| //===-- MipsInstrFPU.td - Mips FPU Instruction Information -*- tablegen -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file describes the Mips FPU instruction set. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Floating Point Instructions |
| // ------------------------ |
| // * 64bit fp: |
| // - 32 64-bit registers (default mode) |
| // - 16 even 32-bit registers (32-bit compatible mode) for |
| // single and double access. |
| // * 32bit fp: |
| // - 16 even 32-bit registers - single and double (aliased) |
| // - 32 32-bit registers (within single-only mode) |
| //===----------------------------------------------------------------------===// |
| |
| // Floating Point Compare and Branch |
| def SDT_MipsFPBrcond : SDTypeProfile<0, 2, [SDTCisInt<0>, |
| SDTCisVT<1, OtherVT>]>; |
| def SDT_MipsFPCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>, SDTCisFP<1>, |
| SDTCisVT<2, i32>]>; |
| def SDT_MipsCMovFP : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>, |
| SDTCisSameAs<1, 2>]>; |
| def SDT_MipsBuildPairF64 : SDTypeProfile<1, 2, [SDTCisVT<0, f64>, |
| SDTCisVT<1, i32>, |
| SDTCisSameAs<1, 2>]>; |
| def SDT_MipsExtractElementF64 : SDTypeProfile<1, 2, [SDTCisVT<0, i32>, |
| SDTCisVT<1, f64>, |
| SDTCisVT<2, i32>]>; |
| |
| def MipsFPCmp : SDNode<"MipsISD::FPCmp", SDT_MipsFPCmp, [SDNPOutGlue]>; |
| def MipsCMovFP_T : SDNode<"MipsISD::CMovFP_T", SDT_MipsCMovFP, [SDNPInGlue]>; |
| def MipsCMovFP_F : SDNode<"MipsISD::CMovFP_F", SDT_MipsCMovFP, [SDNPInGlue]>; |
| def MipsFPBrcond : SDNode<"MipsISD::FPBrcond", SDT_MipsFPBrcond, |
| [SDNPHasChain, SDNPOptInGlue]>; |
| def MipsBuildPairF64 : SDNode<"MipsISD::BuildPairF64", SDT_MipsBuildPairF64>; |
| def MipsExtractElementF64 : SDNode<"MipsISD::ExtractElementF64", |
| SDT_MipsExtractElementF64>; |
| |
| // Operand for printing out a condition code. |
| let PrintMethod = "printFCCOperand", DecoderMethod = "DecodeCondCode" in |
| def condcode : Operand<i32>; |
| |
| //===----------------------------------------------------------------------===// |
| // Feature predicates. |
| //===----------------------------------------------------------------------===// |
| |
| def IsFP64bit : Predicate<"Subtarget.isFP64bit()">, |
| AssemblerPredicate<"FeatureFP64Bit">; |
| def NotFP64bit : Predicate<"!Subtarget.isFP64bit()">, |
| AssemblerPredicate<"!FeatureFP64Bit">; |
| def IsSingleFloat : Predicate<"Subtarget.isSingleFloat()">, |
| AssemblerPredicate<"FeatureSingleFloat">; |
| def IsNotSingleFloat : Predicate<"!Subtarget.isSingleFloat()">, |
| AssemblerPredicate<"!FeatureSingleFloat">; |
| |
| // FP immediate patterns. |
| def fpimm0 : PatLeaf<(fpimm), [{ |
| return N->isExactlyValue(+0.0); |
| }]>; |
| |
| def fpimm0neg : PatLeaf<(fpimm), [{ |
| return N->isExactlyValue(-0.0); |
| }]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Instruction Class Templates |
| // |
| // A set of multiclasses is used to address the register usage. |
| // |
