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Issue 3107027: Fix incorrect encoding of single and double precision registers for some... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 4 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 445 matching lines...) Expand 10 before | Expand all | Expand 10 after
456 case 'i': { // 'i: immediate value from adjacent bits. 456 case 'i': { // 'i: immediate value from adjacent bits.
457 // Expects tokens in the form imm%02d@%02d, ie. imm05@07, imm10@16 457 // Expects tokens in the form imm%02d@%02d, ie. imm05@07, imm10@16
458 int width = (format[3] - '0') * 10 + (format[4] - '0'); 458 int width = (format[3] - '0') * 10 + (format[4] - '0');
459 int lsb = (format[6] - '0') * 10 + (format[7] - '0'); 459 int lsb = (format[6] - '0') * 10 + (format[7] - '0');
460 460
461 ASSERT((width >= 1) && (width <= 32)); 461 ASSERT((width >= 1) && (width <= 32));
462 ASSERT((lsb >= 0) && (lsb <= 31)); 462 ASSERT((lsb >= 0) && (lsb <= 31));
463 ASSERT((width + lsb) <= 32); 463 ASSERT((width + lsb) <= 32);
464 464
465 out_buffer_pos_ += v8i::OS::SNPrintF(out_buffer_ + out_buffer_pos_, 465 out_buffer_pos_ += v8i::OS::SNPrintF(out_buffer_ + out_buffer_pos_,
466 "#%d", 466 "%d",
467 instr->Bits(width + lsb - 1, lsb)); 467 instr->Bits(width + lsb - 1, lsb));
468 return 8; 468 return 8;
469 } 469 }
470 case 'l': { // 'l: branch and link 470 case 'l': { // 'l: branch and link
471 if (instr->HasLink()) { 471 if (instr->HasLink()) {
472 Print("l"); 472 Print("l");
473 } 473 }
474 return 1; 474 return 1;
475 } 475 }
476 case 'm': { 476 case 'm': {
(...skipping 447 matching lines...) Expand 10 before | Expand all | Expand 10 after
924 switch (instr->PUField()) { 924 switch (instr->PUField()) {
925 case 0: { 925 case 0: {
926 ASSERT(!instr->HasW()); 926 ASSERT(!instr->HasW());
927 Format(instr, "'memop'cond'b 'rd, ['rn], -'shift_rm"); 927 Format(instr, "'memop'cond'b 'rd, ['rn], -'shift_rm");
928 break; 928 break;
929 } 929 }
930 case 1: { 930 case 1: {
931 if (instr->HasW()) { 931 if (instr->HasW()) {
932 ASSERT(instr->Bits(5, 4) == 0x1); 932 ASSERT(instr->Bits(5, 4) == 0x1);
933 if (instr->Bit(22) == 0x1) { 933 if (instr->Bit(22) == 0x1) {
934 Format(instr, "usat 'rd, 'imm05@16, 'rm'shift_sat"); 934 Format(instr, "usat 'rd, #'imm05@16, 'rm'shift_sat");
935 } else { 935 } else {
936 UNREACHABLE(); // SSAT. 936 UNREACHABLE(); // SSAT.
937 } 937 }
938 } else { 938 } else {
939 Format(instr, "'memop'cond'b 'rd, ['rn], +'shift_rm"); 939 Format(instr, "'memop'cond'b 'rd, ['rn], +'shift_rm");
940 } 940 }
941 break; 941 break;
942 } 942 }
943 case 2: { 943 case 2: {
944 Format(instr, "'memop'cond'b 'rd, ['rn, -'shift_rm]'w"); 944 Format(instr, "'memop'cond'b 'rd, ['rn, -'shift_rm]'w");
(...skipping 317 matching lines...) Expand 10 before | Expand all | Expand 10 after
1262 // Dm = vmov(Rt, Rt2) 1262 // Dm = vmov(Rt, Rt2)
1263 // <Rt, Rt2> = vmov(Dm) 1263 // <Rt, Rt2> = vmov(Dm)
1264 // Ddst = MEM(Rbase + 4*offset). 1264 // Ddst = MEM(Rbase + 4*offset).
1265 // MEM(Rbase + 4*offset) = Dsrc. 1265 // MEM(Rbase + 4*offset) = Dsrc.
