Annotation of embedaddon/pcre/sljit/sljitNativeSPARC_common.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Stack-less Just-In-Time compiler
! 3: *
! 4: * Copyright 2009-2012 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(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_ui sljit_ins;
! 35:
! 36: static void sparc_cache_flush(sljit_ins *from, sljit_ins *to)
! 37: {
! 38: #if defined(__SUNPRO_C) && __SUNPRO_C < 0x590
! 39: __asm (
! 40: /* if (from == to) return */
! 41: "cmp %i0, %i1\n"
! 42: "be .leave\n"
! 43: "nop\n"
! 44:
! 45: /* loop until from >= to */
! 46: ".mainloop:\n"
! 47: "flush %i0\n"
! 48: "add %i0, 8, %i0\n"
! 49: "cmp %i0, %i1\n"
! 50: "bcs .mainloop\n"
! 51: "nop\n"
! 52:
! 53: /* The comparison was done above. */
! 54: "bne .leave\n"
! 55: /* nop is not necessary here, since the
! 56: sub operation has no side effect. */
! 57: "sub %i0, 4, %i0\n"
! 58: "flush %i0\n"
! 59: ".leave:"
! 60: );
! 61: #else
! 62: if (SLJIT_UNLIKELY(from == to))
! 63: return;
! 64:
! 65: do {
! 66: __asm__ volatile (
! 67: "flush %0\n"
! 68: : : "r"(from)
! 69: );
! 70: /* Operates at least on doubleword. */
! 71: from += 2;
! 72: } while (from < to);
! 73:
! 74: if (from == to) {
! 75: /* Flush the last word. */
! 76: from --;
! 77: __asm__ volatile (
! 78: "flush %0\n"
! 79: : : "r"(from)
! 80: );
! 81: }
! 82: #endif
! 83: }
! 84:
! 85: /* TMP_REG2 is not used by getput_arg */
! 86: #define TMP_REG1 (SLJIT_NO_REGISTERS + 1)
! 87: #define TMP_REG2 (SLJIT_NO_REGISTERS + 2)
! 88: #define TMP_REG3 (SLJIT_NO_REGISTERS + 3)
! 89: #define TMP_REG4 (SLJIT_NO_REGISTERS + 4)
! 90: #define LINK_REG (SLJIT_NO_REGISTERS + 5)
! 91:
! 92: #define TMP_FREG1 (0)
! 93: #define TMP_FREG2 ((SLJIT_FLOAT_REG6 + 1) << 1)
! 94:
! 95: static SLJIT_CONST sljit_ub reg_map[SLJIT_NO_REGISTERS + 7] = {
! 96: 0, 8, 9, 10, 11, 12, 16, 17, 18, 19, 20, 14, 1, 24, 25, 26, 15
! 97: };
! 98:
! 99: /* --------------------------------------------------------------------- */
! 100: /* Instrucion forms */
! 101: /* --------------------------------------------------------------------- */
! 102:
! 103: #define D(d) (reg_map[d] << 25)
! 104: #define DA(d) ((d) << 25)
! 105: #define S1(s1) (reg_map[s1] << 14)
! 106: #define S2(s2) (reg_map[s2])
! 107: #define S1A(s1) ((s1) << 14)
! 108: #define S2A(s2) (s2)
! 109: #define IMM_ARG 0x2000
! 110: #define DOP(op) ((op) << 5)
! 111: #define IMM(imm) (((imm) & 0x1fff) | IMM_ARG)
! 112:
! 113: #define DR(dr) (reg_map[dr])
! 114: #define OPC1(opcode) ((opcode) << 30)
! 115: #define OPC2(opcode) ((opcode) << 22)
! 116: #define OPC3(opcode) ((opcode) << 19)
! 117: #define SET_FLAGS OPC3(0x10)
! 118:
! 119: #define ADD (OPC1(0x2) | OPC3(0x00))
! 120: #define ADDC (OPC1(0x2) | OPC3(0x08))
! 121: #define AND (OPC1(0x2) | OPC3(0x01))
! 122: #define ANDN (OPC1(0x2) | OPC3(0x05))
! 123: #define CALL (OPC1(0x1))
! 124: #define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09))
! 125: #define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42))
! 126: #define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41))
! 127: #define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52))
! 128: #define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51))
! 129: #define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e))
! 130: #define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d))
! 131: #define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01))
! 132: #define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a))
! 133: #define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49))
! 134: #define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05))
! 135: #define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46))
! 136: #define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45))
! 137: #define JMPL (OPC1(0x2) | OPC3(0x38))
! 138: #define NOP (OPC1(0x0) | OPC2(0x04))
! 139: #define OR (OPC1(0x2) | OPC3(0x02))
! 140: #define ORN (OPC1(0x2) | OPC3(0x06))
! 141: #define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0))
! 142: #define RESTORE (OPC1(0x2) | OPC3(0x3d))
! 143: #define SAVE (OPC1(0x2) | OPC3(0x3c))
! 144: #define SETHI (OPC1(0x0) | OPC2(0x04))
! 145: #define SLL (OPC1(0x2) | OPC3(0x25))
! 146: #define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12))
! 147: #define SRA (OPC1(0x2) | OPC3(0x27))
! 148: #define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12))
! 149: #define SRL (OPC1(0x2) | OPC3(0x26))
! 150: #define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12))
! 151: #define SUB (OPC1(0x2) | OPC3(0x04))
! 152: #define SUBC (OPC1(0x2) | OPC3(0x0c))
! 153: #define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25))
! 154: #define WRY (OPC1(0x2) | OPC3(0x30) | DA(0))
! 155: #define XOR (OPC1(0x2) | OPC3(0x03))
! 156: #define XNOR (OPC1(0x2) | OPC3(0x07))
! 157:
! 158: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 159: #define MAX_DISP (0x1fffff)
! 160: #define MIN_DISP (-0x200000)
! 161: #define DISP_MASK (0x3fffff)
! 162:
! 163: #define BICC (OPC1(0x0) | OPC2(0x2))
! 164: #define FBFCC (OPC1(0x0) | OPC2(0x6))
! 165: #define SLL_W SLL
! 166: #define SDIV (OPC1(0x2) | OPC3(0x0f))
! 167: #define SMUL (OPC1(0x2) | OPC3(0x0b))
! 168: #define UDIV (OPC1(0x2) | OPC3(0x0e))
! 169: #define UMUL (OPC1(0x2) | OPC3(0x0a))
! 170: #else
! 171: #define SLL_W SLLX
! 172: #endif
! 173:
! 174: #define SIMM_MAX (0x0fff)
! 175: #define SIMM_MIN (-0x1000)
! 176:
! 177: /* dest_reg is the absolute name of the register
! 178: Useful for reordering instructions in the delay slot. */
! 179: static sljit_si push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_si delay_slot)
! 180: {
! 181: sljit_ins *ptr;
! 182: SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS
! 183: || (delay_slot & DST_INS_MASK) == MOVABLE_INS
! 184: || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f));
! 185: ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