| // S32 - single precision in 16 32bit even fp registers |
| // single precision in 32 32bit fp registers in SingleOnly mode |
| // S64 - single precision in 32 64bit fp registers (In64BitMode) |
| // D32 - double precision in 16 32bit even fp registers |
| // D64 - double precision in 32 64bit fp registers (In64BitMode) |
| // |
| // Only S32 and D32 are supported right now. |
| //===----------------------------------------------------------------------===// |
| |
| class ADDS_FT<string opstr, RegisterClass RC, InstrItinClass Itin, bit IsComm, |
| SDPatternOperator OpNode= null_frag> : |
| InstSE<(outs RC:$fd), (ins RC:$fs, RC:$ft), |
| !strconcat(opstr, "\t$fd, $fs, $ft"), |
| [(set RC:$fd, (OpNode RC:$fs, RC:$ft))], Itin, FrmFR> { |
| let isCommutable = IsComm; |
| } |
| |
| multiclass ADDS_M<string opstr, InstrItinClass Itin, bit IsComm, |
| SDPatternOperator OpNode = null_frag> { |
| def _D32 : ADDS_FT<opstr, AFGR64, Itin, IsComm, OpNode>, |
| Requires<[NotFP64bit, HasStdEnc]>; |
| def _D64 : ADDS_FT<opstr, FGR64, Itin, IsComm, OpNode>, |
| Requires<[IsFP64bit, HasStdEnc]> { |
| string DecoderNamespace = "Mips64"; |
| } |
| } |
| |
| class ABSS_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC, |
| InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : |
| InstSE<(outs DstRC:$fd), (ins SrcRC:$fs), !strconcat(opstr, "\t$fd, $fs"), |
| [(set DstRC:$fd, (OpNode SrcRC:$fs))], Itin, FrmFR>, |
| NeverHasSideEffects; |
| |
| multiclass ABSS_M<string opstr, InstrItinClass Itin, |
| SDPatternOperator OpNode= null_frag> { |
| def _D32 : ABSS_FT<opstr, AFGR64, AFGR64, Itin, OpNode>, |
| Requires<[NotFP64bit, HasStdEnc]>; |
| def _D64 : ABSS_FT<opstr, FGR64, FGR64, Itin, OpNode>, |
| Requires<[IsFP64bit, HasStdEnc]> { |
| string DecoderNamespace = "Mips64"; |
| } |
| } |
| |
| multiclass ROUND_M<string opstr, InstrItinClass Itin> { |
| def _D32 : ABSS_FT<opstr, FGR32, AFGR64, Itin>, |
| Requires<[NotFP64bit, HasStdEnc]>; |
| def _D64 : ABSS_FT<opstr, FGR32, FGR64, Itin>, |
| Requires<[IsFP64bit, HasStdEnc]> { |
| let DecoderNamespace = "Mips64"; |
| } |
| } |
| |
| class MFC1_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC, |
| InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : |
| InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"), |
| [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR>; |
| |
| class MTC1_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC, |
| InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : |
| InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"), |
| [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR>; |
| |
| class MFC1_FT_CCR<string opstr, RegisterClass DstRC, RegisterOperand SrcRC, |
| InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : |
| InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"), |
| [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR>; |
| |
| class MTC1_FT_CCR<string opstr, RegisterOperand DstRC, RegisterClass SrcRC, |
| InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : |
| InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"), |
| [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR>; |
| |
| class LW_FT<string opstr, RegisterClass RC, InstrItinClass Itin, |
| Operand MemOpnd, SDPatternOperator OpNode= null_frag> : |
| InstSE<(outs RC:$rt), (ins MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"), |
| [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI> { |
| let DecoderMethod = "DecodeFMem"; |
| } |
| |
| class SW_FT<string opstr, RegisterClass RC, InstrItinClass Itin, |
| Operand MemOpnd, SDPatternOperator OpNode= null_frag> : |
| InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"), |
| [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI> { |
| let DecoderMethod = "DecodeFMem"; |
| } |
| |
| class MADDS_FT<string opstr, RegisterClass RC, InstrItinClass Itin, |
| SDPatternOperator OpNode = null_frag> : |
| InstSE<(outs RC:$fd), (ins RC:$fr, RC:$fs, RC:$ft), |
| !strconcat(opstr, "\t$fd, $fr, $fs, $ft"), |
| [(set RC:$fd, (OpNode (fmul RC:$fs, RC:$ft), RC:$fr))], Itin, FrmFR>; |
| |
| class NMADDS_FT<string opstr, RegisterClass RC, InstrItinClass Itin, |
| SDPatternOperator OpNode = null_frag> : |
| InstSE<(outs RC:$fd), (ins RC:$fr, RC:$fs, RC:$ft), |
| !strconcat(opstr, "\t$fd, $fr, $fs, $ft"), |
| [(set RC:$fd, (fsub fpimm0, (OpNode (fmul RC:$fs, RC:$ft), RC:$fr)))], |
| Itin, FrmFR>; |
| |
| class LWXC1_FT<string opstr, RegisterClass DRC, RegisterClass PRC, |
| InstrItinClass Itin, SDPatternOperator OpNode = null_frag> : |
| InstSE<(outs DRC:$fd), (ins PRC:$base, PRC:$index), |
| !strconcat(opstr, "\t$fd, ${index}(${base})"), |
| [(set DRC:$fd, (OpNode (add PRC:$base, PRC:$index)))], Itin, FrmFI> { |
| let AddedComplexity = 20; |
| } |
| |
| class SWXC1_FT<string opstr, RegisterClass DRC, RegisterClass PRC, |
| InstrItinClass Itin, SDPatternOperator OpNode = null_frag> : |
| InstSE<(outs), (ins DRC:$fs, PRC:$base, PRC:$index), |
| !strconcat(opstr, "\t$fs, ${index}(${base})"), |
| [(OpNode DRC:$fs, (add PRC:$base, PRC:$index))], Itin, FrmFI> { |
| let AddedComplexity = 20; |
| } |
| |
| class BC1F_FT<string opstr, InstrItinClass Itin, |
| SDPatternOperator Op = null_frag> : |
| InstSE<(outs), (ins brtarget:$offset), !strconcat(opstr, "\t$offset"), |
| [(MipsFPBrcond Op, bb:$offset)], Itin, FrmFI> { |
| let isBranch = 1; |
| let isTerminator = 1; |
| let hasDelaySlot = 1; |
| let Defs = [AT]; |
| let Uses = [FCR31]; |
| } |
| |
| class CEQS_FT<string typestr, RegisterClass RC, InstrItinClass Itin, |
| SDPatternOperator OpNode = null_frag> : |
| InstSE<(outs), (ins RC:$fs, RC:$ft, condcode:$cond), |
| !strconcat("c.$cond.", typestr, "\t$fs, $ft"), |
| [(OpNode RC:$fs, RC:$ft, imm:$cond)], Itin, FrmFR> { |
| let Defs = [FCR31]; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Floating Point Instructions |
| //===----------------------------------------------------------------------===// |
