Annotation of embedaddon/pcre/sljit/sljitNativePPC_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_PPC_32 && SLJIT_CONFIG_PPC_32)
! 30: return "ppc-32";
! 31: #else
! 32: return "ppc-64";
! 33: #endif
! 34: }
! 35:
! 36: /* Length of an instruction word.
! 37: Both for ppc-32 and ppc-64. */
! 38: typedef sljit_ui sljit_ins;
! 39:
! 40: static void ppc_cache_flush(sljit_ins *from, sljit_ins *to)
! 41: {
! 42: while (from < to) {
! 43: #ifdef __GNUC__
! 44: asm volatile ( "icbi 0, %0" : : "r"(from) );
! 45: #else
! 46: #error "Must implement icbi"
! 47: #endif
! 48: from++;
! 49: }
! 50: }
! 51:
! 52: #define TMP_REG1 (SLJIT_NO_REGISTERS + 1)
! 53: #define TMP_REG2 (SLJIT_NO_REGISTERS + 2)
! 54: #define TMP_REG3 (SLJIT_NO_REGISTERS + 3)
! 55: #define ZERO_REG (SLJIT_NO_REGISTERS + 4)
! 56: #define REAL_STACK_PTR (SLJIT_NO_REGISTERS + 5)
! 57:
! 58: #define TMP_FREG1 (SLJIT_FLOAT_REG4 + 1)
! 59: #define TMP_FREG2 (SLJIT_FLOAT_REG4 + 2)
! 60:
! 61: /* --------------------------------------------------------------------- */
! 62: /* Instrucion forms */
! 63: /* --------------------------------------------------------------------- */
! 64: #define D(d) (reg_map[d] << 21)
! 65: #define S(s) (reg_map[s] << 21)
! 66: #define A(a) (reg_map[a] << 16)
! 67: #define B(b) (reg_map[b] << 11)
! 68: #define C(c) (reg_map[c] << 6)
! 69: #define FD(fd) ((fd) << 21)
! 70: #define FA(fa) ((fa) << 16)
! 71: #define FB(fb) ((fb) << 11)
! 72: #define FC(fc) ((fc) << 6)
! 73: #define IMM(imm) ((imm) & 0xffff)
! 74: #define CRD(d) ((d) << 21)
! 75:
! 76: /* Instruction bit sections.
! 77: OE and Rc flag (see ALT_SET_FLAGS). */
! 78: #define OERC(flags) (((flags & ALT_SET_FLAGS) >> 15) | ((flags & ALT_SET_FLAGS) >> 5))
! 79: /* Rc flag (see ALT_SET_FLAGS). */
! 80: #define RC(flags) ((flags & ALT_SET_FLAGS) >> 15)
! 81: #define HI(opcode) ((opcode) << 26)
! 82: #define LO(opcode) ((opcode) << 1)
! 83:
! 84: #define ADD (HI(31) | LO(266))
! 85: #define ADDC (HI(31) | LO(10))
! 86: #define ADDE (HI(31) | LO(138))
! 87: #define ADDI (HI(14))
! 88: #define ADDIC (HI(13))
! 89: #define ADDIS (HI(15))
! 90: #define ADDME (HI(31) | LO(234))
! 91: #define AND (HI(31) | LO(28))
! 92: #define ANDI (HI(28))
! 93: #define ANDIS (HI(29))
! 94: #define Bx (HI(18))
! 95: #define BCx (HI(16))
! 96: #define BCCTR (HI(19) | LO(528) | (3 << 11))
! 97: #define BLR (HI(19) | LO(16) | (0x14 << 21))
! 98: #define CNTLZD (HI(31) | LO(58))
! 99: #define CNTLZW (HI(31) | LO(26))
! 100: #define CMPI (HI(11))
! 101: #define CMPL (HI(31) | LO(32))
! 102: #define CMPLI (HI(10))
! 103: #define CROR (HI(19) | LO(449))
! 104: #define EXTSB (HI(31) | LO(954))
! 105: #define EXTSH (HI(31) | LO(922))
! 106: #define EXTSW (HI(31) | LO(986))
! 107: #define FABS (HI(63) | LO(264))
! 108: #define FADD (HI(63) | LO(21))
! 109: #define FCMPU (HI(63) | LO(0))
! 110: #define FDIV (HI(63) | LO(18))
! 111: #define FMR (HI(63) | LO(72))
! 112: #define FMUL (HI(63) | LO(25))
! 113: #define FNEG (HI(63) | LO(40))
! 114: #define FSUB (HI(63) | LO(20))
! 115: #define LD (HI(58) | 0)
! 116: #define LFD (HI(50))
! 117: #define LFDUX (HI(31) | LO(631))
! 118: #define LFDX (HI(31) | LO(599))
! 119: #define LWZ (HI(32))
! 120: #define MFCR (HI(31) | LO(19))
! 121: #define MFLR (HI(31) | LO(339) | 0x80000)
! 122: #define MFXER (HI(31) | LO(339) | 0x10000)
! 123: #define MTCTR (HI(31) | LO(467) | 0x90000)
! 124: #define MTLR (HI(31) | LO(467) | 0x80000)
! 125: #define MTXER (HI(31) | LO(467) | 0x10000)
! 126: #define MULLD (HI(31) | LO(233))
! 127: #define MULLI (HI(7))
! 128: #define MULLW (HI(31) | LO(235))
! 129: #define NEG (HI(31) | LO(104))
! 130: #define NOP (HI(24))
! 131: #define NOR (HI(31) | LO(124))
! 132: #define OR (HI(31) | LO(444))
! 133: #define ORI (HI(24))
! 134: #define ORIS (HI(25))
! 135: #define RLDICL (HI(30))
! 136: #define RLWINM (HI(21))
! 137: #define SLD (HI(31) | LO(27))
! 138: #define SLW (HI(31) | LO(24))
! 139: #define SRAD (HI(31) | LO(794))
! 140: #define SRADI (HI(31) | LO(413 << 1))
! 141: #define SRAW (HI(31) | LO(792))
! 142: #define SRAWI (HI(31) | LO(824))
! 143: #define SRD (HI(31) | LO(539))
! 144: #define SRW (HI(31) | LO(536))
! 145: #define STD (HI(62) | 0)
! 146: #define STDU (HI(62) | 1)
! 147: #define STDUX (HI(31) | LO(181))
! 148: #define STFD (HI(54))
! 149: #define STFDUX (HI(31) | LO(759))
! 150: #define STFDX (HI(31) | LO(727))
! 151: #define STW (HI(36))
! 152: #define STWU (HI(37))
! 153: #define STWUX (HI(31) | LO(183))
! 154: #define SUBF (HI(31) | LO(40))
! 155: #define SUBFC (HI(31) | LO(8))
! 156: #define SUBFE (HI(31) | LO(136))
! 157: #define SUBFIC (HI(8))
! 158: #define XOR (HI(31) | LO(316))
! 159: #define XORI (HI(26))
! 160: #define XORIS (HI(27))
! 161:
! 162: #define SIMM_MAX (0x7fff)
! 163: #define SIMM_MIN (-0x8000)
! 164: #define UIMM_MAX (0xffff)
! 165:
! 166: /* SLJIT_LOCALS_REG is not the real stack register, since it must
! 167: point to the head of the stack chain. */
! 168: static SLJIT_CONST sljit_ub reg_map[SLJIT_NO_REGISTERS + 6] = {
! 169: 0, 3, 4, 5, 6, 7, 29, 28, 27, 26, 25, 31, 8, 9, 10, 30, 1
! 170: };
! 171:
! 172: static int push_inst(struct sljit_compiler *compiler, sljit_ins ins)
! 173: {
! 174: sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
! 175: FAIL_IF(!ptr);
! 176: *ptr = ins;
! 177: compiler->size++;
! 178: return SLJIT_SUCCESS;
! 179: }
! 180:
! 181: static SLJIT_INLINE int optimize_jump(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code)
! 182: {
! 183: sljit_w diff;
! 184: sljit_uw target_addr;
! 185:
! 186: if (jump->flags & SLJIT_REWRITABLE_JUMP)
! 187: return 0;
! 188:
! 189: if (jump->flags & JUMP_ADDR)
! 190: target_addr = jump->u.target;
! 191: else {
! 192: SLJIT_ASSERT(jump->flags & JUMP_LABEL);
! 193: target_addr = (sljit_uw)(code + jump->u.label->size);
! 194: }
! 195: diff = ((sljit_w)target_addr - (sljit_w)(code_ptr)) & ~0x3l;
! 196:
! 197: if (jump->flags & UNCOND_B) {
! 198: if (diff <= 0x01ffffff && diff >= -0x02000000) {
! 199: jump->flags |= PATCH_B;
! 200: return 1;
! 201: }
! 202: if (target_addr <= 0x03ffffff) {
! 203: jump->flags |= PATCH_B | ABSOLUTE_B;
! 204: return 1;
! 205: }
! 206: }
! 207: else {
! 208: if (diff <= 0x7fff && diff >= -0x8000) {
! 209: jump->flags |= PATCH_B;
! 210: return 1;
! 211: }
! 212: if (target_addr <= 0xffff) {
! 213: jump->flags |= PATCH_B | ABSOLUTE_B;
! 214: return 1;
! 215: }
! 216: }
! 217: return 0;
! 218: }
! 219:
! 220: SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
! 221: {
! 222: struct sljit_memory_fragment *buf;
! 223: sljit_ins *code;
! 224: sljit_ins *code_ptr;
! 225: sljit_ins *buf_ptr;
! 226: sljit_ins *buf_end;
! 227: sljit_uw word_count;
! 228: sljit_uw addr;
! 229:
! 230: struct sljit_label *label;
! 231: struct sljit_jump *jump;
! 232: struct sljit_const *const_;
! 233:
! 234: CHECK_ERROR_PTR();
! 235: check_sljit_generate_code(compiler);
! 236: reverse_buf(compiler);
! 237:
! 238: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 239: compiler->size += (compiler->size & 0x1) + (sizeof(struct sljit_function_context) / sizeof(sljit_ins));
! 240: #endif
! 241: code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
! 242: PTR_FAIL_WITH_EXEC_IF(code);
! 243: buf = compiler->buf;
! 244:
! 245: code_ptr = code;
! 246: word_count = 0;
! 247: label = compiler->labels;