! 186: FAIL_IF(!ptr);
! 187: *ptr = ins;
! 188: compiler->size++;
! 189: compiler->delay_slot = delay_slot;
! 190: return SLJIT_SUCCESS;
! 191: }
! 192:
! 193: static SLJIT_INLINE sljit_ins* optimize_jump(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code)
! 194: {
! 195: sljit_sw diff;
! 196: sljit_uw target_addr;
! 197: sljit_ins *inst;
! 198: sljit_ins saved_inst;
! 199:
! 200: if (jump->flags & SLJIT_REWRITABLE_JUMP)
! 201: return code_ptr;
! 202:
! 203: if (jump->flags & JUMP_ADDR)
! 204: target_addr = jump->u.target;
! 205: else {
! 206: SLJIT_ASSERT(jump->flags & JUMP_LABEL);
! 207: target_addr = (sljit_uw)(code + jump->u.label->size);
! 208: }
! 209: inst = (sljit_ins*)jump->addr;
! 210:
! 211: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 212: if (jump->flags & IS_CALL) {
! 213: /* Call is always patchable on sparc 32. */
! 214: jump->flags |= PATCH_CALL;
! 215: if (jump->flags & IS_MOVABLE) {
! 216: inst[0] = inst[-1];
! 217: inst[-1] = CALL;
! 218: jump->addr -= sizeof(sljit_ins);
! 219: return inst;
! 220: }
! 221: inst[0] = CALL;
! 222: inst[1] = NOP;
! 223: return inst + 1;
! 224: }
! 225: #else
! 226: /* Both calls and BPr instructions shall not pass this point. */
! 227: #error "Implementation required"
! 228: #endif
! 229:
! 230: if (jump->flags & IS_COND)
! 231: inst--;
! 232:
! 233: if (jump->flags & IS_MOVABLE) {
! 234: diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1)) >> 2;
! 235: if (diff <= MAX_DISP && diff >= MIN_DISP) {
! 236: jump->flags |= PATCH_B;
! 237: inst--;
! 238: if (jump->flags & IS_COND) {
! 239: saved_inst = inst[0];
! 240: inst[0] = inst[1] ^ (1 << 28);
! 241: inst[1] = saved_inst;
! 242: } else {
! 243: inst[1] = inst[0];
! 244: inst[0] = BICC | DA(0x8);
! 245: }
! 246: jump->addr = (sljit_uw)inst;
! 247: return inst + 1;
! 248: }
! 249: }
! 250:
! 251: diff = ((sljit_sw)target_addr - (sljit_sw)(inst)) >> 2;
! 252: if (diff <= MAX_DISP && diff >= MIN_DISP) {
! 253: jump->flags |= PATCH_B;
! 254: if (jump->flags & IS_COND)
! 255: inst[0] ^= (1 << 28);
! 256: else
! 257: inst[0] = BICC | DA(0x8);
! 258: inst[1] = NOP;
! 259: jump->addr = (sljit_uw)inst;
! 260: return inst + 1;
! 261: }
! 262:
! 263: return code_ptr;
! 264: }
! 265:
! 266: SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
! 267: {
! 268: struct sljit_memory_fragment *buf;
! 269: sljit_ins *code;
! 270: sljit_ins *code_ptr;
! 271: sljit_ins *buf_ptr;
! 272: sljit_ins *buf_end;
! 273: sljit_uw word_count;
! 274: sljit_uw addr;
! 275:
! 276: struct sljit_label *label;
! 277: struct sljit_jump *jump;
! 278: struct sljit_const *const_;
! 279:
! 280: CHECK_ERROR_PTR();
! 281: check_sljit_generate_code(compiler);
! 282: reverse_buf(compiler);
! 283:
! 284: code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
! 285: PTR_FAIL_WITH_EXEC_IF(code);
! 286: buf = compiler->buf;
! 287:
! 288: code_ptr = code;
! 289: word_count = 0;
! 290: label = compiler->labels;
! 291: jump = compiler->jumps;
! 292: const_ = compiler->consts;
! 293: do {
! 294: buf_ptr = (sljit_ins*)buf->memory;
! 295: buf_end = buf_ptr + (buf->used_size >> 2);
! 296: do {
! 297: *code_ptr = *buf_ptr++;
! 298: SLJIT_ASSERT(!label || label->size >= word_count);
! 299: SLJIT_ASSERT(!jump || jump->addr >= word_count);
! 300: SLJIT_ASSERT(!const_ || const_->addr >= word_count);
! 301: /* These structures are ordered by their address. */
! 302: if (label && label->size == word_count) {
! 303: /* Just recording the address. */
! 304: label->addr = (sljit_uw)code_ptr;
! 305: label->size = code_ptr - code;
! 306: label = label->next;
! 307: }
! 308: if (jump && jump->addr == word_count) {
! 309: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 310: jump->addr = (sljit_uw)(code_ptr - 3);
! 311: #else
! 312: jump->addr = (sljit_uw)(code_ptr - 6);
! 313: #endif
! 314: code_ptr = optimize_jump(jump, code_ptr, code);
! 315: jump = jump->next;
! 316: }
! 317: if (const_ && const_->addr == word_count) {
! 318: /* Just recording the address. */
! 319: const_->addr = (sljit_uw)code_ptr;
! 320: const_ = const_->next;
! 321: }
! 322: code_ptr ++;
! 323: word_count ++;
! 324: } while (buf_ptr < buf_end);
! 325:
! 326: buf = buf->next;
! 327: } while (buf);
! 328:
! 329: if (label && label->size == word_count) {
! 330: label->addr = (sljit_uw)code_ptr;
! 331: label->size = code_ptr - code;
! 332: label = label->next;
! 333: }
! 334:
! 335: SLJIT_ASSERT(!label);
! 336: SLJIT_ASSERT(!jump);
! 337: SLJIT_ASSERT(!const_);
! 338: SLJIT_ASSERT(code_ptr - code <= (sljit_si)compiler->size);
! 339:
! 340: jump = compiler->jumps;
! 341: while (jump) {
! 342: do {
! 343: addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
! 344: buf_ptr = (sljit_ins*)jump->addr;
! 345:
! 346: if (jump->flags & PATCH_CALL) {
! 347: addr = (sljit_sw)(addr - jump->addr) >> 2;
! 348: SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000);
! 349: buf_ptr[0] = CALL | (addr & 0x3fffffff);
! 350: break;
! 351: }
! 352: if (jump->flags & PATCH_B) {
! 353: addr = (sljit_sw)(addr - jump->addr) >> 2;
! 354: SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP);
! 355: buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK);
! 356: break;
! 357: }
! 358:
! 359: /* Set the fields of immediate loads. */
! 360: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 361: buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff);
! 362: buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff);
! 363: #else
! 364: #error "Implementation required"
! 365: #endif
! 366: } while (0);
! 367: jump = jump->next;
! 368: }
! 369:
! 370:
! 371: compiler->error = SLJIT_ERR_COMPILED;
! 372: compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
! 373: SLJIT_CACHE_FLUSH(code, code_ptr);
! 374: return code;
! 375: }
! 376:
! 377: /* --------------------------------------------------------------------- */
! 378: /* Entry, exit */
! 379: /* --------------------------------------------------------------------- */
! 380:
