0;
! 1446: flags = ((type & SLJIT_INT_OP) ? INT_DATA : WORD_DATA) | LOAD_DATA;
! 1447: if (src1 & SLJIT_MEM) {
! 1448: if (getput_arg_fast(compiler, flags, DR(TMP_REG1), src1, src1w))
! 1449: PTR_FAIL_IF(compiler->error);
! 1450: else
! 1451: PTR_FAIL_IF(getput_arg(compiler, flags, DR(TMP_REG1), src1, src1w, src2, src2w));
! 1452: src1 = TMP_REG1;
! 1453: }
! 1454: if (src2 & SLJIT_MEM) {
! 1455: if (getput_arg_fast(compiler, flags, DR(TMP_REG2), src2, src2w))
! 1456: PTR_FAIL_IF(compiler->error);
! 1457: else
! 1458: PTR_FAIL_IF(getput_arg(compiler, flags, DR(TMP_REG2), src2, src2w, 0, 0));
! 1459: src2 = TMP_REG2;
! 1460: }
! 1461:
! 1462: jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
! 1463: PTR_FAIL_IF(!jump);
! 1464: set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
! 1465: type &= 0xff;
! 1466:
! 1467: if (type <= SLJIT_C_NOT_EQUAL) {
! 1468: RESOLVE_IMM1();
! 1469: RESOLVE_IMM2();
! 1470: jump->flags |= IS_BIT26_COND;
! 1471: if (compiler->delay_slot == MOVABLE_INS || (compiler->delay_slot != UNMOVABLE_INS && compiler->delay_slot != DR(src1) && compiler->delay_slot != DR(src2)))
! 1472: jump->flags |= IS_MOVABLE;
! 1473: PTR_FAIL_IF(push_inst(compiler, (type == SLJIT_C_EQUAL ? BNE : BEQ) | S(src1) | T(src2) | JUMP_LENGTH, UNMOVABLE_INS));
! 1474: }
! 1475: else if (type >= SLJIT_C_SIG_LESS && (((src1 & SLJIT_IMM) && (src1w == 0)) || ((src2 & SLJIT_IMM) && (src2w == 0)))) {
! 1476: inst = NOP;
! 1477: if ((src1 & SLJIT_IMM) && (src1w == 0)) {
! 1478: RESOLVE_IMM2();
! 1479: switch (type) {
! 1480: case SLJIT_C_SIG_LESS:
! 1481: inst = BLEZ;
! 1482: jump->flags |= IS_BIT26_COND;
! 1483: break;
! 1484: case SLJIT_C_SIG_GREATER_EQUAL:
! 1485: inst = BGTZ;
! 1486: jump->flags |= IS_BIT26_COND;
! 1487: break;
! 1488: case SLJIT_C_SIG_GREATER:
! 1489: inst = BGEZ;
! 1490: jump->flags |= IS_BIT16_COND;
! 1491: break;
! 1492: case SLJIT_C_SIG_LESS_EQUAL:
! 1493: inst = BLTZ;
! 1494: jump->flags |= IS_BIT16_COND;
! 1495: break;
! 1496: }
! 1497: src1 = src2;
! 1498: }
! 1499: else {
! 1500: RESOLVE_IMM1();
! 1501: switch (type) {
! 1502: case SLJIT_C_SIG_LESS:
! 1503: inst = BGEZ;
! 1504: jump->flags |= IS_BIT16_COND;
! 1505: break;
! 1506: case SLJIT_C_SIG_GREATER_EQUAL:
! 1507: inst = BLTZ;
! 1508: jump->flags |= IS_BIT16_COND;
! 1509: break;
! 1510: case SLJIT_C_SIG_GREATER:
! 1511: inst = BLEZ;
! 1512: jump->flags |= IS_BIT26_COND;
! 1513: break;
! 1514: case SLJIT_C_SIG_LESS_EQUAL:
! 1515: inst = BGTZ;
! 1516: jump->flags |= IS_BIT26_COND;
! 1517: break;
! 1518: }
! 1519: }
! 1520: PTR_FAIL_IF(push_inst(compiler, inst | S(src1) | JUMP_LENGTH, UNMOVABLE_INS));
! 1521: }
