diff options
Diffstat (limited to 'lib/Target/Mips/MipsInstrFPU.td')
-rw-r--r-- | lib/Target/Mips/MipsInstrFPU.td | 113 |
1 files changed, 43 insertions, 70 deletions
diff --git a/lib/Target/Mips/MipsInstrFPU.td b/lib/Target/Mips/MipsInstrFPU.td index ed97cb4619232..cb912253b28c4 100644 --- a/lib/Target/Mips/MipsInstrFPU.td +++ b/lib/Target/Mips/MipsInstrFPU.td @@ -65,6 +65,8 @@ def IsSingleFloat : Predicate<"Subtarget->isSingleFloat()">, AssemblerPredicate<"FeatureSingleFloat">; def IsNotSingleFloat : Predicate<"!Subtarget->isSingleFloat()">, AssemblerPredicate<"!FeatureSingleFloat">; +def IsNotSoftFloat : Predicate<"!Subtarget->useSoftFloat()">, + AssemblerPredicate<"!FeatureSoftFloat">; //===----------------------------------------------------------------------===// // Mips FGR size adjectives. @@ -73,6 +75,7 @@ def IsNotSingleFloat : Predicate<"!Subtarget->isSingleFloat()">, class FGR_32 { list<Predicate> FGRPredicates = [NotFP64bit]; } class FGR_64 { list<Predicate> FGRPredicates = [IsFP64bit]; } +class HARDFLOAT { list<Predicate> HardFloatPredicate = [IsNotSoftFloat]; } //===----------------------------------------------------------------------===// @@ -98,22 +101,19 @@ def fpimm0neg : PatLeaf<(fpimm), [{ // // Only S32 and D32 are supported right now. //===----------------------------------------------------------------------===// - class ADDS_FT<string opstr, RegisterOperand 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, opstr> { + [(set RC:$fd, (OpNode RC:$fs, RC:$ft))], Itin, FrmFR, opstr>, + HARDFLOAT { let isCommutable = IsComm; } multiclass ADDS_M<string opstr, InstrItinClass Itin, bit IsComm, SDPatternOperator OpNode = null_frag> { - def _D32 : MMRel, ADDS_FT<opstr, AFGR64Opnd, Itin, IsComm, OpNode>, - AdditionalRequires<[NotFP64bit]>; - def _D64 : ADDS_FT<opstr, FGR64Opnd, Itin, - IsComm, OpNode>, - AdditionalRequires<[IsFP64bit]> { + def _D32 : MMRel, ADDS_FT<opstr, AFGR64Opnd, Itin, IsComm, OpNode>, FGR_32; + def _D64 : ADDS_FT<opstr, FGR64Opnd, Itin, IsComm, OpNode>, FGR_64 { string DecoderNamespace = "Mips64"; } } @@ -122,23 +122,21 @@ class ABSS_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC, InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : InstSE<(outs DstRC:$fd), (ins SrcRC:$fs), !strconcat(opstr, "\t$fd, $fs"), [(set DstRC:$fd, (OpNode SrcRC:$fs))], Itin, FrmFR, opstr>, + HARDFLOAT, NeverHasSideEffects; multiclass ABSS_M<string opstr, InstrItinClass Itin, SDPatternOperator OpNode= null_frag> { def _D32 : MMRel, ABSS_FT<opstr, AFGR64Opnd, AFGR64Opnd, Itin, OpNode>, - AdditionalRequires<[NotFP64bit]>; - def _D64 : ABSS_FT<opstr, FGR64Opnd, FGR64Opnd, Itin, OpNode>, - AdditionalRequires<[IsFP64bit]> { + FGR_32; + def _D64 : ABSS_FT<opstr, FGR64Opnd, FGR64Opnd, Itin, OpNode>, FGR_64 { string DecoderNamespace = "Mips64"; } } multiclass ROUND_M<string opstr, InstrItinClass Itin> { - def _D32 : MMRel, ABSS_FT<opstr, FGR32Opnd, AFGR64Opnd, Itin>, - AdditionalRequires<[NotFP64bit]>; - def _D64 : ABSS_FT<opstr, FGR32Opnd, FGR64Opnd, Itin>, - AdditionalRequires<[IsFP64bit]> { + def _D32 : MMRel, ABSS_FT<opstr, FGR32Opnd, AFGR64Opnd, Itin>, FGR_32; + def _D64 : ABSS_FT<opstr, FGR32Opnd, FGR64Opnd, Itin>, FGR_64 { let DecoderNamespace = "Mips64"; } } @@ -146,17 +144,17 @@ multiclass ROUND_M<string opstr, InstrItinClass Itin> { class MFC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC, InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"), - [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR, opstr>; + [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR, opstr>, HARDFLOAT; class MTC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC, InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"), - [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR, opstr>; + [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR, opstr>, HARDFLOAT; class MTC1_64_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC, InstrItinClass Itin> : InstSE<(outs DstRC:$fs), (ins DstRC:$fs_in, SrcRC:$rt), - !strconcat(opstr, "\t$rt, $fs"), [], Itin, FrmFR, opstr> { + !strconcat(opstr, "\t$rt, $fs"), [], Itin, FrmFR, opstr>, HARDFLOAT { // $fs_in is part of a white lie to work around a widespread bug in the FPU // implementation. See expandBuildPairF64 for details. let Constraints = "$fs = $fs_in"; @@ -165,7 +163,8 @@ class MTC1_64_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC, class LW_FT<string opstr, RegisterOperand RC, InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"), - [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> { + [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr>, + HARDFLOAT { let DecoderMethod = "DecodeFMem"; let mayLoad = 1; } @@ -173,7 +172,7 @@ class LW_FT<string opstr, RegisterOperand RC, InstrItinClass Itin, class SW_FT<string opstr, RegisterOperand RC, InstrItinClass Itin, SDPatternOperator OpNode= null_frag> : InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"), - [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> { + [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr>, HARDFLOAT { let DecoderMethod = "DecodeFMem"; let mayStore = 1; } @@ -183,21 +182,21 @@ class MADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin, InstSE<(outs RC:$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:$fr))], Itin, - FrmFR, opstr>; + FrmFR, opstr>, HARDFLOAT; class NMADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin, SDPatternOperator OpNode = null_frag> : InstSE<(outs RC:$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:$fr)))], - Itin, FrmFR, opstr>; + Itin, FrmFR, opstr>, HARDFLOAT; class LWXC1_FT<string opstr, RegisterOperand DRC, InstrItinClass Itin, SDPatternOperator OpNode = null_frag> : InstSE<(outs DRC:$fd), (ins PtrRC:$base, PtrRC:$index), !strconcat(opstr, "\t$fd, ${index}(${base})"), [(set DRC:$fd, (OpNode (add iPTR:$base, iPTR:$index)))], Itin, - FrmFI, opstr> { + FrmFI, opstr>, HARDFLOAT { let AddedComplexity = 20; } @@ -206,7 +205,7 @@ class SWXC1_FT<string opstr, RegisterOperand DRC, InstSE<(outs), (ins DRC:$fs, PtrRC:$base, PtrRC:$index), !strconcat(opstr, "\t$fs, ${index}(${base})"), [(OpNode DRC:$fs, (add