-//===- MipsInstrFPU.td - Mips FPU Instruction Information -------*- C++ -*-===//
+//===-- MipsInstrFPU.td - Mips FPU Instruction Information -*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
//
-// This file contains the Mips implementation of the TargetInstrInfo class.
+// This file describes the Mips FPU instruction set.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// 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 MipsFPRound : SDNode<"MipsISD::FPRound", SDTFPRoundOp, [SDNPOptInFlag]>;
-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_MipsTruncIntFP : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>;
+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 MipsTruncIntFP : SDNode<"MipsISD::TruncIntFP", SDT_MipsTruncIntFP>;
+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<i32>;
//===----------------------------------------------------------------------===//
// Feature predicates.
//===----------------------------------------------------------------------===//
-def In32BitMode : 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 the register usage.
+// 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
// Only S32 and D32 are supported right now.
//===----------------------------------------------------------------------===//
-multiclass FFR1_1<bits<6> funct, string asmstr>
-{
- def _S32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd), (ins FGR32:$fs),
- !strconcat(asmstr, ".s $fd, $fs"), []>;
+class ADDS_FT<string opstr, RegisterClass RC, InstrItinClass Itin, bit IsComm,
+ SDPatternOperator OpNode= null_frag> :
+ InstSE<(outs RC:$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:$fs))], Itin, FrmFR>,
+ NeverHasSideEffects;
+
+multiclass ABSS_M<string opstr, InstrItinClass Itin,
+ SDPatternOperator OpNode= null_frag> {
+ def _D32 : ABSS_FT<opstr, AFGR64, AFGR64, Itin, OpNode>,
+ Requires<[NotFP64bit, HasStdEnc]>;
+ def _D64 : ABSS_FT<opstr, FGR64, FGR64, Itin, OpNode>,
+ Requires<[IsFP64bit, HasStdEnc]> {
+ string DecoderNamespace = "Mips64";
+ }
+}
- def _D32 : FFR<0x11, funct, 0x1, (outs FGR32:$fd), (ins AFGR64:$fs),
- !strconcat(asmstr, ".d $fd, $fs"), []>, Requires<[In32BitMode]>;
+multiclass ROUND_M<string opstr, InstrItinClass Itin> {
+ def _D32 : ABSS_FT<opstr, FGR32, AFGR64, Itin>,
+ Requires<[NotFP64bit, HasStdEnc]>;
+ def _D64 : ABSS_FT<opstr, FGR32, FGR64, Itin>,
+ Requires<[IsFP64bit, HasStdEnc]> {
+ let DecoderNamespace = "Mips64";
+ }
}
-multiclass FFR1_2<bits<6> funct, string asmstr, SDNode FOp>
-{
- def _S32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd), (ins FGR32:$fs),
- !strconcat(asmstr, ".s $fd, $fs"),
- [(set FGR32:$fd, (FOp FGR32:$fs))]>;
+class MFC1_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC,
+ InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
+ InstSE<(outs DstRC:$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:$addr))], Itin, FrmFI> {
+ let DecoderMethod = "DecodeFMem";
+ let mayLoad = 1;
+}
- def _D32 : FFR<0x11, funct, 0x1, (outs AFGR64:$fd), (ins AFGR64:$fs),
- !strconcat(asmstr, ".d $fd, $fs"),
- [(set AFGR64:$fd, (FOp AFGR64:$fs))]>, Requires<[In32BitMode]>;
+class SW_FT<string opstr, RegisterClass RC, InstrItinClass Itin,
+ Operand MemOpnd, SDPatternOperator OpNode= null_frag> :
+ InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI> {
+ let DecoderMethod = "DecodeFMem";
+ let mayStore = 1;
}
-class FFR1_3<bits<6> funct, bits<5> fmt, RegisterClass RcSrc,
- RegisterClass RcDst, string asmstr>:
- FFR<0x11, funct, fmt, (outs RcSrc:$fd), (ins RcDst:$fs),
- !strconcat(asmstr, " $fd, $fs"), []>;
+class MADDS_FT<string opstr, RegisterClass RC, InstrItinClass Itin,
+ SDPatternOperator OpNode = null_frag> :
+ InstSE<(outs RC:$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:$index))], Itin, FrmFI> {
+ let AddedComplexity = 20;
+}
-multiclass FFR1_4<bits<6> funct, string asmstr, SDNode FOp> {
- def _S32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd),
- (ins FGR32:$fs, FGR32:$ft),
- !strconcat(asmstr, ".s $fd, $fs, $ft"),
- [(set FGR32:$fd, (FOp FGR32:$fs, FGR32:$ft))]>;
+class BC1F_FT<string opstr, InstrItinClass Itin,
+ SDPatternOperator Op = null_frag> :
+ InstSE<(outs), (ins brtarget:$offset), !strconcat(opstr, "\t$offset"),
+ [(MipsFPBrcond Op, bb:$offset)], Itin, FrmFI> {
+ let isBranch = 1;
+ let isTerminator = 1;
+ let hasDelaySlot = 1;
+ let Defs = [AT];
+ let Uses = [FCR31];
+}
- def _D32 : FFR<0x11, funct, 0x1, (outs AFGR64:$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<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>;
+}
-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>;
-
- /// Convert to Single Precison
- def CVTS_W32 : FFR1_3<0b100000, 0x2, FGR32, FGR32, "cvt.s.w">;
-
- let Predicates = [IsNotSingleFloat] in {
- /// Ceil to long signed integer
- def CEIL_LS : FFR1_3<0b001010, 0x0, FGR32, FGR32, "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, FGR32, FGR32, "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, FGR32, FGR32, "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, FGR32, FGR32, "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, FGR32, FGR32, "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>;
+}
+
+let isPseudo = 1, isCodeGenOnly = 1 in {
+ def PseudoCVT_S_W : ABSS_FT<"", FGR32, CPURegs, IIFcvt>;
+ def PseudoCVT_D32_W : ABSS_FT<"", AFGR64, CPURegs, IIFcvt>;
+ def PseudoCVT_S_L : ABSS_FT<"", FGR64, CPU64Regs, IIFcvt>;
+ def PseudoCVT_D64_W : ABSS_FT<"", FGR64, CPURegs, IIFcvt>;
+ def PseudoCVT_D64_L : ABSS_FT<"", FGR64, CPU64Regs, IIFcvt>;
}
+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:$rt), (ins CCR:$fs),
- "cfc1 $rt, $fs", []>;
- def CTC1 : FFR<0x11, 0x0, 0x6, (outs CCR:$rt), (ins CPURegs:$fs),
- "ctc1 $fs, $rt", []>;
-
- def MFC1 : FFR<0x11, 0x00, 0x00, (outs CPURegs:$rt), (ins FGR32:$fs),
- "mfc1 $rt, $fs", []>;
-
- def MTC1 : FFR<0x11, 0x00, 0x04, (outs FGR32:$fs), (ins CPURegs:$rt),
- "mtc1 $rt, $fs", []>;
+/// Move Control Registers From/To CPU Registers
+def CFC1 : MFC1_FT_CCR<"cfc1", CPURegs, CCROpnd, IIFmove>, MFC1_FM<2>;
+def CTC1 : MTC1_FT_CCR<"ctc1", CCROpnd, CPURegs, IIFmove>, MFC1_FM<6>;
+def MFC1 : MFC1_FT<"mfc1", CPURegs, FGR32, IIFmove, bitconvert>, MFC1_FM<0>;
+def MTC1 : MTC1_FT<"mtc1", FGR32, CPURegs, IIFmove, bitconvert>, MFC1_FM<4>;
+def DMFC1 : MFC1_FT<"dmfc1", CPU64Regs, FGR64, IIFmove, bitconvert>, MFC1_FM<1>;
+def DMTC1 : MTC1_FT<"dmtc1", FGR64, CPU64Regs, IIFmove, bitconvert>, MFC1_FM<5>;
+
+def FMOV_S : ABSS_FT<"mov.s", FGR32, FGR32, IIFmove>, ABSS_FM<0x6, 16>;
