+//===-- MipsCondMov.td - Describe Mips Conditional Moves --*- tablegen -*--===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This is the Conditional Moves implementation.
+//
+//===----------------------------------------------------------------------===//
+
// Conditional moves:
// These instructions are expanded in
// MipsISelLowering::EmitInstrWithCustomInserter if target does not have
// conditional move instructions.
// cond:int, data:int
-class CondMovIntInt<RegisterClass CRC, RegisterClass DRC, bits<6> funct,
- string instr_asm> :
- FR<0, funct, (outs DRC:$rd), (ins DRC:$rs, CRC:$rt, DRC:$F),
- !strconcat(instr_asm, "\t$rd, $rs, $rt"), [], NoItinerary> {
- let shamt = 0;
+class CMov_I_I_FT<string opstr, RegisterClass CRC, RegisterClass DRC,
+ InstrItinClass Itin> :
+ InstSE<(outs DRC:$rd), (ins DRC:$rs, CRC:$rt, DRC:$F),
+ !strconcat(opstr, "\t$rd, $rs, $rt"), [], Itin, FrmFR> {
let Constraints = "$F = $rd";
}
// cond:int, data:float
-class CondMovIntFP<RegisterClass CRC, RegisterClass DRC, bits<5> fmt,
- bits<6> func, string instr_asm> :
- FFR<0x11, func, fmt, (outs DRC:$fd), (ins DRC:$fs, CRC:$rt, DRC:$F),
- !strconcat(instr_asm, "\t$fd, $fs, $rt"), []> {
- bits<5> rt;
- let ft = rt;
+class CMov_I_F_FT<string opstr, RegisterClass CRC, RegisterClass DRC,
+ InstrItinClass Itin> :
+ InstSE<(outs DRC:$fd), (ins DRC:$fs, CRC:$rt, DRC:$F),
+ !strconcat(opstr, "\t$fd, $fs, $rt"), [], Itin, FrmFR> {
let Constraints = "$F = $fd";
}
// cond:float, data:int
-class CondMovFPInt<RegisterClass RC, SDNode cmov, bits<1> tf,
- string instr_asm> :
- FCMOV<tf, (outs RC:$rd), (ins RC:$rs, RC:$F),
- !strconcat(instr_asm, "\t$rd, $rs, $$fcc0"),
- [(set RC:$rd, (cmov RC:$rs, RC:$F))]> {
- let cc = 0;
+class CMov_F_I_FT<string opstr, RegisterClass RC, InstrItinClass Itin,
+ SDPatternOperator OpNode = null_frag> :
+ InstSE<(outs RC:$rd), (ins RC:$rs, RC:$F),
+ !strconcat(opstr, "\t$rd, $rs, $$fcc0"),
+ [(set RC:$rd, (OpNode RC:$rs, RC:$F))], Itin, FrmFR> {
let Uses = [FCR31];
let Constraints = "$F = $rd";
}
// cond:float, data:float
-class CondMovFPFP<RegisterClass RC, SDNode cmov, bits<5> fmt, bits<1> tf,
- string instr_asm> :
- FFCMOV<fmt, tf, (outs RC:$fd), (ins RC:$fs, RC:$F),
- !strconcat(instr_asm, "\t$fd, $fs, $$fcc0"),
- [(set RC:$fd, (cmov RC:$fs, RC:$F))]> {
- let cc = 0;
+class CMov_F_F_FT<string opstr, RegisterClass RC, InstrItinClass Itin,
+ SDPatternOperator OpNode = null_frag> :
+ InstSE<(outs RC:$fd), (ins RC:$fs, RC:$F),
+ !strconcat(opstr, "\t$fd, $fs, $$fcc0"),
+ [(set RC:$fd, (OpNode RC:$fs, RC:$F))], Itin, FrmFR> {
let Uses = [FCR31];
let Constraints = "$F = $fd";
}
Instruction MOVZInst, Instruction SLTOp,
Instruction SLTuOp, Instruction SLTiOp,
Instruction SLTiuOp> {
- def : Pat<(select (i32 (setge CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
- (MOVZInst DRC:$T, (SLTOp CRC:$lhs, CRC:$rhs), DRC:$F)>;
- def : Pat<(select (i32 (setuge CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
- (MOVZInst DRC:$T, (SLTuOp CRC:$lhs, CRC:$rhs), DRC:$F)>;
- def : Pat<(select (i32 (setge CRC:$lhs, immSExt16:$rhs)), DRC:$T, DRC:$F),
- (MOVZInst DRC:$T, (SLTiOp CRC:$lhs, immSExt16:$rhs), DRC:$F)>;
- def : Pat<(select (i32 (setuge CRC:$lh, immSExt16:$rh)), DRC:$T, DRC:$F),