iPTR:$base, iPTR:$index))], Itin, - FrmFI, opstr> { + FrmFI, opstr>, HARDFLOAT { let AddedComplexity = 20; } @@ -215,7 +214,7 @@ class BC1F_FT<string opstr, DAGOperand opnd, InstrItinClass Itin, InstSE<(outs), (ins FCCRegsOpnd:$fcc, opnd:$offset), !strconcat(opstr, "\t$fcc, $offset"), [(MipsFPBrcond Op, FCCRegsOpnd:$fcc, bb:$offset)], Itin, - FrmFI, opstr> { + FrmFI, opstr>, HARDFLOAT { let isBranch = 1; let isTerminator = 1; let hasDelaySlot = DelaySlot; @@ -227,7 +226,7 @@ class CEQS_FT<string typestr, RegisterClass RC, InstrItinClass Itin, InstSE<(outs), (ins RC:$fs, RC:$ft, condcode:$cond), !strconcat("c.$cond.", typestr, "\t$fs, $ft"), [(OpNode RC:$fs, RC:$ft, imm:$cond)], Itin, FrmFR, - !strconcat("c.$cond.", typestr)> { + !strconcat("c.$cond.", typestr)>, HARDFLOAT { let Defs = [FCC0]; let isCodeGenOnly = 1; } @@ -236,7 +235,7 @@ class C_COND_FT<string CondStr, string Typestr, RegisterOperand RC, InstrItinClass itin> : InstSE<(outs), (ins RC:$fs, RC:$ft), !strconcat("c.", CondStr, ".", Typestr, "\t$fs, $ft"), [], itin, - FrmFR>; + FrmFR>, HARDFLOAT; multiclass C_COND_M<string TypeStr, RegisterOperand RC, bits<5> fmt, InstrItinClass itin> { @@ -260,10 +259,10 @@ multiclass C_COND_M<string TypeStr, RegisterOperand RC, bits<5> fmt, defm S : C_COND_M<"s", FGR32Opnd, 16, II_C_CC_S>, ISA_MIPS1_NOT_32R6_64R6; defm D32 : C_COND_M<"d", AFGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6, - AdditionalRequires<[NotFP64bit]>; + FGR_32; let DecoderNamespace = "Mips64" in defm D64 : C_COND_M<"d", FGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6, - AdditionalRequires<[IsFP64bit]>; + FGR_64; //===----------------------------------------------------------------------===// // Floating Point Instructions @@ -363,15 +362,15 @@ def MFC1 : MMRel, MFC1_FT<"mfc1", GPR32Opnd, FGR32Opnd, II_MFC1, def MTC1 : MMRel, MTC1_FT<"mtc1", FGR32Opnd, GPR32Opnd, II_MTC1, bitconvert>, MFC1_FM<4>; def MFHC1_D32 : MMRel, MFC1_FT<"mfhc1", GPR32Opnd, AFGR64Opnd, II_MFHC1>, - MFC1_FM<3>, ISA_MIPS32R2, AdditionalRequires<[NotFP64bit]>; + MFC1_FM<3>, ISA_MIPS32R2, FGR_32; def MFHC1_D64 : MFC1_FT<"mfhc1", GPR32Opnd, FGR64Opnd, II_MFHC1>, - MFC1_FM<3>, ISA_MIPS32R2, AdditionalRequires<[IsFP64bit]> { + MFC1_FM<3>, ISA_MIPS32R2, FGR_64 { let DecoderNamespace = "Mips64"; } def MTHC1_D32 : MMRel, MTC1_64_FT<"mthc1", AFGR64Opnd, GPR32Opnd, II_MTHC1>, - MFC1_FM<7>, ISA_MIPS32R2, AdditionalRequires<[NotFP64bit]>; + MFC1_FM<7>, ISA_MIPS32R2, FGR_32; def MTHC1_D64 : MTC1_64_FT<"mthc1", FGR64Opnd, GPR32Opnd, II_MTHC1>, - MFC1_FM<7>, ISA_MIPS32R2, AdditionalRequires<[IsFP64bit]> { + MFC1_FM<7>, ISA_MIPS32R2, FGR_64 { let DecoderNamespace = "Mips64"; } def DMFC1 : MFC1_FT<"dmfc1", GPR64Opnd, FGR64Opnd, II_DMFC1, @@ -382,9 +381,9 @@ def DMTC1 : MTC1_FT<"dmtc1", FGR64Opnd, GPR64Opnd, II_DMTC1, def FMOV_S : MMRel, ABSS_FT<"mov.s", FGR32Opnd, FGR32Opnd, II_MOV_S>, ABSS_FM<0x6, 16>; def FMOV_D32 : MMRel, ABSS_FT<"mov.d", AFGR64Opnd, AFGR64Opnd, II_MOV_D>, - ABSS_FM<0x6, 17>, AdditionalRequires<[NotFP64bit]>; + ABSS_FM<0x6, 17>, FGR_32; def FMOV_D64 : ABSS_FT<"mov.d", FGR64Opnd, FGR64Opnd, II_MOV_D>, - ABSS_FM<0x6, 17>, AdditionalRequires<[IsFP64bit]> { + ABSS_FM<0x6, 17>, FGR_64 { let DecoderNamespace = "Mips64"; } @@ -513,36 +512,14 @@ def BC1T : MMRel, BC1F_FT<"bc1t", brtarget, IIBranch, MIPS_BRANCH_T>, def BC1TL : MMRel, BC1F_FT<"bc1tl", brtarget, IIBranch, MIPS_BRANCH_T, 0>, BC1F_FM<1, 1>, ISA_MIPS2_NOT_32R6_64R6; -//===----------------------------------------------------------------------===// -// 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 : MMRel, CEQS_FT<"s", FGR32, II_C_CC_S, MipsFPCmp>, CEQS_FM<16>, ISA_MIPS1_NOT_32R6_64R6; def FCMP_D32 : MMRel, CEQS_FT<"d", AFGR64, II_C_CC_D, MipsFPCmp>, CEQS_FM<17>, - ISA_MIPS1_NOT_32R6_64R6, AdditionalRequires<[NotFP64bit]>; + ISA_MIPS1_NOT_32R6_64R6, FGR_32; let DecoderNamespace = "Mips64" in def FCMP_D64 : CEQS_FT<"d", FGR64, II_C_CC_D, MipsFPCmp>, CEQS_FM<17>, - ISA_MIPS1_NOT_32R6_64R6, AdditionalRequires<[IsFP64bit]>; + ISA_MIPS1_NOT_32R6_64R6, FGR_64; //===----------------------------------------------------------------------===// // Floating Point Pseudo-Instructions @@ -554,10 +531,8 @@ class BuildPairF64Base<RegisterOperand RO> : PseudoSE<(outs RO:$dst), (ins GPR32Opnd:$lo, GPR32Opnd:$hi), [(set RO:$dst, (MipsBuildPairF64 GPR32Opnd:$lo, GPR32Opnd:$hi))]>; -def BuildPairF64 : BuildPairF64Base<AFGR64Opnd>, - AdditionalRequires<[NotFP64bit]>; -def BuildPairF64_64 : BuildPairF64Base<FGR64Opnd>, - AdditionalRequires<[IsFP64bit]>; +def BuildPairF64 : BuildPairF64Base<AFGR64Opnd>, FGR_32, HARDFLOAT; +def BuildPairF64_64 : BuildPairF64Base<FGR64Opnd>, FGR_64, HARDFLOAT; // This pseudo instr gets expanded into 2 mfc1 instrs after register // allocation. @@ -567,22 +542,20 @@ class ExtractElementF64Base<RegisterOperand RO> : PseudoSE<(outs GPR32Opnd:$dst), (ins RO:$src, i32imm:$n), [(set GPR32Opnd:$dst, (MipsExtractElementF64 RO:$src, imm:$n))]>; -def ExtractElementF64 : ExtractElementF64Base<AFGR64Opnd>, - AdditionalRequires<[NotFP64bit]>; -def ExtractElementF64_64 : ExtractElementF64Base<FGR64Opnd>, - AdditionalRequires<[IsFP64bit]>; +def ExtractElementF64 : ExtractElementF64Base<AFGR64Opnd>, FGR_32, HARDFLOAT; +def ExtractElementF64_64 : ExtractElementF64Base<FGR64Opnd>, FGR_64, HARDFLOAT; //===----------------------------------------------------------------------===// // InstAliases. //===----------------------------------------------------------------------===// def : MipsInstAlias<"bc1t $offset", (BC1T FCC0, brtarget:$offset)>, - ISA_MIPS1_NOT_32R6_64R6; + ISA_MIPS1_NOT_32R6_64R6, HARDFLOAT; def : MipsInstAlias<"bc1tl $offset", (BC1TL FCC0, brtarget:$offset)>, - ISA_MIPS2_NOT_32R6_64R6; + ISA_MIPS2_NOT_32R6_64R6, HARDFLOAT; def : MipsInstAlias<"bc1f $offset", (BC1F FCC0, brtarget:$offset)>, - ISA_MIPS1_NOT_32R6_64R6; + ISA_MIPS1_NOT_32R6_64R6, HARDFLOAT; def : MipsInstAlias<"bc1fl $offset", (BC1FL FCC0, brtarget:$offset)>, - ISA_MIPS2_NOT_32R6_64R6; + ISA_MIPS2_NOT_32R6_64R6, HARDFLOAT; //===----------------------------------------------------------------------===// // Floating Point Patterns |