+def FMOV_D32 : ABSS_FT<"mov.d", AFGR64, AFGR64, IIFmove>, ABSS_FM<0x6, 17>,
+ Requires<[NotFP64bit, HasStdEnc]>;
+def FMOV_D64 : ABSS_FT<"mov.d", FGR64, FGR64, IIFmove>, ABSS_FM<0x6, 17>,
+ Requires<[IsFP64bit, HasStdEnc]> {
+ let DecoderNamespace = "Mips64";
}
/// Floating Point Memory Instructions
-let Predicates = [IsNotSingleFloat] in {
- def LDC1 : FFI<0b110101, (outs AFGR64:$ft), (ins mem:$addr),
- "ldc1 $ft, $addr", [(set AFGR64:$ft, (load addr:$addr))]>;
+let Predicates = [IsN64, HasStdEnc], DecoderNamespace = "Mips64" in {
+ def LWC1_P8 : LW_FT<"lwc1", FGR32, IILoad, mem64, load>, LW_FM<0x31>;
+ def SWC1_P8 : SW_FT<"swc1", FGR32, IIStore, mem64, store>, LW_FM<0x39>;
+ def LDC164_P8 : LW_FT<"ldc1", FGR64, IILoad, mem64, load>, LW_FM<0x35> {
+ let isCodeGenOnly =1;
+ }
+ def SDC164_P8 : SW_FT<"sdc1", FGR64, IIStore, mem64, store>, LW_FM<0x3d> {
+ let isCodeGenOnly =1;
+ }
+}
+
+let Predicates = [NotN64, HasStdEnc] in {
+ def LWC1 : LW_FT<"lwc1", FGR32, IILoad, mem, load>, LW_FM<0x31>;
+ def SWC1 : SW_FT<"swc1", FGR32, IIStore, mem, store>, LW_FM<0x39>;
+}
+
+let Predicates = [NotN64, HasMips64, HasStdEnc],
+ DecoderNamespace = "Mips64" in {
+ def LDC164 : LW_FT<"ldc1", FGR64, IILoad, mem, load>, LW_FM<0x35>;
+ def SDC164 : SW_FT<"sdc1", FGR64, IIStore, mem, store>, LW_FM<0x3d>;
+}
- def SDC1 : FFI<0b111101, (outs), (ins AFGR64:$ft, mem:$addr),
- "sdc1 $ft, $addr", [(store AFGR64:$ft, addr:$addr)]>;
+let Predicates = [NotN64, NotMips64, HasStdEnc] in {
+ let isPseudo = 1, isCodeGenOnly = 1 in {
+ def PseudoLDC1 : LW_FT<"", AFGR64, IILoad, mem, load>;
+ def PseudoSDC1 : SW_FT<"", AFGR64, IIStore, mem, store>;
+ }
+ def LDC1 : LW_FT<"ldc1", AFGR64, IILoad, mem>, LW_FM<0x35>;
+ def SDC1 : SW_FT<"sdc1", AFGR64, IIStore, mem>, LW_FM<0x3d>;
}
-// LWC1 and SWC1 can always be emited with odd registers.
-def LWC1 : FFI<0b110001, (outs FGR32:$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)]>;
+// 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
-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<PatLeaf op, string asmstr> : 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<MIPS_BRANCH_F, "bc1f">;
-def BC1T : FBRANCH<MIPS_BRANCH_T, "bc1t">;
-def BC1FL : FBRANCH<MIPS_BRANCH_FL, "bc1fl">;
-def BC1TL : FBRANCH<MIPS_BRANCH_TL, "bc1tl">;
-
//===----------------------------------------------------------------------===//
// 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)>;
def MIPS_FCOND_NGT : PatLeaf<(i32 15)>;
/// Floating Point Compare
-let hasDelaySlot = 1, Defs=[FCR31] in {
- def FCMP_S32 : FCC<0x0, (outs), (ins FGR32:$fs, FGR32:$ft, condcode:$cc),
- "c.$cc.s $fs, $ft", [(MipsFPCmp FGR32:$fs, FGR32:$ft, imm:$cc),
- (implicit FCR31)]>;
-
- 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<RegisterClass RC, string asmstr> :
- 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_S32 : PseudoSelCC<FGR32, "# MipsSelect_CC_S32_f32">;
-def Select_CC_D32 : PseudoSelCC<AFGR64, "# MipsSelect_CC_D32_f32">,
- Requires<[In32BitMode]>;
-
-// The values to be selected are int but the condition test is done with fp.
-def Select_FCC : PseudoFPSelCC<CPURegs, "# MipsSelect_FCC">;
-
-// The values to be selected and the condition test is done with fp.
