MipsInstrFPU.td revision a66aacf6d7e57b21dcd9e866d28749567cfba74b
1//===-- MipsInstrFPU.td - Mips FPU Instruction Information -*- tablegen -*-===// 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 describes the Mips FPU instruction set. 11// 12//===----------------------------------------------------------------------===// 13 14//===----------------------------------------------------------------------===// 15// Floating Point Instructions 16// ------------------------ 17// * 64bit fp: 18// - 32 64-bit registers (default mode) 19// - 16 even 32-bit registers (32-bit compatible mode) for 20// single and double access. 21// * 32bit fp: 22// - 16 even 32-bit registers - single and double (aliased) 23// - 32 32-bit registers (within single-only mode) 24//===----------------------------------------------------------------------===// 25 26// Floating Point Compare and Branch 27def SDT_MipsFPBrcond : SDTypeProfile<0, 2, [SDTCisInt<0>, 28 SDTCisVT<1, OtherVT>]>; 29def SDT_MipsFPCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>, SDTCisFP<1>, 30 SDTCisVT<2, i32>]>; 31def SDT_MipsCMovFP : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>, 32 SDTCisSameAs<1, 2>]>; 33def SDT_MipsTruncIntFP : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>; 34def SDT_MipsBuildPairF64 : SDTypeProfile<1, 2, [SDTCisVT<0, f64>, 35 SDTCisVT<1, i32>, 36 SDTCisSameAs<1, 2>]>; 37def SDT_MipsExtractElementF64 : SDTypeProfile<1, 2, [SDTCisVT<0, i32>, 38 SDTCisVT<1, f64>, 39 SDTCisVT<2, i32>]>; 40 41def MipsFPCmp : SDNode<"MipsISD::FPCmp", SDT_MipsFPCmp, [SDNPOutGlue]>; 42def MipsCMovFP_T : SDNode<"MipsISD::CMovFP_T", SDT_MipsCMovFP, [SDNPInGlue]>; 43def MipsCMovFP_F : SDNode<"MipsISD::CMovFP_F", SDT_MipsCMovFP, [SDNPInGlue]>; 44def MipsFPBrcond : SDNode<"MipsISD::FPBrcond", SDT_MipsFPBrcond, 45 [SDNPHasChain, SDNPOptInGlue]>; 46def MipsTruncIntFP : SDNode<"MipsISD::TruncIntFP", SDT_MipsTruncIntFP>; 47def MipsBuildPairF64 : SDNode<"MipsISD::BuildPairF64", SDT_MipsBuildPairF64>; 48def MipsExtractElementF64 : SDNode<"MipsISD::ExtractElementF64", 49 SDT_MipsExtractElementF64>; 50 51// Operand for printing out a condition code. 52let PrintMethod = "printFCCOperand", DecoderMethod = "DecodeCondCode" in 53 def condcode : Operand<i32>; 54 55//===----------------------------------------------------------------------===// 56// Feature predicates. 57//===----------------------------------------------------------------------===// 58 59def IsFP64bit : Predicate<"Subtarget.isFP64bit()">, 60 AssemblerPredicate<"FeatureFP64Bit">; 61def NotFP64bit : Predicate<"!Subtarget.isFP64bit()">, 62 AssemblerPredicate<"!FeatureFP64Bit">; 63def IsSingleFloat : Predicate<"Subtarget.isSingleFloat()">, 64 AssemblerPredicate<"FeatureSingleFloat">; 65def IsNotSingleFloat : Predicate<"!Subtarget.isSingleFloat()">, 66 AssemblerPredicate<"!FeatureSingleFloat">; 67 68// FP immediate patterns. 69def fpimm0 : PatLeaf<(fpimm), [{ 70 return N->isExactlyValue(+0.0); 71}]>; 72 73def fpimm0neg : PatLeaf<(fpimm), [{ 74 return N->isExactlyValue(-0.0); 75}]>; 76 77//===----------------------------------------------------------------------===// 78// Instruction Class Templates 79// 80// A set of multiclasses is used to address the register usage. 