1 /* 2 * Copyright (C) 2012-2019 Free Software Foundation, Inc. 3 * 4 * This file is part of GNU lightning. 5 * 6 * GNU lightning is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU Lesser General Public License as published 8 * by the Free Software Foundation; either version 3, or (at your option) 9 * any later version. 10 * 11 * GNU lightning is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 14 * License for more details. 15 * 16 * Authors: 17 * Paulo Cesar Pereira de Andrade 18 */ 19 20 #ifndef _jit_x86_h 21 #define _jit_x86_h 22 23 #define JIT_HASH_CONSTS 1 24 #define JIT_NUM_OPERANDS 2 25 26 /* 27 * Types 28 */ 29 #define jit_sse2_p() jit_cpu.sse2 30 #define jit_x87_reg_p(reg) ((reg) >= _ST0 && (reg) <= _ST6) 31 #if __WORDSIZE == 32 32 # if defined(__x86_64__) 33 # define __X64_32 1 34 # define __X64 1 35 # else 36 # define __X32 1 37 # endif 38 #else 39 # define __X64 1 40 #endif 41 42 #define JIT_FP _RBP 43 typedef enum { 44 #if __X32 45 # define jit_r(i) (_RAX + (i)) 46 # define jit_r_num() 3 47 # define jit_v(i) (_RBX + (i)) 48 # define jit_v_num() 3 49 # define jit_f(i) (jit_cpu.sse2 ? _XMM0 + (i) : _ST0 + (i)) 50 # define jit_f_num() (jit_cpu.sse2 ? 8 : 6) 51 # define JIT_R0 _RAX 52 # define JIT_R1 _RCX 53 # define JIT_R2 _RDX 54 _RAX, _RCX, _RDX, 55 # define JIT_V0 _RBX 56 # define JIT_V1 _RSI 57 # define JIT_V2 _RDI 58 _RBX, _RSI, _RDI, 59 _RSP, _RBP, 60 # define JIT_F0 (jit_sse2_p() ? _XMM0 : _ST0) 61 # define JIT_F1 (jit_sse2_p() ? _XMM1 : _ST1) 62 # define JIT_F2 (jit_sse2_p() ? _XMM2 : _ST2) 63 # define JIT_F3 (jit_sse2_p() ? _XMM3 : _ST3) 64 # define JIT_F4 (jit_sse2_p() ? _XMM4 : _ST4) 65 # define JIT_F5 (jit_sse2_p() ? _XMM5 : _ST5) 66 # define JIT_F6 (jit_sse2_p() ? _XMM6 : _ST6) 67 _XMM0, _XMM1, _XMM2, _XMM3, _XMM4, _XMM5, _XMM6, _XMM7, 68 # define jit_sse_reg_p(reg) ((reg) >= _XMM0 && (reg) <= _XMM7) 69 #else 70 # if __CYGWIN__ || _WIN32 71 # define jit_r(i) (_RAX + (i)) 72 # define jit_r_num() 3 73 # define jit_v(i) (_RBX + (i)) 74 # define jit_v_num() 7 75 # define jit_f(index) (_XMM4 + (index)) 76 # define jit_f_num() 12 77 # define JIT_R0 _RAX 78 # define JIT_R1 _R10 79 # define JIT_R2 _R11 80 # define JIT_V0 _RBX 81 # define JIT_V1 _RDI 82 # define JIT_V2 _RSI 83 # define JIT_V3 _R12 84 # define JIT_V4 _R13 85 # define JIT_V5 _R14 86 # define JIT_V6 _R15 87 /* Volatile - Return value register */ 88 _RAX, 89 /* Volatile */ 90 _R10, _R11, 91 /* Nonvolatile */ 92 _RBX, _RDI, _RSI, 93 _R12, _R13, _R14, _R15, 94 /* Volatile - Integer arguments (4 to 1) */ 95 _R9, _R8, _RDX, _RCX, 96 /* Nonvolatile */ 97 _RSP, _RBP, 98 # define JIT_F0 _XMM4 99 # define JIT_F1 _XMM5 100 # define JIT_F2 _XMM6 101 # define JIT_F3 _XMM7 102 # define JIT_F4 _XMM8 103 # define JIT_F5 _XMM9 104 # define JIT_F6 _XMM10 105 # define JIT_F7 _XMM11 106 # define