X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsInstrFPU.td;h=6b23057c9cdb0910425ebfef3541764bfd690367;hb=cd6c57917db22a3913a2cdbadfa79fed3547bdec;hp=312cc0b2adb5258d2c3eb9a682be91cd7dc06273;hpb=7030ae7728fb7d5f937f72943d73fc69c4d451c0;p=oota-llvm.git diff --git a/lib/Target/Mips/MipsInstrFPU.td b/lib/Target/Mips/MipsInstrFPU.td index 312cc0b2adb..6b23057c9cd 100644 --- a/lib/Target/Mips/MipsInstrFPU.td +++ b/lib/Target/Mips/MipsInstrFPU.td @@ -1,4 +1,4 @@ -//===- MipsInstrFPU.td - Mips FPU Instruction Information -------*- C++ -*-===// +//===-- MipsInstrFPU.td - Mips FPU Instruction Information -*- tablegen -*-===// // // The LLVM Compiler Infrastructure // @@ -7,7 +7,7 @@ // //===----------------------------------------------------------------------===// // -// This file contains the Mips implementation of the TargetInstrInfo class. +// This file describes the Mips FPU instruction set. // //===----------------------------------------------------------------------===// @@ -24,240 +24,404 @@ //===----------------------------------------------------------------------===// // Floating Point Compare and Branch -def SDT_MipsFPBrcond : SDTypeProfile<0, 3, [SDTCisSameAs<0, 2>, SDTCisInt<0>, - SDTCisVT<1, OtherVT>]>; -def SDT_MipsFPCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>, SDTCisFP<0>, - SDTCisInt<2>]>; -def SDT_MipsFPSelectCC : SDTypeProfile<1, 4, [SDTCisInt<1>, SDTCisInt<4>, - SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3>]>; -def MipsFPBrcond : SDNode<"MipsISD::FPBrcond", SDT_MipsFPBrcond, - [SDNPHasChain]>; -def MipsFPCmp : SDNode<"MipsISD::FPCmp", SDT_MipsFPCmp>; -def MipsFPSelectCC : SDNode<"MipsISD::FPSelectCC", SDT_MipsFPSelectCC>; +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" in +let PrintMethod = "printFCCOperand", DecoderMethod = "DecodeCondCode" in def condcode : Operand; //===----------------------------------------------------------------------===// // Feature predicates. //===----------------------------------------------------------------------===// -def In32BitMode : Predicate<"!Subtarget.isFP64bit()">; -def In64BitMode : Predicate<"Subtarget.isFP64bit()">; -def IsSingleFloat : Predicate<"Subtarget.isSingleFloat()">; -def IsNotSingleFloat : Predicate<"!Subtarget.isSingleFloat()">; +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 this in one shot. -// SO32 - single precision only, uses all 32 32-bit fp registers -// require FGR32 Register Class and IsSingleFloat -// AS32 - 16 even fp registers are used for single precision -// require AFGR32 Register Class and In32BitMode -// S64 - 32 64 bit registers are used to hold 32-bit single precision values. -// require FGR64 Register Class and In64BitMode -// D32 - 16 even fp registers are used for double precision -// require AFGR64 Register Class and In32BitMode -// D64 - 32 64 bit registers are used to hold 64-bit double precision values. -// require FGR64 Register Class and In64BitMode +// A set of multiclasses is used to address the register usage. // -// Only SO32, AS32 and D32 are supported right now. +// 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. //===----------------------------------------------------------------------===// -multiclass