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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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1542 Label done; | 1542 Label done; |
1543 bool push_pop = (scratch.is(no_reg) && dst.is(source)); | 1543 bool push_pop = (scratch.is(no_reg) && dst.is(source)); |
1544 ASSERT(!scratch.is(source)); | 1544 ASSERT(!scratch.is(source)); |
1545 if (push_pop) { | 1545 if (push_pop) { |
1546 push(dst); | 1546 push(dst); |
1547 scratch = dst; | 1547 scratch = dst; |
1548 } | 1548 } |
1549 if (scratch.is(no_reg)) scratch = dst; | 1549 if (scratch.is(no_reg)) scratch = dst; |
1550 cvttsd2si(scratch, FieldOperand(source, HeapNumber::kValueOffset)); | 1550 cvttsd2si(scratch, FieldOperand(source, HeapNumber::kValueOffset)); |
1551 cmp(scratch, 0x80000000u); | 1551 cmp(scratch, 0x80000000u); |
1552 if (push_pop || dst.is(source)) { | 1552 if (push_pop) { |
1553 j(not_equal, &done); | 1553 j(not_equal, &done); |
1554 if (push_pop) { | 1554 pop(dst); |
1555 pop(dst); | 1555 jmp(on_not_int32); |
1556 jmp(on_not_int32); | |
1557 } | |
1558 } else { | 1556 } else { |
1559 j(equal, on_not_int32); | 1557 j(equal, on_not_int32); |
1560 } | 1558 } |
1561 | 1559 |
1562 bind(&done); | 1560 bind(&done); |
1563 if (push_pop) { | 1561 if (push_pop) { |
1564 add(Operand(esp), Immediate(kPointerSize)); // Pop. | 1562 add(Operand(esp), Immediate(kPointerSize)); // Pop. |
1565 } | 1563 } |
1566 if (!scratch.is(dst)) { | 1564 if (!scratch.is(dst)) { |
1567 mov(dst, scratch); | 1565 mov(dst, scratch); |
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1671 | 1669 |
1672 // Check that the code was patched as expected. | 1670 // Check that the code was patched as expected. |
1673 ASSERT(masm_.pc_ == address_ + size_); | 1671 ASSERT(masm_.pc_ == address_ + size_); |
1674 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); | 1672 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); |
1675 } | 1673 } |
1676 | 1674 |
1677 | 1675 |
1678 } } // namespace v8::internal | 1676 } } // namespace v8::internal |
1679 | 1677 |
1680 #endif // V8_TARGET_ARCH_IA32 | 1678 #endif // V8_TARGET_ARCH_IA32 |
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