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| 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
| 2 // All Rights Reserved. | 2 // All Rights Reserved. |
| 3 // | 3 // |
| 4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
| 5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
| 6 // met: | 6 // met: |
| 7 // | 7 // |
| 8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
| 9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
| 10 // | 10 // |
| (...skipping 1248 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1259 | 1259 |
| 1260 | 1260 |
| 1261 //------- Branch and jump instructions -------- | 1261 //------- Branch and jump instructions -------- |
| 1262 | 1262 |
| 1263 void Assembler::b(int16_t offset) { | 1263 void Assembler::b(int16_t offset) { |
| 1264 beq(zero_reg, zero_reg, offset); | 1264 beq(zero_reg, zero_reg, offset); |
| 1265 } | 1265 } |
| 1266 | 1266 |
| 1267 | 1267 |
| 1268 void Assembler::bal(int16_t offset) { | 1268 void Assembler::bal(int16_t offset) { |
| 1269 positions_recorder()->WriteRecordedPositions(); | |
| 1270 bgezal(zero_reg, offset); | 1269 bgezal(zero_reg, offset); |
| 1271 } | 1270 } |
| 1272 | 1271 |
| 1273 | 1272 |
| 1274 void Assembler::bc(int32_t offset) { | 1273 void Assembler::bc(int32_t offset) { |
| 1275 DCHECK(IsMipsArchVariant(kMips32r6)); | 1274 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1276 GenInstrImmediate(BC, offset, CompactBranchType::COMPACT_BRANCH); | 1275 GenInstrImmediate(BC, offset, CompactBranchType::COMPACT_BRANCH); |
| 1277 } | 1276 } |
| 1278 | 1277 |
| 1279 | 1278 |
| 1280 void Assembler::balc(int32_t offset) { | 1279 void Assembler::balc(int32_t offset) { |
| 1281 DCHECK(IsMipsArchVariant(kMips32r6)); | 1280 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1282 positions_recorder()->WriteRecordedPositions(); | |
| 1283 GenInstrImmediate(BALC, offset, CompactBranchType::COMPACT_BRANCH); | 1281 GenInstrImmediate(BALC, offset, CompactBranchType::COMPACT_BRANCH); |
| 1284 } | 1282 } |
| 1285 | 1283 |
| 1286 | 1284 |
| 1287 void Assembler::beq(Register rs, Register rt, int16_t offset) { | 1285 void Assembler::beq(Register rs, Register rt, int16_t offset) { |
| 1288 BlockTrampolinePoolScope block_trampoline_pool(this); | 1286 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1289 GenInstrImmediate(BEQ, rs, rt, offset); | 1287 GenInstrImmediate(BEQ, rs, rt, offset); |
| 1290 BlockTrampolinePoolFor(1); // For associated delay slot. | 1288 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1291 } | 1289 } |
| 1292 | 1290 |
| (...skipping 26 matching lines...) Expand all Loading... |
| 1319 DCHECK(!(rs.is(zero_reg))); | 1317 DCHECK(!(rs.is(zero_reg))); |
| 1320 DCHECK(!(rt.is(zero_reg))); | 1318 DCHECK(!(rt.is(zero_reg))); |
| 1321 DCHECK(rs.code() != rt.code()); | 1319 DCHECK(rs.code() != rt.code()); |
| 1322 GenInstrImmediate(BLEZL, rs, rt, offset, CompactBranchType::COMPACT_BRANCH); | 1320 GenInstrImmediate(BLEZL, rs, rt, offset, CompactBranchType::COMPACT_BRANCH); |
| 1323 } | 1321 } |
| 1324 | 1322 |
| 1325 | 1323 |
| 1326 void Assembler::bgezal(Register rs, int16_t offset) { | 1324 void Assembler::bgezal(Register rs, int16_t offset) { |
| 1327 DCHECK(!IsMipsArchVariant(kMips32r6) || rs.is(zero_reg)); | 1325 DCHECK(!IsMipsArchVariant(kMips32r6) || rs.is(zero_reg)); |