- (MOVZInst DRC:$T, (SLTiuOp CRC:$lh, immSExt16:$rh), DRC:$F)>;
- def : Pat<(select (i32 (setle CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
- (MOVZInst DRC:$T, (SLTOp CRC:$rhs, CRC:$lhs), DRC:$F)>;
- def : Pat<(select (i32 (setule CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
- (MOVZInst DRC:$T, (SLTuOp CRC:$rhs, CRC:$lhs), DRC:$F)>;
+ def : MipsPat<(select (i32 (setge CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (SLTOp CRC:$lhs, CRC:$rhs), DRC:$F)>;
+ def : MipsPat<(select (i32 (setuge CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (SLTuOp CRC:$lhs, CRC:$rhs), DRC:$F)>;
+ def : MipsPat<(select (i32 (setge CRC:$lhs, immSExt16:$rhs)), DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (SLTiOp CRC:$lhs, immSExt16:$rhs), DRC:$F)>;
+ def : MipsPat<(select (i32 (setuge CRC:$lh, immSExt16:$rh)), DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (SLTiuOp CRC:$lh, immSExt16:$rh), DRC:$F)>;
+ def : MipsPat<(select (i32 (setle CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (SLTOp CRC:$rhs, CRC:$lhs), DRC:$F)>;
+ def : MipsPat<(select (i32 (setule CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (SLTuOp CRC:$rhs, CRC:$lhs), DRC:$F)>;
+ def : MipsPat<(select (i32 (setgt CRC:$lhs, immSExt16Plus1:$rhs)),
+ DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (SLTiOp CRC:$lhs, (Plus1 imm:$rhs)), DRC:$F)>;
+ def : MipsPat<(select (i32 (setugt CRC:$lhs, immSExt16Plus1:$rhs)),
+ DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (SLTiuOp CRC:$lhs, (Plus1 imm:$rhs)),
+ DRC:$F)>;
}
multiclass MovzPats1<RegisterClass CRC, RegisterClass DRC,
Instruction MOVZInst, Instruction XOROp> {
- def : Pat<(select (i32 (seteq CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
- (MOVZInst DRC:$T, (XOROp CRC:$lhs, CRC:$rhs), DRC:$F)>;
- def : Pat<(select (i32 (seteq CRC:$lhs, 0)), DRC:$T, DRC:$F),
- (MOVZInst DRC:$T, CRC:$lhs, DRC:$F)>;
+ def : MipsPat<(select (i32 (seteq CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (XOROp CRC:$lhs, CRC:$rhs), DRC:$F)>;
+ def : MipsPat<(select (i32 (seteq CRC:$lhs, 0)), DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, CRC:$lhs, DRC:$F)>;
+}
+
+multiclass MovzPats2<RegisterClass CRC, RegisterClass DRC,
+ Instruction MOVZInst, Instruction XORiOp> {
+ def : MipsPat<
+ (select (i32 (seteq CRC:$lhs, immZExt16:$uimm16)), DRC:$T, DRC:$F),
+ (MOVZInst DRC:$T, (XORiOp CRC:$lhs, immZExt16:$uimm16), DRC:$F)>;
}
multiclass MovnPats<RegisterClass CRC, RegisterClass DRC, Instruction MOVNInst,
Instruction XOROp> {
- def : Pat<(select (i32 (setne CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
- (MOVNInst DRC:$T, (XOROp CRC:$lhs, CRC:$rhs), DRC:$F)>;
- def : Pat<(select CRC:$cond, DRC:$T, DRC:$F),
- (MOVNInst DRC:$T, CRC:$cond, DRC:$F)>;
- def : Pat<(select (i32 (setne CRC:$lhs, 0)),DRC:$T, DRC:$F),
- (MOVNInst DRC:$T, CRC:$lhs, DRC:$F)>;
+ def : MipsPat<(select (i32 (setne CRC:$lhs, CRC:$rhs)), DRC:$T, DRC:$F),
+ (MOVNInst DRC:$T, (XOROp CRC:$lhs, CRC:$rhs), DRC:$F)>;
+ def : MipsPat<(select CRC:$cond, DRC:$T, DRC:$F),
+ (MOVNInst DRC:$T, CRC:$cond, DRC:$F)>;
+ def : MipsPat<(select (i32 (setne CRC:$lhs, 0)),DRC:$T, DRC:$F),
+ (MOVNInst DRC:$T, CRC:$lhs, DRC:$F)>;
}
// Instantiation of instructions.
