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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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1546 if (push_pop) { | 1546 if (push_pop) { |
1547 add(Operand(esp), Immediate(kPointerSize)); // Pop. | 1547 add(Operand(esp), Immediate(kPointerSize)); // Pop. |
1548 } | 1548 } |
1549 if (!scratch.is(dst)) { | 1549 if (!scratch.is(dst)) { |
1550 mov(dst, scratch); | 1550 mov(dst, scratch); |
1551 } | 1551 } |
1552 } | 1552 } |
1553 } | 1553 } |
1554 | 1554 |
1555 | 1555 |
| 1556 void MacroAssembler::LoadPowerOf2(XMMRegister dst, |
| 1557 Register scratch, |
| 1558 int power) { |
| 1559 ASSERT(is_uintn(power + HeapNumber::kExponentBias, |
| 1560 HeapNumber::kExponentBits)); |
| 1561 mov(scratch, Immediate(power + HeapNumber::kExponentBias)); |
| 1562 movd(dst, Operand(scratch)); |
| 1563 psllq(dst, HeapNumber::kMantissaBits); |
| 1564 } |
| 1565 |
| 1566 |
1556 void MacroAssembler::JumpIfInstanceTypeIsNotSequentialAscii( | 1567 void MacroAssembler::JumpIfInstanceTypeIsNotSequentialAscii( |
1557 Register instance_type, | 1568 Register instance_type, |
1558 Register scratch, | 1569 Register scratch, |
1559 Label* failure) { | 1570 Label* failure) { |
1560 if (!scratch.is(instance_type)) { | 1571 if (!scratch.is(instance_type)) { |
1561 mov(scratch, instance_type); | 1572 mov(scratch, instance_type); |
1562 } | 1573 } |
1563 and_(scratch, | 1574 and_(scratch, |
1564 kIsNotStringMask | kStringRepresentationMask | kStringEncodingMask); | 1575 kIsNotStringMask | kStringRepresentationMask | kStringEncodingMask); |
1565 cmp(scratch, kStringTag | kSeqStringTag | kAsciiStringTag); | 1576 cmp(scratch, kStringTag | kSeqStringTag | kAsciiStringTag); |
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1654 | 1665 |
1655 // Check that the code was patched as expected. | 1666 // Check that the code was patched as expected. |
1656 ASSERT(masm_.pc_ == address_ + size_); | 1667 ASSERT(masm_.pc_ == address_ + size_); |
1657 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); | 1668 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); |
1658 } | 1669 } |
1659 | 1670 |
1660 | 1671 |
1661 } } // namespace v8::internal | 1672 } } // namespace v8::internal |
1662 | 1673 |
1663 #endif // V8_TARGET_ARCH_IA32 | 1674 #endif // V8_TARGET_ARCH_IA32 |
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