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Side by Side Diff: src/assembler_ia32.cpp

Issue 647193003: emitIAS for store and indirect calls. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: stuff 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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68 EmitUint8(0xFF); 68 EmitUint8(0xFF);
69 EmitRegisterOperand(2, reg); 69 EmitRegisterOperand(2, reg);
70 } 70 }
71 71
72 void AssemblerX86::call(const Address &address) { 72 void AssemblerX86::call(const Address &address) {
73 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 73 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
74 EmitUint8(0xFF); 74 EmitUint8(0xFF);
75 EmitOperand(2, address); 75 EmitOperand(2, address);
76 } 76 }
77 77
78 void AssemblerX86::call(Label *label) {
79 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
80 EmitUint8(0xE8);
81 static const int kSize = 5;
82 EmitLabel(label, kSize);
83 }
84
85 void AssemblerX86::call(const ConstantRelocatable *label) { 78 void AssemblerX86::call(const ConstantRelocatable *label) {
86 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 79 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
87 intptr_t call_start = buffer_.GetPosition(); 80 intptr_t call_start = buffer_.GetPosition();
88 EmitUint8(0xE8); 81 EmitUint8(0xE8);
89 EmitFixup(DirectCallRelocation::create(this, FK_PcRel_4, label)); 82 EmitFixup(DirectCallRelocation::create(this, FK_PcRel_4, label));
90 EmitInt32(-4); 83 EmitInt32(-4);
91 assert((buffer_.GetPosition() - call_start) == kCallExternalLabelSize); 84 assert((buffer_.GetPosition() - call_start) == kCallExternalLabelSize);
92 (void)call_start; 85 (void)call_start;
93 } 86 }
94 87
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2472 assert(shifter == RegX8632::Encoded_Reg_ecx); 2465 assert(shifter == RegX8632::Encoded_Reg_ecx);
2473 (void)shifter; 2466 (void)shifter;
2474 if (Ty == IceType_i16) 2467 if (Ty == IceType_i16)
2475 EmitOperandSizeOverride(); 2468 EmitOperandSizeOverride();
2476 EmitUint8(isByteSizedArithType(Ty) ? 0xD2 : 0xD3); 2469 EmitUint8(isByteSizedArithType(Ty) ? 0xD2 : 0xD3);
2477 EmitOperand(rm, operand); 2470 EmitOperand(rm, operand);
2478 } 2471 }
2479 2472
2480 } // end of namespace x86 2473 } // end of namespace x86
2481 } // end of namespace Ice 2474 } // end of namespace Ice
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