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Issue 1248293002: Version 4.4.63.23 (cherry-pick) (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@4.4
Patch Set: Created 5 years, 5 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include <sstream> 5 #include <sstream>
6 6
7 #include "src/v8.h" 7 #include "src/v8.h"
8 8
9 #if V8_TARGET_ARCH_X64 9 #if V8_TARGET_ARCH_X64
10 10
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1306 } 1306 }
1307 1307
1308 1308
1309 LInstruction* LChunkBuilder::DoBitwise(HBitwise* instr) { 1309 LInstruction* LChunkBuilder::DoBitwise(HBitwise* instr) {
1310 if (instr->representation().IsSmiOrInteger32()) { 1310 if (instr->representation().IsSmiOrInteger32()) {
1311 DCHECK(instr->left()->representation().Equals(instr->representation())); 1311 DCHECK(instr->left()->representation().Equals(instr->representation()));
1312 DCHECK(instr->right()->representation().Equals(instr->representation())); 1312 DCHECK(instr->right()->representation().Equals(instr->representation()));
1313 DCHECK(instr->CheckFlag(HValue::kTruncatingToInt32)); 1313 DCHECK(instr->CheckFlag(HValue::kTruncatingToInt32));
1314 1314
1315 LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); 1315 LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand());
1316 LOperand* right = UseOrConstantAtStart(instr->BetterRightOperand()); 1316 LOperand* right;
1317 if (SmiValuesAre32Bits() && instr->representation().IsSmi()) {
1318 // We don't support tagged immediates, so we request it in a register.
1319 right = UseRegisterAtStart(instr->BetterRightOperand());
1320 } else {
1321 right = UseOrConstantAtStart(instr->BetterRightOperand());
1322 }
1317 return DefineSameAsFirst(new(zone()) LBitI(left, right)); 1323 return DefineSameAsFirst(new(zone()) LBitI(left, right));
1318 } else { 1324 } else {
1319 return DoArithmeticT(instr->op(), instr); 1325 return DoArithmeticT(instr->op(), instr);
1320 } 1326 }
1321 } 1327 }
1322 1328
1323 1329
1324 LInstruction* LChunkBuilder::DoDivByPowerOf2I(HDiv* instr) { 1330 LInstruction* LChunkBuilder::DoDivByPowerOf2I(HDiv* instr) {
1325 DCHECK(instr->representation().IsSmiOrInteger32()); 1331 DCHECK(instr->representation().IsSmiOrInteger32());
1326 DCHECK(instr->left()->representation().Equals(instr->representation())); 1332 DCHECK(instr->left()->representation().Equals(instr->representation()));
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1548 return DoArithmeticT(Token::MUL, instr); 1554 return DoArithmeticT(Token::MUL, instr);
1549 } 1555 }
1550 } 1556 }
1551 1557
1552 1558
1553 LInstruction* LChunkBuilder::DoSub(HSub* instr) { 1559 LInstruction* LChunkBuilder::DoSub(HSub* instr) {
1554 if (instr->representation().IsSmiOrInteger32()) { 1560 if (instr->representation().IsSmiOrInteger32()) {
1555 DCHECK(instr->left()->representation().Equals(instr->representation())); 1561 DCHECK(instr->left()->representation().Equals(instr->representation()));
1556 DCHECK(instr->right()->representation().Equals(instr->representation())); 1562 DCHECK(instr->right()->representation().Equals(instr->representation()));
1557 LOperand* left = UseRegisterAtStart(instr->left()); 1563 LOperand* left = UseRegisterAtStart(instr->left());
1558 LOperand* right = UseOrConstantAtStart(instr->right()); 1564 LOperand* right;
1565 if (SmiValuesAre32Bits() && instr->representation().IsSmi()) {
1566 // We don't support tagged immediates, so we request it in a register.
1567 right = UseRegisterAtStart(instr->right());
1568 } else {
1569 right = UseOrConstantAtStart(instr->right());
1570 }
1559 LSubI* sub = new(zone()) LSubI(left, right); 1571 LSubI* sub = new(zone()) LSubI(left, right);
1560 LInstruction* result = DefineSameAsFirst(sub); 1572 LInstruction* result = DefineSameAsFirst(sub);
1561 if (instr->CheckFlag(HValue::kCanOverflow)) { 1573 if (instr->CheckFlag(HValue::kCanOverflow)) {
1562 result = AssignEnvironment(result); 1574 result = AssignEnvironment(result);
1563 } 1575 }
1564 return result; 1576 return result;
1565 } else if (instr->representation().IsDouble()) { 1577 } else if (instr->representation().IsDouble()) {
1566 return DoArithmeticD(Token::SUB, instr); 1578 return DoArithmeticD(Token::SUB, instr);
1567 } else { 1579 } else {
1568 return DoArithmeticT(Token::SUB, instr); 1580 return DoArithmeticT(Token::SUB, instr);
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2702 LOperand* function = UseRegisterAtStart(instr->function()); 2714 LOperand* function = UseRegisterAtStart(instr->function());
2703 LAllocateBlockContext* result = 2715 LAllocateBlockContext* result =
2704 new(zone()) LAllocateBlockContext(context, function); 2716 new(zone()) LAllocateBlockContext(context, function);
2705 return MarkAsCall(DefineFixed(result, rsi), instr); 2717 return MarkAsCall(DefineFixed(result, rsi), instr);
2706 } 2718 }
2707 2719
2708 2720
2709 } } // namespace v8::internal 2721 } } // namespace v8::internal
2710 2722
2711 #endif // V8_TARGET_ARCH_X64 2723 #endif // V8_TARGET_ARCH_X64
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