| def ROUND_W_S : ABSS_FT<"round.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0xc, 16>; |
| def TRUNC_W_S : ABSS_FT<"trunc.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0xd, 16>; |
| def CEIL_W_S : ABSS_FT<"ceil.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0xe, 16>; |
| def FLOOR_W_S : ABSS_FT<"floor.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0xf, 16>; |
| def CVT_W_S : ABSS_FT<"cvt.w.s", FGR32, FGR32, IIFcvt>, ABSS_FM<0x24, 16>; |
| |
| defm ROUND_W : ROUND_M<"round.w.d", IIFcvt>, ABSS_FM<0xc, 17>; |
| defm TRUNC_W : ROUND_M<"trunc.w.d", IIFcvt>, ABSS_FM<0xd, 17>; |
| defm CEIL_W : ROUND_M<"ceil.w.d", IIFcvt>, ABSS_FM<0xe, 17>; |
| defm FLOOR_W : ROUND_M<"floor.w.d", IIFcvt>, ABSS_FM<0xf, 17>; |
| defm CVT_W : ROUND_M<"cvt.w.d", IIFcvt>, ABSS_FM<0x24, 17>; |
| |
| let Predicates = [IsFP64bit, HasStdEnc], DecoderNamespace = "Mips64" in { |
| def ROUND_L_S : ABSS_FT<"round.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0x8, 16>; |
| def ROUND_L_D64 : ABSS_FT<"round.l.d", FGR64, FGR64, IIFcvt>, |
| ABSS_FM<0x8, 17>; |
| def TRUNC_L_S : ABSS_FT<"trunc.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0x9, 16>; |
| def TRUNC_L_D64 : ABSS_FT<"trunc.l.d", FGR64, FGR64, IIFcvt>, |
| ABSS_FM<0x9, 17>; |
| def CEIL_L_S : ABSS_FT<"ceil.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0xa, 16>; |
| def CEIL_L_D64 : ABSS_FT<"ceil.l.d", FGR64, FGR64, IIFcvt>, ABSS_FM<0xa, 17>; |
| def FLOOR_L_S : ABSS_FT<"floor.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0xb, 16>; |
| def FLOOR_L_D64 : ABSS_FT<"floor.l.d", FGR64, FGR64, IIFcvt>, |
| ABSS_FM<0xb, 17>; |
| } |
| |
| def CVT_S_W : ABSS_FT<"cvt.s.w", FGR32, FGR32, IIFcvt>, ABSS_FM<0x20, 20>; |
| def CVT_L_S : ABSS_FT<"cvt.l.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0x25, 16>; |
| def CVT_L_D64: ABSS_FT<"cvt.l.d", FGR64, FGR64, IIFcvt>, ABSS_FM<0x25, 17>; |
| |
| let Predicates = [NotFP64bit, HasStdEnc] in { |
| def CVT_S_D32 : ABSS_FT<"cvt.s.d", FGR32, AFGR64, IIFcvt>, ABSS_FM<0x20, 17>; |
| def CVT_D32_W : ABSS_FT<"cvt.d.w", AFGR64, FGR32, IIFcvt>, ABSS_FM<0x21, 20>; |
| def CVT_D32_S : ABSS_FT<"cvt.d.s", AFGR64, FGR32, IIFcvt>, ABSS_FM<0x21, 16>; |
| } |
| |
| let Predicates = [IsFP64bit, HasStdEnc], DecoderNamespace = "Mips64" in { |
| def CVT_S_D64 : ABSS_FT<"cvt.s.d", FGR32, FGR64, IIFcvt>, ABSS_FM<0x20, 17>; |
| def CVT_S_L : ABSS_FT<"cvt.s.l", FGR32, FGR64, IIFcvt>, ABSS_FM<0x20, 21>; |
| def CVT_D64_W : ABSS_FT<"cvt.d.w", FGR64, FGR32, IIFcvt>, ABSS_FM<0x21, 20>; |
| def CVT_D64_S : ABSS_FT<"cvt.d.s", FGR64, FGR32, IIFcvt>, ABSS_FM<0x21, 16>; |
| def CVT_D64_L : ABSS_FT<"cvt.d.l", FGR64, FGR64, IIFcvt>, ABSS_FM<0x21, 21>; |
| } |
| |
| let Predicates = [NoNaNsFPMath, HasStdEnc] in { |
| def FABS_S : ABSS_FT<"abs.s", FGR32, FGR32, IIFcvt, fabs>, ABSS_FM<0x5, 16>; |
| def FNEG_S : ABSS_FT<"neg.s", FGR32, FGR32, IIFcvt, fneg>, ABSS_FM<0x7, 16>; |
| defm FABS : ABSS_M<"abs.d", IIFcvt, fabs>, ABSS_FM<0x5, 17>; |
| defm FNEG : ABSS_M<"neg.d", IIFcvt, fneg>, ABSS_FM<0x7, 17>; |
