1 //===-- X86InstrFMA3Info.cpp - X86 FMA3 Instruction Information -----------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains the implementation of the classes providing information 11 // about existing X86 FMA3 opcodes, classifying and grouping them. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #include "X86InstrFMA3Info.h" 16 #include "X86InstrInfo.h" 17 #include "llvm/Support/ManagedStatic.h" 18 #include "llvm/Support/Threading.h" 19 20 /// This flag is used in the method llvm::call_once() used below to make the 21 /// initialization of the map 'OpcodeToGroup' thread safe. 22 LLVM_DEFINE_ONCE_FLAG(InitGroupsOnceFlag); 23 24 static ManagedStatic<X86InstrFMA3Info> X86InstrFMA3InfoObj; 25 X86InstrFMA3Info *X86InstrFMA3Info::getX86InstrFMA3Info() { 26 return &*X86InstrFMA3InfoObj; 27 } 28 29 void X86InstrFMA3Info::initRMGroup(const uint16_t *RegOpcodes, 30 const uint16_t *MemOpcodes, unsigned Attr) { 31 // Create a new instance of this class that would hold a group of FMA opcodes. 32 X86InstrFMA3Group *G = new X86InstrFMA3Group(RegOpcodes, MemOpcodes, Attr); 33 34 // Add the references from indvidual opcodes to the group holding them. 35 assert((!OpcodeToGroup[RegOpcodes[0]] && !OpcodeToGroup[RegOpcodes[1]] && 36 !OpcodeToGroup[RegOpcodes[2]] && !OpcodeToGroup[MemOpcodes[0]] && 37 !OpcodeToGroup[MemOpcodes[1]] && !OpcodeToGroup[MemOpcodes[2]]) && 38 "Duplication or rewrite of elements in OpcodeToGroup."); 39 OpcodeToGroup[RegOpcodes[0]] = G; 40 OpcodeToGroup[RegOpcodes[1]] = G; 41 OpcodeToGroup[RegOpcodes[2]] = G; 42 OpcodeToGroup[MemOpcodes[0]] = G; 43 OpcodeToGroup[MemOpcodes[1]] = G; 44 OpcodeToGroup[MemOpcodes[2]] = G; 45 } 46 47 void X86InstrFMA3Info::initRGroup(const uint16_t *RegOpcodes, unsigned Attr) { 48 // Create a new instance of this class that would hold a group of FMA opcodes. 49 X86InstrFMA3Group *G = new X86InstrFMA3Group(RegOpcodes, nullptr, Attr); 50 51 // Add the references from indvidual opcodes to the group holding them. 52 assert((!OpcodeToGroup[RegOpcodes[0]] && !OpcodeToGroup[RegOpcodes[1]] && 53 !OpcodeToGroup[RegOpcodes[2]]) && 54 "Duplication or rewrite of elements in OpcodeToGroup."); 55 OpcodeToGroup[RegOpcodes[0]] = G; 56 OpcodeToGroup[RegOpcodes[1]] = G; 57 OpcodeToGroup[RegOpcodes[2]] = G; 58 } 59 60 void X86InstrFMA3Info::initMGroup(const uint16_t *MemOpcodes, unsigned Attr) { 61 // Create a new instance of this class that would hold a group of FMA opcodes. 