! 1522: else {
! 1523: if (type == SLJIT_C_LESS || type == SLJIT_C_GREATER_EQUAL || type == SLJIT_C_SIG_LESS || type == SLJIT_C_SIG_GREATER_EQUAL) {
! 1524: RESOLVE_IMM1();
! 1525: if ((src2 & SLJIT_IMM) && src2w <= SIMM_MAX && src2w >= SIMM_MIN)
! 1526: PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_C_LESS_EQUAL ? SLTIU : SLTI) | S(src1) | T(TMP_REG1) | IMM(src2w), DR(TMP_REG1)));
! 1527: else {
! 1528: RESOLVE_IMM2();
! 1529: PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_C_LESS_EQUAL ? SLTU : SLT) | S(src1) | T(src2) | D(TMP_REG1), DR(TMP_REG1)));
! 1530: }
! 1531: type = (type == SLJIT_C_LESS || type == SLJIT_C_SIG_LESS) ? SLJIT_C_NOT_EQUAL : SLJIT_C_EQUAL;
! 1532: }
! 1533: else {
! 1534: RESOLVE_IMM2();
! 1535: if ((src1 & SLJIT_IMM) && src1w <= SIMM_MAX && src1w >= SIMM_MIN)
! 1536: PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_C_LESS_EQUAL ? SLTIU : SLTI) | S(src2) | T(TMP_REG1) | IMM(src1w), DR(TMP_REG1)));
! 1537: else {
! 1538: RESOLVE_IMM1();
! 1539: PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_C_LESS_EQUAL ? SLTU : SLT) | S(src2) | T(src1) | D(TMP_REG1), DR(TMP_REG1)));
! 1540: }
! 1541: type = (type == SLJIT_C_GREATER || type == SLJIT_C_SIG_GREATER) ? SLJIT_C_NOT_EQUAL : SLJIT_C_EQUAL;
! 1542: }
! 1543:
! 1544: jump->flags |= IS_BIT26_COND;
! 1545: PTR_FAIL_IF(push_inst(compiler, (type == SLJIT_C_EQUAL ? BNE : BEQ) | S(TMP_REG1) | TA(0) | JUMP_LENGTH, UNMOVABLE_INS));
! 1546: }
! 1547:
! 1548: PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0));
! 1549: PTR_FAIL_IF(push_inst(compiler, JR | S(TMP_REG2), UNMOVABLE_INS));
! 1550: jump->addr = compiler->size;
! 1551: PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
! 1552: return jump;
! 1553: }
! 1554:
! 1555: #undef RESOLVE_IMM1
! 1556: #undef RESOLVE_IMM2
! 1557:
! 1558: #undef JUMP_LENGTH
! 1559: #undef BR_Z
! 1560: #undef BR_NZ
! 1561: #undef BR_T
! 1562: #undef BR_F
! 1563:
! 1564: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw)
! 1565: {
! 1566: int src_r = TMP_REG2;
! 1567: struct sljit_jump *jump = NULL;
! 1568:
! 1569: CHECK_ERROR();
! 1570: check_sljit_emit_ijump(compiler, type, src, srcw);
! 1571:
! 1572: if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS) {
! 1573: if (DR(src) != 4)
! 1574: src_r = src;
! 1575: else
! 1576: FAIL_IF(push_inst(compiler, ADDU_W | S(src) | TA(0) | D(TMP_REG2), DR(TMP_REG2)));
! 1577: }
! 1578:
! 1579: if (type >= SLJIT_CALL0) {
! 1580: SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2);
! 1581: if (src & (SLJIT_IMM | SLJIT_MEM)) {
! 1582: if (src & SLJIT_IMM)
! 1583: FAIL_IF(load_immediate(compiler, DR(PIC_ADDR_REG), srcw));