! 248: jump = compiler->jumps;
! 249: const_ = compiler->consts;
! 250: do {
! 251: buf_ptr = (sljit_ins*)buf->memory;
! 252: buf_end = buf_ptr + (buf->used_size >> 2);
! 253: do {
! 254: *code_ptr = *buf_ptr++;
! 255: SLJIT_ASSERT(!label || label->size >= word_count);
! 256: SLJIT_ASSERT(!jump || jump->addr >= word_count);
! 257: SLJIT_ASSERT(!const_ || const_->addr >= word_count);
! 258: /* These structures are ordered by their address. */
! 259: if (label && label->size == word_count) {
! 260: /* Just recording the address. */
! 261: label->addr = (sljit_uw)code_ptr;
! 262: label->size = code_ptr - code;
! 263: label = label->next;
! 264: }
! 265: if (jump && jump->addr == word_count) {
! 266: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 267: jump->addr = (sljit_uw)(code_ptr - 3);
! 268: #else
! 269: jump->addr = (sljit_uw)(code_ptr - 6);
! 270: #endif
! 271: if (optimize_jump(jump, code_ptr, code)) {
! 272: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 273: code_ptr[-3] = code_ptr[0];
! 274: code_ptr -= 3;
! 275: #else
! 276: code_ptr[-6] = code_ptr[0];
! 277: code_ptr -= 6;
! 278: #endif
! 279: }
! 280: jump = jump->next;
! 281: }
! 282: if (const_ && const_->addr == word_count) {
! 283: /* Just recording the address. */
! 284: const_->addr = (sljit_uw)code_ptr;
! 285: const_ = const_->next;
! 286: }
! 287: code_ptr ++;
! 288: word_count ++;
! 289: } while (buf_ptr < buf_end);
! 290:
! 291: buf = buf->next;
! 292: } while (buf);
! 293:
! 294: if (label && label->size == word_count) {
! 295: label->addr = (sljit_uw)code_ptr;
! 296: label->size = code_ptr - code;
! 297: label = label->next;
! 298: }
! 299:
! 300: SLJIT_ASSERT(!label);
! 301: SLJIT_ASSERT(!jump);
! 302: SLJIT_ASSERT(!const_);
! 303: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 304: SLJIT_ASSERT(code_ptr - code <= (int)compiler->size - ((compiler->size & 0x1) ? 3 : 2));
! 305: #else
! 306: SLJIT_ASSERT(code_ptr - code <= (int)compiler->size);
! 307: #endif
! 308:
! 309: jump = compiler->jumps;
! 310: while (jump) {
! 311: do {
! 312: addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
! 313: buf_ptr = (sljit_ins*)jump->addr;
! 314: if (jump->flags & PATCH_B) {
! 315: if (jump->flags & UNCOND_B) {
! 316: if (!(jump->flags & ABSOLUTE_B)) {
! 317: addr = addr - jump->addr;
! 318: SLJIT_ASSERT((sljit_w)addr <= 0x01ffffff && (sljit_w)addr >= -0x02000000);
! 319: *buf_ptr = Bx | (addr & 0x03fffffc) | ((*buf_ptr) & 0x1);
! 320: }
! 321: else {
! 322: SLJIT_ASSERT(addr <= 0x03ffffff);
! 323: *buf_ptr = Bx | (addr & 0x03fffffc) | 0x2 | ((*buf_ptr) & 0x1);
! 324: }
! 325: }
! 326: else {
! 327: if (!(jump->flags & ABSOLUTE_B)) {
! 328: addr = addr - jump->addr;
! 329: SLJIT_ASSERT((sljit_w)addr <= 0x7fff && (sljit_w)addr >= -0x8000);
! 330: *buf_ptr = BCx | (addr & 0xfffc) | ((*buf_ptr) & 0x03ff0001);
! 331: }
! 332: else {
! 333: addr = addr & ~0x3l;
! 334: SLJIT_ASSERT(addr <= 0xffff);
! 335: *buf_ptr = BCx | (addr & 0xfffc) | 0x2 | ((*buf_ptr) & 0x03ff0001);
! 336: }
! 337:
! 338: }
! 339: break;
! 340: }
! 341: /* Set the fields of immediate loads. */
! 342: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 343: buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff);
! 344: buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff);
! 345: #else
! 346: buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 48) & 0xffff);
! 347: buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 32) & 0xffff);
! 348: buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | ((addr >> 16) & 0xffff);
! 349: buf_ptr[4] = (buf_ptr[4] & 0xffff0000) | (addr & 0xffff);
! 350: #endif
! 351: } while (0);
! 352: jump = jump->next;
! 353: }
! 354:
! 355: SLJIT_CACHE_FLUSH(code, code_ptr);
! 356: compiler->error = SLJIT_ERR_COMPILED;
! 357: compiler->executable_size = compiler->size * sizeof(sljit_ins);
! 358:
! 359: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 360: if (((sljit_w)code_ptr) & 0x4)
! 361: code_ptr++;
! 362: sljit_set_function_context(NULL, (struct sljit_function_context*)code_ptr, (sljit_w)code, sljit_generate_code);
! 363: return code_ptr;
! 364: #else
! 365: return code;
! 366: #endif
! 367: }
! 368:
! 369: /* inp_flags: */
! 370:
! 371: /* Creates an index in data_transfer_insts array. */
! 372: #define WORD_DATA 0x00
! 373: #define BYTE_DATA 0x01
! 374: #define HALF_DATA 0x02
! 375: #define INT_DATA 0x03
! 376: #define SIGNED_DATA 0x04
! 377: #define LOAD_DATA 0x08
! 378: #define WRITE_BACK 0x10
! 379: #define INDEXED 0x20
! 380:
! 381: #define MEM_MASK 0x3f
! 382:
! 383: /* Other inp_flags. */
! 384:
! 385: #define ARG_TEST 0x0100
! 386: #define ALT_FORM1 0x0200
! 387: #define ALT_FORM2 0x0400
! 388: #define ALT_FORM3 0x0800
! 389: #define ALT_FORM4 0x1000
! 390: #define ALT_FORM5 0x2000
! 391: /* Integer opertion and set flags -> requires exts on 64 bit systems. */
! 392: #define ALT_SIGN_EXT 0x4000
! 393: /* This flag affects the RC() and OERC() macros. */
! 394: #define ALT_SET_FLAGS 0x8000
! 395:
! 396: /* Source and destination is register. */
! 397: #define REG_DEST 0x0001
! 398: #define REG1_SOURCE 0x0002
! 399: #define REG2_SOURCE 0x0004
! 400: /* getput_arg_fast returned true. */
! 401: #define FAST_DEST 0x0008
! 402: /* Multiple instructions are required. */
! 403: #define SLOW_DEST 0x0010
! 404: /* ALT_FORM1 0x0200
! 405: ALT_FORM2 0x0400
! 406: ALT_FORM3 0x0800
! 407: ALT_FORM4 0x1000
! 408: ALT_FORM5 0x2000
! 409: ALT_SIGN_EXT 0x4000
! 410: ALT_SET_FLAGS 0x8000 */
! 411:
! 412: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 413: #include "sljitNativePPC_32.c"
! 414: #else
! 415: #include "sljitNativePPC_64.c"
! 416: #endif
! 417:
! 418: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 419: #define STACK_STORE STW
! 420: #define STACK_LOAD LWZ
! 421: #else
! 422: #define STACK_STORE STD
! 423: #define STACK_LOAD LD
! 424: #endif
! 425:
! 426: static int emit_op(struct sljit_compiler *compiler, int op, int inp_flags,
! 427: int dst, sljit_w dstw,
! 428: int src1, sljit_w src1w,
! 429: int src2, sljit_w src2w);
! 430:
! 431: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
! 432: {
! 433: CHECK_ERROR();
! 434: check_sljit_emit_enter(compiler, args, temporaries, generals, local_size);
! 435:
! 436: compiler->temporaries = temporaries;
! 437: compiler->generals = generals;
! 438: compiler->has_locals = local_size > 0;
! 439:
! 440: FAIL_IF(push_inst(compiler, MFLR | D(0)));
! 441: if (compiler->has_locals)
! 442: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(-(int)(sizeof(sljit_w))) ));
! 443: FAIL_IF(push_inst(compiler, STACK_STORE | S(ZERO_REG) | A(REAL_STACK_PTR) | IMM(-2 * (int)(sizeof(sljit_w))) ));
! 444: if (generals >= 1)
! 445: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_REG1) | A(REAL_STACK_PTR) | IMM(-3 * (int)(sizeof(sljit_w))) ));
! 446: if (generals >= 2)
! 447: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_REG2) | A(REAL_STACK_PTR) | IMM(-4 * (int)(sizeof(sljit_w))) ));
! 448: if (generals >= 3)
! 449: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_REG3) | A(REAL_STACK_PTR) | IMM(-5 * (int)(sizeof(sljit_w))) ));
! 450: if (generals >= 4)
! 451: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_EREG1) | A(REAL_STACK_PTR) | IMM(-6 * (int)(sizeof(sljit_w))) ));
! 452: if (generals >= 5)