| } |
| |
| def FSQRT_S : ABSS_FT<"sqrt.s", FGR32, FGR32, IIFsqrtSingle, fsqrt>, |
| ABSS_FM<0x4, 16>; |
| defm FSQRT : ABSS_M<"sqrt.d", IIFsqrtDouble, fsqrt>, ABSS_FM<0x4, 17>; |
| |
| // The odd-numbered registers are only referenced when doing loads, |
| // stores, and moves between floating-point and integer registers. |
| // When defining instructions, we reference all 32-bit registers, |
| // regardless of register aliasing. |
| |
| /// Move Control Registers From/To CPU Registers |
| def CFC1 : MFC1_FT_CCR<"cfc1", CPURegs, CCROpnd, IIFmove>, MFC1_FM<2>; |
| def CTC1 : MTC1_FT_CCR<"ctc1", CCROpnd, CPURegs, IIFmove>, MFC1_FM<6>; |
| def MFC1 : MFC1_FT<"mfc1", CPURegs, FGR32, IIFmove, bitconvert>, MFC1_FM<0>; |
| def MTC1 : MTC1_FT<"mtc1", FGR32, CPURegs, IIFmove, bitconvert>, MFC1_FM<4>; |
| def DMFC1 : MFC1_FT<"dmfc1", CPU64Regs, FGR64, IIFmove, bitconvert>, MFC1_FM<1>; |
| def DMTC1 : MTC1_FT<"dmtc1", FGR64, CPU64Regs, IIFmove, bitconvert>, MFC1_FM<5>; |
| |
| def FMOV_S : ABSS_FT<"mov.s", FGR32, FGR32, IIFmove>, ABSS_FM<0x6, 16>; |
| def FMOV_D32 : ABSS_FT<"mov.d", AFGR64, AFGR64, IIFmove>, ABSS_FM<0x6, 17>, |
| Requires<[NotFP64bit, HasStdEnc]>; |
| def FMOV_D64 : ABSS_FT<"mov.d", FGR64, FGR64, IIFmove>, ABSS_FM<0x6, 17>, |
| Requires<[IsFP64bit, HasStdEnc]> { |
| let DecoderNamespace = "Mips64"; |
| } |
| |
| /// Floating Point Memory Instructions |
| let Predicates = [IsN64, HasStdEnc], DecoderNamespace = "Mips64" in { |
| def LWC1_P8 : LW_FT<"lwc1", FGR32, IILoad, mem64, load>, LW_FM<0x31>; |
| def SWC1_P8 : SW_FT<"swc1", FGR32, IIStore, mem64, store>, LW_FM<0x39>; |
| def LDC164_P8 : LW_FT<"ldc1", FGR64, IILoad, mem64, load>, LW_FM<0x35> { |
| let isCodeGenOnly =1; |
| } |
| def SDC164_P8 : SW_FT<"sdc1", FGR64, IIStore, mem64, store>, LW_FM<0x3d> { |
| let isCodeGenOnly =1; |
| } |
| } |
| |
| let Predicates = [NotN64, HasStdEnc] in { |
| def LWC1 : LW_FT<"lwc1", FGR32, IILoad, mem, load>, LW_FM<0x31>; |
| def SWC1 : SW_FT<"swc1", FGR32, IIStore, mem, store>, LW_FM<0x39>; |
| } |
| |
| let Predicates = [NotN64, HasMips64, HasStdEnc], |
| DecoderNamespace = "Mips64" in { |
| def LDC164 : LW_FT<"ldc1", FGR64, IILoad, mem, load>, LW_FM<0x35>; |
| def SDC164 : SW_FT<"sdc1", FGR64, IIStore, mem, store>, LW_FM<0x3d>; |
| } |
| |
| let Predicates = [NotN64, NotMips64, HasStdEnc] in { |
| def LDC1 : LW_FT<"ldc1", AFGR64, IILoad, mem, load>, LW_FM<0x35>; |
| def SDC1 : SW_FT<"sdc1", AFGR64, IIStore, mem, store>, LW_FM<0x3d>; |
| } |
| |
| // Indexed loads and stores. |
| let Predicates = [HasFPIdx, HasStdEnc] in { |
| def LWXC1 : LWXC1_FT<"lwxc1", FGR32, CPURegs, IILoad, load>, LWXC1_FM<0>; |
| def SWXC1 : SWXC1_FT<"swxc1", FGR32, CPURegs, IIStore, store>, SWXC1_FM<8>; |
| } |
| |
| let Predicates = [HasMips32r2, NotMips64, HasStdEnc] in { |
| def LDXC1 : LWXC1_FT<"ldxc1", AFGR64, CPURegs, IILoad, load>, LWXC1_FM<1>; |
| def SDXC1 : SWXC1_FT<"sdxc1", AFGR64, CPURegs, IIStore, store>, SWXC1_FM<9>; |
| } |