! 381: /* Creates an index in data_transfer_insts array. */
! 382: #define LOAD_DATA 0x01
! 383: #define WORD_DATA 0x00
! 384: #define BYTE_DATA 0x02
! 385: #define HALF_DATA 0x04
! 386: #define INT_DATA 0x06
! 387: #define SIGNED_DATA 0x08
! 388: /* Separates integer and floating point registers */
! 389: #define GPR_REG 0x0f
! 390: #define DOUBLE_DATA 0x10
! 391:
! 392: #define MEM_MASK 0x1f
! 393:
! 394: #define WRITE_BACK 0x00020
! 395: #define ARG_TEST 0x00040
! 396: #define ALT_KEEP_CACHE 0x00080
! 397: #define CUMULATIVE_OP 0x00100
! 398: #define IMM_OP 0x00200
! 399: #define SRC2_IMM 0x00400
! 400:
! 401: #define REG_DEST 0x00800
! 402: #define REG2_SOURCE 0x01000
! 403: #define SLOW_SRC1 0x02000
! 404: #define SLOW_SRC2 0x04000
! 405: #define SLOW_DEST 0x08000
! 406:
! 407: /* SET_FLAGS (0x10 << 19) also belong here! */
! 408:
! 409: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 410: #include "sljitNativeSPARC_32.c"
! 411: #else
! 412: #include "sljitNativeSPARC_64.c"
! 413: #endif
! 414:
! 415: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
! 416: {
! 417: CHECK_ERROR();
! 418: check_sljit_emit_enter(compiler, args, scratches, saveds, local_size);
! 419:
! 420: compiler->scratches = scratches;
! 421: compiler->saveds = saveds;
! 422: #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
! 423: compiler->logical_local_size = local_size;
! 424: #endif
! 425:
! 426: local_size += 23 * sizeof(sljit_sw);
! 427: local_size = (local_size + 7) & ~0x7;
! 428: compiler->local_size = local_size;
! 429:
! 430: if (local_size <= SIMM_MAX) {
! 431: FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_LOCALS_REG) | S1(SLJIT_LOCALS_REG) | IMM(-local_size), UNMOVABLE_INS));
! 432: }
! 433: else {
! 434: FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
! 435: FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_LOCALS_REG) | S1(SLJIT_LOCALS_REG) | S2(TMP_REG1), UNMOVABLE_INS));
! 436: }
! 437:
! 438: if (args >= 1)
! 439: FAIL_IF(push_inst(compiler, OR | D(SLJIT_SAVED_REG1) | S1(0) | S2A(24), DR(SLJIT_SAVED_REG1)));
! 440: if (args >= 2)
! 441: FAIL_IF(push_inst(compiler, OR | D(SLJIT_SAVED_REG2) | S1(0) | S2A(25), DR(SLJIT_SAVED_REG2)));
! 442: if (args >= 3)
! 443: FAIL_IF(push_inst(compiler, OR | D(SLJIT_SAVED_REG3) | S1(0) | S2A(26), DR(SLJIT_SAVED_REG3)));
! 444:
! 445: return SLJIT_SUCCESS;
! 446: }
! 447:
! 448: SLJIT_API_FUNC_ATTRIBUTE void sljit_set_context(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
! 449: {
! 450: CHECK_ERROR_VOID();
! 451: check_sljit_set_context(compiler, args, scratches, saveds, local_size);
! 452:
! 453: compiler->scratches = scratches;
! 454: compiler->saveds = saveds;
! 455: #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
! 456: compiler->logical_local_size = local_size;
! 457: #endif
! 458:
! 459: local_size += 23 * sizeof(sljit_sw);
! 460: compiler->local_size = (local_size + 7) & ~0x7;
! 461: }
! 462:
! 463: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
! 464: {
! 465: CHECK_ERROR();
! 466: check_sljit_emit_return(compiler, op, src, srcw);
! 467:
! 468: if (op != SLJIT_MOV || !(src <= TMP_REG3)) {
! 469: FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
! 470: src = SLJIT_SCRATCH_REG1;
! 471: }
! 472:
! 473: FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
! 474: return push_inst(compiler, RESTORE | D(SLJIT_SCRATCH_REG1) | S1(src) | S2(0), UNMOVABLE_INS);
! 475: }
! 476:
! 477: /* --------------------------------------------------------------------- */
! 478: /* Operators */
! 479: /* --------------------------------------------------------------------- */
! 480:
! 481: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 482: #define ARCH_32_64(a, b) a
! 483: #else
! 484: #define ARCH_32_64(a, b) b
! 485: #endif
! 486:
! 487: static SLJIT_CONST sljit_ins data_transfer_insts[16 + 4] = {
! 488: /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
! 489: /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
! 490: /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
! 491: /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
! 492: /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
! 493: /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
! 494: /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
! 495: /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
! 496:
! 497: /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
! 498: /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
! 499: /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
! 500: /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
! 501: /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
! 502: /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
! 503: /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
! 504: /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
! 505:
! 506: /* d s */ OPC1(3) | OPC3(0x27),
! 507: /* d l */ OPC1(3) | OPC3(0x23),
! 508: /* s s */ OPC1(3) | OPC3(0x24),
! 509: /* s l */ OPC1(3) | OPC3(0x20),
! 510: };
! 511:
! 512: #undef ARCH_32_64
! 513:
! 514: /* Can perform an operation using at most 1 instruction. */
! 515: static sljit_si getput_arg_fast(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw)
! 516: {
! 517: SLJIT_ASSERT(arg & SLJIT_MEM);
! 518:
! 519: if (!(flags & WRITE_BACK) || !(arg & 0xf)) {
! 520: if ((!(arg & 0xf0) && argw <= SIMM_MAX && argw >= SIMM_MIN)
! 521: || ((arg & 0xf0) && (argw & 0x3) == 0)) {
! 522: /* Works for both absoulte and relative addresses (immediate case). */
! 523: if (SLJIT_UNLIKELY(flags & ARG_TEST))
! 524: return 1;
! 525: FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
! 526: | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg))
! 527: | S1(arg & 0xf) | ((arg & 0xf0) ? S2((arg >> 4) & 0xf) : IMM(argw)),
! 528: ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
! 529: return -1;
! 530: }
! 531: }
! 532: return 0;
! 533: }
! 534:
! 535: /* See getput_arg below.