! 453: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_EREG2) | A(REAL_STACK_PTR) | IMM(-7 * (int)(sizeof(sljit_w))) ));
! 454: FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(REAL_STACK_PTR) | IMM(sizeof(sljit_w)) ));
! 455:
! 456: FAIL_IF(push_inst(compiler, ADDI | D(ZERO_REG) | A(0) | 0));
! 457: if (args >= 1)
! 458: FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG1) | A(SLJIT_GENERAL_REG1) | B(SLJIT_TEMPORARY_REG1)));
! 459: if (args >= 2)
! 460: FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG2) | A(SLJIT_GENERAL_REG2) | B(SLJIT_TEMPORARY_REG2)));
! 461: if (args >= 3)
! 462: FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG3) | A(SLJIT_GENERAL_REG3) | B(SLJIT_TEMPORARY_REG3)));
! 463:
! 464: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 465: compiler->local_size = (2 + generals + 2) * sizeof(sljit_w) + local_size;
! 466: #else
! 467: compiler->local_size = (2 + generals + 7 + 8) * sizeof(sljit_w) + local_size;
! 468: #endif
! 469: compiler->local_size = (compiler->local_size + 15) & ~0xf;
! 470:
! 471: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 472: if (compiler->local_size <= SIMM_MAX)
! 473: FAIL_IF(push_inst(compiler, STWU | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(-compiler->local_size)));
! 474: else {
! 475: FAIL_IF(load_immediate(compiler, 0, -compiler->local_size));
! 476: FAIL_IF(push_inst(compiler, STWUX | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0)));
! 477: }
! 478: if (compiler->has_locals)
! 479: FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(2 * sizeof(sljit_w))));
! 480: #else
! 481: if (compiler->local_size <= SIMM_MAX)
! 482: FAIL_IF(push_inst(compiler, STDU | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(-compiler->local_size)));
! 483: else {
! 484: FAIL_IF(load_immediate(compiler, 0, -compiler->local_size));
! 485: FAIL_IF(push_inst(compiler, STDUX | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0)));
! 486: }
! 487: if (compiler->has_locals)
! 488: FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM((7 + 8) * sizeof(sljit_w))));
! 489: #endif
! 490:
! 491: return SLJIT_SUCCESS;
! 492: }
! 493:
! 494: SLJIT_API_FUNC_ATTRIBUTE void sljit_fake_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
! 495: {
! 496: CHECK_ERROR_VOID();
! 497: check_sljit_fake_enter(compiler, args, temporaries, generals, local_size);
! 498:
! 499: compiler->temporaries = temporaries;
! 500: compiler->generals = generals;
! 501:
! 502: compiler->has_locals = local_size > 0;
! 503: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 504: compiler->local_size = (2 + generals + 2) * sizeof(sljit_w) + local_size;
! 505: #else
! 506: compiler->local_size = (2 + generals + 7 + 8) * sizeof(sljit_w) + local_size;
! 507: #endif
! 508: compiler->local_size = (compiler->local_size + 15) & ~0xf;
! 509: }
! 510:
! 511: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
! 512: {
! 513: CHECK_ERROR();
! 514: check_sljit_emit_return(compiler, src, srcw);
! 515:
! 516: if (src != SLJIT_UNUSED && src != SLJIT_RETURN_REG)
! 517: FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, SLJIT_RETURN_REG, 0, TMP_REG1, 0, src, srcw));
! 518:
! 519: if (compiler->local_size <= SIMM_MAX)
! 520: FAIL_IF(push_inst(compiler, ADDI | D(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(compiler->local_size)));
! 521: else {
! 522: FAIL_IF(load_immediate(compiler, 0, compiler->local_size));
! 523: FAIL_IF(push_inst(compiler, ADD | D(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0)));
! 524: }
! 525:
! 526: FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(REAL_STACK_PTR) | IMM(sizeof(sljit_w))));
! 527: if (compiler->generals >= 5)
! 528: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_EREG2) | A(REAL_STACK_PTR) | IMM(-7 * (int)(sizeof(sljit_w))) ));
! 529: if (compiler->generals >= 4)
! 530: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_EREG1) | A(REAL_STACK_PTR) | IMM(-6 * (int)(sizeof(sljit_w))) ));
! 531: if (compiler->generals >= 3)
! 532: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_REG3) | A(REAL_STACK_PTR) | IMM(-5 * (int)(sizeof(sljit_w))) ));
! 533: if (compiler->generals >= 2)
! 534: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_REG2) | A(REAL_STACK_PTR) | IMM(-4 * (int)(sizeof(sljit_w))) ));
! 535: if (compiler->generals >= 1)
! 536: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_REG1) | A(REAL_STACK_PTR) | IMM(-3 * (int)(sizeof(sljit_w))) ));
! 537: FAIL_IF(push_inst(compiler, STACK_LOAD | D(ZERO_REG) | A(REAL_STACK_PTR) | IMM(-2 * (int)(sizeof(sljit_w))) ));
! 538: if (compiler->has_locals)
! 539: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(-(int)(sizeof(sljit_w))) ));
! 540:
! 541: FAIL_IF(push_inst(compiler, MTLR | S(0)));
! 542: FAIL_IF(push_inst(compiler, BLR));
! 543:
! 544: return SLJIT_SUCCESS;
! 545: }
! 546:
! 547: #undef STACK_STORE
! 548: #undef STACK_LOAD
! 549:
! 550: /* --------------------------------------------------------------------- */
! 551: /* Operators */
! 552: /* --------------------------------------------------------------------- */
! 553:
! 554: /* i/x - immediate/indexed form
! 555: n/w - no write-back / write-back (1 bit)
! 556: s/l - store/load (1 bit)
! 557: u/s - signed/unsigned (1 bit)
! 558: w/b/h/i - word/byte/half/int allowed (2 bit)
! 559: It contans 32 items, but not all are different. */
! 560:
! 561: /* 64 bit only: [reg+imm] must be aligned to 4 bytes. */
! 562: #define ADDR_MODE2 0x10000
! 563: /* 64-bit only: there is no lwau instruction. */
! 564: #define UPDATE_REQ 0x20000
! 565:
! 566: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 567: #define ARCH_DEPEND(a, b) a
! 568: #define GET_INST_CODE(inst) (inst)
! 569: #else
! 570: #define ARCH_DEPEND(a, b) b
! 571: #define GET_INST_CODE(index) ((inst) & ~(ADDR_MODE2 | UPDATE_REQ))
! 572: #endif
! 573:
! 574: static SLJIT_CONST sljit_ins data_transfer_insts[64] = {
! 575:
! 576: /* No write-back. */
! 577:
! 578: /* i n s u w */ ARCH_DEPEND(HI(36) /* stw */, HI(62) | ADDR_MODE2 | 0x0 /* std */),
! 579: /* i n s u b */ HI(38) /* stb */,
! 580: /* i n s u h */ HI(44) /* sth*/,
! 581: /* i n s u i */ HI(36) /* stw */,
! 582:
! 583: /* i n s s w */ ARCH_DEPEND(HI(36) /* stw */, HI(62) | ADDR_MODE2 | 0x0 /* std */),
! 584: /* i n s s b */ HI(38) /* stb */,
! 585: /* i n s s h */ HI(44) /* sth*/,
! 586: /* i n s s i */ HI(36) /* stw */,
! 587:
! 588: /* i n l u w */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x0 /* ld */),
! 589: /* i n l u b */ HI(34) /* lbz */,
! 590: /* i n l u h */ HI(40) /* lhz */,
! 591: /* i n l u i */ HI(32) /* lwz */,
! 592:
! 593: /* i n l s w */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x0 /* ld */),
! 594: /* i n l s b */ HI(34) /* lbz */ /* EXTS_REQ */,
! 595: /* i n l s h */ HI(42) /* lha */,
! 596: /* i n l s i */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x2 /* lwa */),
! 597:
! 598: /* Write-back. */
! 599:
! 600: /* i w s u w */ ARCH_DEPEND(HI(37) /* stwu */, HI(62) | ADDR_MODE2 | 0x1 /* stdu */),
! 601: /* i w s u b */ HI(39) /* stbu */,
! 602: /* i w s u h */ HI(45) /* sthu */,
! 603: /* i w s u i */ HI(37) /* stwu */,
! 604:
! 605: /* i w s s w */ ARCH_DEPEND(HI(37) /* stwu */, HI(62) | ADDR_MODE2 | 0x1 /* stdu */),
! 606: /* i w s s b */ HI(39) /* stbu */,
! 607: /* i w s s h */ HI(45) /* sthu */,