-def MOVZ_I_I : CondMovIntInt<CPURegs, CPURegs, 0x0a, "movz">;
-let Predicates = [HasMips64] in {
- def MOVZ_I_I64 : CondMovIntInt<CPURegs, CPU64Regs, 0x0a, "movz">;
- def MOVZ_I64_I : CondMovIntInt<CPU64Regs, CPURegs, 0x0a, "movz">;
- def MOVZ_I64_I64 : CondMovIntInt<CPU64Regs, CPU64Regs, 0x0a, "movz">;
-}
-
-def MOVN_I_I : CondMovIntInt<CPURegs, CPURegs, 0x0b, "movn">;
-let Predicates = [HasMips64] in {
- def MOVN_I_I64 : CondMovIntInt<CPURegs, CPU64Regs, 0x0b, "movn">;
- def MOVN_I64_I : CondMovIntInt<CPU64Regs, CPURegs, 0x0b, "movn">;
- def MOVN_I64_I64 : CondMovIntInt<CPU64Regs, CPU64Regs, 0x0b, "movn">;
-}
-
-def MOVZ_I_S : CondMovIntFP<CPURegs, FGR32, 16, 18, "movz.s">;
-def MOVZ_I64_S : CondMovIntFP<CPU64Regs, FGR32, 16, 18, "movz.s">,
- Requires<[HasMips64]>;
-
-def MOVN_I_S : CondMovIntFP<CPURegs, FGR32, 16, 19, "movn.s">;
-def MOVN_I64_S : CondMovIntFP<CPU64Regs, FGR32, 16, 19, "movn.s">,
- Requires<[HasMips64]>;
-
-let Predicates = [NotFP64bit] in {
- def MOVZ_I_D32 : CondMovIntFP<CPURegs, AFGR64, 17, 18, "movz.d">;
- def MOVN_I_D32 : CondMovIntFP<CPURegs, AFGR64, 17, 19, "movn.d">;
-}
-let Predicates = [IsFP64bit] in {
- def MOVZ_I_D64 : CondMovIntFP<CPURegs, FGR64, 17, 18, "movz.d">;
- def MOVZ_I64_D64 : CondMovIntFP<CPU64Regs, FGR64, 17, 18, "movz.d">;
- def MOVN_I_D64 : CondMovIntFP<CPURegs, FGR64, 17, 19, "movn.d">;
- def MOVN_I64_D64 : CondMovIntFP<CPU64Regs, FGR64, 17, 19, "movn.d">;
-}
-
-def MOVT_I : CondMovFPInt<CPURegs, MipsCMovFP_T, 1, "movt">;
-def MOVT_I64 : CondMovFPInt<CPU64Regs, MipsCMovFP_T, 1, "movt">,
- Requires<[HasMips64]>;
-
-def MOVF_I : CondMovFPInt<CPURegs, MipsCMovFP_F, 0, "movf">;
-def MOVF_I64 : CondMovFPInt<CPU64Regs, MipsCMovFP_F, 0, "movf">,
- Requires<[HasMips64]>;
-
-def MOVT_S : CondMovFPFP<FGR32, MipsCMovFP_T, 16, 1, "movt.s">;
-def MOVF_S : CondMovFPFP<FGR32, MipsCMovFP_F, 16, 0, "movf.s">;
-
-let Predicates = [NotFP64bit] in {
- def MOVT_D32 : CondMovFPFP<AFGR64, MipsCMovFP_T, 17, 1, "movt.d">;
- def MOVF_D32 : CondMovFPFP<AFGR64, MipsCMovFP_F, 17, 0, "movf.d">;
-}
-let Predicates = [IsFP64bit] in {
- def MOVT_D64 : CondMovFPFP<FGR64, MipsCMovFP_T, 17, 1, "movt.d">;
- def MOVF_D64 : CondMovFPFP<FGR64, MipsCMovFP_F, 17, 0, "movf.d">;
+def MOVZ_I_I : CMov_I_I_FT<"movz", CPURegs, CPURegs, NoItinerary>,
+ ADD_FM<0, 0xa>;
+let Predicates = [HasStdEnc],
+ DecoderNamespace = "Mips64" in {
+ def MOVZ_I_I64 : CMov_I_I_FT<"movz", CPURegs, CPU64Regs, NoItinerary>,
+ ADD_FM<0, 0xa>;
+ def MOVZ_I64_I : CMov_I_I_FT<"movz", CPU64Regs, CPURegs, NoItinerary>,
+ ADD_FM<0, 0xa> {
+ let isCodeGenOnly = 1;
+ }
+ def MOVZ_I64_I64 : CMov_I_I_FT<"movz", CPU64Regs, CPU64Regs, NoItinerary>,
+ ADD_FM<0, 0xa> {
+ let isCodeGenOnly = 1;
+ }
+}
+
+def MOVN_I_I : CMov_I_I_FT<"movn", CPURegs, CPURegs, NoItinerary>,
+ ADD_FM<0, 0xb>;
+let Predicates = [HasStdEnc],
