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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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1366 | 1366 |
1367 LInstruction* LChunkBuilder::DoDiv(HDiv* instr) { | 1367 LInstruction* LChunkBuilder::DoDiv(HDiv* instr) { |
1368 if (instr->representation().IsDouble()) { | 1368 if (instr->representation().IsDouble()) { |
1369 return DoArithmeticD(Token::DIV, instr); | 1369 return DoArithmeticD(Token::DIV, instr); |
1370 } else if (instr->representation().IsSmiOrInteger32()) { | 1370 } else if (instr->representation().IsSmiOrInteger32()) { |
1371 ASSERT(instr->left()->representation().Equals(instr->representation())); | 1371 ASSERT(instr->left()->representation().Equals(instr->representation())); |
1372 ASSERT(instr->right()->representation().Equals(instr->representation())); | 1372 ASSERT(instr->right()->representation().Equals(instr->representation())); |
1373 if (instr->HasPowerOf2Divisor()) { | 1373 if (instr->HasPowerOf2Divisor()) { |
1374 ASSERT(!instr->CheckFlag(HValue::kCanBeDivByZero)); | 1374 ASSERT(!instr->CheckFlag(HValue::kCanBeDivByZero)); |
1375 LOperand* value = UseRegisterAtStart(instr->left()); | 1375 LOperand* value = UseRegisterAtStart(instr->left()); |
1376 LDivI* div = | 1376 LDivI* div = new(zone()) LDivI(value, UseConstant(instr->right()), NULL); |
1377 new(zone()) LDivI(value, UseOrConstant(instr->right()), NULL); | 1377 return AssignEnvironment(DefineAsRegister(div)); |
1378 return AssignEnvironment(DefineSameAsFirst(div)); | |
1379 } | 1378 } |
1380 LOperand* dividend = UseRegister(instr->left()); | 1379 LOperand* dividend = UseRegister(instr->left()); |
1381 LOperand* divisor = UseRegister(instr->right()); | 1380 LOperand* divisor = UseRegister(instr->right()); |
1382 LOperand* temp = CpuFeatures::IsSupported(SUDIV) ? NULL : FixedTemp(d4); | 1381 LOperand* temp = CpuFeatures::IsSupported(SUDIV) ? NULL : FixedTemp(d4); |
1383 LDivI* div = new(zone()) LDivI(dividend, divisor, temp); | 1382 LDivI* div = new(zone()) LDivI(dividend, divisor, temp); |
1384 return AssignEnvironment(DefineAsRegister(div)); | 1383 return AssignEnvironment(DefineAsRegister(div)); |
1385 } else { | 1384 } else { |
1386 return DoArithmeticT(Token::DIV, instr); | 1385 return DoArithmeticT(Token::DIV, instr); |
1387 } | 1386 } |
1388 } | 1387 } |
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2622 | 2621 |
2623 | 2622 |
2624 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2623 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2625 LOperand* object = UseRegister(instr->object()); | 2624 LOperand* object = UseRegister(instr->object()); |
2626 LOperand* index = UseRegister(instr->index()); | 2625 LOperand* index = UseRegister(instr->index()); |
2627 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); | 2626 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); |
2628 } | 2627 } |
2629 | 2628 |
2630 | 2629 |
2631 } } // namespace v8::internal | 2630 } } // namespace v8::internal |
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