! 608: /* i w s s i */ HI(37) /* stwu */,
! 609:
! 610: /* i w l u w */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | 0x1 /* ldu */),
! 611: /* i w l u b */ HI(35) /* lbzu */,
! 612: /* i w l u h */ HI(41) /* lhzu */,
! 613: /* i w l u i */ HI(33) /* lwzu */,
! 614:
! 615: /* i w l s w */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | 0x1 /* ldu */),
! 616: /* i w l s b */ HI(35) /* lbzu */ /* EXTS_REQ */,
! 617: /* i w l s h */ HI(43) /* lhau */,
! 618: /* i w l s i */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | UPDATE_REQ | 0x2 /* lwa */),
! 619:
! 620: /* ---------- */
! 621: /* Indexed */
! 622: /* ---------- */
! 623:
! 624: /* No write-back. */
! 625:
! 626: /* x n s u w */ ARCH_DEPEND(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */),
! 627: /* x n s u b */ HI(31) | LO(215) /* stbx */,
! 628: /* x n s u h */ HI(31) | LO(407) /* sthx */,
! 629: /* x n s u i */ HI(31) | LO(151) /* stwx */,
! 630:
! 631: /* x n s s w */ ARCH_DEPEND(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */),
! 632: /* x n s s b */ HI(31) | LO(215) /* stbx */,
! 633: /* x n s s h */ HI(31) | LO(407) /* sthx */,
! 634: /* x n s s i */ HI(31) | LO(151) /* stwx */,
! 635:
! 636: /* x n l u w */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */),
! 637: /* x n l u b */ HI(31) | LO(87) /* lbzx */,
! 638: /* x n l u h */ HI(31) | LO(279) /* lhzx */,
! 639: /* x n l u i */ HI(31) | LO(23) /* lwzx */,
! 640:
! 641: /* x n l s w */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */),
! 642: /* x n l s b */ HI(31) | LO(87) /* lbzx */ /* EXTS_REQ */,
! 643: /* x n l s h */ HI(31) | LO(343) /* lhax */,
! 644: /* x n l s i */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(341) /* lwax */),
! 645:
! 646: /* Write-back. */
! 647:
! 648: /* x w s u w */ ARCH_DEPEND(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */),
! 649: /* x w s u b */ HI(31) | LO(247) /* stbux */,
! 650: /* x w s u h */ HI(31) | LO(439) /* sthux */,
! 651: /* x w s u i */ HI(31) | LO(183) /* stwux */,
! 652:
! 653: /* x w s s w */ ARCH_DEPEND(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */),
! 654: /* x w s s b */ HI(31) | LO(247) /* stbux */,
! 655: /* x w s s h */ HI(31) | LO(439) /* sthux */,
! 656: /* x w s s i */ HI(31) | LO(183) /* stwux */,
! 657:
! 658: /* x w l u w */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */),
! 659: /* x w l u b */ HI(31) | LO(119) /* lbzux */,
! 660: /* x w l u h */ HI(31) | LO(311) /* lhzux */,
! 661: /* x w l u i */ HI(31) | LO(55) /* lwzux */,
! 662:
! 663: /* x w l s w */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */),
! 664: /* x w l s b */ HI(31) | LO(119) /* lbzux */ /* EXTS_REQ */,
! 665: /* x w l s h */ HI(31) | LO(375) /* lhaux */,
! 666: /* x w l s i */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(373) /* lwaux */)
! 667:
! 668: };
! 669:
! 670: #undef ARCH_DEPEND
! 671:
! 672: /* Simple cases, (no caching is required). */
! 673: static int getput_arg_fast(struct sljit_compiler *compiler, int inp_flags, int reg, int arg, sljit_w argw)
! 674: {
! 675: sljit_ins inst;
! 676: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 677: int tmp_reg;
! 678: #endif
! 679:
! 680: SLJIT_ASSERT(arg & SLJIT_MEM);
! 681: if (!(arg & 0xf)) {
! 682: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 683: if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
! 684: if (inp_flags & ARG_TEST)
! 685: return 1;
! 686:
! 687: inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK];
! 688: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 689: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | IMM(argw));
! 690: return -1;
! 691: }
! 692: #else
! 693: inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK];
! 694: if (argw <= SIMM_MAX && argw >= SIMM_MIN &&
! 695: (!(inst & ADDR_MODE2) || (argw & 0x3) == 0)) {
! 696: if (inp_flags & ARG_TEST)
! 697: return 1;
! 698:
! 699: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | IMM(argw));
! 700: return -1;
! 701: }
! 702: #endif
! 703: return (inp_flags & ARG_TEST) ? SLJIT_SUCCESS : 0;
! 704: }
! 705:
! 706: if (!(arg & 0xf0)) {
! 707: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 708: if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
! 709: if (inp_flags & ARG_TEST)
! 710: return 1;
! 711:
! 712: inst = data_transfer_insts[inp_flags & MEM_MASK];
! 713: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 714: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | IMM(argw));
! 715: return -1;
! 716: }
! 717: #else
! 718: inst = data_transfer_insts[inp_flags & MEM_MASK];
! 719: if (argw <= SIMM_MAX && argw >= SIMM_MIN && (!(inst & ADDR_MODE2) || (argw & 0x3) == 0)) {
! 720: if (inp_flags & ARG_TEST)
! 721: return 1;
! 722:
! 723: if ((inp_flags & WRITE_BACK) && (inst & UPDATE_REQ)) {
! 724: tmp_reg = (inp_flags & LOAD_DATA) ? (arg & 0xf) : TMP_REG3;
! 725: if (push_inst(compiler, ADDI | D(tmp_reg) | A(arg & 0xf) | IMM(argw)))
! 726: return -1;
! 727: arg = tmp_reg | SLJIT_MEM;
! 728: argw = 0;
! 729: }
! 730: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | IMM(argw));
! 731: return -1;
! 732: }
! 733: #endif
! 734: }
! 735: else if (!(argw & 0x3)) {
! 736: if (inp_flags & ARG_TEST)
! 737: return 1;
! 738: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 739: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 740: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B((arg >> 4) & 0xf));
! 741: return -1;
! 742: }
! 743: return (inp_flags & ARG_TEST) ? SLJIT_SUCCESS : 0;
! 744: }
! 745:
! 746: /* See getput_arg below.
! 747: Note: can_cache is called only for binary operators. Those operator always
! 748: uses word arguments without write back. */
! 749: static int can_cache(int arg, sljit_w argw, int next_arg, sljit_w next_argw)
! 750: {
! 751: SLJIT_ASSERT(arg & SLJIT_MEM);
! 752: SLJIT_ASSERT(next_arg & SLJIT_MEM);
! 753:
! 754: if (!(arg & 0xf)) {
! 755: if ((next_arg & SLJIT_MEM) && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX))
! 756: return 1;
! 757: return 0;
! 758: }
! 759:
! 760: if (arg & 0xf0)
! 761: return 0;
! 762:
! 763: if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
! 764: if (arg == next_arg && (next_argw >= SIMM_MAX && next_argw <= SIMM_MIN))
! 765: return 1;
! 766: }
! 767:
! 768: if (arg == next_arg && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX))
! 769: return 1;
! 770:
! 771: return 0;
! 772: }
! 773:
! 774: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 775: #define ADJUST_CACHED_IMM(imm) \
! 776: if ((inst & ADDR_MODE2) && (imm & 0x3)) { \
! 777: /* Adjust cached value. Fortunately this is really a rare case */ \
! 778: compiler->cache_argw += imm & 0x3; \
! 779: FAIL_IF(push_inst(compiler, ADDI | D(TMP_REG3) | A(TMP_REG3) | (imm & 0x3))); \
! 780: imm &= ~0x3; \
! 781: }
! 782: #else
! 783: #define ADJUST_CACHED_IMM(imm)
! 784: #endif
! 785:
! 786: /* Emit the necessary instructions. See can_cache above. */
! 787: static int getput_arg(struct sljit_compiler *compiler, int inp_flags, int reg, int arg, sljit_w argw, int next_arg, sljit_w next_argw)
! 788: {
! 789: int tmp_r;
! 790: sljit_ins inst;
! 791:
! 792: SLJIT_ASSERT(arg & SLJIT_MEM);
! 793:
! 794: tmp_r = (inp_flags & LOAD_DATA) ? reg : TMP_REG3;
! 795: if ((arg & 0xf) == tmp_r) {
! 796: /* Special case for "mov reg, [reg, ... ]".