! 536: Note: can_cache is called only for binary operators. Those
! 537: operators always uses word arguments without write back. */
! 538: static sljit_si can_cache(sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw)
! 539: {
! 540: SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
! 541:
! 542: /* Simple operation except for updates. */
! 543: if (arg & 0xf0) {
! 544: argw &= 0x3;
! 545: SLJIT_ASSERT(argw);
! 546: next_argw &= 0x3;
! 547: if ((arg & 0xf0) == (next_arg & 0xf0) && argw == next_argw)
! 548: return 1;
! 549: return 0;
! 550: }
! 551:
! 552: if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
! 553: return 1;
! 554: return 0;
! 555: }
! 556:
! 557: /* Emit the necessary instructions. See can_cache above. */
! 558: static sljit_si getput_arg(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw)
! 559: {
! 560: sljit_si base, arg2, delay_slot;
! 561: sljit_ins dest;
! 562:
! 563: SLJIT_ASSERT(arg & SLJIT_MEM);
! 564: if (!(next_arg & SLJIT_MEM)) {
! 565: next_arg = 0;
! 566: next_argw = 0;
! 567: }
! 568:
! 569: base = arg & 0xf;
! 570: if (SLJIT_UNLIKELY(arg & 0xf0)) {
! 571: argw &= 0x3;
! 572: SLJIT_ASSERT(argw != 0);
! 573:
! 574: /* Using the cache. */
! 575: if (((SLJIT_MEM | (arg & 0xf0)) == compiler->cache_arg) && (argw == compiler->cache_argw))
! 576: arg2 = TMP_REG3;
! 577: else {
! 578: if ((arg & 0xf0) == (next_arg & 0xf0) && argw == (next_argw & 0x3)) {
! 579: compiler->cache_arg = SLJIT_MEM | (arg & 0xf0);
! 580: compiler->cache_argw = argw;
! 581: arg2 = TMP_REG3;
! 582: }
! 583: else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && (reg << 4) != (arg & 0xf0))
! 584: arg2 = reg;
! 585: else /* It must be a mov operation, so tmp1 must be free to use. */
! 586: arg2 = TMP_REG1;
! 587: FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1((arg >> 4) & 0xf) | IMM_ARG | argw, DR(arg2)));
! 588: }
! 589: }
! 590: else {
! 591: /* Using the cache. */
! 592: if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
! 593: if (argw != compiler->cache_argw) {
! 594: FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
! 595: compiler->cache_argw = argw;
! 596: }
! 597: arg2 = TMP_REG3;
! 598: } else {
! 599: if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
! 600: compiler->cache_arg = SLJIT_MEM;
! 601: compiler->cache_argw = argw;
! 602: arg2 = TMP_REG3;
! 603: }
! 604: else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
! 605: arg2 = reg;
! 606: else /* It must be a mov operation, so tmp1 must be free to use. */
! 607: arg2 = TMP_REG1;
! 608: FAIL_IF(load_immediate(compiler, arg2, argw));
! 609: }
! 610: }
! 611:
! 612: dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg));
! 613: delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
! 614: if (!base)
! 615: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
! 616: if (!(flags & WRITE_BACK))
! 617: return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
! 618: FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot));
! 619: return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base));
! 620: }
! 621:
! 622: static SLJIT_INLINE sljit_si emit_op_mem(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw)
! 623: {
! 624: if (getput_arg_fast(compiler, flags, reg, arg, argw))
! 625: return compiler->error;
! 626: compiler->cache_arg = 0;
! 627: compiler->cache_argw = 0;
! 628: return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
! 629: }
! 630:
! 631: static SLJIT_INLINE sljit_si emit_op_mem2(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg1, sljit_sw arg1w, sljit_si arg2, sljit_sw arg2w)
! 632: {
! 633: if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
! 634: return compiler->error;
! 635: return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
! 636: }
! 637:
! 638: static sljit_si emit_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags,
! 639: sljit_si dst, sljit_sw dstw,
! 640: sljit_si src1, sljit_sw src1w,
! 641: sljit_si src2, sljit_sw src2w)
! 642: {
! 643: /* arg1 goes to TMP_REG1 or src reg
! 644: arg2 goes to TMP_REG2, imm or src reg
! 645: TMP_REG3 can be used for caching
! 646: result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
! 647: sljit_si dst_r = TMP_REG2;
! 648: sljit_si src1_r;
! 649: sljit_sw src2_r = 0;
! 650: sljit_si sugg_src2_r = TMP_REG2;
! 651:
! 652: if (!(flags & ALT_KEEP_CACHE)) {
! 653: compiler->cache_arg = 0;
! 654: compiler->cache_argw = 0;
! 655: }
! 656:
! 657: if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) {
! 658: if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM))
! 659: return SLJIT_SUCCESS;
! 660: }
! 661: else if (dst <= TMP_REG3) {
! 662: dst_r = dst;
! 663: flags |= REG_DEST;
! 664: if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
! 665: sugg_src2_r = dst_r;
! 666: }
! 667: else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
! 668: flags |= SLOW_DEST;
! 669:
! 670: if (flags & IMM_OP) {
! 671: if ((src2 & SLJIT_IMM) && src2w) {
! 672: if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
! 673: flags |= SRC2_IMM;
! 674: src2_r = src2w;
! 675: }
! 676: }
! 677: if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
! 678: if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
! 679: flags |= SRC2_IMM;
! 680: src2_r = src1w;
! 681:
! 682: /* And swap arguments. */
! 683: src1 = src2;
! 684: src1w = src2w;
! 685: src2 = SLJIT_IMM;
! 686: /* src2w = src2_r unneeded. */
! 687: }
! 688: }
! 689: }
! 690:
! 691: /* Source 1. */
! 692: if (src1 <= TMP_REG3)
! 693: src1_r = src1;
! 694: else if (src1 & SLJIT_IMM) {
! 695: if (src1w) {
! 696: FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