62 X86InstrFMA3Group *G = new X86InstrFMA3Group(nullptr, MemOpcodes, Attr); 63 64 // Add the references from indvidual opcodes to the group holding them. 65 assert((!OpcodeToGroup[MemOpcodes[0]] && !OpcodeToGroup[MemOpcodes[1]] && 66 !OpcodeToGroup[MemOpcodes[2]]) && 67 "Duplication or rewrite of elements in OpcodeToGroup."); 68 OpcodeToGroup[MemOpcodes[0]] = G; 69 OpcodeToGroup[MemOpcodes[1]] = G; 70 OpcodeToGroup[MemOpcodes[2]] = G; 71 } 72 73 #define FMA3RM(R132, R213, R231, M132, M213, M231) \ 74 static const uint16_t Reg##R132[3] = {X86::R132, X86::R213, X86::R231}; \ 75 static const uint16_t Mem##R132[3] = {X86::M132, X86::M213, X86::M231}; \ 76 initRMGroup(Reg##R132, Mem##R132); 77 78 #define FMA3RMA(R132, R213, R231, M132, M213, M231, Attrs) \ 79 static const uint16_t Reg##R132[3] = {X86::R132, X86::R213, X86::R231}; \ 80 static const uint16_t Mem##R132[3] = {X86::M132, X86::M213, X86::M231}; \ 81 initRMGroup(Reg##R132, Mem##R132, (Attrs)); 82 83 #define FMA3R(R132, R213, R231) \ 84 static const uint16_t Reg##R132[3] = {X86::R132, X86::R213, X86::R231}; \ 85 initRGroup(Reg##R132); 86 87 #define FMA3RA(R132, R213, R231, Attrs) \ 88 static const uint16_t Reg##R132[3] = {X86::R132, X86::R213, X86::R231}; \ 89 initRGroup(Reg##R132, (Attrs)); 90 91 #define FMA3M(M132, M213, M231) \ 92 static const uint16_t Mem##M132[3] = {X86::M132, X86::M213, X86::M231}; \ 93 initMGroup(Mem##M132); 94 95 #define FMA3MA(M132, M213, M231, Attrs) \ 96 static const uint16_t Mem##M132[3] = {X86::M132, X86::M213, X86::M231}; \ 97 initMGroup(Mem##M132, (Attrs)); 98 99 #define FMA3_AVX2_VECTOR_GROUP(Name) \ 100 FMA3RM(Name##132PSr, Name##213PSr, Name##231PSr, \ 101 Name##132PSm, Name##213PSm, Name##231PSm); \ 102 FMA3RM(Name##132PDr, Name##213PDr, Name##231PDr, \ 103 Name##132PDm, Name##213PDm, Name##231PDm); \ 104 FMA3RM(Name##132PSYr, Name##213PSYr, Name##231PSYr, \ 105 Name##132PSYm, Name##213PSYm, Name##231PSYm); \ 106 FMA3RM(Name##132PDYr, Name##213PDYr, Name##231PDYr, \ 107 Name##132PDYm, Name##213PDYm, Name##231PDYm); 108 109 #define FMA3_AVX2_SCALAR_GROUP(Name) \ 110 FMA3RM(Name##132SSr, Name##213SSr, Name##231SSr, \ 111 Name##132SSm, Name##213SSm, Name##231SSm); \ 112 FMA3RM(Name##132SDr, Name##213SDr, Name##231SDr, \ 113 Name##132SDm, Name##213SDm, Name##231SDm); \ 114 FMA3RMA(Name##132SSr_Int, Name##213SSr_Int, Name##231SSr_Int, \ 115 Name##132SSm_Int, Name##213SSm_Int, Name##231SSm_Int, \ 116 X86InstrFMA3Group::X86FMA3Intrinsic); \ 117 FMA3RMA(Name##132SDr_Int, Name##213SDr_Int, Name##231SDr_Int, \ 118 Name##132SDm_Int, Name##213SDm_Int, Name##231SDm_Int, \ 119 X86InstrFMA3Group::X86FMA3Intrinsic); 120 121 #define FMA3_AVX2_FULL_GROUP(Name) \ 122 FMA3_AVX2_VECTOR_GROUP(Name); \ 123 FMA3_AVX2_SCALAR_GROUP(Name); 124 125 #define FMA3_AVX512_VECTOR_GROUP(Name) \ 126 FMA3RM(Name##132PSZ128r, Name##213PSZ128r, Name##231PSZ128r, \ 127 Name##132PSZ128m, Name##213PSZ128m, Name##231PSZ128m); \ 128 FMA3RM(Name##132PDZ128r, Name##213PDZ128r, Name##231PDZ128r, \ 129 Name##132PDZ128m, Name##213PDZ128m, Name##231PDZ128m); \ 130 FMA3RM(Name##132PSZ256r, Name##213PSZ256r, Name##231PSZ256r, \ 131 Name##132PSZ256m, Name##213PSZ256m, Name##231PSZ256m); \ 132 