! 797: Caching would not happen anyway. */
! 798: tmp_r = TMP_REG3;
! 799: compiler->cache_arg = 0;
! 800: compiler->cache_argw = 0;
! 801: }
! 802:
! 803: if (!(arg & 0xf)) {
! 804: inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK];
! 805: if ((compiler->cache_arg & SLJIT_IMM) && (((sljit_uw)argw - (sljit_uw)compiler->cache_argw) <= SIMM_MAX || ((sljit_uw)compiler->cache_argw - (sljit_uw)argw) <= SIMM_MAX)) {
! 806: argw = argw - compiler->cache_argw;
! 807: ADJUST_CACHED_IMM(argw);
! 808: SLJIT_ASSERT(!(inst & UPDATE_REQ));
! 809: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3) | IMM(argw));
! 810: }
! 811:
! 812: if ((next_arg & SLJIT_MEM) && (argw - next_argw <= SIMM_MAX || next_argw - argw <= SIMM_MAX)) {
! 813: SLJIT_ASSERT(inp_flags & LOAD_DATA);
! 814:
! 815: compiler->cache_arg = SLJIT_IMM;
! 816: compiler->cache_argw = argw;
! 817: tmp_r = TMP_REG3;
! 818: }
! 819:
! 820: FAIL_IF(load_immediate(compiler, tmp_r, argw));
! 821: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(tmp_r));
! 822: }
! 823:
! 824: if (SLJIT_UNLIKELY(arg & 0xf0)) {
! 825: argw &= 0x3;
! 826: /* Otherwise getput_arg_fast would capture it. */
! 827: SLJIT_ASSERT(argw);
! 828: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 829: FAIL_IF(push_inst(compiler, RLWINM | S((arg >> 4) & 0xf) | A(tmp_r) | (argw << 11) | ((31 - argw) << 1)));
! 830: #else
! 831: FAIL_IF(push_inst(compiler, RLDI(tmp_r, (arg >> 4) & 0xf, argw, 63 - argw, 1)));
! 832: #endif
! 833: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 834: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 835: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(tmp_r));
! 836: }
! 837:
! 838: inst = data_transfer_insts[inp_flags & MEM_MASK];
! 839:
! 840: if (compiler->cache_arg == arg && ((sljit_uw)argw - (sljit_uw)compiler->cache_argw <= SIMM_MAX || (sljit_uw)compiler->cache_argw - (sljit_uw)argw <= SIMM_MAX)) {
! 841: SLJIT_ASSERT(!(inp_flags & WRITE_BACK));
! 842: argw = argw - compiler->cache_argw;
! 843: ADJUST_CACHED_IMM(argw);
! 844: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3) | IMM(argw));
! 845: }
! 846:
! 847: if ((compiler->cache_arg & SLJIT_IMM) && compiler->cache_argw == argw) {
! 848: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 849: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 850: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(TMP_REG3));
! 851: }
! 852:
! 853: if (argw == next_argw && (next_arg & SLJIT_MEM)) {
! 854: SLJIT_ASSERT(inp_flags & LOAD_DATA);
! 855: FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
! 856:
! 857: compiler->cache_arg = SLJIT_IMM;
! 858: compiler->cache_argw = argw;
! 859:
! 860: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 861: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 862: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(TMP_REG3));
! 863: }
! 864:
! 865: if (arg == next_arg && !(inp_flags & WRITE_BACK) && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX)) {
! 866: SLJIT_ASSERT(inp_flags & LOAD_DATA);
! 867: FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
! 868: FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | A(TMP_REG3) | B(arg & 0xf)));
! 869:
! 870: compiler->cache_arg = arg;
! 871: compiler->cache_argw = argw;
! 872:
! 873: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3));
! 874: }
! 875:
! 876: /* Get the indexed version instead of the normal one. */
! 877: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 878: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 879: FAIL_IF(load_immediate(compiler, tmp_r, argw));
! 880: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(tmp_r));
! 881: }
! 882:
! 883: static int emit_op(struct sljit_compiler *compiler, int op, int inp_flags,
! 884: int dst, sljit_w dstw,
! 885: int src1, sljit_w src1w,
! 886: int src2, sljit_w src2w)
! 887: {
! 888: /* arg1 goes to TMP_REG1 or src reg
! 889: arg2 goes to TMP_REG2, imm or src reg
! 890: TMP_REG3 can be used for caching
! 891: result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
! 892: int dst_r;
! 893: int src1_r;
! 894: int src2_r;
! 895: int sugg_src2_r = TMP_REG2;
! 896: int flags = inp_flags & (ALT_FORM1 | ALT_FORM2 | ALT_FORM3 | ALT_FORM4 | ALT_FORM5 | ALT_SIGN_EXT | ALT_SET_FLAGS);
! 897:
! 898: compiler->cache_arg = 0;
! 899: compiler->cache_argw = 0;
! 900:
! 901: /* Destination check. */
! 902: if (dst >= SLJIT_TEMPORARY_REG1 && dst <= ZERO_REG) {
! 903: dst_r = dst;
! 904: flags |= REG_DEST;
! 905: if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
! 906: sugg_src2_r = dst_r;
! 907: }
! 908: else if (dst == SLJIT_UNUSED) {
! 909: if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM))
! 910: return SLJIT_SUCCESS;
! 911: dst_r = TMP_REG2;
! 912: }
! 913: else {
! 914: SLJIT_ASSERT(dst & SLJIT_MEM);
! 915: if (getput_arg_fast(compiler, inp_flags | ARG_TEST, TMP_REG2, dst, dstw)) {
! 916: flags |= FAST_DEST;
! 917: dst_r = TMP_REG2;
! 918: }
! 919: else {
! 920: flags |= SLOW_DEST;
! 921: dst_r = 0;
! 922: }
! 923: }
! 924:
! 925: /* Source 1. */
! 926: if (src1 >= SLJIT_TEMPORARY_REG1 && src1 <= ZERO_REG) {
! 927: src1_r = src1;
! 928: flags |= REG1_SOURCE;
! 929: }
! 930: else if (src1 & SLJIT_IMM) {
! 931: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 932: if ((inp_flags & 0x3) == INT_DATA) {
! 933: if (inp_flags & SIGNED_DATA)
! 934: src1w = (signed int)src1w;
! 935: else
! 936: src1w = (unsigned int)src1w;
! 937: }
! 938: #endif
! 939: FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
! 940: src1_r = TMP_REG1;
! 941: }
! 942: else if (getput_arg_fast(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w)) {
! 943: FAIL_IF(compiler->error);
! 944: src1_r = TMP_REG1;
! 945: }
! 946: else
! 947: src1_r = 0;
! 948:
! 949: /* Source 2. */
! 950: if (src2 >= SLJIT_TEMPORARY_REG1 && src2 <= ZERO_REG) {
! 951: src2_r = src2;
! 952: flags |= REG2_SOURCE;
! 953: if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
! 954: dst_r = src2_r;
! 955: }
! 956: else if (src2 & SLJIT_IMM) {
! 957: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 958: if ((inp_flags & 0x3) == INT_DATA) {
! 959: if (inp_flags & SIGNED_DATA)
! 960: src2w = (signed int)src2w;
! 961: else
! 962: src2w = (unsigned int)src2w;
! 963: }
! 964: #endif
! 965: FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
! 966: src2_r = sugg_src2_r;
! 967: }
! 968: else if (getput_arg_fast(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w)) {
! 969: FAIL_IF(compiler->error);
! 970: src2_r = sugg_src2_r;
! 971: }
! 972: else
! 973: src2_r = 0;
! 974:
! 975: /* src1_r, src2_r and dst_r can be zero (=unprocessed).
! 976: All arguments are complex addressing modes, and it is a binary operator. */
! 977: if (src1_r == 0 && src2_r == 0 && dst_r == 0) {
! 978: if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
! 979: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
! 980: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
! 981: }
! 982: else {
! 983: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
! 984: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
! 985: }
! 986: src1_r = TMP_REG1;
! 987: src2_r = TMP_REG2;
! 988: }
! 989: else if (src1_r == 0 && src2_r == 0) {
! 990: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
! 991: src1_r = TMP_REG1;
! 992: }
! 993: else if (src1_r == 0 && dst_r == 0) {
! 994: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
! 995: src1_r = TMP_REG1;
! 996: }
! 997: else if (src2_r == 0 && dst_r == 0) {
! 998: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
! 999: src2_r = sugg_src2_r;
! 1000: }
! 1001:
! 1002: if (dst_r == 0)
! 1003: dst_r = TMP_REG2;
! 1004:
! 1005: if (src1_r == 0) {
! 1006: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, 0, 0));
! 1007: src1_r = TMP_REG1;
! 1008: }
! 1009:
! 1010: if (src2_r == 0) {
! 1011: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w, 0, 0));
! 1012: src2_r = sugg_src2_r;
! 1013: }
! 1014:
! 1015: FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
! 1016:
! 1017: if (flags & (FAST_DEST | SLOW_DEST)) {
! 1018: if (flags & FAST_DEST)
! 1019: FAIL_IF(getput_arg_fast(compiler, inp_flags, dst_r, dst, dstw));
! 1020: else
! 1021: FAIL_IF(getput_arg(compiler, inp_flags, dst_r, dst, dstw, 0, 0));
! 1022: }
! 1023: return SLJIT_SUCCESS;
! 1024: }
! 1025:
! 1026: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op0(struct sljit_compiler *compiler, int op)
! 1027: {
! 1028: CHECK_ERROR();
! 1029: check_sljit_emit_op0(compiler, op);
! 1030:
! 1031: op = GET_OPCODE(op);
! 1032: switch (op) {
! 1033: case SLJIT_BREAKPOINT:
! 1034: case SLJIT_NOP:
! 1035: return push_inst(compiler, NOP);
! 1036: break;