! 697: src1_r = TMP_REG1;
! 698: }
! 699: else
! 700: src1_r = 0;
! 701: }
! 702: else {
! 703: if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
! 704: FAIL_IF(compiler->error);
! 705: else
! 706: flags |= SLOW_SRC1;
! 707: src1_r = TMP_REG1;
! 708: }
! 709:
! 710: /* Source 2. */
! 711: if (src2 <= TMP_REG3) {
! 712: src2_r = src2;
! 713: flags |= REG2_SOURCE;
! 714: if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
! 715: dst_r = src2_r;
! 716: }
! 717: else if (src2 & SLJIT_IMM) {
! 718: if (!(flags & SRC2_IMM)) {
! 719: if (src2w) {
! 720: FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
! 721: src2_r = sugg_src2_r;
! 722: }
! 723: else {
! 724: src2_r = 0;
! 725: if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) && (dst & SLJIT_MEM))
! 726: dst_r = 0;
! 727: }
! 728: }
! 729: }
! 730: else {
! 731: if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
! 732: FAIL_IF(compiler->error);
! 733: else
! 734: flags |= SLOW_SRC2;
! 735: src2_r = sugg_src2_r;
! 736: }
! 737:
! 738: if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
! 739: SLJIT_ASSERT(src2_r == TMP_REG2);
! 740: if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
! 741: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
! 742: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
! 743: }
! 744: else {
! 745: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
! 746: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
! 747: }
! 748: }
! 749: else if (flags & SLOW_SRC1)
! 750: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
! 751: else if (flags & SLOW_SRC2)
! 752: FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
! 753:
! 754: FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
! 755:
! 756: if (dst & SLJIT_MEM) {
! 757: if (!(flags & SLOW_DEST)) {
! 758: getput_arg_fast(compiler, flags, dst_r, dst, dstw);
! 759: return compiler->error;
! 760: }
! 761: return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
! 762: }
! 763:
! 764: return SLJIT_SUCCESS;
! 765: }
! 766:
! 767: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op)
! 768: {
! 769: CHECK_ERROR();
! 770: check_sljit_emit_op0(compiler, op);
! 771:
! 772: op = GET_OPCODE(op);
! 773: switch (op) {
! 774: case SLJIT_BREAKPOINT:
! 775: return push_inst(compiler, TA, UNMOVABLE_INS);
! 776: case SLJIT_NOP:
! 777: return push_inst(compiler, NOP, UNMOVABLE_INS);
! 778: case SLJIT_UMUL:
! 779: case SLJIT_SMUL:
! 780: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 781: FAIL_IF(push_inst(compiler, (op == SLJIT_UMUL ? UMUL : SMUL) | D(SLJIT_SCRATCH_REG1) | S1(SLJIT_SCRATCH_REG1) | S2(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG1)));
! 782: return push_inst(compiler, RDY | D(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG2));
! 783: #else
! 784: #error "Implementation required"
! 785: #endif
! 786: case SLJIT_UDIV:
! 787: case SLJIT_SDIV:
! 788: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 789: if (op == SLJIT_UDIV)
! 790: FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
! 791: else {
! 792: FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_SCRATCH_REG1) | IMM(31), DR(TMP_REG1)));
! 793: FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
! 794: }
! 795: FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_SCRATCH_REG1), DR(TMP_REG2)));
! 796: FAIL_IF(push_inst(compiler, (op == SLJIT_UDIV ? UDIV : SDIV) | D(SLJIT_SCRATCH_REG1) | S1(SLJIT_SCRATCH_REG1) | S2(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG1)));
! 797: FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_SCRATCH_REG2) | S1(SLJIT_SCRATCH_REG1) | S2(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG2)));
! 798: FAIL_IF(push_inst(compiler, SUB | D(SLJIT_SCRATCH_REG2) | S1(TMP_REG2) | S2(SLJIT_SCRATCH_REG2), DR(SLJIT_SCRATCH_REG2)));
! 799: return SLJIT_SUCCESS;
! 800: #else
! 801: #error "Implementation required"
! 802: #endif
! 803: }
! 804:
! 805: return SLJIT_SUCCESS;
! 806: }
! 807:
! 808: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op,
! 809: sljit_si dst, sljit_sw dstw,
! 810: sljit_si src, sljit_sw srcw)
! 811: {
! 812: sljit_si flags = GET_FLAGS(op) ? SET_FLAGS : 0;
! 813:
! 814: CHECK_ERROR();
! 815: check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw);
! 816: ADJUST_LOCAL_OFFSET(dst, dstw);
! 817: ADJUST_LOCAL_OFFSET(src, srcw);
! 818:
! 819: op = GET_OPCODE(op);
! 820: switch (op) {
! 821: case SLJIT_MOV:
! 822: case SLJIT_MOV_P:
! 823: return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 824:
! 825: case SLJIT_MOV_UI:
! 826: return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 827:
! 828: case SLJIT_MOV_SI:
! 829: return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 830:
! 831: case SLJIT_MOV_UB:
! 832: return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);
! 833:
! 834: case SLJIT_MOV_SB:
! 835: return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sb)srcw : srcw);
! 836:
! 837: case SLJIT_MOV_UH:
! 838: return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);
! 839:
! 840: case SLJIT_MOV_SH:
! 841: return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sh)srcw : srcw);
! 842:
! 843: case SLJIT_MOVU:
! 844: case SLJIT_MOVU_P:
! 845: return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 846:
! 847: case SLJIT_MOVU_UI:
! 848: return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 849:
! 850: case SLJIT_MOVU_SI:
! 851: return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 852:
! 853: case SLJIT_MOVU_UB:
! 854: return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);
! 855:
! 856: case SLJIT_MOVU_SB:
! 857: return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sb)srcw : srcw);