81// 82// S32 - single precision in 16 32bit even fp registers 83// single precision in 32 32bit fp registers in SingleOnly mode 84// S64 - single precision in 32 64bit fp registers (In64BitMode) 85// D32 - double precision in 16 32bit even fp registers 86// D64 - double precision in 32 64bit fp registers (In64BitMode) 87// 88// Only S32 and D32 are supported right now. 89//===----------------------------------------------------------------------===// 90 91class ADDS_FT<string opstr, RegisterClass RC, InstrItinClass Itin, bit IsComm, 92 SDPatternOperator OpNode= null_frag> : 93 InstSE<(outs RC:$fd), (ins RC:$fs, RC:$ft), 94 !strconcat(opstr, "\t$fd, $fs, $ft"), 95 [(set RC:$fd, (OpNode RC:$fs, RC:$ft))], Itin, FrmFR> { 96 let isCommutable = IsComm; 97} 98 99multiclass ADDS_M<string opstr, InstrItinClass Itin, bit IsComm, 100 SDPatternOperator OpNode = null_frag> { 101 def _D32 : ADDS_FT<opstr, AFGR64, Itin, IsComm, OpNode>, 102 Requires<[NotFP64bit, HasStdEnc]>; 103 def _D64 : ADDS_FT<opstr, FGR64, Itin, IsComm, OpNode>, 104 Requires<[IsFP64bit, HasStdEnc]> { 105 string DecoderNamespace = "Mips64"; 106 } 107} 108 109class ABSS_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC, 110 InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : 111 InstSE<(outs DstRC:$fd), (ins SrcRC:$fs), !strconcat(opstr, "\t$fd, $fs"), 112 [(set DstRC:$fd, (OpNode SrcRC:$fs))], Itin, FrmFR>, 113 NeverHasSideEffects; 114 115multiclass ABSS_M<string opstr, InstrItinClass Itin, 116 SDPatternOperator OpNode= null_frag> { 117 def _D32 : ABSS_FT<opstr, AFGR64, AFGR64, Itin, OpNode>, 118 Requires<[NotFP64bit, HasStdEnc]>; 119 def _D64 : ABSS_FT<opstr, FGR64, FGR64, Itin, OpNode>, 120 Requires<[IsFP64bit, HasStdEnc]> { 121 string DecoderNamespace = "Mips64"; 122 } 123} 124 125multiclass ROUND_M<string opstr, InstrItinClass Itin> { 126 def _D32 : ABSS_FT<opstr, FGR32, AFGR64, Itin>, 127 Requires<[NotFP64bit, HasStdEnc]>; 128 def _D64 : ABSS_FT<opstr, FGR32, FGR64, Itin>, 129 Requires<[IsFP64bit, HasStdEnc]> { 130 let DecoderNamespace = "Mips64"; 131 } 132} 133 134class MFC1_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC, 135 InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : 136 InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"), 137 [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR>; 138 139class MTC1_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC, 140 InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : 141 InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"), 142 [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR>; 143 144class MFC1_FT_CCR<string opstr, RegisterClass DstRC, RegisterOperand SrcRC, 145 InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : 146 InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"), 147 [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR>; 148 149class MTC1_FT_CCR<string opstr, RegisterOperand DstRC, RegisterClass