! 1037: }
! 1038:
! 1039: return SLJIT_SUCCESS;
! 1040: }
! 1041:
! 1042: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op1(struct sljit_compiler *compiler, int op,
! 1043: int dst, sljit_w dstw,
! 1044: int src, sljit_w srcw)
! 1045: {
! 1046: int inp_flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0;
! 1047:
! 1048: CHECK_ERROR();
! 1049: check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw);
! 1050:
! 1051: if ((src & SLJIT_IMM) && srcw == 0)
! 1052: src = ZERO_REG;
! 1053:
! 1054: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1055: if (op & SLJIT_INT_OP) {
! 1056: inp_flags |= INT_DATA | SIGNED_DATA;
! 1057: if (src & SLJIT_IMM)
! 1058: srcw = (int)srcw;
! 1059: }
! 1060: #endif
! 1061: if (op & SLJIT_SET_O)
! 1062: FAIL_IF(push_inst(compiler, MTXER | S(ZERO_REG)));
! 1063:
! 1064: switch (GET_OPCODE(op)) {
! 1065: case SLJIT_MOV:
! 1066: return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 1067:
! 1068: case SLJIT_MOV_UI:
! 1069: return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 1070:
! 1071: case SLJIT_MOV_SI:
! 1072: return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 1073:
! 1074: case SLJIT_MOV_UB:
! 1075: return emit_op(compiler, SLJIT_MOV_UB, inp_flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
! 1076:
! 1077: case SLJIT_MOV_SB:
! 1078: 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);
! 1079:
! 1080: case SLJIT_MOV_UH:
! 1081: return emit_op(compiler, SLJIT_MOV_UH, inp_flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
! 1082:
! 1083: case SLJIT_MOV_SH:
! 1084: 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);
! 1085:
! 1086: case SLJIT_MOVU:
! 1087: return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 1088:
! 1089: case SLJIT_MOVU_UI:
! 1090: return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 1091:
! 1092: case SLJIT_MOVU_SI:
! 1093: return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 1094:
! 1095: case SLJIT_MOVU_UB:
! 1096: 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);
! 1097:
! 1098: case SLJIT_MOVU_SB:
! 1099: 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);
! 1100:
! 1101: case SLJIT_MOVU_UH:
! 1102: 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);
! 1103:
! 1104: case SLJIT_MOVU_SH:
! 1105: 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);
! 1106:
! 1107: case SLJIT_NOT:
! 1108: return emit_op(compiler, SLJIT_NOT, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
! 1109:
! 1110: case SLJIT_NEG:
! 1111: return emit_op(compiler, SLJIT_NEG, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
! 1112:
! 1113: case SLJIT_CLZ:
! 1114: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1115: return emit_op(compiler, SLJIT_CLZ, inp_flags | (!(op & SLJIT_INT_OP) ? 0 : ALT_FORM1), dst, dstw, TMP_REG1, 0, src, srcw);
! 1116: #else
! 1117: return emit_op(compiler, SLJIT_CLZ, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
! 1118: #endif
! 1119: }
! 1120:
! 1121: return SLJIT_SUCCESS;
! 1122: }
! 1123:
! 1124: #define TEST_SL_IMM(src, srcw) \
! 1125: (((src) & SLJIT_IMM) && (srcw) <= SIMM_MAX && (srcw) >= SIMM_MIN)
! 1126:
! 1127: #define TEST_UL_IMM(src, srcw) \
! 1128: (((src) & SLJIT_IMM) && !((srcw) & ~0xffff))
! 1129:
! 1130: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1131: #define TEST_SH_IMM(src, srcw) \
! 1132: (((src) & SLJIT_IMM) && !((srcw) & 0xffff) && (srcw) <= SLJIT_W(0x7fffffff) && (srcw) >= SLJIT_W(-0x80000000))
! 1133: #else
! 1134: #define TEST_SH_IMM(src, srcw) \
! 1135: (((src) & SLJIT_IMM) && !((srcw) & 0xffff))
! 1136: #endif
! 1137:
! 1138: #define TEST_UH_IMM(src, srcw) \
! 1139: (((src) & SLJIT_IMM) && !((srcw) & ~0xffff0000))
! 1140:
! 1141: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1142: #define TEST_UI_IMM(src, srcw) \
! 1143: (((src) & SLJIT_IMM) && !((srcw) & ~0xffffffff))
! 1144: #else
! 1145: #define TEST_UI_IMM(src, srcw) \
! 1146: ((src) & SLJIT_IMM)
! 1147: #endif
! 1148:
! 1149: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op2(struct sljit_compiler *compiler, int op,
! 1150: int dst, sljit_w dstw,
! 1151: int src1, sljit_w src1w,
! 1152: int src2, sljit_w src2w)
! 1153: {
! 1154: int inp_flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0;
! 1155:
! 1156: CHECK_ERROR();
! 1157: check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
! 1158:
! 1159: if ((src1 & SLJIT_IMM) && src1w == 0)
! 1160: src1 = ZERO_REG;
! 1161: if ((src2 & SLJIT_IMM) && src2w == 0)
! 1162: src2 = ZERO_REG;
! 1163:
! 1164: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1165: if (op & SLJIT_INT_OP) {
! 1166: inp_flags |= INT_DATA | SIGNED_DATA;
! 1167: if (src1 & SLJIT_IMM)
! 1168: src1w = (src1w << 32) >> 32;
! 1169: if (src2 & SLJIT_IMM)
! 1170: src2w = (src2w << 32) >> 32;
! 1171: if (GET_FLAGS(op))
! 1172: inp_flags |= ALT_SIGN_EXT;
! 1173: }
! 1174: #endif
! 1175: if (op & SLJIT_SET_O)
! 1176: FAIL_IF(push_inst(compiler, MTXER | S(ZERO_REG)));
! 1177:
! 1178: switch (GET_OPCODE(op)) {
! 1179: case SLJIT_ADD:
! 1180: if (!GET_FLAGS(op)) {
! 1181: if (TEST_SL_IMM(src2, src2w)) {
! 1182: compiler->imm = src2w & 0xffff;
! 1183: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1184: }
! 1185: if (TEST_SL_IMM(src1, src1w)) {
! 1186: compiler->imm = src1w & 0xffff;
! 1187: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1188: }
! 1189: if (TEST_SH_IMM(src2, src2w)) {
! 1190: compiler->imm = (src2w >> 16) & 0xffff;
! 1191: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1192: }
! 1193: if (TEST_SH_IMM(src1, src1w)) {
! 1194: compiler->imm = (src1w >> 16) & 0xffff;
! 1195: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1196: }
! 1197: }
! 1198: if (!(GET_FLAGS(op) & (SLJIT_SET_E | SLJIT_SET_O))) {
! 1199: if (TEST_SL_IMM(src2, src2w)) {
! 1200: compiler->imm = src2w & 0xffff;
! 1201: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1202: }
! 1203: if (TEST_SL_IMM(src1, src1w)) {
! 1204: compiler->imm = src1w & 0xffff;
! 1205: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1206: }
! 1207: }
! 1208: return emit_op(compiler, SLJIT_ADD, inp_flags, dst, dstw, src1, src1w, src2, src2w);
! 1209:
! 1210: case SLJIT_ADDC:
! 1211: return emit_op(compiler, SLJIT_ADDC, inp_flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w);
! 1212:
! 1213: case SLJIT_SUB:
! 1214: if (!GET_FLAGS(op)) {
! 1215: if (TEST_SL_IMM(src2, -src2w)) {
! 1216: compiler->imm = (-src2w) & 0xffff;
! 1217: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1218: }
! 1219: if (TEST_SL_IMM(src1, src1w)) {
! 1220: compiler->imm = src1w & 0xffff;
! 1221: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1222: }
! 1223: if (TEST_SH_IMM(src2, -src2w)) {
! 1224: compiler->imm = ((-src2w) >> 16) & 0xffff;
! 1225: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1226: }
! 1227: }
! 1228: if (dst == SLJIT_UNUSED && !(GET_FLAGS(op) & ~(SLJIT_SET_E | SLJIT_SET_S))) {
! 1229: /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */
! 1230: if (TEST_SL_IMM(src2, src2w)) {
! 1231: compiler->imm = src2w & 0xffff;
! 1232: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1233: }
! 1234: if (GET_FLAGS(op) == SLJIT_SET_E && TEST_SL_IMM(src1, src1w)) {
! 1235: compiler->imm = src1w & 0xffff;
! 1236: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1237: }
! 1238: }
! 1239: if (dst == SLJIT_UNUSED && GET_FLAGS(op) == SLJIT_SET_U) {
! 1240: /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */
! 1241: if (TEST_UL_IMM(src2, src2w)) {
! 1242: compiler->imm = src2w & 0xffff;
! 1243: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1244: }
! 1245: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w);
! 1246: }
! 1247: if (!(op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O))) {
! 1248: if (TEST_SL_IMM(src2, -src2w)) {
! 1249: compiler->imm = (-src2w) & 0xffff;
! 1250: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1251: }
! 1252: }
! 1253: /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */
! 1254: return emit_op(compiler, SLJIT_SUB, inp_flags | (!(op & SLJIT_SET_U) ? 0 : ALT_FORM5), dst, dstw, src1, src1w, src2, src2w);
! 1255:
! 1256: case SLJIT_SUBC:
! 1257: return emit_op(compiler, SLJIT_SUBC, inp_flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w);
! 1258:
! 1259: case SLJIT_MUL:
! 1260: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1261: if (op & SLJIT_INT_OP)
! 1262: inp_flags |= ALT_FORM2;
! 1263: #endif
! 1264: if (!GET_FLAGS(op)) {
! 1265: if (TEST_SL_IMM(src2, src2w)) {
! 1266: compiler->imm = src2w & 0xffff;
! 1267: return emit_op(compiler, SLJIT_MUL, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1268: }
! 1269: if (TEST_SL_IMM(src1, src1w)) {
! 1270: compiler->imm = src1w & 0xffff;