! 858:
! 859: case SLJIT_MOVU_UH:
! 860: return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);
! 861:
! 862: case SLJIT_MOVU_SH:
! 863: return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sh)srcw : srcw);
! 864:
! 865: case SLJIT_NOT:
! 866: case SLJIT_CLZ:
! 867: return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
! 868:
! 869: case SLJIT_NEG:
! 870: return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
! 871: }
! 872:
! 873: return SLJIT_SUCCESS;
! 874: }
! 875:
! 876: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op,
! 877: sljit_si dst, sljit_sw dstw,
! 878: sljit_si src1, sljit_sw src1w,
! 879: sljit_si src2, sljit_sw src2w)
! 880: {
! 881: sljit_si flags = GET_FLAGS(op) ? SET_FLAGS : 0;
! 882:
! 883: CHECK_ERROR();
! 884: check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
! 885: ADJUST_LOCAL_OFFSET(dst, dstw);
! 886: ADJUST_LOCAL_OFFSET(src1, src1w);
! 887: ADJUST_LOCAL_OFFSET(src2, src2w);
! 888:
! 889: op = GET_OPCODE(op);
! 890: switch (op) {
! 891: case SLJIT_ADD:
! 892: case SLJIT_ADDC:
! 893: case SLJIT_MUL:
! 894: case SLJIT_AND:
! 895: case SLJIT_OR:
! 896: case SLJIT_XOR:
! 897: return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
! 898:
! 899: case SLJIT_SUB:
! 900: case SLJIT_SUBC:
! 901: return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
! 902:
! 903: case SLJIT_SHL:
! 904: case SLJIT_LSHR:
! 905: case SLJIT_ASHR:
! 906: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 907: if (src2 & SLJIT_IMM)
! 908: src2w &= 0x1f;
! 909: #else
! 910: SLJIT_ASSERT_STOP();
! 911: #endif
! 912: return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
! 913: }
! 914:
! 915: return SLJIT_SUCCESS;
! 916: }
! 917:
! 918: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg)
! 919: {
! 920: check_sljit_get_register_index(reg);
! 921: return reg_map[reg];
! 922: }
! 923:
! 924: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_float_register_index(sljit_si reg)
! 925: {
! 926: check_sljit_get_float_register_index(reg);
! 927: return reg << 1;
! 928: }
! 929:
! 930: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler,
! 931: void *instruction, sljit_si size)
! 932: {
! 933: CHECK_ERROR();
! 934: check_sljit_emit_op_custom(compiler, instruction, size);
! 935: SLJIT_ASSERT(size == 4);
! 936:
! 937: return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
! 938: }
! 939:
! 940: /* --------------------------------------------------------------------- */
! 941: /* Floating point operators */
! 942: /* --------------------------------------------------------------------- */
! 943:
! 944: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_is_fpu_available(void)
! 945: {
! 946: return 1;
! 947: }
! 948:
! 949: #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_SINGLE_OP) >> 7))
! 950: #define SELECT_FOP(op, single, double) ((op & SLJIT_SINGLE_OP) ? single : double)
! 951:
! 952: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op,
! 953: sljit_si dst, sljit_sw dstw,
! 954: sljit_si src, sljit_sw srcw)
! 955: {
! 956: sljit_si dst_fr;
! 957:
! 958: CHECK_ERROR();
! 959: check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw);
! 960: SLJIT_COMPILE_ASSERT((SLJIT_SINGLE_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
! 961:
! 962: compiler->cache_arg = 0;
! 963: compiler->cache_argw = 0;
! 964:
! 965: if (GET_OPCODE(op) == SLJIT_CMPD) {
! 966: if (dst > SLJIT_FLOAT_REG6) {
! 967: FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, dst, dstw, src, srcw));
! 968: dst = TMP_FREG1;
! 969: }
! 970: else
! 971: dst <<= 1;
! 972:
! 973: if (src > SLJIT_FLOAT_REG6) {
! 974: FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src, srcw, 0, 0));
! 975: src = TMP_FREG2;
! 976: }
! 977: else
! 978: src <<= 1;
! 979:
! 980: return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(dst) | S2A(src), FCC_IS_SET | MOVABLE_INS);
! 981: }
! 982:
! 983: dst_fr = (dst > SLJIT_FLOAT_REG6) ? TMP_FREG1 : (dst << 1);
! 984:
! 985: if (src > SLJIT_FLOAT_REG6) {
! 986: FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_fr, src, srcw, dst, dstw));
! 987: src = dst_fr;
! 988: }
! 989: else
! 990: src <<= 1;
! 991:
! 992: switch (GET_OPCODE(op)) {
! 993: case SLJIT_MOVD:
! 994: if (src != dst_fr && dst_fr != TMP_FREG1) {
! 995: FAIL_IF(push_inst(compiler, FMOVS | DA(dst_fr) | S2A(src), MOVABLE_INS));
! 996: if (!(op & SLJIT_SINGLE_OP))
! 997: FAIL_IF(push_inst(compiler, FMOVS | DA(dst_fr | 1) | S2A(src | 1), MOVABLE_INS));
! 998: }
! 999: break;
! 1000: case SLJIT_NEGD:
! 1001: FAIL_IF(push_inst(compiler, FNEGS | DA(dst_fr) | S2A(src), MOVABLE_INS));
! 1002: if (dst_fr != src && !(op & SLJIT_SINGLE_OP))
! 1003: FAIL_IF(push_inst(compiler, FMOVS | DA(dst_fr | 1) | S2A(src | 1), MOVABLE_INS));
! 1004: break;
! 1005: case SLJIT_ABSD:
! 1006: FAIL_IF(push_inst(compiler, FABSS | DA(dst_fr) | S2A(src), MOVABLE_INS));
! 1007: if (dst_fr != src && !(op & SLJIT_SINGLE_OP))
! 1008: FAIL_IF(push_inst(compiler, FMOVS | DA(dst_fr | 1) | S2A(src | 1), MOVABLE_INS));
! 1009: break;
! 1010: }
! 1011:
! 1012: if (dst_fr == TMP_FREG1) {
! 1013: if (GET_OPCODE(op) == SLJIT_MOVD)
! 1014: dst_fr = src;
! 1015: FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_fr, dst, dstw, 0, 0));
! 1016: }
! 1017:
! 1018: return SLJIT_SUCCESS;
! 1019: }
! 1020:
! 1021: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op,
! 1022: sljit_si dst, sljit_sw dstw,
! 1023: sljit_si src1, sljit_sw src1w,
! 1024: sljit_si src2, sljit_sw src2w)
! 1025: {
! 1026: sljit_si dst_fr, flags = 0;
! 1027:
! 1028: CHECK_ERROR();
! 1029: check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