FFR1_1 funct, string asmstr> -{ - def _SO32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd), (ins FGR32:$fs), - !strconcat(asmstr, ".s $fd, $fs"), []>, Requires<[IsSingleFloat]>; - - def _AS32 : FFR<0x11, funct, 0x0, (outs AFGR32:$fd), (ins AFGR32:$fs), - !strconcat(asmstr, ".s $fd, $fs"), []>, Requires<[In32BitMode]>; +class ADDS_FT : + InstSE<(outs RC:$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; +} - def _D32 : FFR<0x11, funct, 0x1, (outs AFGR64:$fd), (ins AFGR64:$fs), - !strconcat(asmstr, ".d $fd, $fs"), []>, Requires<[In32BitMode]>; +multiclass ADDS_M { + def _D32 : ADDS_FT, + Requires<[NotFP64bit, HasStdEnc]>; + def _D64 : ADDS_FT, + Requires<[IsFP64bit, HasStdEnc]> { + string DecoderNamespace = "Mips64"; + } } -multiclass FFR1_2 funct, string asmstr, SDNode FOp> -{ - def _SO32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd), (ins FGR32:$fs), - !strconcat(asmstr, ".s $fd, $fs"), - [(set FGR32:$fd, (FOp FGR32:$fs))]>, Requires<[IsSingleFloat]>; +class ABSS_FT : + InstSE<(outs DstRC:$fd), (ins SrcRC:$fs), !strconcat(opstr, "\t$fd, $fs"), + [(set DstRC:$fd, (OpNode SrcRC:$fs))], Itin, FrmFR>, + NeverHasSideEffects; + +multiclass ABSS_M { + def _D32 : ABSS_FT, + Requires<[NotFP64bit, HasStdEnc]>; + def _D64 : ABSS_FT, + Requires<[IsFP64bit, HasStdEnc]> { + string DecoderNamespace = "Mips64"; + } +} - def _AS32 : FFR<0x11, funct, 0x0, (outs AFGR32:$fd), (ins AFGR32:$fs), - !strconcat(asmstr, ".s $fd, $fs"), - [(set AFGR32:$fd, (FOp AFGR32:$fs))]>, Requires<[In32BitMode]>; +multiclass ROUND_M { + def _D32 : ABSS_FT, + Requires<[NotFP64bit, HasStdEnc]>; + def _D64 : ABSS_FT, + Requires<[IsFP64bit, HasStdEnc]> { + let DecoderNamespace = "Mips64"; + } +} - def _D32 : FFR<0x11, funct, 0x1, (outs AFGR64:$fd), (ins AFGR64:$fs), - !strconcat(asmstr, ".d $fd, $fs"), - [(set AFGR64:$fd, (FOp AFGR64:$fs))]>, Requires<[In32BitMode]>; +class MFC1_FT : + InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"), + [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR>; + +class MTC1_FT : + InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"), + [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR>; + +class MFC1_FT_CCR : + InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"), + [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR>; + +class MTC1_FT_CCR : + InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"), + [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR>; + +class LW_FT : + InstSE<(outs RC:$rt), (ins MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"), + [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI> { + let DecoderMethod = "DecodeFMem"; } -class FFR1_3 funct, bits<5> fmt, RegisterClass RcSrc, - RegisterClass RcDst, string asmstr>: - FFR<0x11, funct, fmt, (outs RcSrc:$fd), (ins RcDst:$fs), - !strconcat(asmstr, " $fd, $fs"), []>; +class SW_FT : + InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"), + [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI> { + let DecoderMethod = "DecodeFMem"; +} +class MADDS_FT : + InstSE<(outs RC:$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:$fr))], Itin, FrmFR>; + +class NMADDS_FT : + InstSE<(outs