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Side by Side Diff: src/IceRegistersX8632.h

Issue 1260163003: Subzero. Removes references to %ah. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: git pull Created 5 years, 4 months ago
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1 //===- subzero/src/IceRegistersX8632.h - Register information ---*- C++ -*-===// 1 //===- subzero/src/IceRegistersX8632.h - Register information ---*- 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 /// \file 10 /// \file
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71 /// An enum of X87 Stack Registers. The enum value does match the encoding 71 /// An enum of X87 Stack Registers. The enum value does match the encoding
72 /// used to binary encode register operands in instructions. 72 /// used to binary encode register operands in instructions.
73 enum X87STRegister { 73 enum X87STRegister {
74 #define X(val, encode, name) Encoded_##val encode, 74 #define X(val, encode, name) Encoded_##val encode,
75 X87ST_REGX8632_TABLE 75 X87ST_REGX8632_TABLE
76 #undef X 76 #undef X
77 Encoded_Not_X87STReg = -1 77 Encoded_Not_X87STReg = -1
78 }; 78 };
79 79
80 static inline GPRRegister getEncodedGPR(int32_t RegNum) { 80 static inline GPRRegister getEncodedGPR(int32_t RegNum) {
81 assert(Reg_GPR_First <= RegNum && RegNum <= Reg_GPR_Last); 81 assert(Reg_GPR_First <= RegNum);
82 assert(RegNum <= Reg_GPR_Last);
82 return GPRRegister(RegNum - Reg_GPR_First); 83 return GPRRegister(RegNum - Reg_GPR_First);
83 } 84 }
84 85
85 static inline XmmRegister getEncodedXmm(int32_t RegNum) { 86 static inline XmmRegister getEncodedXmm(int32_t RegNum) {
86 assert(Reg_XMM_First <= RegNum && RegNum <= Reg_XMM_Last); 87 assert(Reg_XMM_First <= RegNum);
88 assert(RegNum <= Reg_XMM_Last);
87 return XmmRegister(RegNum - Reg_XMM_First); 89 return XmmRegister(RegNum - Reg_XMM_First);
88 } 90 }
89 91
90 static inline ByteRegister getEncodedByteReg(int32_t RegNum) { 92 static inline ByteRegister getEncodedByteReg(int32_t RegNum) {
91 assert(RegNum == Reg_ah || (Reg_GPR_First <= RegNum && RegNum <= Reg_ebx)); 93 assert(Reg_GPR_First <= RegNum);
92 if (RegNum == Reg_ah) 94 assert(RegNum <= Reg_ebx);
93 return Encoded_Reg_ah;
94 return ByteRegister(RegNum - Reg_GPR_First); 95 return ByteRegister(RegNum - Reg_GPR_First);
95 } 96 }
96 97
97 static inline GPRRegister getEncodedByteRegOrGPR(Type Ty, int32_t RegNum) { 98 static inline GPRRegister getEncodedByteRegOrGPR(Type Ty, int32_t RegNum) {
98 if (isByteSizedType(Ty)) 99 if (isByteSizedType(Ty))
99 return GPRRegister(getEncodedByteReg(RegNum)); 100 return GPRRegister(getEncodedByteReg(RegNum));
100 else 101 else
101 return getEncodedGPR(RegNum); 102 return getEncodedGPR(RegNum);
102 } 103 }
103 104
104 static inline X87STRegister getEncodedSTReg(int32_t RegNum) { 105 static inline X87STRegister getEncodedSTReg(int32_t RegNum) {
105 assert(Encoded_X87ST_First <= RegNum && RegNum <= Encoded_X87ST_Last); 106 assert(Encoded_X87ST_First <= RegNum);
107 assert(RegNum <= Encoded_X87ST_Last);
106 return X87STRegister(RegNum); 108 return X87STRegister(RegNum);
107 } 109 }
108 }; 110 };
109 111
110 } // end of namespace Ice 112 } // end of namespace Ice
111 113
112 #endif // SUBZERO_SRC_ICEREGISTERSX8632_H 114 #endif // SUBZERO_SRC_ICEREGISTERSX8632_H
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