SrcRC, 150 InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : 151 InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"), 152 [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR>; 153 154class LW_FT<string opstr, RegisterOperand RC, InstrItinClass Itin, 155 Operand MemOpnd, SDPatternOperator OpNode= null_frag> : 156 InstSE<(outs RC:$rt), (ins MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"), 157 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI> { 158 let DecoderMethod = "DecodeFMem"; 159 let mayLoad = 1; 160} 161 162class SW_FT<string opstr, RegisterOperand RC, InstrItinClass Itin, 163 Operand MemOpnd, SDPatternOperator OpNode= null_frag> : 164 InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"), 165 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI> { 166 let DecoderMethod = "DecodeFMem"; 167 let mayStore = 1; 168} 169 170class MADDS_FT<string opstr, RegisterClass RC, InstrItinClass Itin, 171 SDPatternOperator OpNode = null_frag> : 172 InstSE<(outs RC:$fd), (ins RC:$fr, RC:$fs, RC:$ft), 173 !strconcat(opstr, "\t$fd, $fr, $fs, $ft"), 174 [(set RC:$fd, (OpNode (fmul RC:$fs, RC:$ft), RC:$fr))], Itin, FrmFR>; 175 176class NMADDS_FT<string opstr, RegisterClass RC, InstrItinClass Itin, 177 SDPatternOperator OpNode = null_frag> : 178 InstSE<(outs RC:$fd), (ins RC:$fr, RC:$fs, RC:$ft), 179 !strconcat(opstr, "\t$fd, $fr, $fs, $ft"), 180 [(set RC:$fd, (fsub fpimm0, (OpNode (fmul RC:$fs, RC:$ft), RC:$fr)))], 181 Itin, FrmFR>; 182 183class LWXC1_FT<string opstr, RegisterOperand DRC, RegisterOperand PRC, 184 InstrItinClass Itin, SDPatternOperator OpNode = null_frag> : 185 InstSE<(outs DRC:$fd), (ins PRC:$base, PRC:$index), 186 !strconcat(opstr, "\t$fd, ${index}(${base})"), 187 [(set DRC:$fd, (OpNode (add PRC:$base, PRC:$index)))], Itin, FrmFI> { 188 let AddedComplexity = 20; 189} 190 191class SWXC1_FT<string opstr, RegisterOperand DRC, RegisterOperand PRC, 192 InstrItinClass Itin, SDPatternOperator OpNode = null_frag> : 193 InstSE<(outs), (ins DRC:$fs, PRC:$base, PRC:$index), 194 !strconcat(opstr, "\t$fs, ${index}(${base})"), 195 [(OpNode DRC:$fs, (add PRC:$base, PRC:$index))], Itin, FrmFI> { 196 let AddedComplexity = 20; 197} 198 199class BC1F_FT<string opstr, InstrItinClass Itin, 200 SDPatternOperator Op = null_frag> : 201 InstSE<(outs), (ins brtarget:$offset), !strconcat(opstr, "\t$offset"), 202 [(MipsFPBrcond Op, bb:$offset)], Itin, FrmFI> { 203 let isBranch = 1; 204 let isTerminator = 1; 205 let hasDelaySlot = 1; 206 let Defs = [AT]; 207 let Uses = [FCR31]; 208} 209 210class CEQS_FT<string typestr, RegisterClass RC, InstrItinClass Itin, 211 SDPatternOperator OpNode = null_frag> : 212 InstSE<(outs), (ins RC:$fs, RC:$ft, condcode:$cond), 213 !strconcat("c.$cond.", typestr, "\t$fs, $ft"), 214 [(OpNode RC:$fs, RC:$ft, imm:$cond)], Itin, FrmFR> { 215 let Defs = [FCR31]; 216} 217 218//===----------------------------------------------------------------------===// 219// Floating Point Instructions 220//===----------------------------------------------------------------------===// 221def ROUND_W_S : ABSS_FT<"round.