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Side by Side Diff: src/IceTargetLoweringX8632.h

Issue 619893002: Subzero: Auto-awesome iterators. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Use AsmCodeByte instead of uint8_t Created 6 years, 2 months ago
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1 //===- subzero/src/IceTargetLoweringX8632.h - x86-32 lowering ---*- C++ -*-===// 1 //===- subzero/src/IceTargetLoweringX8632.h - x86-32 lowering ---*- C++ -*-===//
2 // 2 //
3 // The Subzero Code Generator 3 // The Subzero Code Generator
4 // 4 //
5 // This file is distributed under the University of Illinois Open Source 5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details. 6 // License. See LICENSE.TXT for details.
7 // 7 //
8 //===----------------------------------------------------------------------===// 8 //===----------------------------------------------------------------------===//
9 // 9 //
10 // This file declares the TargetLoweringX8632 class, which 10 // This file declares the TargetLoweringX8632 class, which
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42 bool hasFramePointer() const override { return IsEbpBasedFrame; } 42 bool hasFramePointer() const override { return IsEbpBasedFrame; }
43 SizeT getFrameOrStackReg() const override { 43 SizeT getFrameOrStackReg() const override {
44 return IsEbpBasedFrame ? RegX8632::Reg_ebp : RegX8632::Reg_esp; 44 return IsEbpBasedFrame ? RegX8632::Reg_ebp : RegX8632::Reg_esp;
45 } 45 }
46 size_t typeWidthInBytesOnStack(Type Ty) const override { 46 size_t typeWidthInBytesOnStack(Type Ty) const override {
47 // Round up to the next multiple of 4 bytes. In particular, i1, 47 // Round up to the next multiple of 4 bytes. In particular, i1,
48 // i8, and i16 are rounded up to 4 bytes. 48 // i8, and i16 are rounded up to 4 bytes.
49 return (typeWidthInBytes(Ty) + 3) & ~3; 49 return (typeWidthInBytes(Ty) + 3) & ~3;
50 } 50 }
51 SizeT getBundleAlignLog2Bytes() const override { return 5; } 51 SizeT getBundleAlignLog2Bytes() const override { return 5; }
52 llvm::ArrayRef<uint8_t> getNonExecBundlePadding() const override { 52 llvm::ArrayRef<AsmCodeByte> getNonExecBundlePadding() const override {
53 static const uint8_t Padding[] = { 0xF4 }; 53 static const AsmCodeByte Padding[] = { 0xF4 };
54 return llvm::ArrayRef<uint8_t>(Padding, 1); 54 return llvm::ArrayRef<AsmCodeByte>(Padding, 1);
55 } 55 }
56 void emitVariable(const Variable *Var) const override; 56 void emitVariable(const Variable *Var) const override;
57 void lowerArguments() override; 57 void lowerArguments() override;
58 void addProlog(CfgNode *Node) override; 58 void addProlog(CfgNode *Node) override;
59 void addEpilog(CfgNode *Node) override; 59 void addEpilog(CfgNode *Node) override;
60 void emitConstants() const override; 60 void emitConstants() const override;
61 SizeT makeNextLabelNumber() { return NextLabelNumber++; } 61 SizeT makeNextLabelNumber() { return NextLabelNumber++; }
62 // Ensure that a 64-bit Variable has been split into 2 32-bit 62 // Ensure that a 64-bit Variable has been split into 2 32-bit
63 // Variables, creating them if necessary. This is needed for all 63 // Variables, creating them if necessary. This is needed for all
64 // I64 operations, and it is needed for pushing F64 arguments for 64 // I64 operations, and it is needed for pushing F64 arguments for
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501 }; 501 };
502 502
503 template <> void ConstantInteger32::emit(GlobalContext *Ctx) const; 503 template <> void ConstantInteger32::emit(GlobalContext *Ctx) const;
504 template <> void ConstantInteger64::emit(GlobalContext *Ctx) const; 504 template <> void ConstantInteger64::emit(GlobalContext *Ctx) const;
505 template <> void ConstantFloat::emit(GlobalContext *Ctx) const; 505 template <> void ConstantFloat::emit(GlobalContext *Ctx) const;
506 template <> void ConstantDouble::emit(GlobalContext *Ctx) const; 506 template <> void ConstantDouble::emit(GlobalContext *Ctx) const;
507 507
508 } // end of namespace Ice 508 } // end of namespace Ice
509 509
510 #endif // SUBZERO_SRC_ICETARGETLOWERINGX8632_H 510 #endif // SUBZERO_SRC_ICETARGETLOWERINGX8632_H
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