! 1584: else {
! 1585: SLJIT_ASSERT(src_r == TMP_REG2 && (src & SLJIT_MEM));
! 1586: FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw));
! 1587: }
! 1588: FAIL_IF(push_inst(compiler, JALR | S(PIC_ADDR_REG) | DA(RETURN_ADDR_REG), UNMOVABLE_INS));
! 1589: /* We need an extra instruction in any case. */
! 1590: return push_inst(compiler, ADDU_W | S(SLJIT_TEMPORARY_REG1) | TA(0) | DA(4), UNMOVABLE_INS);
! 1591: }
! 1592:
! 1593: /* Register input. */
! 1594: if (type >= SLJIT_CALL1)
! 1595: FAIL_IF(push_inst(compiler, ADDU_W | S(SLJIT_TEMPORARY_REG1) | TA(0) | DA(4), 4));
! 1596: FAIL_IF(push_inst(compiler, JALR | S(src_r) | DA(RETURN_ADDR_REG), UNMOVABLE_INS));
! 1597: return push_inst(compiler, ADDU_W | S(src_r) | TA(0) | D(PIC_ADDR_REG), UNMOVABLE_INS);
! 1598: }
! 1599:
! 1600: if (src & SLJIT_IMM) {
! 1601: jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
! 1602: FAIL_IF(!jump);
! 1603: set_jump(jump, compiler, JUMP_ADDR | ((type >= SLJIT_FAST_CALL) ? IS_JAL : 0));
! 1604: jump->u.target = srcw;
! 1605:
! 1606: if (compiler->delay_slot != UNMOVABLE_INS)
! 1607: jump->flags |= IS_MOVABLE;
! 1608:
! 1609: FAIL_IF(emit_const(compiler, TMP_REG2, 0));
! 1610: }
! 1611: else if (src & SLJIT_MEM)
! 1612: FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw));
! 1613:
! 1614: FAIL_IF(push_inst(compiler, JR | S(src_r), UNMOVABLE_INS));
! 1615: if (jump)
! 1616: jump->addr = compiler->size;
! 1617: FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
! 1618: return SLJIT_SUCCESS;
! 1619: }
! 1620:
! 1621: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type)
! 1622: {
! 1623: int sugg_dst_ar, dst_ar;
! 1624:
! 1625: CHECK_ERROR();
! 1626: check_sljit_emit_cond_value(compiler, op, dst, dstw, type);
! 1627:
! 1628: if (dst == SLJIT_UNUSED)
! 1629: return SLJIT_SUCCESS;
! 1630:
! 1631: sugg_dst_ar = DR((op == SLJIT_MOV && dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2);
! 1632:
! 1633: switch (type) {
! 1634: case SLJIT_C_EQUAL:
! 1635: case SLJIT_C_NOT_EQUAL:
! 1636: FAIL_IF(push_inst(compiler, SLTIU | SA(EQUAL_FLAG) | TA(sugg_dst_ar) | IMM(1), sugg_dst_ar));
! 1637: dst_ar = sugg_dst_ar;
! 1638: break;
! 1639: case SLJIT_C_LESS:
! 1640: case SLJIT_C_GREATER_EQUAL:
! 1641: case SLJIT_C_FLOAT_LESS:
! 1642: case SLJIT_C_FLOAT_GREATER_EQUAL:
! 1643: dst_ar = ULESS_FLAG;
! 1644: break;
! 1645: case SLJIT_C_GREATER:
! 1646: case SLJIT_C_LESS_EQUAL:
! 1647: case SLJIT_C_FLOAT_GREATER:
! 1648: case SLJIT_C_FLOAT_LESS_EQUAL:
! 1649: dst_ar = UGREATER_FLAG;
! 1650: break;
! 1651: case SLJIT_C_SIG_LESS:
! 1652: case SLJIT_C_SIG_GREATER_EQUAL:
! 1653: dst_ar = LESS_FLAG;
! 1654: break;
