//===-- MipsInstrFPU.td - Mips FPU Instruction Information -*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the Mips FPU instruction set.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Floating Point Instructions
// ------------------------
// * 64bit fp:
// - 32 64-bit registers (default mode)
// - 16 even 32-bit registers (32-bit compatible mode) for
// single and double access.
// * 32bit fp:
// - 16 even 32-bit registers - single and double (aliased)
// - 32 32-bit registers (within single-only mode)
//===----------------------------------------------------------------------===//
// Floating Point Compare and Branch
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", DecoderMethod = "DecodeCondCode" in
def condcode : Operand<i32>;
//===----------------------------------------------------------------------===//
// Feature predicates.
//===----------------------------------------------------------------------===//
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.
//
// 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.
//===----------------------------------------------------------------------===//
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:$fs))], Itin, FrmFR>,
NeverHasSideEffects;
multiclass ABSS_M<string opstr, InstrItinClass Itin,
SDPatternOperator OpNode= null_frag> {
def _D32 : ABSS_FT<opstr, AFGR64, AFGR64, Itin, OpNode>,
Requires<[NotFP64bit, HasStdEnc]>;
def _D64 : ABSS_FT<opstr, FGR64, FGR64, Itin, OpNode>,
Requires<[IsFP64bit, HasStdEnc]> {
string DecoderNamespace = "Mips64";
}
}
multiclass ROUND_M<string opstr, InstrItinClass Itin> {
def _D32 : ABSS_FT<opstr, FGR32, AFGR64, Itin>,
Requires<[NotFP64bit, HasStdEnc]>;
def _D64 : ABSS_FT<opstr, FGR32, FGR64, Itin>,
Requires<[IsFP64bit, HasStdEnc]> {
let DecoderNamespace = "Mips64";
}
}
class MFC1_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC,
InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
InstSE<(outs DstRC:$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 addr:$addr))], Itin, FrmFI> {
let DecoderMethod = "DecodeFMem";
}
class SW_FT<string opstr, RegisterClass RC, InstrItinClass Itin,
Operand MemOpnd, SDPatternOperator OpNode= null_frag> :
InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
[(OpNode RC:$rt, addr:$addr)], Itin, FrmFI> {
let DecoderMethod = "DecodeFMem";
}
class MADDS_FT<string opstr, RegisterClass RC, InstrItinClass Itin,
SDPatternOperator OpNode = null_frag> :
InstSE<(outs RC:$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:$index)))], Itin, FrmFI>;
class SWXC1_FT<string opstr, RegisterClass DRC, RegisterClass PRC,
InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
InstSE<(outs), (ins DRC:$fs, PRC:$base, PRC:$index),
!strconcat(opstr, "\t$fs, ${index}(${base})"),
[(OpNode DRC:$fs, (add PRC:$base, PRC:$index))], Itin, FrmFI>;
class BC1F_FT<string opstr, InstrItinClass Itin,
SDPatternOperator Op = null_frag> :
InstSE<(outs), (ins brtarget:$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];
}
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>;
}
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 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,
// regardless of register aliasing.
/// 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 = [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>;
}
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>;
}
// 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
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.
// They must be kept in synch.
def MIPS_BRANCH_F : PatLeaf<(i32 0)>;
def MIPS_BRANCH_T : PatLeaf<(i32 1)>;
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>;
}
//===----------------------------------------------------------------------===//
// 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 : 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
//===----------------------------------------------------------------------===//
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 : 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)>;
}