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Side by Side Diff: src/assembler_ia32.cpp

Issue 623493002: Subzero: Allow builds with assertions disabled. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Remove commented-out include Created 6 years, 2 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 // 4 //
5 // Modified by the Subzero authors. 5 // Modified by the Subzero authors.
6 // 6 //
7 //===- subzero/src/assembler_ia32.cpp - Assembler for x86-32 -------------===// 7 //===- subzero/src/assembler_ia32.cpp - Assembler for x86-32 -------------===//
8 // 8 //
9 // The Subzero Code Generator 9 // The Subzero Code Generator
10 // 10 //
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84 EmitLabel(label, kSize); 84 EmitLabel(label, kSize);
85 } 85 }
86 86
87 void AssemblerX86::call(const ConstantRelocatable *label) { 87 void AssemblerX86::call(const ConstantRelocatable *label) {
88 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 88 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
89 intptr_t call_start = buffer_.GetPosition(); 89 intptr_t call_start = buffer_.GetPosition();
90 EmitUint8(0xE8); 90 EmitUint8(0xE8);
91 EmitFixup(DirectCallRelocation::create(this, FK_PcRel_4, label)); 91 EmitFixup(DirectCallRelocation::create(this, FK_PcRel_4, label));
92 EmitInt32(-4); 92 EmitInt32(-4);
93 assert((buffer_.GetPosition() - call_start) == kCallExternalLabelSize); 93 assert((buffer_.GetPosition() - call_start) == kCallExternalLabelSize);
94 (void)call_start;
94 } 95 }
95 96
96 void AssemblerX86::pushl(GPRRegister reg) { 97 void AssemblerX86::pushl(GPRRegister reg) {
97 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 98 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
98 EmitUint8(0x50 + reg); 99 EmitUint8(0x50 + reg);
99 } 100 }
100 101
101 void AssemblerX86::pushl(const Address &address) { 102 void AssemblerX86::pushl(const Address &address) {
102 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 103 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
103 EmitUint8(0xFF); 104 EmitUint8(0xFF);
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1742 1743
1743 void AssemblerX86::notl(GPRRegister reg) { 1744 void AssemblerX86::notl(GPRRegister reg) {
1744 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 1745 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
1745 EmitUint8(0xF7); 1746 EmitUint8(0xF7);
1746 EmitUint8(0xD0 | reg); 1747 EmitUint8(0xD0 | reg);
1747 } 1748 }
1748 1749
1749 void AssemblerX86::bswap(Type Ty, GPRRegister reg) { 1750 void AssemblerX86::bswap(Type Ty, GPRRegister reg) {
1750 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 1751 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
1751 assert(Ty == IceType_i32); 1752 assert(Ty == IceType_i32);
1753 (void)Ty;
1752 EmitUint8(0x0F); 1754 EmitUint8(0x0F);
1753 EmitUint8(0xC8 | reg); 1755 EmitUint8(0xC8 | reg);
1754 } 1756 }
1755 1757
1756 void AssemblerX86::bsf(Type Ty, GPRRegister dst, GPRRegister src) { 1758 void AssemblerX86::bsf(Type Ty, GPRRegister dst, GPRRegister src) {
1757 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 1759 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
1758 assert(Ty == IceType_i16 || Ty == IceType_i32); 1760 assert(Ty == IceType_i16 || Ty == IceType_i32);
1759 if (Ty == IceType_i16) 1761 if (Ty == IceType_i16)
1760 EmitOperandSizeOverride(); 1762 EmitOperandSizeOverride();
1761 EmitUint8(0x0F); 1763 EmitUint8(0x0F);
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2138 EmitUint8(0xC1); 2140 EmitUint8(0xC1);
2139 EmitOperand(rm, Operand(reg)); 2141 EmitOperand(rm, Operand(reg));
2140 EmitUint8(imm.value() & 0xFF); 2142 EmitUint8(imm.value() & 0xFF);
2141 } 2143 }
2142 } 2144 }
2143 2145
2144 void AssemblerX86::EmitGenericShift(int rm, const Operand &operand, 2146 void AssemblerX86::EmitGenericShift(int rm, const Operand &operand,
2145 GPRRegister shifter) { 2147 GPRRegister shifter) {
2146 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 2148 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
2147 assert(shifter == RegX8632::Encoded_Reg_ecx); 2149 assert(shifter == RegX8632::Encoded_Reg_ecx);
2150 (void)shifter;
2148 EmitUint8(0xD3); 2151 EmitUint8(0xD3);
2149 EmitOperand(rm, Operand(operand)); 2152 EmitOperand(rm, Operand(operand));
2150 } 2153 }
2151 2154
2152 } // end of namespace x86 2155 } // end of namespace x86
2153 } // end of namespace Ice 2156 } // end of namespace Ice
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