| 1328 BlockTrampolinePoolScope block_trampoline_pool(this); | 1326 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1329 positions_recorder()->WriteRecordedPositions(); | |
| 1330 GenInstrImmediate(REGIMM, rs, BGEZAL, offset); | 1327 GenInstrImmediate(REGIMM, rs, BGEZAL, offset); |
| 1331 BlockTrampolinePoolFor(1); // For associated delay slot. | 1328 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1332 } | 1329 } |
| 1333 | 1330 |
| 1334 | 1331 |
| 1335 void Assembler::bgtz(Register rs, int16_t offset) { | 1332 void Assembler::bgtz(Register rs, int16_t offset) { |
| 1336 BlockTrampolinePoolScope block_trampoline_pool(this); | 1333 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1337 GenInstrImmediate(BGTZ, rs, zero_reg, offset); | 1334 GenInstrImmediate(BGTZ, rs, zero_reg, offset); |
| 1338 BlockTrampolinePoolFor(1); // For associated delay slot. | 1335 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1339 } | 1336 } |
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| 1390 void Assembler::bltz(Register rs, int16_t offset) { | 1387 void Assembler::bltz(Register rs, int16_t offset) { |
| 1391 BlockTrampolinePoolScope block_trampoline_pool(this); | 1388 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1392 GenInstrImmediate(REGIMM, rs, BLTZ, offset); | 1389 GenInstrImmediate(REGIMM, rs, BLTZ, offset); |
| 1393 BlockTrampolinePoolFor(1); // For associated delay slot. | 1390 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1394 } | 1391 } |
| 1395 | 1392 |
| 1396 | 1393 |
| 1397 void Assembler::bltzal(Register rs, int16_t offset) { | 1394 void Assembler::bltzal(Register rs, int16_t offset) { |
| 1398 DCHECK(!IsMipsArchVariant(kMips32r6) || rs.is(zero_reg)); | 1395 DCHECK(!IsMipsArchVariant(kMips32r6) || rs.is(zero_reg)); |
| 1399 BlockTrampolinePoolScope block_trampoline_pool(this); | 1396 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1400 positions_recorder()->WriteRecordedPositions(); | |
| 1401 GenInstrImmediate(REGIMM, rs, BLTZAL, offset); | 1397 GenInstrImmediate(REGIMM, rs, BLTZAL, offset); |
| 1402 BlockTrampolinePoolFor(1); // For associated delay slot. | 1398 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1403 } | 1399 } |
| 1404 | 1400 |
| 1405 | 1401 |
| 1406 void Assembler::bne(Register rs, Register rt, int16_t offset) { | 1402 void Assembler::bne(Register rs, Register rt, int16_t offset) { |
| 1407 BlockTrampolinePoolScope block_trampoline_pool(this); | 1403 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1408 GenInstrImmediate(BNE, rs, rt, offset); | 1404 GenInstrImmediate(BNE, rs, rt, offset); |
| 1409 BlockTrampolinePoolFor(1); // For associated delay slot. | 1405 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1410 } | 1406 } |
| (...skipping 15 matching lines...) Expand all Loading... |
| 1426 GenInstrImmediate(DADDI, rs, rt, offset, CompactBranchType::COMPACT_BRANCH); | 1422 GenInstrImmediate(DADDI, rs, rt, offset, CompactBranchType::COMPACT_BRANCH); |
| 1427 } else { | 1423 } else { |
| 1428 GenInstrImmediate(DADDI, rt, rs, offset, CompactBranchType::COMPACT_BRANCH); | 1424 GenInstrImmediate(DADDI, rt, rs, offset, CompactBranchType::COMPACT_BRANCH); |
| 1429 } | 1425 } |
| 1430 } | 1426 } |
| 1431 | 1427 |
| 1432 | 1428 |
| 1433 void Assembler::blezalc(Register rt, int16_t offset) { | 1429 void Assembler::blezalc(Register rt, int16_t offset) { |