| |
| let Predicates = [HasMips64, NotN64, HasStdEnc], DecoderNamespace="Mips64" in { |
| def LDXC164 : LWXC1_FT<"ldxc1", FGR64, CPURegs, IILoad, load>, LWXC1_FM<1>; |
| def SDXC164 : SWXC1_FT<"sdxc1", FGR64, CPURegs, IIStore, store>, SWXC1_FM<9>; |
| } |
| |
| // n64 |
| let Predicates = [IsN64, HasStdEnc], isCodeGenOnly=1 in { |
| def LWXC1_P8 : LWXC1_FT<"lwxc1", FGR32, CPU64Regs, IILoad, load>, LWXC1_FM<0>; |
| def LDXC164_P8 : LWXC1_FT<"ldxc1", FGR64, CPU64Regs, IILoad, load>, |
| LWXC1_FM<1>; |
| def SWXC1_P8 : SWXC1_FT<"swxc1", FGR32, CPU64Regs, IIStore, store>, |
| SWXC1_FM<8>; |
| def SDXC164_P8 : SWXC1_FT<"sdxc1", FGR64, CPU64Regs, IIStore, store>, |
| SWXC1_FM<9>; |
| } |
| |
| // Load/store doubleword indexed unaligned. |
| let Predicates = [NotMips64, HasStdEnc] in { |
| def LUXC1 : LWXC1_FT<"luxc1", AFGR64, CPURegs, IILoad>, LWXC1_FM<0x5>; |
| def SUXC1 : SWXC1_FT<"suxc1", AFGR64, CPURegs, IIStore>, SWXC1_FM<0xd>; |
| } |
| |
| let Predicates = [HasMips64, HasStdEnc], |
| DecoderNamespace="Mips64" in { |
| def LUXC164 : LWXC1_FT<"luxc1", FGR64, CPURegs, IILoad>, LWXC1_FM<0x5>; |
| def SUXC164 : SWXC1_FT<"suxc1", FGR64, CPURegs, IIStore>, SWXC1_FM<0xd>; |
| } |
| |
| /// Floating-point Aritmetic |
| def FADD_S : ADDS_FT<"add.s", FGR32, IIFadd, 1, fadd>, ADDS_FM<0x00, 16>; |
| defm FADD : ADDS_M<"add.d", IIFadd, 1, fadd>, ADDS_FM<0x00, 17>; |
| def FDIV_S : ADDS_FT<"div.s", FGR32, IIFdivSingle, 0, fdiv>, ADDS_FM<0x03, 16>; |
| defm FDIV : ADDS_M<"div.d", IIFdivDouble, 0, fdiv>, ADDS_FM<0x03, 17>; |
| def FMUL_S : ADDS_FT<"mul.s", FGR32, IIFmulSingle, 1, fmul>, ADDS_FM<0x02, 16>; |
| defm FMUL : ADDS_M<"mul.d", IIFmulDouble, 1, fmul>, ADDS_FM<0x02, 17>; |
| def FSUB_S : ADDS_FT<"sub.s", FGR32, IIFadd, 0, fsub>, ADDS_FM<0x01, 16>; |
| defm FSUB : ADDS_M<"sub.d", IIFadd, 0, fsub>, ADDS_FM<0x01, 17>; |
| |
| let Predicates = [HasMips32r2, HasStdEnc] in { |
| def MADD_S : MADDS_FT<"madd.s", FGR32, IIFmulSingle, fadd>, MADDS_FM<4, 0>; |
| def MSUB_S : MADDS_FT<"msub.s", FGR32, IIFmulSingle, fsub>, MADDS_FM<5, 0>; |
| } |
| |
| let Predicates = [HasMips32r2, NoNaNsFPMath, HasStdEnc] in { |
| def NMADD_S : NMADDS_FT<"nmadd.s", FGR32, IIFmulSingle, fadd>, MADDS_FM<6, 0>; |
| def NMSUB_S : NMADDS_FT<"nmsub.s", FGR32, IIFmulSingle, fsub>, MADDS_FM<7, 0>; |
| } |
| |
| let Predicates = [HasMips32r2, NotFP64bit, HasStdEnc] in { |
| def MADD_D32 : MADDS_FT<"madd.d", AFGR64, IIFmulDouble, fadd>, MADDS_FM<4, 1>; |
| def MSUB_D32 : MADDS_FT<"msub.d", AFGR64, IIFmulDouble, fsub>, MADDS_FM<5, 1>; |
| } |
| |
| let Predicates = [HasMips32r2, NotFP64bit, NoNaNsFPMath, HasStdEnc] in { |
| def NMADD_D32 : NMADDS_FT<"nmadd.d", AFGR64, IIFmulDouble, fadd>, |
| MADDS_FM<6, 1>; |
| def NMSUB_D32 : NMADDS_FT<"nmsub.d", AFGR64, IIFmulDouble, fsub>, |
| MADDS_FM<7, 1>; |
| } |
| |
| let Predicates = [HasMips32r2, IsFP64bit, HasStdEnc], isCodeGenOnly=1 in { |
| def MADD_D64 : MADDS_FT<"madd.d", FGR64, IIFmulDouble, fadd>, MADDS_FM<4, 1>; |
