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Side by Side Diff: src/IceRegistersX8664.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/IceRegistersX8664.h - Register information ---*- C++ -*-===// 1 //===- subzero/src/IceRegistersX8664.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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62 /// An enum of Byte Registers. The enum value does match the encoding used 62 /// An enum of Byte Registers. The enum value does match the encoding used
63 /// to binary encode register operands in instructions. 63 /// to binary encode register operands in instructions.
64 enum ByteRegister { 64 enum ByteRegister {
65 #define X(val, encode) Encoded_##val encode, 65 #define X(val, encode) Encoded_##val encode,
66 REGX8664_BYTEREG_TABLE 66 REGX8664_BYTEREG_TABLE
67 #undef X 67 #undef X
68 Encoded_Not_ByteReg = -1 68 Encoded_Not_ByteReg = -1
69 }; 69 };
70 70
71 static inline GPRRegister getEncodedGPR(int32_t RegNum) { 71 static inline GPRRegister getEncodedGPR(int32_t RegNum) {
72 assert(Reg_GPR_First <= RegNum && RegNum <= Reg_GPR_Last); 72 assert(Reg_GPR_First <= RegNum);
73 assert(RegNum <= Reg_GPR_Last);
73 return GPRRegister(RegNum - Reg_GPR_First); 74 return GPRRegister(RegNum - Reg_GPR_First);
74 } 75 }
75 76
76 static inline XmmRegister getEncodedXmm(int32_t RegNum) { 77 static inline XmmRegister getEncodedXmm(int32_t RegNum) {
77 assert(Reg_XMM_First <= RegNum && RegNum <= Reg_XMM_Last); 78 assert(Reg_XMM_First <= RegNum);
79 assert(RegNum <= Reg_XMM_Last);
78 return XmmRegister(RegNum - Reg_XMM_First); 80 return XmmRegister(RegNum - Reg_XMM_First);
79 } 81 }
80 82
81 static inline ByteRegister getEncodedByteReg(int32_t RegNum) { 83 static inline ByteRegister getEncodedByteReg(int32_t RegNum) {
84 assert(Reg_GPR_First <= RegNum);
85 assert(RegNum <= Reg_GPR_Last);
82 return ByteRegister(RegNum - Reg_GPR_First); 86 return ByteRegister(RegNum - Reg_GPR_First);
83 } 87 }
84 88
85 static inline GPRRegister getEncodedByteRegOrGPR(Type Ty, int32_t RegNum) { 89 static inline GPRRegister getEncodedByteRegOrGPR(Type Ty, int32_t RegNum) {
86 if (isByteSizedType(Ty)) 90 if (isByteSizedType(Ty))
87 return GPRRegister(getEncodedByteReg(RegNum)); 91 return GPRRegister(getEncodedByteReg(RegNum));
88 else 92 else
89 return getEncodedGPR(RegNum); 93 return getEncodedGPR(RegNum);
90 } 94 }
91 }; 95 };
92 96
93 } // end of namespace Ice 97 } // end of namespace Ice
94 98
95 #endif // SUBZERO_SRC_ICEREGISTERSX8664_H 99 #endif // SUBZERO_SRC_ICEREGISTERSX8664_H
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