diff options
Diffstat (limited to 'lib/Target/Mips/MipsInstrFPU.td')
| -rw-r--r-- | lib/Target/Mips/MipsInstrFPU.td | 211 |
1 files changed, 179 insertions, 32 deletions
diff --git a/lib/Target/Mips/MipsInstrFPU.td b/lib/Target/Mips/MipsInstrFPU.td index ab7aa9dcdcae..df42d56d041b 100644 --- a/lib/Target/Mips/MipsInstrFPU.td +++ b/lib/Target/Mips/MipsInstrFPU.td @@ -219,6 +219,7 @@ class BC1F_FT<string opstr, DAGOperand opnd, InstrItinClass Itin, let isTerminator = 1; let hasDelaySlot = DelaySlot; let Defs = [AT]; + let hasFCCRegOperand = 1; } class CEQS_FT<string typestr, RegisterClass RC, InstrItinClass Itin, @@ -229,41 +230,106 @@ class CEQS_FT<string typestr, RegisterClass RC, InstrItinClass Itin, !strconcat("c.$cond.", typestr)>, HARDFLOAT { let Defs = [FCC0]; let isCodeGenOnly = 1; + let hasFCCRegOperand = 1; } + +// Note: MIPS-IV introduced $fcc1-$fcc7 and renamed FCSR31[23] $fcc0. Rather +// duplicating the instruction definition for MIPS1 - MIPS3, we expand +// c.cond.ft if necessary, and reject it after constructing the +// instruction if the ISA doesn't support it. class C_COND_FT<string CondStr, string Typestr, RegisterOperand RC, InstrItinClass itin> : - InstSE<(outs), (ins RC:$fs, RC:$ft), - !strconcat("c.", CondStr, ".", Typestr, "\t$fs, $ft"), [], itin, - FrmFR>, HARDFLOAT; + InstSE<(outs FCCRegsOpnd:$fcc), (ins RC:$fs, RC:$ft), + !strconcat("c.", CondStr, ".", Typestr, "\t$fcc, $fs, $ft"), [], itin, + FrmFR>, HARDFLOAT { + let isCompare = 1; + let hasFCCRegOperand = 1; +} + multiclass C_COND_M<string TypeStr, RegisterOperand RC, bits<5> fmt, InstrItinClass itin> { - def C_F_#NAME : C_COND_FT<"f", TypeStr, RC, itin>, C_COND_FM<fmt, 0>; - def C_UN_#NAME : C_COND_FT<"un", TypeStr, RC, itin>, C_COND_FM<fmt, 1>; - def C_EQ_#NAME : C_COND_FT<"eq", TypeStr, RC, itin>, C_COND_FM<fmt, 2>; - def C_UEQ_#NAME : C_COND_FT<"ueq", TypeStr, RC, itin>, C_COND_FM<fmt, 3>; - def C_OLT_#NAME : C_COND_FT<"olt", TypeStr, RC, itin>, C_COND_FM<fmt, 4>; - def C_ULT_#NAME : C_COND_FT<"ult", TypeStr, RC, itin>, C_COND_FM<fmt, 5>; - def C_OLE_#NAME : C_COND_FT<"ole", TypeStr, RC, itin>, C_COND_FM<fmt, 6>; - def C_ULE_#NAME : C_COND_FT<"ule", TypeStr, RC, itin>, C_COND_FM<fmt, 7>; - def C_SF_#NAME : C_COND_FT<"sf", TypeStr, RC, itin>, C_COND_FM<fmt, 8>; - def C_NGLE_#NAME : C_COND_FT<"ngle", TypeStr, RC, itin>, C_COND_FM<fmt, 9>; - def C_SEQ_#NAME : C_COND_FT<"seq", TypeStr, RC, itin>, C_COND_FM<fmt, 10>; - def C_NGL_#NAME : C_COND_FT<"ngl", TypeStr, RC, itin>, C_COND_FM<fmt, 11>; - def C_LT_#NAME : C_COND_FT<"lt", TypeStr, RC, itin>, C_COND_FM<fmt, 12>; - def C_NGE_#NAME : C_COND_FT<"nge", TypeStr, RC, itin>, C_COND_FM<fmt, 13>; - def C_LE_#NAME : C_COND_FT<"le", TypeStr, RC, itin>, C_COND_FM<fmt, 14>; - def C_NGT_#NAME : C_COND_FT<"ngt", TypeStr, RC, itin>, C_COND_FM<fmt, 15>; + def C_F_#NAME : MMRel, C_COND_FT<"f", TypeStr, RC, itin>, + C_COND_FM<fmt, 0> { + let BaseOpcode = "c.f."#NAME; + let isCommutable = 1; + } + def C_UN_#NAME : MMRel, C_COND_FT<"un", TypeStr, RC, itin>, + C_COND_FM<fmt, 1> { + let BaseOpcode = "c.un."#NAME; + let isCommutable = 1; + } + def C_EQ_#NAME : MMRel, C_COND_FT<"eq", TypeStr, RC, itin>, + C_COND_FM<fmt, 2> { + let BaseOpcode = "c.eq."#NAME; + let isCommutable = 1; + } + def C_UEQ_#NAME : MMRel, C_COND_FT<"ueq", TypeStr, RC, itin>, + C_COND_FM<fmt, 3> { + let BaseOpcode = "c.ueq."#NAME; + let isCommutable = 1; + } + def C_OLT_#NAME : MMRel, C_COND_FT<"olt", TypeStr, RC, itin>, + C_COND_FM<fmt, 4> { + let BaseOpcode = "c.olt."