| def MSUB_D64 : MADDS_FT<"msub.d", FGR64, IIFmulDouble, fsub>, MADDS_FM<5, 1>; |
| } |
| |
| let Predicates = [HasMips32r2, IsFP64bit, NoNaNsFPMath, HasStdEnc], |
| isCodeGenOnly=1 in { |
| def NMADD_D64 : NMADDS_FT<"nmadd.d", FGR64, IIFmulDouble, fadd>, |
| MADDS_FM<6, 1>; |
| def NMSUB_D64 : NMADDS_FT<"nmsub.d", FGR64, IIFmulDouble, fsub>, |
| MADDS_FM<7, 1>; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Floating Point Branch Codes |
| //===----------------------------------------------------------------------===// |
| // Mips branch codes. These correspond to condcode in MipsInstrInfo.h. |
| // They must be kept in synch. |
| def MIPS_BRANCH_F : PatLeaf<(i32 0)>; |
| def MIPS_BRANCH_T : PatLeaf<(i32 1)>; |
| |
| let DecoderMethod = "DecodeBC1" in { |
| def BC1F : BC1F_FT<"bc1f", IIBranch, MIPS_BRANCH_F>, BC1F_FM<0, 0>; |
| def BC1T : BC1F_FT<"bc1t", IIBranch, MIPS_BRANCH_T>, BC1F_FM<0, 1>; |
| } |
| //===----------------------------------------------------------------------===// |
| // Floating Point Flag Conditions |
| //===----------------------------------------------------------------------===// |
| // Mips condition codes. They must correspond to condcode in MipsInstrInfo.h. |
| // They must be kept in synch. |
| def MIPS_FCOND_F : PatLeaf<(i32 0)>; |
| def MIPS_FCOND_UN : PatLeaf<(i32 1)>; |
| def MIPS_FCOND_OEQ : PatLeaf<(i32 2)>; |
| def MIPS_FCOND_UEQ : PatLeaf<(i32 3)>; |
| def MIPS_FCOND_OLT : PatLeaf<(i32 4)>; |
| def MIPS_FCOND_ULT : PatLeaf<(i32 5)>; |
| def MIPS_FCOND_OLE : PatLeaf<(i32 6)>; |
| def MIPS_FCOND_ULE : PatLeaf<(i32 7)>; |
| def MIPS_FCOND_SF : PatLeaf<(i32 8)>; |
| def MIPS_FCOND_NGLE : PatLeaf<(i32 9)>; |
| def MIPS_FCOND_SEQ : PatLeaf<(i32 10)>; |
| def MIPS_FCOND_NGL : PatLeaf<(i32 11)>; |
| def MIPS_FCOND_LT : PatLeaf<(i32 12)>; |
| def MIPS_FCOND_NGE : PatLeaf<(i32 13)>; |
| def MIPS_FCOND_LE : PatLeaf<(i32 14)>; |
| def MIPS_FCOND_NGT : PatLeaf<(i32 15)>; |
| |
| /// Floating Point Compare |
| def FCMP_S32 : CEQS_FT<"s", FGR32, IIFcmp, MipsFPCmp>, CEQS_FM<16>; |
| def FCMP_D32 : CEQS_FT<"d", AFGR64, IIFcmp, MipsFPCmp>, CEQS_FM<17>, |
| Requires<[NotFP64bit, HasStdEnc]>; |
| let DecoderNamespace = "Mips64" in |
| def FCMP_D64 : CEQS_FT<"d", FGR64, IIFcmp, MipsFPCmp>, CEQS_FM<17>, |
| Requires<[IsFP64bit, HasStdEnc]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Floating Point Pseudo-Instructions |
| //===----------------------------------------------------------------------===// |
| def MOVCCRToCCR : PseudoSE<(outs CCR:$dst), (ins CCROpnd:$src), []>; |
| |
| // This pseudo instr gets expanded into 2 mtc1 instrs after register |
| // allocation. |
| def BuildPairF64 : |
| PseudoSE<(outs AFGR64:$dst), |
| (ins CPURegs:$lo, CPURegs:$hi), |
| [(set AFGR64:$dst, (MipsBuildPairF64 CPURegs:$lo, CPURegs:$hi))]>; |
| |
| // This pseudo instr gets expanded into 2 mfc1 instrs after register |
| // allocation. |
| // if n is 0, lower part of src is extracted. |
| // if n is 1, higher part of src is extracted. |
