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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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