| 1434 DCHECK(IsMipsArchVariant(kMips32r6)); | 1430 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1435 DCHECK(!(rt.is(zero_reg))); | 1431 DCHECK(!(rt.is(zero_reg))); |
| 1436 positions_recorder()->WriteRecordedPositions(); | |
| 1437 GenInstrImmediate(BLEZ, zero_reg, rt, offset, | 1432 GenInstrImmediate(BLEZ, zero_reg, rt, offset, |
| 1438 CompactBranchType::COMPACT_BRANCH); | 1433 CompactBranchType::COMPACT_BRANCH); |
| 1439 } | 1434 } |
| 1440 | 1435 |
| 1441 | 1436 |
| 1442 void Assembler::bgezalc(Register rt, int16_t offset) { | 1437 void Assembler::bgezalc(Register rt, int16_t offset) { |
| 1443 DCHECK(IsMipsArchVariant(kMips32r6)); | 1438 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1444 DCHECK(!(rt.is(zero_reg))); | 1439 DCHECK(!(rt.is(zero_reg))); |
| 1445 positions_recorder()->WriteRecordedPositions(); | |
| 1446 GenInstrImmediate(BLEZ, rt, rt, offset, CompactBranchType::COMPACT_BRANCH); | 1440 GenInstrImmediate(BLEZ, rt, rt, offset, CompactBranchType::COMPACT_BRANCH); |
| 1447 } | 1441 } |
| 1448 | 1442 |
| 1449 | 1443 |
| 1450 void Assembler::bgezall(Register rs, int16_t offset) { | 1444 void Assembler::bgezall(Register rs, int16_t offset) { |
| 1451 DCHECK(!IsMipsArchVariant(kMips32r6)); | 1445 DCHECK(!IsMipsArchVariant(kMips32r6)); |
| 1452 DCHECK(!(rs.is(zero_reg))); | 1446 DCHECK(!(rs.is(zero_reg))); |
| 1453 BlockTrampolinePoolScope block_trampoline_pool(this); | 1447 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1454 positions_recorder()->WriteRecordedPositions(); | |
| 1455 GenInstrImmediate(REGIMM, rs, BGEZALL, offset); | 1448 GenInstrImmediate(REGIMM, rs, BGEZALL, offset); |
| 1456 BlockTrampolinePoolFor(1); // For associated delay slot. | 1449 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1457 } | 1450 } |
| 1458 | 1451 |
| 1459 | 1452 |
| 1460 void Assembler::bltzalc(Register rt, int16_t offset) { | 1453 void Assembler::bltzalc(Register rt, int16_t offset) { |
| 1461 DCHECK(IsMipsArchVariant(kMips32r6)); | 1454 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1462 DCHECK(!(rt.is(zero_reg))); | 1455 DCHECK(!(rt.is(zero_reg))); |
| 1463 positions_recorder()->WriteRecordedPositions(); | |
| 1464 GenInstrImmediate(BGTZ, rt, rt, offset, CompactBranchType::COMPACT_BRANCH); | 1456 GenInstrImmediate(BGTZ, rt, rt, offset, CompactBranchType::COMPACT_BRANCH); |
| 1465 } | 1457 } |
| 1466 | 1458 |
| 1467 | 1459 |
| 1468 void Assembler::bgtzalc(Register rt, int16_t offset) { | 1460 void Assembler::bgtzalc(Register rt, int16_t offset) { |
| 1469 DCHECK(IsMipsArchVariant(kMips32r6)); | 1461 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1470 DCHECK(!(rt.is(zero_reg))); | 1462 DCHECK(!(rt.is(zero_reg))); |
| 1471 positions_recorder()->WriteRecordedPositions(); | |
| 1472 GenInstrImmediate(BGTZ, zero_reg, rt, offset, | 1463 GenInstrImmediate(BGTZ, zero_reg, rt, offset, |
| 1473 CompactBranchType::COMPACT_BRANCH); | 1464 CompactBranchType::COMPACT_BRANCH); |
| 1474 } | 1465 } |
| 1475 | 1466 |
| 1476 | 1467 |
| 1477 void Assembler::beqzalc(Register rt, int16_t offset) { | 1468 void Assembler::beqzalc(Register rt, int16_t offset) { |
| 1478 DCHECK(IsMipsArchVariant(kMips32r6)); | 1469 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1479 DCHECK(!(rt.is(zero_reg))); | 1470 DCHECK(!(rt.is(zero_reg))); |