! 1655: case SLJIT_C_SIG_GREATER:
! 1656: case SLJIT_C_SIG_LESS_EQUAL:
! 1657: dst_ar = GREATER_FLAG;
! 1658: break;
! 1659: case SLJIT_C_OVERFLOW:
! 1660: case SLJIT_C_NOT_OVERFLOW:
! 1661: dst_ar = OVERFLOW_FLAG;
! 1662: break;
! 1663: case SLJIT_C_MUL_OVERFLOW:
! 1664: case SLJIT_C_MUL_NOT_OVERFLOW:
! 1665: FAIL_IF(push_inst(compiler, SLTIU | SA(OVERFLOW_FLAG) | TA(sugg_dst_ar) | IMM(1), sugg_dst_ar));
! 1666: dst_ar = sugg_dst_ar;
! 1667: type ^= 0x1; /* Flip type bit for the XORI below. */
! 1668: break;
! 1669: case SLJIT_C_FLOAT_EQUAL:
! 1670: case SLJIT_C_FLOAT_NOT_EQUAL:
! 1671: dst_ar = EQUAL_FLAG;
! 1672: break;
! 1673:
! 1674: case SLJIT_C_FLOAT_NAN:
! 1675: case SLJIT_C_FLOAT_NOT_NAN:
! 1676: FAIL_IF(push_inst(compiler, CFC1 | TA(sugg_dst_ar) | DA(FCSR_REG), sugg_dst_ar));
! 1677: FAIL_IF(push_inst(compiler, SRL | TA(sugg_dst_ar) | DA(sugg_dst_ar) | SH_IMM(23), sugg_dst_ar));
! 1678: FAIL_IF(push_inst(compiler, ANDI | SA(sugg_dst_ar) | TA(sugg_dst_ar) | IMM(1), sugg_dst_ar));
! 1679: dst_ar = sugg_dst_ar;
! 1680: break;
! 1681:
! 1682: default:
! 1683: SLJIT_ASSERT_STOP();
! 1684: dst_ar = sugg_dst_ar;
! 1685: break;
! 1686: }
! 1687:
! 1688: if (type & 0x1) {
! 1689: FAIL_IF(push_inst(compiler, XORI | SA(dst_ar) | TA(sugg_dst_ar) | IMM(1), sugg_dst_ar));
! 1690: dst_ar = sugg_dst_ar;
! 1691: }
! 1692:
! 1693: if (GET_OPCODE(op) == SLJIT_OR) {
! 1694: if (DR(TMP_REG2) != dst_ar)
! 1695: FAIL_IF(push_inst(compiler, ADDU_W | SA(dst_ar) | TA(0) | D(TMP_REG2), DR(TMP_REG2)));
! 1696: return emit_op(compiler, op, CUMULATIVE_OP | LOGICAL_OP | IMM_OP, dst, dstw, dst, dstw, TMP_REG2, 0);
! 1697: }
! 1698:
! 1699: if (dst & SLJIT_MEM)
! 1700: return emit_op_mem(compiler, WORD_DATA, dst_ar, dst, dstw);
! 1701:
! 1702: if (sugg_dst_ar != dst_ar)
! 1703: return push_inst(compiler, ADDU_W | SA(dst_ar) | TA(0) | DA(sugg_dst_ar), sugg_dst_ar);
! 1704: return SLJIT_SUCCESS;
! 1705: }
! 1706:
! 1707: SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w init_value)
! 1708: {
! 1709: struct sljit_const *const_;
! 1710: int reg;
! 1711:
! 1712: CHECK_ERROR_PTR();
! 1713: check_sljit_emit_const(compiler, dst, dstw, init_value);
! 1714:
! 1715: const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
! 1716: PTR_FAIL_IF(!const_);
! 1717: set_const(const_, compiler);
! 1718:
! 1719: reg = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2;
! 1720:
! 1721: PTR_FAIL_IF(emit_const(compiler, reg, init_value));
! 1722:
! 1723: if (dst & SLJIT_MEM)
! 1724: PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0));
! 1725: return const_;
! 1726: }
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