+ DecoderNamespace = "Mips64" in {
+ def MOVN_I_I64 : CMov_I_I_FT<"movn", CPURegs, CPU64Regs, NoItinerary>,
+ ADD_FM<0, 0xb>;
+ def MOVN_I64_I : CMov_I_I_FT<"movn", CPU64Regs, CPURegs, NoItinerary>,
+ ADD_FM<0, 0xb> {
+ let isCodeGenOnly = 1;
+ }
+ def MOVN_I64_I64 : CMov_I_I_FT<"movn", CPU64Regs, CPU64Regs, NoItinerary>,
+ ADD_FM<0, 0xb> {
+ let isCodeGenOnly = 1;
+ }
+}
+
+def MOVZ_I_S : CMov_I_F_FT<"movz.s", CPURegs, FGR32, IIFmove>,
+ CMov_I_F_FM<18, 16>;
+def MOVZ_I64_S : CMov_I_F_FT<"movz.s", CPU64Regs, FGR32, IIFmove>,
+ CMov_I_F_FM<18, 16>, Requires<[HasMips64, HasStdEnc]> {
+ let DecoderNamespace = "Mips64";
+}
+
+def MOVN_I_S : CMov_I_F_FT<"movn.s", CPURegs, FGR32, IIFmove>,
+ CMov_I_F_FM<19, 16>;
+def MOVN_I64_S : CMov_I_F_FT<"movn.s", CPU64Regs, FGR32, IIFmove>,
+ CMov_I_F_FM<19, 16>, Requires<[HasMips64, HasStdEnc]> {
+ let DecoderNamespace = "Mips64";
+}
+
+let Predicates = [NotFP64bit, HasStdEnc] in {
+ def MOVZ_I_D32 : CMov_I_F_FT<"movz.d", CPURegs, AFGR64, IIFmove>,
+ CMov_I_F_FM<18, 17>;
+ def MOVN_I_D32 : CMov_I_F_FT<"movn.d", CPURegs, AFGR64, IIFmove>,
+ CMov_I_F_FM<19, 17>;
+}
+let Predicates = [IsFP64bit, HasStdEnc],
+ DecoderNamespace = "Mips64" in {
+ def MOVZ_I_D64 : CMov_I_F_FT<"movz.d", CPURegs, FGR64, IIFmove>,
+ CMov_I_F_FM<18, 17>;
+ def MOVZ_I64_D64 : CMov_I_F_FT<"movz.d", CPU64Regs, FGR64, IIFmove>,
+ CMov_I_F_FM<18, 17> {
+ let isCodeGenOnly = 1;
+ }
+ def MOVN_I_D64 : CMov_I_F_FT<"movn.d", CPURegs, FGR64, IIFmove>,
+ CMov_I_F_FM<19, 17>;
+ def MOVN_I64_D64 : CMov_I_F_FT<"movn.d", CPU64Regs, FGR64, IIFmove>,
+ CMov_I_F_FM<19, 17> {
+ let isCodeGenOnly = 1;
+ }
+}
+
+def MOVT_I : CMov_F_I_FT<"movt", CPURegs, IIAlu, MipsCMovFP_T>, CMov_F_I_FM<1>;
+def MOVT_I64 : CMov_F_I_FT<"movt", CPU64Regs, IIAlu, MipsCMovFP_T>,
+ CMov_F_I_FM<1>, Requires<[HasMips64, HasStdEnc]> {
+ let DecoderNamespace = "Mips64";
+}
+
+def MOVF_I : CMov_F_I_FT<"movf", CPURegs, IIAlu, MipsCMovFP_F>, CMov_F_I_FM<0>;
+def MOVF_I64 : CMov_F_I_FT<"movf", CPU64Regs, IIAlu, MipsCMovFP_F>,
+ CMov_F_I_FM<0>, Requires<[HasMips64, HasStdEnc]> {
+ let DecoderNamespace = "Mips64";
+}
+
+def MOVT_S : CMov_F_F_FT<"movt.s", FGR32, IIFmove, MipsCMovFP_T>,
+ CMov_F_F_FM<16, 1>;
+def MOVF_S : CMov_F_F_FT<"movf.s", FGR32, IIFmove, MipsCMovFP_F>,
+ CMov_F_F_FM<16, 0>;
+
+let Predicates = [NotFP64bit, HasStdEnc] in {
+ def MOVT_D32 : CMov_F_F_FT<"movt.d", AFGR64, IIFmove, MipsCMovFP_T>,
+ CMov_F_F_FM<17, 1>;
+ def MOVF_D32 : CMov_F_F_FT<"movf.d", AFGR64, IIFmove, MipsCMovFP_F>,
+ CMov_F_F_FM<17, 0>;
+}
+let Predicates = [IsFP64bit, HasStdEnc],
+ DecoderNamespace = "Mips64" in {
+ def MOVT_D64 : CMov_F_F_FT<"movt.d", FGR64, IIFmove, MipsCMovFP_T>,
+ CMov_F_F_FM<17, 1>;
+ def MOVF_D64 : CMov_F_F_FT<"movf.d", FGR64, IIFmove, MipsCMovFP_F>,
+ CMov_F_F_FM<17, 0>;
}
// Instantiation of conditional move patterns.