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0xc, 16>; 222def TRUNC_W_S : ABSS_FT<"trunc.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0xd, 16>; 223def CEIL_W_S : ABSS_FT<"ceil.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0xe, 16>; 224def FLOOR_W_S : ABSS_FT<"floor.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0xf, 16>; 225def CVT_W_S : ABSS_FT<"cvt.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0x24, 16>; 226 227defm ROUND_W : ROUND_M<"round.w.d", IIFcvt>, ABSS_FM<0xc, 17>; 228defm TRUNC_W : ROUND_M<"trunc.w.d", IIFcvt>, ABSS_FM<0xd, 17>; 229defm CEIL_W : ROUND_M<"ceil.w.d", IIFcvt>, ABSS_FM<0xe, 17>; 230defm FLOOR_W : ROUND_M<"floor.w.d", IIFcvt>, ABSS_FM<0xf, 17>; 231defm CVT_W : ROUND_M<"cvt.w.d", IIFcvt>, ABSS_FM<0x24, 17>; 232 233let Predicates = [IsFP64bit, HasStdEnc], DecoderNamespace = "Mips64" in { 234 def ROUND_L_S : ABSS_FT<"round.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0x8, 16>; 235 def ROUND_L_D64 : ABSS_FT<"round.l.d", FGR64, FGR64, IIFcvt>, 236 ABSS_FM<0x8, 17>; 237 def TRUNC_L_S : ABSS_FT<"trunc.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0x9, 16>; 238 def TRUNC_L_D64 : ABSS_FT<"trunc.l.d", FGR64, FGR64, IIFcvt>, 239 ABSS_FM<0x9, 17>; 240 def CEIL_L_S : ABSS_FT<"ceil.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0xa, 16>; 241 def CEIL_L_D64 : ABSS_FT<"ceil.l.d", FGR64, FGR64, IIFcvt>, ABSS_FM<0xa, 17>; 242 def FLOOR_L_S : ABSS_FT<"floor.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0xb, 16>; 243 def FLOOR_L_D64 : ABSS_FT<"floor.l.d", FGR64, FGR64, IIFcvt>, 244 ABSS_FM<0xb, 17>; 245} 246 247def CVT_S_W : ABSS_FT<"cvt.s.w", FGR32, FGR32, IIFcvt>, ABSS_FM<0x20, 20>; 248def CVT_L_S : ABSS_FT<"cvt.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0x25, 16>; 249def CVT_L_D64: ABSS_FT<"cvt.l.d", FGR64, FGR64, IIFcvt>, ABSS_FM<0x25, 17>; 250 251let Predicates = [NotFP64bit, HasStdEnc] in { 252 def CVT_S_D32 : ABSS_FT<"cvt.s.d", FGR32, AFGR64, IIFcvt>, ABSS_FM<0x20, 17>; 253 def CVT_D32_W : ABSS_FT<"cvt.d.w", AFGR64, FGR32, IIFcvt>, ABSS_FM<0x21, 20>; 254 def CVT_D32_S : ABSS_FT<"cvt.d.s", AFGR64, FGR32, IIFcvt>, ABSS_FM<0x21, 16>; 255} 256 257let Predicates = [IsFP64bit, HasStdEnc], DecoderNamespace = "Mips64" in { 258 def CVT_S_D64 : ABSS_FT<"cvt.s.d", FGR32, FGR64, IIFcvt>, ABSS_FM<0x20, 17>; 259 def CVT_S_L : ABSS_FT<"cvt.s.l", FGR32, FGR64, IIFcvt>, ABSS_FM<0x20, 21>; 260 def CVT_D64_W : ABSS_FT<"cvt.d.w", FGR64, FGR32, IIFcvt>, ABSS_FM<0x21, 20>; 261 def CVT_D64_S : ABSS_FT<"cvt.d.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0x21, 16>; 262 def CVT_D64_L : ABSS_FT<"cvt.d.l", FGR64, FGR64, IIFcvt>, ABSS_FM<0x21, 21>; 263} 264 265let isPseudo = 1, isCodeGenOnly = 1 in { 266 def PseudoCVT_S_W : ABSS_FT<"", FGR32, CPURegs, IIFcvt>; 267 def PseudoCVT_D32_W : ABSS_FT<"", AFGR64, CPURegs, IIFcvt>; 268 def PseudoCVT_S_L : ABSS_FT<"", FGR64, CPU64Regs, IIFcvt>; 269 def PseudoCVT_D64_W : ABSS_FT<"", FGR64, CPURegs, IIFcvt>; 270 def PseudoCVT_D64_L : ABSS_FT<"", FGR64, CPU64Regs, IIFcvt>; 271} 272 273let Predicates = [NoNaNsFPMath, HasStdEnc] in { 274 def FABS_S : ABSS_FT<"abs.s", FGR32, FGR32, IIFcvt, fabs>, ABSS_FM<0x5, 16>; 275 def FNEG_S : ABSS_FT<"neg.s", FGR32, FGR32, IIFcvt, fneg>, ABSS_FM<0x7, 16>; 276 defm FABS : ABSS_M<"abs.d", IIFcvt, fabs>, ABSS_FM<0x5, 17>; 277 defm FNEG : ABSS_M<"neg.d", IIFcvt, fneg>, ABSS_FM<0x7, 17>; 278} 279 280def FSQRT_S : ABSS_FT<"sqrt.s", FGR32, FGR32, IIFsqrtSingle, fsqrt>, 281 ABSS_FM<0x4, 16>; 282defm FSQRT : ABSS_M<"sqrt.d", IIFsqrtDouble, fsqrt>, ABSS_FM<0x4, 17>; 283 284// The odd-numbered registers are only referenced when doing loads, 285// stores, and moves between floating-point and integer registers. 286// When defining instructions, we reference all 32-bit registers, 287// regardless of register aliasing. 288 289/// Move Control Registers From/To CPU Registers 290def CFC1 : MFC1_FT_CCR<"cfc1", CPURegs, CCROpnd, IIFmove>, MFC1_FM<2>; 291def CTC1 : MTC1_FT_CCR<"ctc1", CCROpnd, CPURegs, IIFmove>, MFC1_FM<6>; 292def MFC1 : MFC1_FT<"mfc1", CPURegs, FGR32, IIFmoveC1, bitconvert>, MFC1_FM<0>; 293def MTC1 : MTC1_FT<"mtc1", FGR32, CPURegs, IIFmoveC1, bitconvert>, MFC1_FM<4>; 294def DMFC1 : MFC1_FT<"dmfc1", CPU64Regs, FGR64, IIFmoveC1, bitconvert>, 295 MFC1_FM<1>; 296def DMTC1 : MTC1_FT<"dmtc1", FGR64, CPU64Regs, IIFmoveC1, bitconvert>, 297 MFC1_FM<5>; 298 299def FMOV_S : ABSS_FT<"mov.s", FGR32, FGR32, IIFmove>, ABSS_FM<0x6, 16>; 300def FMOV_D32 : ABSS_FT<"mov.d", AFGR64, AFGR64, IIFmove>, ABSS_FM<0x6, 17>, 301 Requires<[NotFP64bit, HasStdEnc]>; 302def FMOV_D64 : ABSS_FT<"mov.d", FGR64, FGR64, IIFmove>, ABSS_FM<0x6, 17>, 303 Requires<[IsFP64bit, HasStdEnc]> { 304 let DecoderNamespace = "Mips64"; 305} 306 307/// Floating Point Memory Instructions 308let Predicates = [IsN64, HasStdEnc], DecoderNamespace = "Mips64" in { 309 def LWC1_P8 : LW_FT<"lwc1", FGR32RegsOpnd, IIFLoad, mem64, load>, LW_FM<0x31>; 310 def SWC1_P8 : SW_FT<"swc1", FGR32RegsOpnd, IIFStore, mem64, store>, 311 LW_FM<0x39>; 312 def LDC164_P8 : LW_FT<"ldc1", FGR64RegsOpnd, IIFLoad, mem64, load>, 313 LW_FM<0x35> { 314 let isCodeGenOnly =1; 315 } 316 def SDC164_P8 : SW_FT<"sdc1", FGR64RegsOpnd, IIFStore, mem64, store>, 317 LW_FM<0x3d> { 318 let isCodeGenOnly =1; 319 } 320} 321 322let Predicates = [NotN64, HasStdEnc] in { 323 def LWC1 : LW_FT<"lwc1", FGR32RegsOpnd, IIFLoad, mem, load>, LW_FM<0x31>; 324 def SWC1 : SW_FT<"swc1", FGR32RegsOpnd, IIFStore, mem, store>, LW_FM<0x39>; 325} 326 327let Predicates = [NotN64, HasMips64, HasStdEnc], 328 DecoderNamespace = "Mips64" in { 329 def LDC164 : LW_FT<"ldc1", FGR64RegsOpnd, IIFLoad, mem, load>, LW_FM<0x35>; 330 def SDC164 : SW_FT<"sdc1", FGR64RegsOpnd, IIFStore, mem, store>, LW_FM<0x3d>; 331} 332 333let Predicates = [NotN64, NotMips64, HasStdEnc] in { 334 let isPseudo = 1, isCodeGenOnly = 1 in { 335 def PseudoLDC1 : LW_FT<"", AFGR64RegsOpnd, IIFLoad, mem, load>; 336 def PseudoSDC1 : SW_FT<"", AFGR64RegsOpnd, IIFStore, mem, store>; 337 } 338 def LDC1 : LW_FT<"ldc1", AFGR64RegsOpnd, IIFLoad, mem>, LW_FM<0x35>; 339 def SDC1 : SW_FT<"sdc1", AFGR64RegsOpnd, IIFStore, mem>, LW_FM<0x3d>; 340} 341 342// Indexed loads and stores. 