FMA3RM(Name##132PDZ256r, Name##213PDZ256r, Name##231PDZ256r, \ 133 Name##132PDZ256m, Name##213PDZ256m, Name##231PDZ256m); \ 134 FMA3RM(Name##132PSZr, Name##213PSZr, Name##231PSZr, \ 135 Name##132PSZm, Name##213PSZm, Name##231PSZm); \ 136 FMA3RM(Name##132PDZr, Name##213PDZr, Name##231PDZr, \ 137 Name##132PDZm, Name##213PDZm, Name##231PDZm); \ 138 FMA3RMA(Name##132PSZ128rk, Name##213PSZ128rk, Name##231PSZ128rk, \ 139 Name##132PSZ128mk, Name##213PSZ128mk, Name##231PSZ128mk, \ 140 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 141 FMA3RMA(Name##132PDZ128rk, Name##213PDZ128rk, Name##231PDZ128rk, \ 142 Name##132PDZ128mk, Name##213PDZ128mk, Name##231PDZ128mk, \ 143 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 144 FMA3RMA(Name##132PSZ256rk, Name##213PSZ256rk, Name##231PSZ256rk, \ 145 Name##132PSZ256mk, Name##213PSZ256mk, Name##231PSZ256mk, \ 146 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 147 FMA3RMA(Name##132PDZ256rk, Name##213PDZ256rk, Name##231PDZ256rk, \ 148 Name##132PDZ256mk, Name##213PDZ256mk, Name##231PDZ256mk, \ 149 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 150 FMA3RMA(Name##132PSZrk, Name##213PSZrk, Name##231PSZrk, \ 151 Name##132PSZmk, Name##213PSZmk, Name##231PSZmk, \ 152 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 153 FMA3RMA(Name##132PDZrk, Name##213PDZrk, Name##231PDZrk, \ 154 Name##132PDZmk, Name##213PDZmk, Name##231PDZmk, \ 155 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 156 FMA3RMA(Name##132PSZ128rkz, Name##213PSZ128rkz, Name##231PSZ128rkz, \ 157 Name##132PSZ128mkz, Name##213PSZ128mkz, Name##231PSZ128mkz, \ 158 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 159 FMA3RMA(Name##132PDZ128rkz, Name##213PDZ128rkz, Name##231PDZ128rkz, \ 160 Name##132PDZ128mkz, Name##213PDZ128mkz, Name##231PDZ128mkz, \ 161 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 162 FMA3RMA(Name##132PSZ256rkz, Name##213PSZ256rkz, Name##231PSZ256rkz, \ 163 Name##132PSZ256mkz, Name##213PSZ256mkz, Name##231PSZ256mkz, \ 164 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 165 FMA3RMA(Name##132PDZ256rkz, Name##213PDZ256rkz, Name##231PDZ256rkz, \ 166 Name##132PDZ256mkz, Name##213PDZ256mkz, Name##231PDZ256mkz, \ 167 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 168 FMA3RMA(Name##132PSZrkz, Name##213PSZrkz, Name##231PSZrkz, \ 169 Name##132PSZmkz, Name##213PSZmkz, Name##231PSZmkz, \ 170 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 171 FMA3RMA(Name##132PDZrkz, Name##213PDZrkz, Name##231PDZrkz, \ 172 Name##132PDZmkz, Name##213PDZmkz, Name##231PDZmkz, \ 173 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 174 FMA3R(Name##132PSZrb, Name##213PSZrb, Name##231PSZrb); \ 175 FMA3R(Name##132PDZrb, Name##213PDZrb, Name##231PDZrb); \ 176 FMA3RA(Name##132PSZrbk, Name##213PSZrbk, Name##231PSZrbk, \ 177 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 