| 1480 positions_recorder()->WriteRecordedPositions(); | |
| 1481 GenInstrImmediate(ADDI, zero_reg, rt, offset, | 1471 GenInstrImmediate(ADDI, zero_reg, rt, offset, |
| 1482 CompactBranchType::COMPACT_BRANCH); | 1472 CompactBranchType::COMPACT_BRANCH); |
| 1483 } | 1473 } |
| 1484 | 1474 |
| 1485 | 1475 |
| 1486 void Assembler::bnezalc(Register rt, int16_t offset) { | 1476 void Assembler::bnezalc(Register rt, int16_t offset) { |
| 1487 DCHECK(IsMipsArchVariant(kMips32r6)); | 1477 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1488 DCHECK(!(rt.is(zero_reg))); | 1478 DCHECK(!(rt.is(zero_reg))); |
| 1489 positions_recorder()->WriteRecordedPositions(); | |
| 1490 GenInstrImmediate(DADDI, zero_reg, rt, offset, | 1479 GenInstrImmediate(DADDI, zero_reg, rt, offset, |
| 1491 CompactBranchType::COMPACT_BRANCH); | 1480 CompactBranchType::COMPACT_BRANCH); |
| 1492 } | 1481 } |
| 1493 | 1482 |
| 1494 | 1483 |
| 1495 void Assembler::beqc(Register rs, Register rt, int16_t offset) { | 1484 void Assembler::beqc(Register rs, Register rt, int16_t offset) { |
| 1496 DCHECK(IsMipsArchVariant(kMips32r6)); | 1485 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1497 DCHECK(rs.code() != rt.code() && rs.code() != 0 && rt.code() != 0); | 1486 DCHECK(rs.code() != rt.code() && rs.code() != 0 && rt.code() != 0); |
| 1498 if (rs.code() < rt.code()) { | 1487 if (rs.code() < rt.code()) { |
| 1499 GenInstrImmediate(ADDI, rs, rt, offset, CompactBranchType::COMPACT_BRANCH); | 1488 GenInstrImmediate(ADDI, rs, rt, offset, CompactBranchType::COMPACT_BRANCH); |
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| 1538 #endif | 1527 #endif |
| 1539 BlockTrampolinePoolScope block_trampoline_pool(this); | 1528 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1540 GenInstrJump(J, (target >> 2) & kImm26Mask); | 1529 GenInstrJump(J, (target >> 2) & kImm26Mask); |
| 1541 BlockTrampolinePoolFor(1); // For associated delay slot. | 1530 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1542 } | 1531 } |
| 1543 | 1532 |
| 1544 | 1533 |
| 1545 void Assembler::jr(Register rs) { | 1534 void Assembler::jr(Register rs) { |
| 1546 if (!IsMipsArchVariant(kMips32r6)) { | 1535 if (!IsMipsArchVariant(kMips32r6)) { |
| 1547 BlockTrampolinePoolScope block_trampoline_pool(this); | 1536 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1548 if (rs.is(ra)) { | |
| 1549 positions_recorder()->WriteRecordedPositions(); | |
| 1550 } | |
| 1551 GenInstrRegister(SPECIAL, rs, zero_reg, zero_reg, 0, JR); | 1537 GenInstrRegister(SPECIAL, rs, zero_reg, zero_reg, 0, JR); |
| 1552 BlockTrampolinePoolFor(1); // For associated delay slot. | 1538 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1553 } else { | 1539 } else { |
| 1554 jalr(rs, zero_reg); | 1540 jalr(rs, zero_reg); |
| 1555 } | 1541 } |
| 1556 } | 1542 } |
| 1557 | 1543 |
| 1558 | 1544 |
| 1559 void Assembler::jal(int32_t target) { | 1545 void Assembler::jal(int32_t target) { |
| 1560 #ifdef DEBUG | 1546 #ifdef DEBUG |
| 1561 // Get pc of delay slot. | 1547 // Get pc of delay slot. |
| 1562 uint32_t ipc = reinterpret_cast<uint32_t>(pc_ + 1 * kInstrSize); | 1548 uint32_t ipc = reinterpret_cast<uint32_t>(pc_ + 1 * kInstrSize); |
| 1563 bool in_range = ((ipc ^ static_cast<uint32_t>(target)) >> | 1549 bool in_range = ((ipc ^ static_cast<uint32_t>(target)) >> |