343let Predicates = [HasFPIdx, HasStdEnc] in { 344 def LWXC1 : LWXC1_FT<"lwxc1", FGR32RegsOpnd, CPURegsOpnd, IIFLoad, load>, 345 LWXC1_FM<0>; 346 def SWXC1 : SWXC1_FT<"swxc1", FGR32RegsOpnd, CPURegsOpnd, IIFStore, store>, 347 SWXC1_FM<8>; 348} 349 350let Predicates = [HasMips32r2, NotMips64, HasStdEnc] in { 351 def LDXC1 : LWXC1_FT<"ldxc1", AFGR64RegsOpnd, CPURegsOpnd, IIFLoad, load>, 352 LWXC1_FM<1>; 353 def SDXC1 : SWXC1_FT<"sdxc1", AFGR64RegsOpnd, CPURegsOpnd, IIFStore, store>, 354 SWXC1_FM<9>; 355} 356 357let Predicates = [HasMips64, NotN64, HasStdEnc], DecoderNamespace="Mips64" in { 358 def LDXC164 : LWXC1_FT<"ldxc1", FGR64RegsOpnd, CPURegsOpnd, IIFLoad, load>, 359 LWXC1_FM<1>; 360 def SDXC164 : SWXC1_FT<"sdxc1", FGR64RegsOpnd, CPURegsOpnd, IIFStore, store>, 361 SWXC1_FM<9>; 362} 363 364// n64 365let Predicates = [IsN64, HasStdEnc], isCodeGenOnly=1 in { 366 def LWXC1_P8 : LWXC1_FT<"lwxc1", FGR32RegsOpnd, CPU64RegsOpnd, IIFLoad, load>, 367 LWXC1_FM<0>; 368 def LDXC164_P8 : LWXC1_FT<"ldxc1", FGR64RegsOpnd, CPU64RegsOpnd, IIFLoad, 369 load>, LWXC1_FM<1>; 370 def SWXC1_P8 : SWXC1_FT<"swxc1", FGR32RegsOpnd, CPU64RegsOpnd, IIFStore, 371 store>, SWXC1_FM<8>; 372 def SDXC164_P8 : SWXC1_FT<"sdxc1", FGR64RegsOpnd, CPU64RegsOpnd, IIFStore, 373 store>, SWXC1_FM<9>; 374} 375 376// Load/store doubleword indexed unaligned. 377let Predicates = [NotMips64, HasStdEnc] in { 378 def LUXC1 : LWXC1_FT<"luxc1", AFGR64RegsOpnd, CPURegsOpnd, IIFLoad>, 379 LWXC1_FM<0x5>; 380 def SUXC1 : SWXC1_FT<"suxc1", AFGR64RegsOpnd, CPURegsOpnd, IIFStore>, 381 SWXC1_FM<0xd>; 382} 383 384let Predicates = [HasMips64, HasStdEnc], 385 DecoderNamespace="Mips64" in { 386 def LUXC164 : LWXC1_FT<"luxc1", FGR64RegsOpnd, CPURegsOpnd, IIFLoad>, 387 LWXC1_FM<0x5>; 388 def SUXC164 : SWXC1_FT<"suxc1", FGR64RegsOpnd, CPURegsOpnd, IIFStore>, 389 SWXC1_FM<0xd>; 390} 391 392/// Floating-point Aritmetic 393def FADD_S : ADDS_FT<"add.s", FGR32, IIFadd, 1, fadd>, ADDS_FM<0x00, 16>; 394defm FADD : ADDS_M<"add.d", IIFadd, 1, fadd>, ADDS_FM<0x00, 17>; 395def FDIV_S : ADDS_FT<"div.s", FGR32, IIFdivSingle, 0, fdiv>, ADDS_FM<0x03, 16>; 396defm FDIV : ADDS_M<"div.d", IIFdivDouble, 0, fdiv>, ADDS_FM<0x03, 17>; 397def FMUL_S : ADDS_FT<"mul.s", FGR32, IIFmulSingle, 1, fmul>, ADDS_FM<0x02, 16>; 398defm FMUL : ADDS_M<"mul.d", IIFmulDouble, 1, fmul>, ADDS_FM<0x02, 17>; 399def FSUB_S : ADDS_FT<"sub.s", FGR32, IIFadd, 0, fsub>, ADDS_FM<0x01, 16>; 400defm FSUB : ADDS_M<"sub.d", IIFadd, 0, fsub>, ADDS_FM<0x01, 17>; 401 402let Predicates = [HasMips32r2, HasStdEnc] in { 403 def MADD_S : MADDS_FT<"madd.s", FGR32, IIFmulSingle, fadd>, MADDS_FM<4, 0>; 404 def MSUB_S : MADDS_FT<"msub.s", FGR32, IIFmulSingle, fsub>, MADDS_FM<5, 0>; 405} 406 407let Predicates = [HasMips32r2, NoNaNsFPMath, HasStdEnc] in { 408 def NMADD_S : NMADDS_FT<"nmadd.s", FGR32, IIFmulSingle, fadd>, MADDS_FM<6, 0>; 409 def NMSUB_S : NMADDS_FT<"nmsub.s", FGR32, IIFmulSingle, fsub>, MADDS_FM<7, 0>; 410} 411 412let Predicates = [HasMips32r2, NotFP64bit, HasStdEnc] in { 413 def MADD_D32 : MADDS_FT<"madd.d", AFGR64, IIFmulDouble, fadd>, MADDS_FM<4, 