RC:$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:$fr)))], + Itin, FrmFR>; + +class LWXC1_FT : + InstSE<(outs DRC:$fd), (ins PRC:$base, PRC:$index), + !strconcat(opstr, "\t$fd, ${index}(${base})"), + [(set DRC:$fd, (OpNode (add PRC:$base, PRC:$index)))], Itin, FrmFI> { + let AddedComplexity = 20; +} -multiclass FFR1_4 funct, string asmstr, SDNode FOp> { - def _SO32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd), - (ins FGR32:$fs, FGR32:$ft), - !strconcat(asmstr, ".s $fd, $fs, $ft"), - [(set FGR32:$fd, (FOp FGR32:$fs, FGR32:$ft))]>, - Requires<[IsSingleFloat]>; +class SWXC1_FT : + InstSE<(outs), (ins DRC:$fs, PRC:$base, PRC:$index), + !strconcat(opstr, "\t$fs, ${index}(${base})"), + [(OpNode DRC:$fs, (add PRC:$base, PRC:$index))], Itin, FrmFI> { + let AddedComplexity = 20; +} - def _AS32 : FFR<0x11, funct, 0x0, (outs AFGR32:$fd), - (ins AFGR32:$fs, AFGR32:$ft), - !strconcat(asmstr, ".s $fd, $fs, $ft"), - [(set AFGR32:$fd, (FOp AFGR32:$fs, AFGR32:$ft))]>, - Requires<[In32BitMode]>; +class BC1F_FT : + InstSE<(outs), (ins brtarget:$offset), !strconcat(opstr, "\t$offset"), + [(MipsFPBrcond Op, bb:$offset)], Itin, FrmFI> { + let isBranch = 1; + let isTerminator = 1; + let hasDelaySlot = 1; + let Defs = [AT]; + let Uses = [FCR31]; +} - def _D32 : FFR<0x11, funct, 0x1, (outs AFGR64:$fd), - (ins AFGR64:$fs, AFGR64:$ft), - !strconcat(asmstr, ".d $fd, $fs, $ft"), - [(set AFGR64:$fd, (FOp AFGR64:$fs, AFGR64:$ft))]>, - Requires<[In32BitMode]>; +class CEQS_FT : + 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>; +} -let ft = 0 in { - defm FLOOR_W : FFR1_1<0b001111, "floor.w">; - defm CEIL_W : FFR1_1<0b001110, "ceil.w">; - defm ROUND_W : FFR1_1<0b001100, "round.w">; - defm TRUNC_W : FFR1_1<0b001101, "trunc.w">; - defm CVTW : FFR1_1<0b100100, "cvt.w">; - defm FMOV : FFR1_1<0b000110, "mov">; - - defm FABS : FFR1_2<0b000101, "abs", fabs>; - defm FNEG : FFR1_2<0b000111, "neg", fneg>; - defm FSQRT : FFR1_2<0b000100, "sqrt", fsqrt>; - - let Predicates = [IsNotSingleFloat] in { - /// Ceil to long signed integer - def CEIL_LS : FFR1_3<0b001010, 0x0, AFGR32, AFGR32, "ceil.l">; - def CEIL_LD : FFR1_3<0b001010, 0x1, AFGR64, AFGR64, "ceil.l">; - - /// Round to long signed integer - def ROUND_LS : FFR1_3<0b001000, 0x0, AFGR32, AFGR32, "round.l">; - def ROUND_LD : FFR1_3<0b001000, 0x1, AFGR64, AFGR64, "round.l">; - - /// Floor to long signed integer - def FLOOR_LS : FFR1_3<0b001011, 0x0, AFGR32, AFGR32, "floor.l">; - def FLOOR_LD : FFR1_3<0b001011, 0x1, AFGR64, AFGR64, "floor.l">; - - /// Trunc to long signed integer - def TRUNC_LS : FFR1_3<0b001001, 0x0, AFGR32, AFGR32, "trunc.l">; - def TRUNC_LD : FFR1_3<0b001001, 0x1, AFGR64, AFGR64, "trunc.l">; - - /// Convert to long signed integer - def CVTL_S : FFR1_3<0b100101, 0x0, AFGR32, AFGR32, "cvt.l">; - def CVTL_D : FFR1_3<0b100101, 0x1, AFGR64, AFGR64, "cvt.l">; - - /// Convert to Double Precison - def CVTD_S32 : FFR1_3<0b100001, 0x0, AFGR64, FGR32, "cvt.d.s">; - def CVTD_W32 : FFR1_3<0b100001, 0x2, AFGR64, FGR32, "cvt.d.w">; - def CVTD_L32 : FFR1_3<0b100001, 0x3, AFGR64, AFGR64, "cvt.d.l">; - - /// Convert to Single Precison - def CVTS_D32 : FFR1_3<0b100000, 0x1, FGR32, AFGR64, "cvt.s.d">; - def CVTS_L32 : FFR1_3<0b100000, 