! 1030:
! 1031: compiler->cache_arg = 0;
! 1032: compiler->cache_argw = 0;
! 1033:
! 1034: dst_fr = (dst > SLJIT_FLOAT_REG6) ? TMP_FREG2 : (dst << 1);
! 1035:
! 1036: if (src1 > SLJIT_FLOAT_REG6) {
! 1037: if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
! 1038: FAIL_IF(compiler->error);
! 1039: src1 = TMP_FREG1;
! 1040: } else
! 1041: flags |= SLOW_SRC1;
! 1042: }
! 1043: else
! 1044: src1 <<= 1;
! 1045:
! 1046: if (src2 > SLJIT_FLOAT_REG6) {
! 1047: if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
! 1048: FAIL_IF(compiler->error);
! 1049: src2 = TMP_FREG2;
! 1050: } else
! 1051: flags |= SLOW_SRC2;
! 1052: }
! 1053: else
! 1054: src2 <<= 1;
! 1055:
! 1056: if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
! 1057: if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
! 1058: FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
! 1059: FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
! 1060: }
! 1061: else {
! 1062: FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
! 1063: FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
! 1064: }
! 1065: }
! 1066: else if (flags & SLOW_SRC1)
! 1067: FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
! 1068: else if (flags & SLOW_SRC2)
! 1069: FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
! 1070:
! 1071: if (flags & SLOW_SRC1)
! 1072: src1 = TMP_FREG1;
! 1073: if (flags & SLOW_SRC2)
! 1074: src2 = TMP_FREG2;
! 1075:
! 1076: switch (GET_OPCODE(op)) {
! 1077: case SLJIT_ADDD:
! 1078: FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_fr) | S1A(src1) | S2A(src2), MOVABLE_INS));
! 1079: break;
! 1080:
! 1081: case SLJIT_SUBD:
! 1082: FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_fr) | S1A(src1) | S2A(src2), MOVABLE_INS));
! 1083: break;
! 1084:
! 1085: case SLJIT_MULD:
! 1086: FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_fr) | S1A(src1) | S2A(src2), MOVABLE_INS));
! 1087: break;
! 1088:
! 1089: case SLJIT_DIVD:
! 1090: FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_fr) | S1A(src1) | S2A(src2), MOVABLE_INS));
! 1091: break;
! 1092: }
! 1093:
! 1094: if (dst_fr == TMP_FREG2)
! 1095: FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
! 1096:
! 1097: return SLJIT_SUCCESS;
! 1098: }
! 1099:
! 1100: #undef FLOAT_DATA
! 1101: #undef SELECT_FOP
! 1102:
! 1103: /* --------------------------------------------------------------------- */
! 1104: /* Other instructions */
! 1105: /* --------------------------------------------------------------------- */
! 1106:
! 1107: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw)
! 1108: {
! 1109: CHECK_ERROR();
! 1110: check_sljit_emit_fast_enter(compiler, dst, dstw);
! 1111: ADJUST_LOCAL_OFFSET(dst, dstw);
! 1112:
! 1113: /* For UNUSED dst. Uncommon, but possible. */
! 1114: if (dst == SLJIT_UNUSED)
! 1115: return SLJIT_SUCCESS;
! 1116:
! 1117: if (dst <= TMP_REG3)
! 1118: return push_inst(compiler, OR | D(dst) | S1(0) | S2(LINK_REG), DR(dst));
! 1119:
! 1120: /* Memory. */
! 1121: return emit_op_mem(compiler, WORD_DATA, LINK_REG, dst, dstw);
! 1122: }
! 1123:
! 1124: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw)
! 1125: {
! 1126: CHECK_ERROR();
! 1127: check_sljit_emit_fast_return(compiler, src, srcw);
! 1128: ADJUST_LOCAL_OFFSET(src, srcw);
! 1129:
! 1130: if (src <= TMP_REG3)
! 1131: FAIL_IF(push_inst(compiler, OR | D(LINK_REG) | S1(0) | S2(src), DR(LINK_REG)));
! 1132: else if (src & SLJIT_MEM)
! 1133: FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, LINK_REG, src, srcw));
! 1134: else if (src & SLJIT_IMM)
! 1135: FAIL_IF(load_immediate(compiler, LINK_REG, srcw));
! 1136:
! 1137: FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(LINK_REG) | IMM(8), UNMOVABLE_INS));
! 1138: return push_inst(compiler, NOP, UNMOVABLE_INS);
! 1139: }
! 1140:
! 1141: /* --------------------------------------------------------------------- */
! 1142: /* Conditional instructions */
! 1143: /* --------------------------------------------------------------------- */
! 1144:
! 1145: SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
! 1146: {
! 1147: struct sljit_label *label;
! 1148:
! 1149: CHECK_ERROR_PTR();
! 1150: check_sljit_emit_label(compiler);
! 1151:
! 1152: if (compiler->last_label && compiler->last_label->size == compiler->size)
! 1153: return compiler->last_label;
! 1154:
! 1155: label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
! 1156: PTR_FAIL_IF(!label);
! 1157: set_label(label, compiler);
! 1158: compiler->delay_slot = UNMOVABLE_INS;
! 1159: return label;
! 1160: }
! 1161:
! 1162: static sljit_ins get_cc(sljit_si type)
! 1163: {
! 1164: switch (type) {
! 1165: case SLJIT_C_EQUAL:
! 1166: case SLJIT_C_MUL_NOT_OVERFLOW:
! 1167: return DA(0x1);
! 1168:
! 1169: case SLJIT_C_NOT_EQUAL:
! 1170: case SLJIT_C_MUL_OVERFLOW:
! 1171: return DA(0x9);
! 1172:
! 1173: case SLJIT_C_LESS:
! 1174: return DA(0x5);
! 1175:
! 1176: case SLJIT_C_GREATER_EQUAL:
! 1177: return DA(0xd);
! 1178:
! 1179: case SLJIT_C_GREATER:
! 1180: return DA(0xc);
! 1181:
! 1182: case SLJIT_C_LESS_EQUAL:
! 1183: return DA(0x4);
! 1184:
! 1185: case SLJIT_C_SIG_LESS:
! 1186: return DA(0x3);
! 1187:
! 1188: case SLJIT_C_SIG_GREATER_EQUAL:
! 1189: return DA(0xb);
! 1190:
! 1191: case SLJIT_C_SIG_GREATER:
! 1192: return DA(0xa);
! 1193:
! 1194: case SLJIT_C_SIG_LESS_EQUAL:
! 1195: return DA(0x2);
! 1196:
! 1197: case SLJIT_C_OVERFLOW:
! 1198: return DA(0x7);
! 1199:
! 1200: case SLJIT_C_NOT_OVERFLOW:
! 1201: return DA(0xf);
! 1202:
! 1203: case SLJIT_C_FLOAT_EQUAL:
! 1204: return DA(0x9);
! 1205:
! 1206: case SLJIT_C_FLOAT_NOT_EQUAL: /* Unordered. */
! 1207: return DA(0x1);
! 1208:
! 1209: case SLJIT_C_FLOAT_LESS:
! 1210: return DA(0x4);
! 1211:
! 1212: case SLJIT_C_FLOAT_GREATER_EQUAL: /* Unordered. */
! 1213: return DA(0xc);
! 1214:
! 1215: case SLJIT_C_FLOAT_LESS_EQUAL:
! 1216: return DA(0xd);
! 1217:
! 1218: case SLJIT_C_FLOAT_GREATER: /* Unordered. */
! 1219: return DA(0x5);
! 1220:
! 1221: case SLJIT_C_FLOAT_UNORDERED:
! 1222: return DA(0x7);
! 1223:
! 1224: case SLJIT_C_FLOAT_ORDERED:
! 1225: return DA(0xf);
! 1226:
! 1227: default:
! 1228: SLJIT_ASSERT_STOP();
! 1229: return DA(0x8);
! 1230: }
! 1231: }
! 1232:
! 1233: SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type)
! 1234: {
! 1235: struct sljit_jump *jump;
! 1236:
! 1237: CHECK_ERROR_PTR();
! 1238: check_sljit_emit_jump(compiler, type);
! 1239:
! 1240: jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
! 1241: PTR_FAIL_IF(!jump);
! 1242: set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
! 1243: type &= 0xff;
! 1244:
! 1245: if (type < SLJIT_C_FLOAT_EQUAL) {
! 1246: jump->flags |= IS_COND;
! 1247: if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
! 1248: jump->flags |= IS_MOVABLE;
! 1249: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 1250: PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
! 1251: #else
! 1252: #error "Implementation required"
! 1253: #endif
! 1254: }
! 1255: else if (type < SLJIT_JUMP) {
! 1256: jump->flags |= IS_COND;
! 1257: if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
! 1258: jump->flags |= IS_MOVABLE;
! 1259: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 1260: PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
! 1261: #else
! 1262: #error "Implementation required"
! 1263: #endif
! 1264: } else {
! 1265: if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
! 1266: jump->flags |= IS_MOVABLE;
! 1267: if (type >= SLJIT_FAST_CALL)
! 1268: jump->flags |= IS_CALL;
! 1269: }
! 1270:
! 1271: PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0));
! 1272: PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? LINK_REG : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS));
! 1273: jump->addr = compiler->size;
! 1274: PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
! 1275:
! 1276: return jump;
! 1277: }
! 1278:
! 1279: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw)
! 1280: {
! 1281: struct sljit_jump *jump = NULL;
! 1282: sljit_si src_r;
! 1283:
! 1284: CHECK_ERROR();
! 1285: check_sljit_emit_ijump(compiler, type, src, srcw);
! 1286: ADJUST_LOCAL_OFFSET(src, srcw);
! 1287:
! 1288: if (src <= TMP_REG3)
! 1289: src_r = src;
! 1290: else if (src & SLJIT_IMM) {
! 1291: jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
! 1292: FAIL_IF(!jump);
! 1293: set_jump(jump, compiler, JUMP_ADDR);
! 1294: jump->u.target = srcw;
! 1295: if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
! 1296: jump->flags |= IS_MOVABLE;
! 1297: if (type >= SLJIT_FAST_CALL)
! 1298: jump->flags |= IS_CALL;
! 1299:
! 1300: FAIL_IF(emit_const(compiler, TMP_REG2, 0));
! 1301: src_r = TMP_REG2;
! 1302: }
! 1303: else {
! 1304: FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw));
! 1305: src_r = TMP_REG2;
! 1306: }
! 1307:
! 1308: FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? LINK_REG : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
! 1309: if (jump)
! 1310: jump->addr = compiler->size;
! 1311: return push_inst(compiler, NOP, UNMOVABLE_INS);
! 1312: }
! 1313:
! 1314: SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op,
! 1315: sljit_si dst, sljit_sw dstw,
! 1316: sljit_si src, sljit_sw srcw,
! 1317: sljit_si type)
! 1318: {
! 1319: sljit_si reg, flags = (GET_FLAGS(op) ? SET_FLAGS : 0);
! 1320:
! 1321: CHECK_ERROR();
! 1322: check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type);
! 1323: ADJUST_LOCAL_OFFSET(dst, dstw);
! 1324:
! 1325: if (dst == SLJIT_UNUSED)
! 1326: return SLJIT_SUCCESS;
! 1327:
! 1328: #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
! 1329: op = GET_OPCODE(op);
! 1330: reg = (op < SLJIT_ADD && dst <= TMP_REG3) ? dst : TMP_REG2;
! 1331:
! 1332: compiler->cache_arg = 0;
! 1333: compiler->cache_argw = 0;
! 1334: if (op >= SLJIT_ADD && (src & SLJIT_MEM)) {
! 1335: ADJUST_LOCAL_OFFSET(src, srcw);
! 1336: FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw));
! 1337: src = TMP_REG1;
! 1338: srcw = 0;
! 1339: }
! 1340:
! 1341: if (type < SLJIT_C_FLOAT_EQUAL)
! 1342: FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
! 1343: else
! 1344: FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
! 1345:
! 1346: FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
! 1347: FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
! 1348:
! 1349: if (op >= SLJIT_ADD)
! 1350: return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0);
! 1351:
! 1352: return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS;
! 1353: #else
! 1354: #error "Implementation required"
! 1355: #endif
! 1356: }
! 1357:
! 1358: SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw init_value)
! 1359: {
! 1360: sljit_si reg;
! 1361: struct sljit_const *const_;
! 1362:
! 1363: CHECK_ERROR_PTR();
! 1364: check_sljit_emit_const(compiler, dst, dstw, init_value);
! 1365: ADJUST_LOCAL_OFFSET(dst, dstw);
! 1366:
! 1367: const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
! 1368: PTR_FAIL_IF(!const_);
! 1369: set_const(const_, compiler);
! 1370:
! 1371: reg = (dst <= TMP_REG3) ? dst : TMP_REG2;
! 1372:
! 1373: PTR_FAIL_IF(emit_const(compiler, reg, init_value));
! 1374:
! 1375: if (dst & SLJIT_MEM)
! 1376: PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
! 1377:
! 1378: return const_;
! 1379: }
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