1>; 414 def MSUB_D32 : MADDS_FT<"msub.d", AFGR64, IIFmulDouble, fsub>, MADDS_FM<5, 1>; 415} 416 417let Predicates = [HasMips32r2, NotFP64bit, NoNaNsFPMath, HasStdEnc] in { 418 def NMADD_D32 : NMADDS_FT<"nmadd.d", AFGR64, IIFmulDouble, fadd>, 419 MADDS_FM<6, 1>; 420 def NMSUB_D32 : NMADDS_FT<"nmsub.d", AFGR64, IIFmulDouble, fsub>, 421 MADDS_FM<7, 1>; 422} 423 424let Predicates = [HasMips32r2, IsFP64bit, HasStdEnc], isCodeGenOnly=1 in { 425 def MADD_D64 : MADDS_FT<"madd.d", FGR64, IIFmulDouble, fadd>, MADDS_FM<4, 1>; 426 def MSUB_D64 : MADDS_FT<"msub.d", FGR64, IIFmulDouble, fsub>, MADDS_FM<5, 1>; 427} 428 429let Predicates = [HasMips32r2, IsFP64bit, NoNaNsFPMath, HasStdEnc], 430 isCodeGenOnly=1 in { 431 def NMADD_D64 : NMADDS_FT<"nmadd.d", FGR64, IIFmulDouble, fadd>, 432 MADDS_FM<6, 1>; 433 def NMSUB_D64 : NMADDS_FT<"nmsub.d", FGR64, IIFmulDouble, fsub>, 434 MADDS_FM<7, 1>; 435} 436 437//===----------------------------------------------------------------------===// 438// Floating Point Branch Codes 439//===----------------------------------------------------------------------===// 440// Mips branch codes. These correspond to condcode in MipsInstrInfo.h. 441// They must be kept in synch. 442def MIPS_BRANCH_F : PatLeaf<(i32 0)>; 443def MIPS_BRANCH_T : PatLeaf<(i32 1)>; 444 445let DecoderMethod = "DecodeBC1" in { 446def BC1F : BC1F_FT<"bc1f", IIBranch, MIPS_BRANCH_F>, BC1F_FM<0, 0>; 447def BC1T : BC1F_FT<"bc1t", IIBranch, MIPS_BRANCH_T>, BC1F_FM<0, 1>; 448} 449//===----------------------------------------------------------------------===// 450// Floating Point Flag Conditions 451//===----------------------------------------------------------------------===// 452// Mips condition codes. They must correspond to condcode in MipsInstrInfo.h. 453// They must be kept in synch. 454def MIPS_FCOND_F : PatLeaf<(i32 0)>; 455def MIPS_FCOND_UN : PatLeaf<(i32 1)>; 456def MIPS_FCOND_OEQ : PatLeaf<(i32 2)>; 457def MIPS_FCOND_UEQ : PatLeaf<(i32 3)>; 458def MIPS_FCOND_OLT : PatLeaf<(i32 4)>; 459def MIPS_FCOND_ULT : PatLeaf<(i32 5)>; 460def MIPS_FCOND_OLE : PatLeaf<(i32 6)>; 461def MIPS_FCOND_ULE : PatLeaf<(i32 7)>; 462def MIPS_FCOND_SF : PatLeaf<(i32 8)>; 463def MIPS_FCOND_NGLE : PatLeaf<(i32 9)>; 464def MIPS_FCOND_SEQ : PatLeaf<(i32 10)>; 465def MIPS_FCOND_NGL : PatLeaf<(i32 11)>; 466def MIPS_FCOND_LT : PatLeaf<(i32 12)>; 467def MIPS_FCOND_NGE : PatLeaf<(i32 13)>; 468def MIPS_FCOND_LE : PatLeaf<(i32 14)>; 469def MIPS_FCOND_NGT : PatLeaf<(i32 15)>; 470 471/// Floating Point Compare 472def FCMP_S32 : CEQS_FT<"s", FGR32, IIFcmp, MipsFPCmp>, CEQS_FM<16>; 473def FCMP_D32 : CEQS_FT<"d", AFGR64, IIFcmp, MipsFPCmp>, CEQS_FM<17>, 474 Requires<[NotFP64bit, HasStdEnc]>; 475let DecoderNamespace = "Mips64" in 476def FCMP_D64 : CEQS_FT<"d", FGR64, IIFcmp, MipsFPCmp>, CEQS_FM<17>, 477 Requires<[IsFP64bit, HasStdEnc]>; 478 479//===----------------------------------------------------------------------===// 480// Floating Point Pseudo-Instructions 481//===----------------------------------------------------------------------===// 482def MOVCCRToCCR : PseudoSE<(outs CCR:$dst), (ins CCROpnd:$src), []>; 483 484// This pseudo instr gets expanded into 2 mtc1 instrs after register 485// allocation. 