! 1271: return emit_op(compiler, SLJIT_MUL, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1272: }
! 1273: }
! 1274: return emit_op(compiler, SLJIT_MUL, inp_flags, dst, dstw, src1, src1w, src2, src2w);
! 1275:
! 1276: case SLJIT_AND:
! 1277: case SLJIT_OR:
! 1278: case SLJIT_XOR:
! 1279: /* Commutative unsigned operations. */
! 1280: if (!GET_FLAGS(op) || GET_OPCODE(op) == SLJIT_AND) {
! 1281: if (TEST_UL_IMM(src2, src2w)) {
! 1282: compiler->imm = src2w;
! 1283: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1284: }
! 1285: if (TEST_UL_IMM(src1, src1w)) {
! 1286: compiler->imm = src1w;
! 1287: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1288: }
! 1289: if (TEST_UH_IMM(src2, src2w)) {
! 1290: compiler->imm = (src2w >> 16) & 0xffff;
! 1291: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1292: }
! 1293: if (TEST_UH_IMM(src1, src1w)) {
! 1294: compiler->imm = (src1w >> 16) & 0xffff;
! 1295: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1296: }
! 1297: }
! 1298: if (!GET_FLAGS(op) && GET_OPCODE(op) != SLJIT_AND) {
! 1299: if (TEST_UI_IMM(src2, src2w)) {
! 1300: compiler->imm = src2w;
! 1301: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1302: }
! 1303: if (TEST_UI_IMM(src1, src1w)) {
! 1304: compiler->imm = src1w;
! 1305: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1306: }
! 1307: }
! 1308: return emit_op(compiler, GET_OPCODE(op), inp_flags, dst, dstw, src1, src1w, src2, src2w);
! 1309:
! 1310: case SLJIT_SHL:
! 1311: case SLJIT_LSHR:
! 1312: case SLJIT_ASHR:
! 1313: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1314: if (op & SLJIT_INT_OP)
! 1315: inp_flags |= ALT_FORM2;
! 1316: #endif
! 1317: if (src2 & SLJIT_IMM) {
! 1318: compiler->imm = src2w;
! 1319: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1320: }
! 1321: return emit_op(compiler, GET_OPCODE(op), inp_flags, dst, dstw, src1, src1w, src2, src2w);
! 1322: }
! 1323:
! 1324: return SLJIT_SUCCESS;
! 1325: }
! 1326:
! 1327: /* --------------------------------------------------------------------- */
! 1328: /* Floating point operators */
! 1329: /* --------------------------------------------------------------------- */
! 1330:
! 1331: SLJIT_API_FUNC_ATTRIBUTE int sljit_is_fpu_available(void)
! 1332: {
! 1333: /* Always available. */
! 1334: return 1;
! 1335: }
! 1336:
! 1337: static int emit_fpu_data_transfer(struct sljit_compiler *compiler, int fpu_reg, int load, int arg, sljit_w argw)
! 1338: {
! 1339: SLJIT_ASSERT(arg & SLJIT_MEM);
! 1340:
! 1341: /* Fast loads and stores. */
! 1342: if (!(arg & 0xf0)) {
! 1343: /* Both for (arg & 0xf) == SLJIT_UNUSED and (arg & 0xf) != SLJIT_UNUSED. */
! 1344: if (argw <= SIMM_MAX && argw >= SIMM_MIN)
! 1345: return push_inst(compiler, (load ? LFD : STFD) | FD(fpu_reg) | A(arg & 0xf) | IMM(argw));
! 1346: }
! 1347:
! 1348: if (arg & 0xf0) {
! 1349: argw &= 0x3;
! 1350: if (argw) {
! 1351: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 1352: FAIL_IF(push_inst(compiler, RLWINM | S((arg >> 4) & 0xf) | A(TMP_REG2) | (argw << 11) | ((31 - argw) << 1)));
! 1353: #else
! 1354: FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, (arg >> 4) & 0xf, argw, 63 - argw, 1)));
! 1355: #endif
! 1356: return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(arg & 0xf) | B(TMP_REG2));
! 1357: }
! 1358: return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(arg & 0xf) | B((arg >> 4) & 0xf));
! 1359: }
! 1360:
! 1361: /* Use cache. */
! 1362: if (compiler->cache_arg == arg && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN)
! 1363: return push_inst(compiler, (load ? LFD : STFD) | FD(fpu_reg) | A(TMP_REG3) | IMM(argw - compiler->cache_argw));
! 1364:
! 1365: /* Put value to cache. */
! 1366: compiler->cache_arg = arg;
! 1367: compiler->cache_argw = argw;
! 1368:
! 1369: FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
! 1370: if (!(arg & 0xf))
! 1371: return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(0) | B(TMP_REG3));
! 1372: return push_inst(compiler, (load ? LFDUX : STFDUX) | FD(fpu_reg) | A(TMP_REG3) | B(arg & 0xf));
! 1373: }
! 1374:
! 1375: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop1(struct sljit_compiler *compiler, int op,
! 1376: int dst, sljit_w dstw,
! 1377: int src, sljit_w srcw)
! 1378: {
! 1379: int dst_fr;
! 1380:
! 1381: CHECK_ERROR();
! 1382: check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw);
! 1383:
! 1384: compiler->cache_arg = 0;
! 1385: compiler->cache_argw = 0;
! 1386:
! 1387: if (GET_OPCODE(op) == SLJIT_FCMP) {
! 1388: if (dst > SLJIT_FLOAT_REG4) {
! 1389: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, dst, dstw));
! 1390: dst = TMP_FREG1;
! 1391: }
! 1392: if (src > SLJIT_FLOAT_REG4) {
! 1393: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src, srcw));
! 1394: src = TMP_FREG2;
! 1395: }
! 1396: return push_inst(compiler, FCMPU | CRD(4) | FA(dst) | FB(src));
! 1397: }
! 1398:
! 1399: dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst;
! 1400:
! 1401: if (src > SLJIT_FLOAT_REG4) {
! 1402: FAIL_IF(emit_fpu_data_transfer(compiler, dst_fr, 1, src, srcw));
! 1403: src = dst_fr;
! 1404: }
! 1405:
! 1406: switch (op) {
! 1407: case SLJIT_FMOV:
! 1408: if (src != dst_fr && dst_fr != TMP_FREG1)
! 1409: FAIL_IF(push_inst(compiler, FMR | FD(dst_fr) | FB(src)));
! 1410: break;
! 1411: case SLJIT_FNEG:
! 1412: FAIL_IF(push_inst(compiler, FNEG | FD(dst_fr) | FB(src)));
! 1413: break;
! 1414: case SLJIT_FABS:
! 1415: FAIL_IF(push_inst(compiler, FABS | FD(dst_fr) | FB(src)));
! 1416: break;
! 1417: }
! 1418:
! 1419: if (dst_fr == TMP_FREG1)
! 1420: FAIL_IF(emit_fpu_data_transfer(compiler, src, 0, dst, dstw));
! 1421:
! 1422: return SLJIT_SUCCESS;
! 1423: }
! 1424:
! 1425: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop2(struct sljit_compiler *compiler, int op,
! 1426: int dst, sljit_w dstw,
! 1427: int src1, sljit_w src1w,
! 1428: int src2, sljit_w src2w)
! 1429: {
! 1430: int dst_fr;
! 1431:
! 1432: CHECK_ERROR();
! 1433: check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
! 1434:
! 1435: compiler->cache_arg = 0;
! 1436: compiler->cache_argw = 0;
! 1437:
! 1438: dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst;
! 1439:
! 1440: if (src2 > SLJIT_FLOAT_REG4) {
! 1441: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src2, src2w));
! 1442: src2 = TMP_FREG2;
! 1443: }
! 1444:
! 1445: if (src1 > SLJIT_FLOAT_REG4) {
! 1446: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, src1, src1w));
! 1447: src1 = TMP_FREG1;
! 1448: }
! 1449:
! 1450: switch (op) {
! 1451: case SLJIT_FADD:
! 1452: FAIL_IF(push_inst(compiler, FADD | FD(dst_fr) | FA(src1) | FB(src2)));
! 1453: break;
! 1454:
! 1455: case SLJIT_FSUB:
! 1456: FAIL_IF(push_inst(compiler, FSUB | FD(dst_fr) | FA(src1) | FB(src2)));
! 1457: break;
! 1458:
! 1459: case SLJIT_FMUL:
! 1460: FAIL_IF(push_inst(compiler, FMUL | FD(dst_fr) | FA(src1) | FC(src2) /* FMUL use FC as src2 */));
! 1461: break;
! 1462:
! 1463: case SLJIT_FDIV:
! 1464: FAIL_IF(push_inst(compiler, FDIV | FD(dst_fr) | FA(src1) | FB(src2)));
! 1465: break;
! 1466: }
! 1467:
! 1468: if (dst_fr == TMP_FREG1)
! 1469: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 0, dst, dstw));
! 1470:
! 1471: return SLJIT_SUCCESS;
! 1472: }
! 1473:
! 1474: /* --------------------------------------------------------------------- */
! 1475: /* Other instructions */
! 1476: /* --------------------------------------------------------------------- */
! 1477:
! 1478: 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)
! 1479: {
! 1480: CHECK_ERROR();
! 1481: check_sljit_emit_fast_enter(compiler, dst, dstw, args, temporaries, generals, local_size);
! 1482:
! 1483: compiler->temporaries = temporaries;
! 1484: compiler->generals = generals;
! 1485:
! 1486: compiler->has_locals = local_size > 0;
! 1487: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 1488: compiler->local_size = (2 + generals + 2) * sizeof(sljit_w) + local_size;
! 1489: #else
! 1490: compiler->local_size = (2 + generals + 7 + 8) * sizeof(sljit_w) + local_size;
! 1491: #endif
! 1492: compiler->local_size = (compiler->local_size + 15) & ~0xf;
! 1493:
! 1494: if (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS)
! 1495: return push_inst(compiler, MFLR | D(dst));
! 1496: else if (dst & SLJIT_MEM) {
! 1497: FAIL_IF(push_inst(compiler, MFLR | D(TMP_REG2)));
! 1498: return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
! 1499: }
! 1500:
! 1501: return SLJIT_SUCCESS;
! 1502: }
! 1503:
! 1504: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
! 1505: {
! 1506: CHECK_ERROR();
! 1507: check_sljit_emit_fast_return(compiler, src, srcw);
! 1508:
! 1509: if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS)
