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Issue 59023003: Generate TypedArrayInitialize builtin in hydrogen. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Better implementation of HAdd::New Created 7 years, 1 month 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 // 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
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1555 : UseOrConstantAtStart(right_candidate); 1555 : UseOrConstantAtStart(right_candidate);
1556 LAddI* add = new(zone()) LAddI(left, right); 1556 LAddI* add = new(zone()) LAddI(left, right);
1557 bool can_overflow = instr->CheckFlag(HValue::kCanOverflow); 1557 bool can_overflow = instr->CheckFlag(HValue::kCanOverflow);
1558 LInstruction* result = use_lea 1558 LInstruction* result = use_lea
1559 ? DefineAsRegister(add) 1559 ? DefineAsRegister(add)
1560 : DefineSameAsFirst(add); 1560 : DefineSameAsFirst(add);
1561 if (can_overflow) { 1561 if (can_overflow) {
1562 result = AssignEnvironment(result); 1562 result = AssignEnvironment(result);
1563 } 1563 }
1564 return result; 1564 return result;
1565 } else if (instr->representation().IsExternal()) {
1566 ASSERT(instr->left()->representation().IsExternal());
1567 ASSERT(instr->right()->representation().IsInteger32());
1568 ASSERT(!instr->CheckFlag(HValue::kCanOverflow));
1569 bool use_lea = LAddI::UseLea(instr);
1570 LOperand* left = UseRegisterAtStart(instr->left());
1571 HValue* right_candidate = instr->right();
1572 LOperand* right = use_lea
1573 ? UseRegisterOrConstantAtStart(right_candidate)
1574 : UseOrConstantAtStart(right_candidate);
1575 LAddI* add = new(zone()) LAddI(left, right);
1576 LInstruction* result = use_lea
1577 ? DefineAsRegister(add)
1578 : DefineSameAsFirst(add);
1579 return result;
1565 } else if (instr->representation().IsDouble()) { 1580 } else if (instr->representation().IsDouble()) {
1566 return DoArithmeticD(Token::ADD, instr); 1581 return DoArithmeticD(Token::ADD, instr);
1567 } else { 1582 } else {
1568 return DoArithmeticT(Token::ADD, instr); 1583 return DoArithmeticT(Token::ADD, instr);
1569 } 1584 }
1570 return NULL; 1585 return NULL;
1571 } 1586 }
1572 1587
1573 1588
1574 LInstruction* LChunkBuilder::DoMathMinMax(HMathMinMax* instr) { 1589 LInstruction* LChunkBuilder::DoMathMinMax(HMathMinMax* instr) {
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2616 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { 2631 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
2617 LOperand* object = UseRegister(instr->object()); 2632 LOperand* object = UseRegister(instr->object());
2618 LOperand* index = UseTempRegister(instr->index()); 2633 LOperand* index = UseTempRegister(instr->index());
2619 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); 2634 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index));
2620 } 2635 }
2621 2636
2622 2637
2623 } } // namespace v8::internal 2638 } } // namespace v8::internal
2624 2639
2625 #endif // V8_TARGET_ARCH_X64 2640 #endif // V8_TARGET_ARCH_X64
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