#NAME; + } + def C_ULT_#NAME : MMRel, C_COND_FT<"ult", TypeStr, RC, itin>, + C_COND_FM<fmt, 5> { + let BaseOpcode = "c.ult."#NAME; + } + def C_OLE_#NAME : MMRel, C_COND_FT<"ole", TypeStr, RC, itin>, + C_COND_FM<fmt, 6> { + let BaseOpcode = "c.ole."#NAME; + } + def C_ULE_#NAME : MMRel, C_COND_FT<"ule", TypeStr, RC, itin>, + C_COND_FM<fmt, 7> { + let BaseOpcode = "c.ule."#NAME; + } + def C_SF_#NAME : MMRel, C_COND_FT<"sf", TypeStr, RC, itin>, + C_COND_FM<fmt, 8> { + let BaseOpcode = "c.sf."#NAME; + let isCommutable = 1; + } + def C_NGLE_#NAME : MMRel, C_COND_FT<"ngle", TypeStr, RC, itin>, + C_COND_FM<fmt, 9> { + let BaseOpcode = "c.ngle."#NAME; + } + def C_SEQ_#NAME : MMRel, C_COND_FT<"seq", TypeStr, RC, itin>, + C_COND_FM<fmt, 10> { + let BaseOpcode = "c.seq."#NAME; + let isCommutable = 1; + } + def C_NGL_#NAME : MMRel, C_COND_FT<"ngl", TypeStr, RC, itin>, + C_COND_FM<fmt, 11> { + let BaseOpcode = "c.ngl."#NAME; + } + def C_LT_#NAME : MMRel, C_COND_FT<"lt", TypeStr, RC, itin>, + C_COND_FM<fmt, 12> { + let BaseOpcode = "c.lt."#NAME; + } + def C_NGE_#NAME : MMRel, C_COND_FT<"nge", TypeStr, RC, itin>, + C_COND_FM<fmt, 13> { + let BaseOpcode = "c.nge."#NAME; + } + def C_LE_#NAME : MMRel, C_COND_FT<"le", TypeStr, RC, itin>, + C_COND_FM<fmt, 14> { + let BaseOpcode = "c.le."#NAME; + } + def C_NGT_#NAME : MMRel, C_COND_FT<"ngt", TypeStr, RC, itin>, + C_COND_FM<fmt, 15> { + let BaseOpcode = "c.ngt."#NAME; + } } +let AdditionalPredicates = [NotInMicroMips] in { 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, FGR_32; let DecoderNamespace = "Mips64" in defm D64 : C_COND_M<"d", FGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6, FGR_64; - +} //===----------------------------------------------------------------------===// // Floating Point Instructions //===----------------------------------------------------------------------===// @@ -549,13 +615,29 @@ def BC1TL : MMRel, BC1F_FT<"bc1tl", brtarget, II_BC1TL, MIPS_BRANCH_T, 0>, /// Floating Point Compare let AdditionalPredicates = [NotInMicroMips] in { def FCMP_S32 : MMRel, CEQS_FT<"s", FGR32, II_C_CC_S, MipsFPCmp>, CEQS_FM<16>, - ISA_MIPS1_NOT_32R6_64R6; + ISA_MIPS1_NOT_32R6_64R6 { + + // FIXME: This is a required to work around the fact that these instructions + // only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the + // fcc register set is used directly. + bits<3> fcc = 0; + } def FCMP_D32 : MMRel, CEQS_FT<"d", AFGR64, II_C_CC_D, MipsFPCmp>, CEQS_FM<17>, - ISA_MIPS1_NOT_32R6_64R6, FGR_32; + ISA_MIPS1_NOT_32R6_64R6, FGR_32 { + // FIXME: This is a required to work around the fact that these instructions + // only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the + // fcc register set is used directly. + bits<3> fcc = 0; + } } let DecoderNamespace = "Mips64" in def FCMP_D64 : CEQS_FT<"d", FGR64, II_C_CC_D, MipsFPCmp>, CEQS_FM<17>, - ISA_MIPS1_NOT_32R6_64R6, FGR_64; + ISA_MIPS1_NOT_32R6_64R6, FGR_64 { + // FIXME: This is a required to work around the fact that thiese instructions + // only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the + // fcc register set is used directly. + bits<3> fcc = 0; +} //===----------------------------------------------------------------------===// // Floating Point Pseudo-Instructions @@ -602,15 +684,6 @@ def PseudoTRUNC_W_D : MipsAsmPseudoInst<(outs FGR32Opnd:$fd), //===----------------------------------------------------------------------===// // InstAliases. //===----------------------------------------------------------------------===// -def : MipsInstAlias<"bc1t $offset", (BC1T FCC0, brtarget:$offset)>, - ISA_MIPS1_NOT_32R6_64R6, HARDFLOAT; -def : MipsInstAlias<"bc1tl $offset", (BC1TL FCC0, brtarget:$offset)>, - ISA_MIPS2_NOT_32R6_64R6, HARDFLOAT; -def : MipsInstAlias<"bc1f $offset", (BC1F FCC0, brtarget:$offset)>, - ISA_MIPS1_NOT_32R6_64R6, HARDFLOAT; -def : MipsInstAlias<"bc1fl $offset", (BC1FL FCC0, brtarget:$offset)>, - ISA_MIPS2_NOT_32R6_64R6, HARDFLOAT; - def : MipsInstAlias <"s.s $fd, $addr", (SWC1 FGR32Opnd:$fd, mem_simm16:$addr), 0>, ISA_MIPS2, HARDFLOAT; @@ -630,6 +703,80 @@ def : MipsInstAlias def : MipsInstAlias <"l.d $fd, $addr", (LDC164 FGR64Opnd:$fd, mem_simm16:$addr), 0>, FGR_64, ISA_MIPS2, HARDFLOAT; + +multiclass C_COND_ALIASES<string TypeStr, RegisterOperand RC> { + def : MipsInstAlias<!strconcat("c.f.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_F_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.un.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_UN_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.eq.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_EQ_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.ueq.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_UEQ_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.olt.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_OLT_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.ult.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_ULT_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.ole.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_OLE_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.ule.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_ULE_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.sf.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_SF_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.ngle.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_NGLE_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.seq.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_SEQ_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.ngl.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_NGL_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.lt.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_LT_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.nge.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_NGE_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.le.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_LE_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; + def : MipsInstAlias<!strconcat("c.ngt.", TypeStr, " $fs, $ft"), + (!cast<Instruction>("C_NGT_"#NAME) FCC0, + RC:$fs, RC:$ft), 1>; +} + +multiclass BC1_ALIASES<Instruction BCTrue, string BCTrueString, + Instruction BCFalse, string BCFalseString> { + def : MipsInstAlias<!strconcat(BCTrueString, " $offset"), + (BCTrue FCC0, brtarget:$offset), 1>; + + def : MipsInstAlias<!strconcat(BCFalseString, " $offset"), + (BCFalse FCC0, brtarget:$offset), 1>; +} + +let AdditionalPredicates = [NotInMicroMips] in { + defm S : C_COND_ALIASES<"s", FGR32Opnd>, HARDFLOAT, + ISA_MIPS1_NOT_32R6_64R6; + defm D32 : C_COND_ALIASES<"d", AFGR64Opnd>, HARDFLOAT, + ISA_MIPS1_NOT_32R6_64R6, FGR_32; + defm D64 : C_COND_ALIASES<"d", FGR64Opnd>, HARDFLOAT, + ISA_MIPS1_NOT_32R6_64R6, FGR_64; + + defm : BC1_ALIASES<BC1T, "bc1t", BC1F, "bc1f">, ISA_MIPS1_NOT_32R6_64R6, + HARDFLOAT; + defm : BC1_ALIASES<BC1TL, "bc1tl", BC1FL, "bc1fl">, ISA_MIPS2_NOT_32R6_64R6, + HARDFLOAT; +} //===----------------------------------------------------------------------===// // Floating Point Patterns //===----------------------------------------------------------------------===// |