OLD | NEW |
---|---|
1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 |
(...skipping 3351 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
3362 }; | 3362 }; |
3363 | 3363 |
3364 ASSERT(instr->value()->Equals(instr->result())); | 3364 ASSERT(instr->value()->Equals(instr->result())); |
3365 Representation r = instr->hydrogen()->value()->representation(); | 3365 Representation r = instr->hydrogen()->value()->representation(); |
3366 | 3366 |
3367 if (r.IsDouble()) { | 3367 if (r.IsDouble()) { |
3368 XMMRegister scratch = double_scratch0(); | 3368 XMMRegister scratch = double_scratch0(); |
3369 XMMRegister input_reg = ToDoubleRegister(instr->value()); | 3369 XMMRegister input_reg = ToDoubleRegister(instr->value()); |
3370 __ xorps(scratch, scratch); | 3370 __ xorps(scratch, scratch); |
3371 __ subsd(scratch, input_reg); | 3371 __ subsd(scratch, input_reg); |
3372 __ andpd(input_reg, scratch); | 3372 __ andps(input_reg, scratch); |
Benedikt Meurer
2013/10/28 11:23:18
Why use andps instead of andpd here?
| |
3373 } else if (r.IsInteger32()) { | 3373 } else if (r.IsInteger32()) { |
3374 EmitIntegerMathAbs(instr); | 3374 EmitIntegerMathAbs(instr); |
3375 } else if (r.IsSmi()) { | 3375 } else if (r.IsSmi()) { |
3376 EmitSmiMathAbs(instr); | 3376 EmitSmiMathAbs(instr); |
3377 } else { // Tagged case. | 3377 } else { // Tagged case. |
3378 DeferredMathAbsTaggedHeapNumber* deferred = | 3378 DeferredMathAbsTaggedHeapNumber* deferred = |
3379 new(zone()) DeferredMathAbsTaggedHeapNumber(this, instr); | 3379 new(zone()) DeferredMathAbsTaggedHeapNumber(this, instr); |
3380 Register input_reg = ToRegister(instr->value()); | 3380 Register input_reg = ToRegister(instr->value()); |
3381 // Smi check. | 3381 // Smi check. |
3382 __ JumpIfNotSmi(input_reg, deferred->entry()); | 3382 __ JumpIfNotSmi(input_reg, deferred->entry()); |
(...skipping 2072 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
5455 FixedArray::kHeaderSize - kPointerSize)); | 5455 FixedArray::kHeaderSize - kPointerSize)); |
5456 __ bind(&done); | 5456 __ bind(&done); |
5457 } | 5457 } |
5458 | 5458 |
5459 | 5459 |
5460 #undef __ | 5460 #undef __ |
5461 | 5461 |
5462 } } // namespace v8::internal | 5462 } } // namespace v8::internal |
5463 | 5463 |
5464 #endif // V8_TARGET_ARCH_X64 | 5464 #endif // V8_TARGET_ARCH_X64 |
OLD | NEW |