0x3, FGR32, AFGR64, "cvt.s.l">; - } +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>; +} - /// Convert to Single Precison - def CVTS_W32 : FFR1_3<0b100000, 0x2, FGR32, FGR32, "cvt.s.w">, - Requires<[IsSingleFloat]>; +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, +// When defining instructions, we reference all 32-bit registers, // regardless of register aliasing. -let fd = 0 in { - /// Move Control Registers From/To CPU Registers - ///def CFC1 : FFR<0x11, 0x0, 0x2, (outs CPURegs:$rt), (ins FGR32:$fs), - /// "cfc1 $rt, $fs", []>; - ///def CTC1 : FFR<0x11, 0x0, 0x6, (outs CPURegs:$rt), (ins FGR32:$fs), - /// "ctc1 $rt, $fs", []>; - /// - ///def CFC1A : FFR<0x11, 0x0, 0x2, (outs CPURegs:$rt), (ins AFGR32:$fs), - /// "cfc1 $rt, $fs", []>; +/// Move Control Registers From/To CPU Registers +def CFC1 : MFC1_FT_CCR<"cfc1", CPURegs, CCROpnd, IIFmove>, MFC1_FM<2>; +def CTC1 : MTC1_FT_CCR<"ctc1", CCROpnd, CPURegs, IIFmove>, MFC1_FM<6>; +def MFC1 : MFC1_FT<"mfc1", CPURegs, FGR32, IIFmove, bitconvert>, MFC1_FM<0>; +def MTC1 : MTC1_FT<"mtc1", FGR32, CPURegs, IIFmove, bitconvert>, MFC1_FM<4>; +def DMFC1 : MFC1_FT<"dmfc1", CPU64Regs, FGR64, IIFmove, bitconvert>, MFC1_FM<1>; +def DMTC1 : MTC1_FT<"dmtc1", FGR64, CPU64Regs, IIFmove, bitconvert>, MFC1_FM<5>; + +def FMOV_S : ABSS_FT<"mov.s", FGR32, FGR32, IIFmove>, ABSS_FM<0x6, 16>; +def FMOV_D32 : ABSS_FT<"mov.d", AFGR64, AFGR64, IIFmove>, ABSS_FM<0x6, 17>, + Requires<[NotFP64bit, HasStdEnc]>; +def FMOV_D64 : ABSS_FT<"mov.d", FGR64, FGR64, IIFmove>, ABSS_FM<0x6, 17>, + Requires<[IsFP64bit, HasStdEnc]> { + let DecoderNamespace = "Mips64"; +} - ///def CTC1A : FFR<0x11, 0x0, 0x6, (outs CPURegs:$rt), (ins AFGR32:$fs), - /// "ctc1 $rt, $fs", []>; +/// Floating Point Memory Instructions +let Predicates = [IsN64, HasStdEnc], DecoderNamespace = "Mips64" in { + def LWC1_P8 : LW_FT<"lwc1", FGR32, IILoad, mem64, load>, LW_FM<0x31>; + def SWC1_P8 : SW_FT<"swc1", FGR32, IIStore, mem64, store>, LW_FM<0x39>; + def LDC164_P8 : LW_FT<"ldc1", FGR64, IILoad, mem64, load>, LW_FM<0x35> { + let isCodeGenOnly =1; + } + def SDC164_P8 : SW_FT<"sdc1", FGR64, IIStore, mem64, store>, LW_FM<0x3d> { + let isCodeGenOnly =1; + } +} - def MFC1 : FFR<0x11, 0x00, 0x00, (outs CPURegs:$rt), (ins FGR32:$fs), - "mfc1 $rt, $fs", []>; +let Predicates = [NotN64, HasStdEnc] in { + def LWC1 : LW_FT<"lwc1", FGR32, IILoad, mem, load>, LW_FM<0x31>; + def SWC1 : SW_FT<"swc1", FGR32, IIStore, mem, store>, LW_FM<0x39>; +} - def MTC1 : FFR<0x11, 0x00, 0x04, (outs FGR32:$fs), (ins CPURegs:$rt), - "mtc1 $rt, $fs", []>; +let Predicates = [NotN64, HasMips64, HasStdEnc], + DecoderNamespace = "Mips64" in { + def LDC164 : LW_FT<"ldc1", FGR64, IILoad, mem, load>, LW_FM<0x35>; + def SDC164 : SW_FT<"sdc1", FGR64, IIStore, mem, store>, LW_FM<0x3d>; +} - def MFC1A : FFR<0x11, 0x00, 0x00, (outs CPURegs:$rt), (ins AFGR32:$fs), - "mfc1 $rt, $fs", []>; +let Predicates = [NotN64, NotMips64, HasStdEnc] in { + def LDC1 : LW_FT<"ldc1", AFGR64, IILoad, mem, load>, LW_FM<0x35>; + def SDC1 : SW_FT<"sdc1", AFGR64, IIStore, mem, store>, LW_FM<0x3d>; +} - def MTC1A : FFR<0x11, 0x00, 0x04, (outs AFGR32:$fs), (ins CPURegs:$rt), - "mtc1 $rt, $fs", []>; +// Indexed loads and stores. +let