! 1510: FAIL_IF(push_inst(compiler, MTLR | S(src)));
! 1511: else {
! 1512: if (src & SLJIT_MEM)
! 1513: FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw));
! 1514: else if (src & SLJIT_IMM)
! 1515: FAIL_IF(load_immediate(compiler, TMP_REG2, srcw));
! 1516: FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2)));
! 1517: }
! 1518: return push_inst(compiler, BLR);
! 1519: }
! 1520:
! 1521: /* --------------------------------------------------------------------- */
! 1522: /* Conditional instructions */
! 1523: /* --------------------------------------------------------------------- */
! 1524:
! 1525: SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
! 1526: {
! 1527: struct sljit_label *label;
! 1528:
! 1529: CHECK_ERROR_PTR();
! 1530: check_sljit_emit_label(compiler);
! 1531:
! 1532: if (compiler->last_label && compiler->last_label->size == compiler->size)
! 1533: return compiler->last_label;
! 1534:
! 1535: label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
! 1536: PTR_FAIL_IF(!label);
! 1537: set_label(label, compiler);
! 1538: return label;
! 1539: }
! 1540:
! 1541: static sljit_ins get_bo_bi_flags(struct sljit_compiler *compiler, int type)
! 1542: {
! 1543: switch (type) {
! 1544: case SLJIT_C_EQUAL:
! 1545: return (12 << 21) | (2 << 16);
! 1546:
! 1547: case SLJIT_C_NOT_EQUAL:
! 1548: return (4 << 21) | (2 << 16);
! 1549:
! 1550: case SLJIT_C_LESS:
! 1551: case SLJIT_C_FLOAT_LESS:
! 1552: return (12 << 21) | ((4 + 0) << 16);
! 1553:
! 1554: case SLJIT_C_GREATER_EQUAL:
! 1555: case SLJIT_C_FLOAT_GREATER_EQUAL:
! 1556: return (4 << 21) | ((4 + 0) << 16);
! 1557:
! 1558: case SLJIT_C_GREATER:
! 1559: case SLJIT_C_FLOAT_GREATER:
! 1560: return (12 << 21) | ((4 + 1) << 16);
! 1561:
! 1562: case SLJIT_C_LESS_EQUAL:
! 1563: case SLJIT_C_FLOAT_LESS_EQUAL:
! 1564: return (4 << 21) | ((4 + 1) << 16);
! 1565:
! 1566: case SLJIT_C_SIG_LESS:
! 1567: return (12 << 21) | (0 << 16);
! 1568:
! 1569: case SLJIT_C_SIG_GREATER_EQUAL:
! 1570: return (4 << 21) | (0 << 16);
! 1571:
! 1572: case SLJIT_C_SIG_GREATER:
! 1573: return (12 << 21) | (1 << 16);
! 1574:
! 1575: case SLJIT_C_SIG_LESS_EQUAL:
! 1576: return (4 << 21) | (1 << 16);
! 1577:
! 1578: case SLJIT_C_OVERFLOW:
! 1579: case SLJIT_C_MUL_OVERFLOW:
! 1580: return (12 << 21) | (3 << 16);
! 1581:
! 1582: case SLJIT_C_NOT_OVERFLOW:
! 1583: case SLJIT_C_MUL_NOT_OVERFLOW:
! 1584: return (4 << 21) | (3 << 16);
! 1585:
! 1586: case SLJIT_C_FLOAT_EQUAL:
! 1587: return (12 << 21) | ((4 + 2) << 16);
! 1588:
! 1589: case SLJIT_C_FLOAT_NOT_EQUAL:
! 1590: return (4 << 21) | ((4 + 2) << 16);
! 1591:
! 1592: case SLJIT_C_FLOAT_NAN:
! 1593: return (12 << 21) | ((4 + 3) << 16);
! 1594:
! 1595: case SLJIT_C_FLOAT_NOT_NAN:
! 1596: return (4 << 21) | ((4 + 3) << 16);
! 1597:
! 1598: default:
! 1599: SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL3);
! 1600: return (20 << 21);
! 1601: }
! 1602: }
! 1603:
! 1604: SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, int type)
! 1605: {
! 1606: struct sljit_jump *jump;
! 1607: sljit_ins bo_bi_flags;
! 1608:
! 1609: CHECK_ERROR_PTR();
! 1610: check_sljit_emit_jump(compiler, type);
! 1611:
! 1612: bo_bi_flags = get_bo_bi_flags(compiler, type & 0xff);
! 1613: if (!bo_bi_flags)
! 1614: return NULL;
! 1615:
! 1616: jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
! 1617: PTR_FAIL_IF(!jump);
! 1618: set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
! 1619: type &= 0xff;
! 1620:
! 1621: /* In PPC, we don't need to touch the arguments. */
! 1622: if (type >= SLJIT_JUMP)
! 1623: jump->flags |= UNCOND_B;
! 1624:
! 1625: PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0));
! 1626: PTR_FAIL_IF(push_inst(compiler, MTCTR | S(TMP_REG1)));
! 1627: jump->addr = compiler->size;
! 1628: PTR_FAIL_IF(push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0)));
! 1629: return jump;
! 1630: }
! 1631:
! 1632: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw)
! 1633: {
! 1634: sljit_ins bo_bi_flags;
! 1635: struct sljit_jump *jump = NULL;
! 1636: int src_r;
! 1637:
! 1638: CHECK_ERROR();
! 1639: check_sljit_emit_ijump(compiler, type, src, srcw);
! 1640:
! 1641: bo_bi_flags = get_bo_bi_flags(compiler, type);
! 1642: FAIL_IF(!bo_bi_flags);
! 1643:
! 1644: if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS)
! 1645: src_r = src;
! 1646: else if (src & SLJIT_IMM) {
! 1647: jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
! 1648: FAIL_IF(!jump);
! 1649: set_jump(jump, compiler, JUMP_ADDR | UNCOND_B);
! 1650: jump->u.target = srcw;
! 1651:
! 1652: FAIL_IF(emit_const(compiler, TMP_REG2, 0));
! 1653: src_r = TMP_REG2;
! 1654: }
! 1655: else {
! 1656: FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw));
! 1657: src_r = TMP_REG2;
! 1658: }
! 1659:
! 1660: FAIL_IF(push_inst(compiler, MTCTR | S(src_r)));
! 1661: if (jump)
! 1662: jump->addr = compiler->size;
! 1663: return push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0));
! 1664: }
! 1665:
! 1666: /* Get a bit from CR, all other bits are zeroed. */
! 1667: #define GET_CR_BIT(bit, dst) \
! 1668: FAIL_IF(push_inst(compiler, MFCR | D(dst))); \
! 1669: FAIL_IF(push_inst(compiler, RLWINM | S(dst) | A(dst) | ((1 + (bit)) << 11) | (31 << 6) | (31 << 1)));
! 1670:
! 1671: #define INVERT_BIT(dst) \
! 1672: FAIL_IF(push_inst(compiler, XORI | S(dst) | A(dst) | 0x1));
! 1673:
! 1674: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type)
! 1675: {
! 1676: int reg;
! 1677:
! 1678: CHECK_ERROR();
! 1679: check_sljit_emit_cond_value(compiler, op, dst, dstw, type);
! 1680:
! 1681: if (dst == SLJIT_UNUSED)
! 1682: return SLJIT_SUCCESS;
! 1683:
! 1684: reg = (op == SLJIT_MOV && dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2;
! 1685:
! 1686: switch (type) {
! 1687: case SLJIT_C_EQUAL:
! 1688: GET_CR_BIT(2, reg);
! 1689: break;
! 1690:
! 1691: case SLJIT_C_NOT_EQUAL:
! 1692: GET_CR_BIT(2, reg);
! 1693: INVERT_BIT(reg);
! 1694: break;
! 1695:
! 1696: case SLJIT_C_LESS:
! 1697: case SLJIT_C_FLOAT_LESS:
! 1698: GET_CR_BIT(4 + 0, reg);
! 1699: break;
! 1700:
! 1701: case SLJIT_C_GREATER_EQUAL:
! 1702: case SLJIT_C_FLOAT_GREATER_EQUAL:
! 1703: GET_CR_BIT(4 + 0, reg);
! 1704: INVERT_BIT(reg);
! 1705: break;
! 1706:
! 1707: case SLJIT_C_GREATER:
! 1708: case SLJIT_C_FLOAT_GREATER:
! 1709: GET_CR_BIT(4 + 1, reg);
! 1710: break;
! 1711:
! 1712: case SLJIT_C_LESS_EQUAL:
! 1713: case SLJIT_C_FLOAT_LESS_EQUAL:
! 1714: GET_CR_BIT(4 + 1, reg);
! 1715: INVERT_BIT(reg);
! 1716: break;
! 1717:
! 1718: case SLJIT_C_SIG_LESS:
! 1719: GET_CR_BIT(0, reg);
! 1720: break;
! 1721:
! 1722: case SLJIT_C_SIG_GREATER_EQUAL:
! 1723: GET_CR_BIT(0, reg);
! 1724: INVERT_BIT(reg);
! 1725: break;
! 1726:
! 1727: case SLJIT_C_SIG_GREATER:
! 1728: GET_CR_BIT(1, reg);
! 1729: break;
! 1730:
! 1731: case SLJIT_C_SIG_LESS_EQUAL:
! 1732: GET_CR_BIT(1, reg);
! 1733: INVERT_BIT(reg);
! 1734: break;
! 1735:
! 1736: case SLJIT_C_OVERFLOW:
! 1737: case SLJIT_C_MUL_OVERFLOW:
! 1738: GET_CR_BIT(3, reg);
! 1739: break;
! 1740:
! 1741: case SLJIT_C_NOT_OVERFLOW:
! 1742: case SLJIT_C_MUL_NOT_OVERFLOW:
! 1743: GET_CR_BIT(3, reg);
! 1744: INVERT_BIT(reg);
! 1745: break;
! 1746:
! 1747: case SLJIT_C_FLOAT_EQUAL:
! 1748: GET_CR_BIT(4 + 2, reg);
! 1749: break;
! 1750:
! 1751: case SLJIT_C_FLOAT_NOT_EQUAL:
! 1752: GET_CR_BIT(4 + 2, reg);
! 1753: INVERT_BIT(reg);
! 1754: break;
! 1755:
! 1756: case SLJIT_C_FLOAT_NAN:
! 1757: GET_CR_BIT(4 + 3, reg);
! 1758: break;
! 1759:
! 1760: case SLJIT_C_FLOAT_NOT_NAN:
! 1761: GET_CR_BIT(4 + 3, reg);
! 1762: INVERT_BIT(reg);
! 1763: break;
! 1764:
! 1765: default:
! 1766: SLJIT_ASSERT_STOP();
! 1767: break;
! 1768: }
! 1769:
! 1770: if (GET_OPCODE(op) == SLJIT_OR)
! 1771: return emit_op(compiler, GET_OPCODE(op), GET_FLAGS(op) ? ALT_SET_FLAGS : 0, dst, dstw, dst, dstw, TMP_REG2, 0);
! 1772:
! 1773: if (reg == TMP_REG2)
! 1774: return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
! 1775: return SLJIT_SUCCESS;
! 1776: }
! 1777:
! 1778: SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w init_value)
! 1779: {
! 1780: struct sljit_const *const_;
! 1781: int reg;
! 1782:
! 1783: CHECK_ERROR_PTR();
! 1784: check_sljit_emit_const(compiler, dst, dstw, init_value);
! 1785:
! 1786: const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
! 1787: PTR_FAIL_IF(!const_);
! 1788: set_const(const_, compiler);
! 1789:
! 1790: reg = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2;
! 1791:
! 1792: PTR_FAIL_IF(emit_const(compiler, reg, init_value));
! 1793:
! 1794: if (dst & SLJIT_MEM)
! 1795: PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0));
! 1796: return const_;
! 1797: }
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