1 //===- subzero/src/IceRegistersX8632.h - Register information ---*- C++ -*-===// 2 // 3 // The Subzero Code Generator 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// 10 /// \file 11 /// \brief Declares the registers and their encodings for x86-32. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #ifndef SUBZERO_SRC_ICEREGISTERSX8632_H 16 #define SUBZERO_SRC_ICEREGISTERSX8632_H 17 18 #include "IceDefs.h" 19 #include "IceInstX8632.def" 20 #include "IceTypes.h" 21 22 namespace Ice { 23 24 class RegX8632 { 25 public: 26 /// An enum of every register. The enum value may not match the encoding used 27 /// to binary encode register operands in instructions. 28 enum AllRegisters { 29 #define X(val, encode, name, base, scratch, preserved, stackptr, frameptr, \ 30 isGPR, is64, is32, is16, is8, isXmm, is64To8, is32To8, is16To8, \ 31 isTrunc8Rcvr, isAhRcvr, aliases) \ 32 val, 33 REGX8632_TABLE 34 #undef X 35 Reg_NUM 36 }; 37 38 /// An enum of GPR Registers. The enum value does match the encoding used to 39 /// binary encode register operands in instructions. 40 enum GPRRegister { 41 #define X(val, encode, name, base, scratch, preserved, stackptr, frameptr, \ 42 isGPR, is64, is32, is16, is8, isXmm, is64To8, is32To8, is16To8, \ 43 isTrunc8Rcvr, isAhRcvr, aliases) \ 44 Encoded_##val = encode, 45 REGX8632_GPR_TABLE 46 #undef X 47 Encoded_Not_GPR = -1 48 }; 49 50 /// An enum of XMM Registers. The enum value does match the encoding used to 51 /// binary encode register operands in instructions. 52 enum XmmRegister { 53 #define X(val, encode, name, base, scratch, preserved, stackptr, frameptr, \ 54 isGPR, is64, is32, is16, is8, isXmm, is64To8, is32To8, is16To8, \ 55 isTrunc8Rcvr, isAhRcvr, aliases) \ 56 Encoded_##val = encode, 57 REGX8632_XMM_TABLE 58 #undef X 59 Encoded_Not_Xmm = -1 60 }; 61 62 /// An enum of Byte Registers. The enum value does match the encoding used to 63 /// binary encode register operands in instructions. 64 enum ByteRegister { 65 #define X(val, encode, name, base, scratch, preserved, stackptr, frameptr, \ 66 isGPR, is64, is32, is16, is8, isXmm, is64To8, is32To8, is16To8, \ 67 isTrunc8Rcvr, isAhRcvr, aliases) \ 68 Encoded_8_##val = encode, 69 REGX8632_BYTEREG_TABLE 70 #undef X 71 Encoded_Not_ByteReg = -1 72 }; 73 74 /// An enum of X87 Stack Registers. The enum value does match the encoding 75 /// used to binary encode register operands in instructions. 76 enum X87STRegister { 77 #define X(val, encode, name) Encoded_##val = encode, 78 X87ST_REGX8632_TABLE 79 #undef X 80 Encoded_Not_X87STReg = -1 81 }; 82 getEncodedSTReg(uint32_t X87RegNum)83 static inline X87STRegister getEncodedSTReg(uint32_t X87RegNum) { 84 assert(int(Encoded_X87ST_First) <= int(X87RegNum)); 85 assert(X87RegNum <= Encoded_X87ST_Last); 86 return X87STRegister(X87RegNum); 87 } 88 }; 89 90 } // end of namespace Ice 91 92 #endif // SUBZERO_SRC_ICEREGISTERSX8632_H 93