1266 void Decoder::DecodeType6CoprocessorIns(Instr* instr) { 1266 void Decoder::DecodeType6CoprocessorIns(Instr* instr) {
1267 ASSERT((instr->TypeField() == 6)); 1267 ASSERT((instr->TypeField() == 6));
1268 1268
1269 if (instr->CoprocessorField() == 0xA) { 1269 if (instr->CoprocessorField() == 0xA) {
1270 switch (instr->OpcodeField()) { 1270 switch (instr->OpcodeField()) {
1271 case 0x8: 1271 case 0x8:
1272 case 0xA:
1272 if (instr->HasL()) { 1273 if (instr->HasL()) {
1273 Format(instr, "vldr'cond 'Sd, ['rn - 4*'off8]"); 1274 Format(instr, "vldr'cond 'Sd, ['rn - 4*'imm08@00]");
1274 } else { 1275 } else {
1275 Format(instr, "vstr'cond 'Sd, ['rn - 4*'off8]"); 1276 Format(instr, "vstr'cond 'Sd, ['rn - 4*'imm08@00]");
1276 } 1277 }
1277 break; 1278 break;
1278 case 0xC: 1279 case 0xC:
1280 case 0xE:
1279 if (instr->HasL()) { 1281 if (instr->HasL()) {
1280 Format(instr, "vldr'cond 'Sd, ['rn + 4*'off8]"); 1282 Format(instr, "vldr'cond 'Sd, ['rn + 4*'imm08@00]");
1281 } else { 1283 } else {
1282 Format(instr, "vstr'cond 'Sd, ['rn + 4*'off8]"); 1284 Format(instr, "vstr'cond 'Sd, ['rn + 4*'imm08@00]");
1283 } 1285 }
1284 break; 1286 break;
1285 default: 1287 default:
1286 Unknown(instr); // Not used by V8. 1288 Unknown(instr); // Not used by V8.
1287 break; 1289 break;
1288 } 1290 }
1289 } else if (instr->CoprocessorField() == 0xB) { 1291 } else if (instr->CoprocessorField() == 0xB) {
1290 switch (instr->OpcodeField()) { 1292 switch (instr->OpcodeField()) {
1291 case 0x2: 1293 case 0x2:
1292 // Load and store double to two GP registers 1294 // Load and store double to two GP registers
1293 if (instr->Bits(7, 4) != 0x1) { 1295 if (instr->Bits(7, 4) != 0x1) {
1294 Unknown(instr); // Not used by V8. 1296 Unknown(instr); // Not used by V8.
1295 } else if (instr->HasL()) { 1297 } else if (instr->HasL()) {
1296 Format(instr, "vmov'cond 'rt, 'rn, 'Dm"); 1298 Format(instr, "vmov'cond 'rt, 'rn, 'Dm");
1297 } else { 1299 } else {
1298 Format(instr, "vmov'cond 'Dm, 'rt, 'rn"); 1300 Format(instr, "vmov'cond 'Dm, 'rt, 'rn");
1299 } 1301 }
1300 break; 1302 break;
1301 case 0x8: 1303 case 0x8:
1302 if (instr->HasL()) { 1304 if (instr->HasL()) {
1303 Format(instr, "vldr'cond 'Dd, ['rn - 4*'off8]"); 1305 Format(instr, "vldr'cond 'Dd, ['rn - 4*'imm08@00]");
1304 } else { 1306 } else {
1305 Format(instr, "vstr'cond 'Dd, ['rn - 4*'off8]"); 1307 Format(instr, "vstr'cond 'Dd, ['rn - 4*'imm08@00]");
1306 } 1308 }
1307 break; 1309 break;
1308 case 0xC: 1310 case 0xC:
1309 if (instr->HasL()) { 1311 if (instr->HasL()) {
1310 Format(instr, "vldr'cond 'Dd, ['rn + 4*'off8]"); 1312 Format(instr, "vldr'cond 'Dd, ['rn + 4*'imm08@00]");
1311 } else { 1313 } else {
1312 Format(instr, "vstr'cond 'Dd, ['rn + 4*'off8]"); 1314 Format(instr, "vstr'cond 'Dd, ['rn + 4*'imm08@00]");
1313 } 1315 }
1314 break; 1316 break;
1315 default: 1317 default:
1316 Unknown(instr); // Not used by V8. 1318 Unknown(instr); // Not used by V8.
1317 break; 1319 break;
1318 } 1320 }
1319 } else { 1321 } else {
1320 UNIMPLEMENTED(); // Not used by V8. 1322 UNIMPLEMENTED(); // Not used by V8.
1321 } 1323 }
1322 } 1324 }
(...skipping 133 matching lines...) Expand 10 before | Expand all | Expand 10 after
1456 pc += d.InstructionDecode(buffer, pc); 1458 pc += d.InstructionDecode(buffer, pc);
1457 fprintf(f, "%p %08x %s\n", 1459 fprintf(f, "%p %08x %s\n",
1458 prev_pc, *reinterpret_cast<int32_t*>(prev_pc), buffer.start()); 1460 prev_pc, *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
1459 } 1461 }
1460 } 1462 }
1461 1463
1462 1464
1463 } // namespace disasm 1465 } // namespace disasm
1464 1466
1465 #endif // V8_TARGET_ARCH_ARM 1467 #endif // V8_TARGET_ARCH_ARM
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