| 1564 (kImm26Bits + kImmFieldShift)) == 0; | 1550 (kImm26Bits + kImmFieldShift)) == 0; |
| 1565 DCHECK(in_range && ((target & 3) == 0)); | 1551 DCHECK(in_range && ((target & 3) == 0)); |
| 1566 #endif | 1552 #endif |
| 1567 BlockTrampolinePoolScope block_trampoline_pool(this); | 1553 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1568 positions_recorder()->WriteRecordedPositions(); | |
| 1569 GenInstrJump(JAL, (target >> 2) & kImm26Mask); | 1554 GenInstrJump(JAL, (target >> 2) & kImm26Mask); |
| 1570 BlockTrampolinePoolFor(1); // For associated delay slot. | 1555 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1571 } | 1556 } |
| 1572 | 1557 |
| 1573 | 1558 |
| 1574 void Assembler::jalr(Register rs, Register rd) { | 1559 void Assembler::jalr(Register rs, Register rd) { |
| 1575 DCHECK(rs.code() != rd.code()); | 1560 DCHECK(rs.code() != rd.code()); |
| 1576 BlockTrampolinePoolScope block_trampoline_pool(this); | 1561 BlockTrampolinePoolScope block_trampoline_pool(this); |
| 1577 positions_recorder()->WriteRecordedPositions(); | |
| 1578 GenInstrRegister(SPECIAL, rs, zero_reg, rd, 0, JALR); | 1562 GenInstrRegister(SPECIAL, rs, zero_reg, rd, 0, JALR); |
| 1579 BlockTrampolinePoolFor(1); // For associated delay slot. | 1563 BlockTrampolinePoolFor(1); // For associated delay slot. |
| 1580 } | 1564 } |
| 1581 | 1565 |
| 1582 | 1566 |
| 1583 void Assembler::jic(Register rt, int16_t offset) { | 1567 void Assembler::jic(Register rt, int16_t offset) { |
| 1584 DCHECK(IsMipsArchVariant(kMips32r6)); | 1568 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1585 GenInstrImmediate(POP66, zero_reg, rt, offset); | 1569 GenInstrImmediate(POP66, zero_reg, rt, offset); |
| 1586 } | 1570 } |
| 1587 | 1571 |
| 1588 | 1572 |
| 1589 void Assembler::jialc(Register rt, int16_t offset) { | 1573 void Assembler::jialc(Register rt, int16_t offset) { |
| 1590 DCHECK(IsMipsArchVariant(kMips32r6)); | 1574 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 1591 positions_recorder()->WriteRecordedPositions(); | |
| 1592 GenInstrImmediate(POP76, zero_reg, rt, offset); | 1575 GenInstrImmediate(POP76, zero_reg, rt, offset); |
| 1593 } | 1576 } |
| 1594 | 1577 |
| 1595 | 1578 |
| 1596 // -------Data-processing-instructions--------- | 1579 // -------Data-processing-instructions--------- |
| 1597 | 1580 |
| 1598 // Arithmetic. | 1581 // Arithmetic. |
| 1599 | 1582 |
| 1600 void Assembler::addu(Register rd, Register rs, Register rt) { | 1583 void Assembler::addu(Register rd, Register rs, Register rt) { |
| 1601 GenInstrRegister(SPECIAL, rs, rt, rd, 0, ADDU); | 1584 GenInstrRegister(SPECIAL, rs, rt, rd, 0, ADDU); |
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| 3194 | 3177 |
| 3195 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { | 3178 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { |
| 3196 Assembler::FlushICache(isolate, pc, 2 * sizeof(int32_t)); | 3179 Assembler::FlushICache(isolate, pc, 2 * sizeof(int32_t)); |
| 3197 } | 3180 } |
| 3198 } | 3181 } |
| 3199 | 3182 |
| 3200 } // namespace internal | 3183 } // namespace internal |
| 3201 } // namespace v8 | 3184 } // namespace v8 |
| 3202 | 3185 |
| 3203 #endif // V8_TARGET_ARCH_MIPS | 3186 #endif // V8_TARGET_ARCH_MIPS |
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