Predicates = [HasFPIdx, HasStdEnc] in { + def LWXC1 : LWXC1_FT<"lwxc1", FGR32, CPURegs, IILoad, load>, LWXC1_FM<0>; + def SWXC1 : SWXC1_FT<"swxc1", FGR32, CPURegs, IIStore, store>, SWXC1_FM<8>; } -/// Floating Point Memory Instructions -let Predicates = [IsNotSingleFloat] in { - def LDC1 : FFI<0b110101, (outs AFGR64:$ft), (ins mem:$addr), - "ldc1 $ft, $addr", [(set AFGR64:$ft, (load addr:$addr))]>; +let Predicates = [HasMips32r2, NotMips64, HasStdEnc] in { + def LDXC1 : LWXC1_FT<"ldxc1", AFGR64, CPURegs, IILoad, load>, LWXC1_FM<1>; + def SDXC1 : SWXC1_FT<"sdxc1", AFGR64, CPURegs, IIStore, store>, SWXC1_FM<9>; +} - def SDC1 : FFI<0b111101, (outs), (ins AFGR64:$ft, mem:$addr), - "sdc1 $ft, $addr", [(store AFGR64:$ft, addr:$addr)]>; +let Predicates = [HasMips64, NotN64, HasStdEnc], DecoderNamespace="Mips64" in { + def LDXC164 : LWXC1_FT<"ldxc1", FGR64, CPURegs, IILoad, load>, LWXC1_FM<1>; + def SDXC164 : SWXC1_FT<"sdxc1", FGR64, CPURegs, IIStore, store>, SWXC1_FM<9>; } -// LWC1 and SWC1 can always be emited with odd registers. -def LWC1 : FFI<0b110001, (outs FGR32:$ft), (ins mem:$addr), "lwc1 $ft, $addr", - [(set FGR32:$ft, (load addr:$addr))]>; -def SWC1 : FFI<0b111001, (outs), (ins FGR32:$ft, mem:$addr), "swc1 $ft, $addr", - [(store FGR32:$ft, addr:$addr)]>; +// n64 +let Predicates = [IsN64, HasStdEnc], isCodeGenOnly=1 in { + def LWXC1_P8 : LWXC1_FT<"lwxc1", FGR32, CPU64Regs, IILoad, load>, LWXC1_FM<0>; + def LDXC164_P8 : LWXC1_FT<"ldxc1", FGR64, CPU64Regs, IILoad, load>, + LWXC1_FM<1>; + def SWXC1_P8 : SWXC1_FT<"swxc1", FGR32, CPU64Regs, IIStore, store>, + SWXC1_FM<8>; + def SDXC164_P8 : SWXC1_FT<"sdxc1", FGR64, CPU64Regs, IIStore, store>, + SWXC1_FM<9>; +} -def LWC1A : FFI<0b110001, (outs AFGR32:$ft), (ins mem:$addr), "lwc1 $ft, $addr", - [(set AFGR32:$ft, (load addr:$addr))]>; -def SWC1A : FFI<0b111001, (outs), (ins AFGR32:$ft, mem:$addr), - "swc1 $ft, $addr", [(store AFGR32:$ft, addr:$addr)]>; +// 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 -defm FADD : FFR1_4<0x10, "add", fadd>; -defm FDIV : FFR1_4<0x03, "div", fdiv>; -defm FMUL : FFR1_4<0x02, "mul", fmul>; -defm FSUB : FFR1_4<0x01, "sub", fsub>; +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. +// 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)>; -def MIPS_BRANCH_FL : PatLeaf<(i32 2)>; -def MIPS_BRANCH_TL : PatLeaf<(i32 3)>; -/// Floating Point Branch of False/True (Likely) -let isBranch=1, isTerminator=1, hasDelaySlot=1, base=0x8, Uses=[FCR31] in { - class FBRANCH : FFI<0x11, (outs), - (ins brtarget:$dst), !strconcat(asmstr, " $dst"), - [(MipsFPBrcond op, bb:$dst, FCR31)]>; +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>; } -def BC1F : FBRANCH; -def BC1T : FBRANCH; -def BC1FL : FBRANCH; -def BC1TL : FBRANCH; - //===----------------------------------------------------------------------===// // Floating Point Flag Conditions //===----------------------------------------------------------------------===// -// Mips condition codes. They must correspond to condcode in MipsInstrInfo.h. +// 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_EQ : PatLeaf<(i32 2)>; +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)>; @@ -273,69 +437,93 @@ def MIPS_FCOND_LE : PatLeaf<(i32 14)>; def MIPS_FCOND_NGT : PatLeaf<(i32 15)>; /// Floating Point Compare -let hasDelaySlot = 1, Defs=[FCR31] in { - def FCMP_SO32 : FCC<0x0, (outs), (ins FGR32:$fs, FGR32:$ft, condcode:$cc), - "c.