178 FMA3RA(Name##132PDZrbk, Name##213PDZrbk, Name##231PDZrbk, \ 179 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 180 FMA3RA(Name##132PSZrbkz, Name##213PSZrbkz, Name##231PSZrbkz, \ 181 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 182 FMA3RA(Name##132PDZrbkz, Name##213PDZrbkz, Name##231PDZrbkz, \ 183 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 184 FMA3M(Name##132PSZ128mb, Name##213PSZ128mb, Name##231PSZ128mb); \ 185 FMA3M(Name##132PDZ128mb, Name##213PDZ128mb, Name##231PDZ128mb); \ 186 FMA3M(Name##132PSZ256mb, Name##213PSZ256mb, Name##231PSZ256mb); \ 187 FMA3M(Name##132PDZ256mb, Name##213PDZ256mb, Name##231PDZ256mb); \ 188 FMA3M(Name##132PSZmb, Name##213PSZmb, Name##231PSZmb); \ 189 FMA3M(Name##132PDZmb, Name##213PDZmb, Name##231PDZmb); \ 190 FMA3MA(Name##132PSZ128mbk, Name##213PSZ128mbk, Name##231PSZ128mbk, \ 191 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 192 FMA3MA(Name##132PDZ128mbk, Name##213PDZ128mbk, Name##231PDZ128mbk, \ 193 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 194 FMA3MA(Name##132PSZ256mbk, Name##213PSZ256mbk, Name##231PSZ256mbk, \ 195 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 196 FMA3MA(Name##132PDZ256mbk, Name##213PDZ256mbk, Name##231PDZ256mbk, \ 197 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 198 FMA3MA(Name##132PSZmbk, Name##213PSZmbk, Name##231PSZmbk, \ 199 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 200 FMA3MA(Name##132PDZmbk, Name##213PDZmbk, Name##231PDZmbk, \ 201 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 202 FMA3MA(Name##132PSZ128mbkz, Name##213PSZ128mbkz, Name##231PSZ128mbkz, \ 203 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 204 FMA3MA(Name##132PDZ128mbkz, Name##213PDZ128mbkz, Name##231PDZ128mbkz, \ 205 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 206 FMA3MA(Name##132PSZ256mbkz, Name##213PSZ256mbkz, Name##231PSZ256mbkz, \ 207 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 208 FMA3MA(Name##132PDZ256mbkz, Name##213PDZ256mbkz, Name##231PDZ256mbkz, \ 209 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 210 FMA3MA(Name##132PSZmbkz, Name##213PSZmbkz, Name##231PSZmbkz, \ 211 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 212 FMA3MA(Name##132PDZmbkz, Name##213PDZmbkz, Name##231PDZmbkz, \ 213 X86InstrFMA3Group::X86FMA3KZeroMasked); 214 215 #define FMA3_AVX512_SCALAR_GROUP(Name) \ 216 FMA3RM(Name##132SSZr, Name##213SSZr, Name##231SSZr, \ 217 Name##132SSZm, Name##213SSZm, Name##231SSZm); \ 218 FMA3RM(Name##132SDZr, Name##213SDZr, Name##231SDZr, \ 219 Name##132SDZm, Name##213SDZm, Name##231SDZm); \ 220 FMA3RMA(Name##132SSZr_Int, Name##213SSZr_Int, Name##231SSZr_Int, \ 221 Name##132SSZm_Int, Name##213SSZm_Int, Name##231SSZm_Int, \ 222 X86InstrFMA3Group::X86FMA3Intrinsic); \ 223 FMA3RMA(Name##132SDZr_Int, Name##213SDZr_Int, Name##231SDZr_Int, \ 