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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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1409 ldr(ip, FieldMemOperand(ip, token_offset)); | 1409 ldr(ip, FieldMemOperand(ip, token_offset)); |
1410 cmp(scratch, Operand(ip)); | 1410 cmp(scratch, Operand(ip)); |
1411 b(ne, miss); | 1411 b(ne, miss); |
1412 | 1412 |
1413 bind(&same_contexts); | 1413 bind(&same_contexts); |
1414 } | 1414 } |
1415 | 1415 |
1416 | 1416 |
1417 void MacroAssembler::GetNumberHash(Register t0, Register scratch) { | 1417 void MacroAssembler::GetNumberHash(Register t0, Register scratch) { |
1418 // First of all we assign the hash seed to scratch. | 1418 // First of all we assign the hash seed to scratch. |
1419 LoadRoot(scratch, Heap::kStringHashSeedRootIndex); | 1419 LoadRoot(scratch, Heap::kHashSeedRootIndex); |
1420 SmiUntag(scratch); | 1420 SmiUntag(scratch); |
1421 | 1421 |
1422 // Xor original key with a seed. | 1422 // Xor original key with a seed. |
1423 eor(t0, t0, Operand(scratch)); | 1423 eor(t0, t0, Operand(scratch)); |
1424 | 1424 |
1425 // Compute the hash code from the untagged key. This must be kept in sync | 1425 // Compute the hash code from the untagged key. This must be kept in sync |
1426 // with ComputeIntegerHash in utils.h. | 1426 // with ComputeIntegerHash in utils.h. |
1427 // | 1427 // |
1428 // hash = ~hash + (hash << 15); | 1428 // hash = ~hash + (hash << 15); |
1429 mvn(scratch, Operand(t0)); | 1429 mvn(scratch, Operand(t0)); |
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3669 void CodePatcher::EmitCondition(Condition cond) { | 3669 void CodePatcher::EmitCondition(Condition cond) { |
3670 Instr instr = Assembler::instr_at(masm_.pc_); | 3670 Instr instr = Assembler::instr_at(masm_.pc_); |
3671 instr = (instr & ~kCondMask) | cond; | 3671 instr = (instr & ~kCondMask) | cond; |
3672 masm_.emit(instr); | 3672 masm_.emit(instr); |
3673 } | 3673 } |
3674 | 3674 |
3675 | 3675 |
3676 } } // namespace v8::internal | 3676 } } // namespace v8::internal |
3677 | 3677 |
3678 #endif // V8_TARGET_ARCH_ARM | 3678 #endif // V8_TARGET_ARCH_ARM |
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