$cc.s $fs, $ft", [(MipsFPCmp FGR32:$fs, FGR32:$ft, imm:$cc), - (implicit FCR31)]>, Requires<[IsSingleFloat]>; - - def FCMP_AS32 : FCC<0x0, (outs), (ins AFGR32:$fs, AFGR32:$ft, condcode:$cc), - "c.$cc.s $fs, $ft", [(MipsFPCmp AFGR32:$fs, AFGR32:$ft, imm:$cc), - (implicit FCR31)]>, Requires<[In32BitMode]>; - - def FCMP_D32 : FCC<0x1, (outs), (ins AFGR64:$fs, AFGR64:$ft, condcode:$cc), - "c.$cc.d $fs, $ft", [(MipsFPCmp AFGR64:$fs, AFGR64:$ft, imm:$cc), - (implicit FCR31)]>, Requires<[In32BitMode]>; -} +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 //===----------------------------------------------------------------------===// - -// For some explanation, see Select_CC at MipsInstrInfo.td. We also embedd a -// condiciton code to enable easy handling by the Custom Inserter. -let usesCustomDAGSchedInserter = 1, Uses=[FCR31] in { - class PseudoFPSelCC : - MipsPseudo<(outs RC:$dst), - (ins CPURegs:$CmpRes, RC:$T, RC:$F, condcode:$cc), asmstr, - [(set RC:$dst, (MipsFPSelectCC CPURegs:$CmpRes, RC:$T, RC:$F, - imm:$cc))]>; -} - -// The values to be selected are fp but the condition test is with integers. -def Select_CC_SO32 : PseudoSelCC, - Requires<[IsSingleFloat]>; -def Select_CC_AS32 : PseudoSelCC, - Requires<[In32BitMode]>; -def Select_CC_D32 : PseudoSelCC, - Requires<[In32BitMode]>; - -// The values to be selected are int but the condition test is done with fp. -def Select_FCC : PseudoFPSelCC; - -// The values to be selected and the condition test is done with fp. -def Select_FCC_SO32 : PseudoFPSelCC, - Requires<[IsSingleFloat]>; -def Select_FCC_AS32 : PseudoFPSelCC, - Requires<[In32BitMode]>; -def Select_FCC_D32 : PseudoFPSelCC, - Requires<[In32BitMode]>; - +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 fpimm0 : PatLeaf<(fpimm), [{ - return N->isExactlyValue(+0.0); -}]>; +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)>; +} -def : Pat<(f32 fpimm0), (MTC1 ZERO)>, Requires<[IsSingleFloat]>; -def : Pat<(f32 fpimm0), (MTC1A ZERO)>, Requires<[In32BitMode]>; +// Patterns for loads/stores with a reg+imm operand. +let AddedComplexity = 40 in { + let Predicates = [IsN64, HasStdEnc] in { + def : LoadRegImmPat; + def : StoreRegImmPat; + def : LoadRegImmPat; + def : StoreRegImmPat; + } -def : Pat<(f32 (sint_to_fp CPURegs:$src)), (CVTS_W32 (MTC1 CPURegs:$src))>; -def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVTD_W32 (MTC1 CPURegs:$src))>; + let Predicates = [NotN64, HasStdEnc] in { + def : LoadRegImmPat; + def : StoreRegImmPat; + } -def : Pat<(i32 (fp_to_sint FGR32:$src)), (MFC1 (TRUNC_W_SO32 FGR32:$src))>; -def : Pat<(i32 (fp_to_sint AFGR32:$src)), (MFC1A (TRUNC_W_AS32 AFGR32:$src))>; + let Predicates = [NotN64, HasMips64, HasStdEnc] in { + def : LoadRegImmPat; + def : StoreRegImmPat; + } -def : Pat<(i32 (bitconvert FGR32:$src)), (MFC1 FGR32:$src)>; -def : Pat<(i32 (bitconvert AFGR32:$src)), (MFC1A AFGR32:$src)>; + let Predicates = [NotN64, NotMips64, HasStdEnc] in { + def : LoadRegImmPat; + def : StoreRegImmPat; + } +}