defm : MovzPats0<CPURegs, CPURegs, MOVZ_I_I, SLT, SLTu, SLTi, SLTiu>;
defm : MovzPats1<CPURegs, CPURegs, MOVZ_I_I, XOR>;
-let Predicates = [HasMips64] in {
+defm : MovzPats2<CPURegs, CPURegs, MOVZ_I_I, XORi>;
+let Predicates = [HasMips64, HasStdEnc] in {
defm : MovzPats0<CPURegs, CPU64Regs, MOVZ_I_I64, SLT, SLTu, SLTi, SLTiu>;
defm : MovzPats0<CPU64Regs, CPURegs, MOVZ_I_I, SLT64, SLTu64, SLTi64,
SLTiu64>;
defm : MovzPats1<CPURegs, CPU64Regs, MOVZ_I_I64, XOR>;
defm : MovzPats1<CPU64Regs, CPURegs, MOVZ_I64_I, XOR64>;
defm : MovzPats1<CPU64Regs, CPU64Regs, MOVZ_I64_I64, XOR64>;
+ defm : MovzPats2<CPURegs, CPU64Regs, MOVZ_I_I64, XORi>;
+ defm : MovzPats2<CPU64Regs, CPURegs, MOVZ_I64_I, XORi64>;
+ defm : MovzPats2<CPU64Regs, CPU64Regs, MOVZ_I64_I64, XORi64>;
}
defm : MovnPats<CPURegs, CPURegs, MOVN_I_I, XOR>;
-let Predicates = [HasMips64] in {
+let Predicates = [HasMips64, HasStdEnc] in {
defm : MovnPats<CPURegs, CPU64Regs, MOVN_I_I64, XOR>;
defm : MovnPats<CPU64Regs, CPURegs, MOVN_I64_I, XOR64>;
defm : MovnPats<CPU64Regs, CPU64Regs, MOVN_I64_I64, XOR64>;
defm : MovzPats0<CPURegs, FGR32, MOVZ_I_S, SLT, SLTu, SLTi, SLTiu>;
defm : MovzPats1<CPURegs, FGR32, MOVZ_I_S, XOR>;
defm : MovnPats<CPURegs, FGR32, MOVN_I_S, XOR>;
-let Predicates = [HasMips64] in {
+let Predicates = [HasMips64, HasStdEnc] in {
defm : MovzPats0<CPU64Regs, FGR32, MOVZ_I_S, SLT64, SLTu64, SLTi64,
SLTiu64>;
defm : MovzPats1<CPU64Regs, FGR32, MOVZ_I64_S, XOR64>;
defm : MovnPats<CPU64Regs, FGR32, MOVN_I64_S, XOR64>;
}
-let Predicates = [NotFP64bit] in {
+let Predicates = [NotFP64bit, HasStdEnc] in {
defm : MovzPats0<CPURegs, AFGR64, MOVZ_I_D32, SLT, SLTu, SLTi, SLTiu>;
defm : MovzPats1<CPURegs, AFGR64, MOVZ_I_D32, XOR>;
defm : MovnPats<CPURegs, AFGR64, MOVN_I_D32, XOR>;
}
-let Predicates = [IsFP64bit] in {
+let Predicates = [IsFP64bit, HasStdEnc] in {
defm : MovzPats0<CPURegs, FGR64, MOVZ_I_D64, SLT, SLTu, SLTi, SLTiu>;
defm : MovzPats0<CPU64Regs, FGR64, MOVZ_I_D64, SLT64, SLTu64, SLTi64,
SLTiu64>;