224 Name##132SDZm_Int, Name##213SDZm_Int, Name##231SDZm_Int, \ 225 X86InstrFMA3Group::X86FMA3Intrinsic); \ 226 FMA3RMA(Name##132SSZr_Intk, Name##213SSZr_Intk, Name##231SSZr_Intk, \ 227 Name##132SSZm_Intk, Name##213SSZm_Intk, Name##231SSZm_Intk, \ 228 X86InstrFMA3Group::X86FMA3Intrinsic | \ 229 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 230 FMA3RMA(Name##132SDZr_Intk, Name##213SDZr_Intk, Name##231SDZr_Intk, \ 231 Name##132SDZm_Intk, Name##213SDZm_Intk, Name##231SDZm_Intk, \ 232 X86InstrFMA3Group::X86FMA3Intrinsic | \ 233 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 234 FMA3RMA(Name##132SSZr_Intkz, Name##213SSZr_Intkz, Name##231SSZr_Intkz, \ 235 Name##132SSZm_Intkz, Name##213SSZm_Intkz, Name##231SSZm_Intkz, \ 236 X86InstrFMA3Group::X86FMA3Intrinsic | \ 237 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 238 FMA3RMA(Name##132SDZr_Intkz, Name##213SDZr_Intkz, Name##231SDZr_Intkz, \ 239 Name##132SDZm_Intkz, Name##213SDZm_Intkz, Name##231SDZm_Intkz, \ 240 X86InstrFMA3Group::X86FMA3Intrinsic | \ 241 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 242 FMA3RA(Name##132SSZrb_Int, Name##213SSZrb_Int, Name##231SSZrb_Int, \ 243 X86InstrFMA3Group::X86FMA3Intrinsic); \ 244 FMA3RA(Name##132SDZrb_Int, Name##213SDZrb_Int, Name##231SDZrb_Int, \ 245 X86InstrFMA3Group::X86FMA3Intrinsic); \ 246 FMA3RA(Name##132SSZrb_Intk, Name##213SSZrb_Intk, Name##231SSZrb_Intk, \ 247 X86InstrFMA3Group::X86FMA3Intrinsic | \ 248 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 249 FMA3RA(Name##132SDZrb_Intk, Name##213SDZrb_Intk, Name##231SDZrb_Intk, \ 250 X86InstrFMA3Group::X86FMA3Intrinsic | \ 251 X86InstrFMA3Group::X86FMA3KMergeMasked); \ 252 FMA3RA(Name##132SSZrb_Intkz, Name##213SSZrb_Intkz, Name##231SSZrb_Intkz, \ 253 X86InstrFMA3Group::X86FMA3Intrinsic | \ 254 X86InstrFMA3Group::X86FMA3KZeroMasked); \ 255 FMA3RA(Name##132SDZrb_Intkz, Name##213SDZrb_Intkz, Name##231SDZrb_Intkz, \ 256 X86InstrFMA3Group::X86FMA3Intrinsic | \ 257 X86InstrFMA3Group::X86FMA3KZeroMasked); 258 259 #define FMA3_AVX512_FULL_GROUP(Name) \ 260 FMA3_AVX512_VECTOR_GROUP(Name); \ 261 FMA3_AVX512_SCALAR_GROUP(Name); 262 263 void X86InstrFMA3Info::initGroupsOnceImpl() { 264 FMA3_AVX2_FULL_GROUP(VFMADD); 265 FMA3_AVX2_FULL_GROUP(VFMSUB); 266 FMA3_AVX2_FULL_GROUP(VFNMADD); 267 FMA3_AVX2_FULL_GROUP(VFNMSUB); 268 269 FMA3_AVX2_VECTOR_GROUP(VFMADDSUB); 270 FMA3_AVX2_VECTOR_GROUP(VFMSUBADD); 271 272 FMA3_AVX512_FULL_GROUP(VFMADD); 273 FMA3_AVX512_FULL_GROUP(VFMSUB); 274 FMA3_AVX512_FULL_GROUP(VFNMADD); 275 FMA3_AVX512_FULL_GROUP(VFNMSUB); 276 277 FMA3_AVX512_VECTOR_GROUP(VFMADDSUB); 278 FMA3_AVX512_VECTOR_GROUP(VFMSUBADD); 279 } 280 281 void X86InstrFMA3Info::initGroupsOnce() { 282 llvm::call_once(InitGroupsOnceFlag, 283 []() { getX86InstrFMA3Info()->initGroupsOnceImpl(); }); 284 } 285