OLD | NEW |
1 //===- subzero/src/assembler_ia32.cpp - Assembler for x86-32 -------------===// | 1 //===- subzero/src/assembler_ia32.cpp - Assembler for x86-32 -------------===// |
2 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 2 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
3 // for details. All rights reserved. Use of this source code is governed by a | 3 // for details. All rights reserved. Use of this source code is governed by a |
4 // BSD-style license that can be found in the LICENSE file. | 4 // BSD-style license that can be found in the LICENSE file. |
5 // | 5 // |
6 // Modified by the Subzero authors. | 6 // Modified by the Subzero authors. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // The Subzero Code Generator | 10 // The Subzero Code Generator |
(...skipping 25 matching lines...) Expand all Loading... |
36 for (const Label *Label : CfgNodeLabels) { | 36 for (const Label *Label : CfgNodeLabels) { |
37 Label->FinalCheck(); | 37 Label->FinalCheck(); |
38 } | 38 } |
39 for (const Label *Label : LocalLabels) { | 39 for (const Label *Label : LocalLabels) { |
40 Label->FinalCheck(); | 40 Label->FinalCheck(); |
41 } | 41 } |
42 #endif | 42 #endif |
43 } | 43 } |
44 | 44 |
45 void AssemblerX86::alignFunction() { | 45 void AssemblerX86::alignFunction() { |
46 intptr_t Pos = buffer_.GetPosition(); | |
47 SizeT Align = 1 << getBundleAlignLog2Bytes(); | 46 SizeT Align = 1 << getBundleAlignLog2Bytes(); |
48 intptr_t Mod = Pos & (Align - 1); | 47 SizeT BytesNeeded = Utils::OffsetToAlignment(buffer_.GetPosition(), Align); |
49 if (Mod == 0) { | |
50 return; | |
51 } | |
52 SizeT BytesNeeded = Align - Mod; | |
53 const SizeT HltSize = 1; | 48 const SizeT HltSize = 1; |
54 while (BytesNeeded > 0) { | 49 while (BytesNeeded > 0) { |
55 hlt(); | 50 hlt(); |
56 BytesNeeded -= HltSize; | 51 BytesNeeded -= HltSize; |
57 } | 52 } |
58 assert((buffer_.GetPosition() & (Align - 1)) == 0); | |
59 } | 53 } |
60 | 54 |
61 Label *AssemblerX86::GetOrCreateLabel(SizeT Number, LabelVector &Labels) { | 55 Label *AssemblerX86::GetOrCreateLabel(SizeT Number, LabelVector &Labels) { |
62 Label *L = nullptr; | 56 Label *L = nullptr; |
63 if (Number == Labels.size()) { | 57 if (Number == Labels.size()) { |
64 L = new (this->Allocate<Label>()) Label(); | 58 L = new (this->Allocate<Label>()) Label(); |
65 Labels.push_back(L); | 59 Labels.push_back(L); |
66 return L; | 60 return L; |
67 } | 61 } |
68 if (Number > Labels.size()) { | 62 if (Number > Labels.size()) { |
(...skipping 2432 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2501 assert(shifter == RegX8632::Encoded_Reg_ecx); | 2495 assert(shifter == RegX8632::Encoded_Reg_ecx); |
2502 (void)shifter; | 2496 (void)shifter; |
2503 if (Ty == IceType_i16) | 2497 if (Ty == IceType_i16) |
2504 EmitOperandSizeOverride(); | 2498 EmitOperandSizeOverride(); |
2505 EmitUint8(isByteSizedArithType(Ty) ? 0xD2 : 0xD3); | 2499 EmitUint8(isByteSizedArithType(Ty) ? 0xD2 : 0xD3); |
2506 EmitOperand(rm, operand); | 2500 EmitOperand(rm, operand); |
2507 } | 2501 } |
2508 | 2502 |
2509 } // end of namespace x86 | 2503 } // end of namespace x86 |
2510 } // end of namespace Ice | 2504 } // end of namespace Ice |
OLD | NEW |