JIT_F8 _XMM12 107 # define JIT_F9 _XMM13 108 # define JIT_F10 _XMM14 109 # define JIT_F11 _XMM15 110 /* Volatile */ 111 _XMM4, _XMM5, 112 /* Nonvolatile */ 113 _XMM6, _XMM7, _XMM8, _XMM9, _XMM10, 114 _XMM11, _XMM12, _XMM13, _XMM14, _XMM15, 115 /* Volatile - FP arguments (4 to 1) */ 116 _XMM3, _XMM2, _XMM1, _XMM0, 117 # define jit_sse_reg_p(reg) ((reg) >= _XMM4 && (reg) <= _XMM0) 118 # else 119 # define jit_r(i) (_RAX + (i)) 120 # define jit_r_num() 3 121 # define jit_v(i) (_RBX + (i)) 122 # define jit_v_num() 5 123 # define jit_f(index) (_XMM8 + (index)) 124 # define jit_f_num() 8 125 # define JIT_R0 _RAX 126 # define JIT_R1 _R10 127 # define JIT_R2 _R11 128 _RAX, _R10, _R11, 129 # define JIT_V0 _RBX 130 # define JIT_V1 _R13 131 # define JIT_V2 _R14 132 # define JIT_V3 _R15 133 # define JIT_V4 _R12 134 _RBX, _R13, _R14, _R15, _R12, 135 _R9, _R8, _RCX, _RDX, _RSI, _RDI, 136 _RSP, _RBP, 137 # define JIT_F0 _XMM8 138 # define JIT_F1 _XMM9 139 # define JIT_F2 _XMM10 140 # define JIT_F3 _XMM11 141 # define JIT_F4 _XMM12 142 # define JIT_F5 _XMM13 143 # define JIT_F6 _XMM14 144 # define JIT_F7 _XMM15 145 _XMM8, _XMM9, _XMM10, _XMM11, _XMM12, _XMM13, _XMM14, _XMM15, 146 _XMM7, _XMM6, _XMM5, _XMM4, _XMM3, _XMM2, _XMM1, _XMM0, 147 # define jit_sse_reg_p(reg) ((reg) >= _XMM8 && (reg) <= _XMM0) 148 # endif 149 #endif 150 _ST0, _ST1, _ST2, _ST3, _ST4, _ST5, _ST6, 151 # define JIT_NOREG _NOREG 152 _NOREG, 153 } jit_reg_t; 154 155 typedef struct { 156 /* x87 present */ 157 jit_uint32_t fpu : 1; 158 /* cmpxchg8b instruction */ 159 jit_uint32_t cmpxchg8b : 1; 160 /* cmov and fcmov branchless conditional mov */ 161 jit_uint32_t cmov : 1; 162 /* mmx registers/instructions available */ 163 jit_uint32_t mmx : 1; 164 /* sse registers/instructions available */ 165 jit_uint32_t sse : 1; 166 /* sse2 registers/instructions available */ 167 jit_uint32_t sse2 : 1; 168 /* sse3 instructions available */ 169 jit_uint32_t sse3 : 1; 170 /* pcmulqdq instruction */ 171 jit_uint32_t pclmulqdq : 1; 172 /* ssse3 suplemental sse3 instructions available */ 173 jit_uint32_t ssse3 : 1; 174 /* fused multiply/add using ymm state */ 175 jit_uint32_t fma : 1; 176 /* cmpxchg16b instruction */ 177 jit_uint32_t cmpxchg16b : 1; 178 /* sse4.1 instructions available */ 179 jit_uint32_t sse4_1 : 1; 180 /* sse4.2 instructions available */ 181 jit_uint32_t sse4_2 : 1; 182 /* movbe instruction available */ 183 jit_uint32_t movbe : 1; 184 /* popcnt instruction available */ 185 jit_uint32_t popcnt : 1; 186 /* aes instructions available */ 187 jit_uint32_t aes : 1; 188 /* avx instructions available */ 189 jit_uint32_t avx : 1; 190 /* lahf/sahf available in 64 bits mode */ 191 jit_uint32_t lahf : 1; 192 } jit_cpu_t; 193 194 /* 195 * Initialization 196 */ 197 extern jit_cpu_t jit_cpu; 198 199 #endif /* _jit_x86_h */ 200