-def Select_FCC_S32 : PseudoFPSelCC<FGR32, "# MipsSelect_FCC_S32_f32">;
-def Select_FCC_D32 : PseudoFPSelCC<AFGR64, "# MipsSelect_FCC_D32_f32">,
- Requires<[In32BitMode]>;
-
-def MOVCCRToCCR : MipsPseudo<(outs CCR:$dst), (ins CCR:$src),
- "# MOVCCRToCCR", []>;
+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 : Pat<(f32 fpimm0), (MTC1 ZERO)>;
+def : MipsPat<(f32 fpimm0), (MTC1 ZERO)>;
+def : MipsPat<(f32 fpimm0neg), (FNEG_S (MTC1 ZERO))>;
+
+def : MipsPat<(f32 (sint_to_fp CPURegs:$src)), (PseudoCVT_S_W CPURegs:$src)>;
+def : MipsPat<(MipsTruncIntFP FGR32:$src), (TRUNC_W_S FGR32:$src)>;
+
+let Predicates = [NotFP64bit, HasStdEnc] in {
+ def : MipsPat<(f64 (sint_to_fp CPURegs:$src)),
+ (PseudoCVT_D32_W CPURegs:$src)>;
+ def : MipsPat<(MipsTruncIntFP AFGR64:$src), (TRUNC_W_D32 AFGR64:$src)>;
+ def : MipsPat<(f32 (fround AFGR64:$src)), (CVT_S_D32 AFGR64:$src)>;
+ def : MipsPat<(f64 (fextend FGR32:$src)), (CVT_D32_S FGR32:$src)>;
+}
-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 = [IsFP64bit, HasStdEnc] in {
+ def : MipsPat<(f64 fpimm0), (DMTC1 ZERO_64)>;
+ def : MipsPat<(f64 fpimm0neg), (FNEG_D64 (DMTC1 ZERO_64))>;
-def : Pat<(i32 (fp_to_sint FGR32:$src)), (MFC1 (TRUNC_W_S32 FGR32:$src))>;
+ def : MipsPat<(f64 (sint_to_fp CPURegs:$src)),
+ (PseudoCVT_D64_W CPURegs:$src)>;
+ def : MipsPat<(f32 (sint_to_fp CPU64Regs:$src)),
+ (EXTRACT_SUBREG (PseudoCVT_S_L CPU64Regs:$src), sub_32)>;
+ def : MipsPat<(f64 (sint_to_fp CPU64Regs:$src)),
+ (PseudoCVT_D64_L CPU64Regs:$src)>;
-def : Pat<(i32 (bitconvert FGR32:$src)), (MFC1 FGR32:$src)>;
-def : Pat<(f32 (bitconvert CPURegs:$src)), (MTC1 CPURegs:$src)>;
+ def : MipsPat<(MipsTruncIntFP FGR64:$src), (TRUNC_W_D64 FGR64:$src)>;
+ def : MipsPat<(MipsTruncIntFP FGR32:$src), (TRUNC_L_S FGR32:$src)>;
+ def : MipsPat<(MipsTruncIntFP FGR64:$src), (TRUNC_L_D64 FGR64:$src)>;
-let Predicates = [In32BitMode] in {
- def : Pat<(f32 (fround AFGR64:$src)), (CVTS_D32 AFGR64:$src)>;
- def : Pat<(f64 (fextend FGR32:$src)), (CVTD_S32 FGR32:$src)>;
+ def : MipsPat<(f32 (fround FGR64:$src)), (CVT_S_D64 FGR64:$src)>;
+ def : MipsPat<(f64 (fextend FGR32:$src)), (CVT_D64_S FGR32:$src)>;
}
-// MipsFPRound is only emitted for MipsI targets.
-def : Pat<(f32 (MipsFPRound AFGR64:$src)), (CVTW_D32 AFGR64:$src)>;
+// Patterns for loads/stores with a reg+imm operand.
+let AddedComplexity = 40 in {
+ let Predicates = [IsN64, HasStdEnc] in {
+ def : LoadRegImmPat<LWC1_P8, f32, load>;
+ def : StoreRegImmPat<SWC1_P8, f32>;
+ def : LoadRegImmPat<LDC164_P8, f64, load>;
+ def : StoreRegImmPat<SDC164_P8, f64>;
+ }
+
+ let Predicates = [NotN64, HasStdEnc] in {
+ def : LoadRegImmPat<LWC1, f32, load>;
+ def : StoreRegImmPat<SWC1, f32>;
+ }
+ let Predicates = [NotN64, HasMips64, HasStdEnc] in {
+ def : LoadRegImmPat<LDC164, f64, load>;
+ def : StoreRegImmPat<SDC164, f64>;
+ }
+
+ let Predicates = [NotN64, NotMips64, HasStdEnc] in {
+ def : LoadRegImmPat<PseudoLDC1, f64, load>;
+ def : StoreRegImmPat<PseudoSDC1, f64>;
+ }
+}