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Issue 6410112: Implement crankshaft support for pixel array loads. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: review feedback, x64 and arm impl Created 9 years, 10 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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1493 return DefineSameAsFirst(new LClassOfTest(value)); 1493 return DefineSameAsFirst(new LClassOfTest(value));
1494 } 1494 }
1495 1495
1496 1496
1497 LInstruction* LChunkBuilder::DoJSArrayLength(HJSArrayLength* instr) { 1497 LInstruction* LChunkBuilder::DoJSArrayLength(HJSArrayLength* instr) {
1498 LOperand* array = UseRegisterAtStart(instr->value()); 1498 LOperand* array = UseRegisterAtStart(instr->value());
1499 return DefineAsRegister(new LJSArrayLength(array)); 1499 return DefineAsRegister(new LJSArrayLength(array));
1500 } 1500 }
1501 1501
1502 1502
1503 LInstruction* LChunkBuilder::DoPixelArrayLength(HPixelArrayLength* instr) {
1504 LOperand* array = UseRegisterAtStart(instr->value());
1505 return DefineAsRegister(new LPixelArrayLength(array));
1506 }
1507
1508
1503 LInstruction* LChunkBuilder::DoFixedArrayLength(HFixedArrayLength* instr) { 1509 LInstruction* LChunkBuilder::DoFixedArrayLength(HFixedArrayLength* instr) {
1504 LOperand* array = UseRegisterAtStart(instr->value()); 1510 LOperand* array = UseRegisterAtStart(instr->value());
1505 return DefineAsRegister(new LFixedArrayLength(array)); 1511 return DefineAsRegister(new LFixedArrayLength(array));
1506 } 1512 }
1507 1513
1508 1514
1509 LInstruction* LChunkBuilder::DoValueOf(HValueOf* instr) { 1515 LInstruction* LChunkBuilder::DoValueOf(HValueOf* instr) {
1510 LOperand* object = UseRegister(instr->value()); 1516 LOperand* object = UseRegister(instr->value());
1511 LValueOf* result = new LValueOf(object, TempRegister()); 1517 LValueOf* result = new LValueOf(object, TempRegister());
1512 return AssignEnvironment(DefineSameAsFirst(result)); 1518 return AssignEnvironment(DefineSameAsFirst(result));
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1709 1715
1710 LInstruction* LChunkBuilder::DoLoadFunctionPrototype( 1716 LInstruction* LChunkBuilder::DoLoadFunctionPrototype(
1711 HLoadFunctionPrototype* instr) { 1717 HLoadFunctionPrototype* instr) {
1712 return AssignEnvironment(DefineAsRegister( 1718 return AssignEnvironment(DefineAsRegister(
1713 new LLoadFunctionPrototype(UseRegister(instr->function())))); 1719 new LLoadFunctionPrototype(UseRegister(instr->function()))));
1714 } 1720 }
1715 1721
1716 1722
1717 LInstruction* LChunkBuilder::DoLoadElements(HLoadElements* instr) { 1723 LInstruction* LChunkBuilder::DoLoadElements(HLoadElements* instr) {
1718 LOperand* input = UseRegisterAtStart(instr->value()); 1724 LOperand* input = UseRegisterAtStart(instr->value());
1719 return DefineSameAsFirst(new LLoadElements(input)); 1725 return DefineAsRegister(new LLoadElements(input));
1720 } 1726 }
1721 1727
1722 1728
1729 LInstruction* LChunkBuilder::DoLoadPixelArrayExternalPointer(
1730 HLoadPixelArrayExternalPointer* instr) {
1731 LOperand* input = UseRegisterAtStart(instr->value());
1732 return DefineAsRegister(new LLoadPixelArrayExternalPointer(input));
1733 }
1734
1735
1723 LInstruction* LChunkBuilder::DoLoadKeyedFastElement( 1736 LInstruction* LChunkBuilder::DoLoadKeyedFastElement(
1724 HLoadKeyedFastElement* instr) { 1737 HLoadKeyedFastElement* instr) {
1725 ASSERT(instr->representation().IsTagged()); 1738 ASSERT(instr->representation().IsTagged());
1726 ASSERT(instr->key()->representation().IsInteger32()); 1739 ASSERT(instr->key()->representation().IsInteger32());
1727 LOperand* obj = UseRegisterAtStart(instr->object()); 1740 LOperand* obj = UseRegisterAtStart(instr->object());
1728 LOperand* key = UseRegisterAtStart(instr->key()); 1741 LOperand* key = UseRegisterAtStart(instr->key());
1729 LLoadKeyedFastElement* result = new LLoadKeyedFastElement(obj, key); 1742 LLoadKeyedFastElement* result = new LLoadKeyedFastElement(obj, key);
1730 return AssignEnvironment(DefineSameAsFirst(result)); 1743 return AssignEnvironment(DefineSameAsFirst(result));
1731 } 1744 }
1732 1745
1733 1746
1747 LInstruction* LChunkBuilder::DoLoadPixelArrayElement(
1748 HLoadPixelArrayElement* instr) {
1749 ASSERT(instr->representation().IsInteger32());
1750 ASSERT(instr->key()->representation().IsInteger32());
1751 LOperand* external_pointer =
1752 UseRegisterAtStart(instr->external_pointer());
1753 LOperand* key = UseRegisterAtStart(instr->key());
1754 LLoadPixelArrayElement* result =
1755 new LLoadPixelArrayElement(external_pointer, key);
1756 return DefineAsRegister(result);
1757 }
1758
1759
1734 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) { 1760 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) {
1735 LOperand* object = UseFixed(instr->object(), r1); 1761 LOperand* object = UseFixed(instr->object(), r1);
1736 LOperand* key = UseFixed(instr->key(), r0); 1762 LOperand* key = UseFixed(instr->key(), r0);
1737 1763
1738 LInstruction* result = 1764 LInstruction* result =
1739 DefineFixed(new LLoadKeyedGeneric(object, key), r0); 1765 DefineFixed(new LLoadKeyedGeneric(object, key), r0);
1740 return MarkAsCall(result, instr); 1766 return MarkAsCall(result, instr);
1741 } 1767 }
1742 1768
1743 1769
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1942 1968
1943 1969
1944 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) { 1970 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) {
1945 HEnvironment* outer = current_block_->last_environment()->outer(); 1971 HEnvironment* outer = current_block_->last_environment()->outer();
1946 current_block_->UpdateEnvironment(outer); 1972 current_block_->UpdateEnvironment(outer);
1947 return NULL; 1973 return NULL;
1948 } 1974 }
1949 1975
1950 1976
1951 } } // namespace v8::internal 1977 } } // namespace v8::internal
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