486def BuildPairF64 : 487 PseudoSE<(outs AFGR64:$dst), 488 (ins CPURegs:$lo, CPURegs:$hi), 489 [(set AFGR64:$dst, (MipsBuildPairF64 CPURegs:$lo, CPURegs:$hi))]>; 490 491// This pseudo instr gets expanded into 2 mfc1 instrs after register 492// allocation. 493// if n is 0, lower part of src is extracted. 494// if n is 1, higher part of src is extracted. 495def ExtractElementF64 : 496 PseudoSE<(outs CPURegs:$dst), (ins AFGR64:$src, i32imm:$n), 497 [(set CPURegs:$dst, (MipsExtractElementF64 AFGR64:$src, imm:$n))]>; 498 499//===----------------------------------------------------------------------===// 500// Floating Point Patterns 501//===----------------------------------------------------------------------===// 502def : MipsPat<(f32 fpimm0), (MTC1 ZERO)>; 503def : MipsPat<(f32 fpimm0neg), (FNEG_S (MTC1 ZERO))>; 504 505def : MipsPat<(f32 (sint_to_fp CPURegs:$src)), (PseudoCVT_S_W CPURegs:$src)>; 506def : MipsPat<(MipsTruncIntFP FGR32:$src), (TRUNC_W_S FGR32:$src)>; 507 508let Predicates = [NotFP64bit, HasStdEnc] in { 509 def : MipsPat<(f64 (sint_to_fp CPURegs:$src)), 510 (PseudoCVT_D32_W CPURegs:$src)>; 511 def : MipsPat<(MipsTruncIntFP AFGR64:$src), (TRUNC_W_D32 AFGR64:$src)>; 512 def : MipsPat<(f32 (fround AFGR64:$src)), (CVT_S_D32 AFGR64:$src)>; 513 def : MipsPat<(f64 (fextend FGR32:$src)), (CVT_D32_S FGR32:$src)>; 514} 515 516let Predicates = [IsFP64bit, HasStdEnc] in { 517 def : MipsPat<(f64 fpimm0), (DMTC1 ZERO_64)>; 518 def : MipsPat<(f64 fpimm0neg), (FNEG_D64 (DMTC1 ZERO_64))>; 519 520 def : MipsPat<(f64 (sint_to_fp CPURegs:$src)), 521 (PseudoCVT_D64_W CPURegs:$src)>; 522 def : MipsPat<(f32 (sint_to_fp CPU64Regs:$src)), 523 (EXTRACT_SUBREG (PseudoCVT_S_L CPU64Regs:$src), sub_32)>; 524 def : MipsPat<(f64 (sint_to_fp CPU64Regs:$src)), 525 (PseudoCVT_D64_L CPU64Regs:$src)>; 526 527 def : MipsPat<(MipsTruncIntFP FGR64:$src), (TRUNC_W_D64 FGR64:$src)>; 528 def : MipsPat<(MipsTruncIntFP FGR32:$src), (TRUNC_L_S FGR32:$src)>; 529 def : MipsPat<(MipsTruncIntFP FGR64:$src), (TRUNC_L_D64 FGR64:$src)>; 530 531 def : MipsPat<(f32 (fround FGR64:$src)), (CVT_S_D64 FGR64:$src)>; 532 def : MipsPat<(f64 (fextend FGR32:$src)), (CVT_D64_S FGR32:$src)>; 533} 534 535// Patterns for loads/stores with a reg+imm operand. 536let AddedComplexity = 40 in { 537 let Predicates = [IsN64, HasStdEnc] in { 538 def : LoadRegImmPat<LWC1_P8, f32, load>; 539 def : StoreRegImmPat<SWC1_P8, f32>; 540 def : LoadRegImmPat<LDC164_P8, f64, load>; 541 def : StoreRegImmPat<SDC164_P8, f64>; 542 } 543 544 let Predicates = [NotN64, HasStdEnc] in { 545 def : LoadRegImmPat<LWC1, f32, load>; 546 def : StoreRegImmPat<SWC1, f32>; 547 } 548 549 let Predicates = [NotN64, HasMips64, HasStdEnc] in { 550 def : LoadRegImmPat<LDC164, f64, load>; 551 def : StoreRegImmPat<SDC164, f64>; 552 } 553 554 let Predicates = [NotN64, NotMips64, HasStdEnc] in { 555 def : LoadRegImmPat<PseudoLDC1, f64, load>; 556 def : StoreRegImmPat<PseudoSDC1, f64>; 557 } 558} 559