| def ExtractElementF64 : |
| PseudoSE<(outs CPURegs:$dst), (ins AFGR64:$src, i32imm:$n), |
| [(set CPURegs:$dst, (MipsExtractElementF64 AFGR64:$src, imm:$n))]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Floating Point Patterns |
| //===----------------------------------------------------------------------===// |
| def : MipsPat<(f32 fpimm0), (MTC1 ZERO)>; |
| def : MipsPat<(f32 fpimm0neg), (FNEG_S (MTC1 ZERO))>; |
| |
| def : MipsPat<(f32 (sint_to_fp CPURegs:$src)), (CVT_S_W (MTC1 CPURegs:$src))>; |
| def : MipsPat<(i32 (fp_to_sint FGR32:$src)), (MFC1 (TRUNC_W_S FGR32:$src))>; |
| |
| let Predicates = [NotFP64bit, HasStdEnc] in { |
| def : MipsPat<(f64 (sint_to_fp CPURegs:$src)), |
| (CVT_D32_W (MTC1 CPURegs:$src))>; |
| def : MipsPat<(i32 (fp_to_sint AFGR64:$src)), |
| (MFC1 (TRUNC_W_D32 AFGR64:$src))>; |
| def : MipsPat<(f32 (fround AFGR64:$src)), (CVT_S_D32 AFGR64:$src)>; |
| def : MipsPat<(f64 (fextend FGR32:$src)), (CVT_D32_S FGR32:$src)>; |
| } |
| |
| let Predicates = [IsFP64bit, HasStdEnc] in { |
| def : MipsPat<(f64 fpimm0), (DMTC1 ZERO_64)>; |
| def : MipsPat<(f64 fpimm0neg), (FNEG_D64 (DMTC1 ZERO_64))>; |
| |
| def : MipsPat<(f64 (sint_to_fp CPURegs:$src)), |
| (CVT_D64_W (MTC1 CPURegs:$src))>; |
| def : MipsPat<(f32 (sint_to_fp CPU64Regs:$src)), |
| (CVT_S_L (DMTC1 CPU64Regs:$src))>; |
| def : MipsPat<(f64 (sint_to_fp CPU64Regs:$src)), |
| (CVT_D64_L (DMTC1 CPU64Regs:$src))>; |
| |
| def : MipsPat<(i32 (fp_to_sint FGR64:$src)), |
| (MFC1 (TRUNC_W_D64 FGR64:$src))>; |
| def : MipsPat<(i64 (fp_to_sint FGR32:$src)), (DMFC1 (TRUNC_L_S FGR32:$src))>; |
| def : MipsPat<(i64 (fp_to_sint FGR64:$src)), |
| (DMFC1 (TRUNC_L_D64 FGR64:$src))>; |
| |
| def : MipsPat<(f32 (fround FGR64:$src)), (CVT_S_D64 FGR64:$src)>; |
| def : MipsPat<(f64 (fextend FGR32:$src)), (CVT_D64_S FGR32:$src)>; |
| } |
| |
| // Load/Store patterns. |
| let AddedComplexity = 40 in { |
| let Predicates = [IsN64, HasStdEnc] in { |
| def : MipsPat<(f32 (load addrRegImm:$a)), (LWC1_P8 addrRegImm:$a)>; |
| def : MipsPat<(store FGR32:$v, addrRegImm:$a), |
| (SWC1_P8 FGR32:$v, addrRegImm:$a)>; |
| def : MipsPat<(f64 (load addrRegImm:$a)), (LDC164_P8 addrRegImm:$a)>; |
| def : MipsPat<(store FGR64:$v, addrRegImm:$a), |
| (SDC164_P8 FGR64:$v, addrRegImm:$a)>; |
| } |
| |
| let Predicates = [NotN64, HasStdEnc] in { |
| def : MipsPat<(f32 (load addrRegImm:$a)), (LWC1 addrRegImm:$a)>; |
| def : MipsPat<(store FGR32:$v, addrRegImm:$a), |
| (SWC1 FGR32:$v, addrRegImm:$a)>; |
| } |
| |
| let Predicates = [NotN64, HasMips64, HasStdEnc] in { |
| def : MipsPat<(f64 (load addrRegImm:$a)), (LDC164 addrRegImm:$a)>; |
| def : MipsPat<(store FGR64:$v, addrRegImm:$a), |
| (SDC164 FGR64:$v, addrRegImm:$a)>; |
| } |
| |
| let Predicates = [NotN64, NotMips64, HasStdEnc] in { |
| def : MipsPat<(f64 (load addrRegImm:$a)), (LDC1 addrRegImm:$a)>; |
| def : MipsPat<(store AFGR64:$v, addrRegImm:$a), |
| (SDC1 AFGR64:$v, addrRegImm:$a)>; |
| } |
| } |
