forked from OSchip/llvm-project
688 lines
31 KiB
TableGen
688 lines
31 KiB
TableGen
//===-- MipsInstrFPU.td - Mips FPU Instruction Information -*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes the Mips FPU instruction set.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Floating Point Instructions
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// ------------------------
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// * 64bit fp:
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// - 32 64-bit registers (default mode)
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// - 16 even 32-bit registers (32-bit compatible mode) for
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// single and double access.
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// * 32bit fp:
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// - 16 even 32-bit registers - single and double (aliased)
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// - 32 32-bit registers (within single-only mode)
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//===----------------------------------------------------------------------===//
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// Floating Point Compare and Branch
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def SDT_MipsFPBrcond : SDTypeProfile<0, 3, [SDTCisInt<0>,
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SDTCisVT<1, i32>,
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SDTCisVT<2, OtherVT>]>;
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def SDT_MipsFPCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>, SDTCisFP<1>,
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SDTCisVT<2, i32>]>;
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def SDT_MipsCMovFP : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisVT<2, i32>,
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SDTCisSameAs<1, 3>]>;
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def SDT_MipsTruncIntFP : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>;
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def SDT_MipsBuildPairF64 : SDTypeProfile<1, 2, [SDTCisVT<0, f64>,
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SDTCisVT<1, i32>,
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SDTCisSameAs<1, 2>]>;
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def SDT_MipsExtractElementF64 : SDTypeProfile<1, 2, [SDTCisVT<0, i32>,
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SDTCisVT<1, f64>,
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SDTCisVT<2, i32>]>;
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def MipsFPCmp : SDNode<"MipsISD::FPCmp", SDT_MipsFPCmp, [SDNPOutGlue]>;
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def MipsCMovFP_T : SDNode<"MipsISD::CMovFP_T", SDT_MipsCMovFP, [SDNPInGlue]>;
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def MipsCMovFP_F : SDNode<"MipsISD::CMovFP_F", SDT_MipsCMovFP, [SDNPInGlue]>;
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def MipsFPBrcond : SDNode<"MipsISD::FPBrcond", SDT_MipsFPBrcond,
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[SDNPHasChain, SDNPOptInGlue]>;
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def MipsTruncIntFP : SDNode<"MipsISD::TruncIntFP", SDT_MipsTruncIntFP>;
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def MipsBuildPairF64 : SDNode<"MipsISD::BuildPairF64", SDT_MipsBuildPairF64>;
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def MipsExtractElementF64 : SDNode<"MipsISD::ExtractElementF64",
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SDT_MipsExtractElementF64>;
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// Operand for printing out a condition code.
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let PrintMethod = "printFCCOperand", DecoderMethod = "DecodeCondCode" in
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def condcode : Operand<i32>;
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//===----------------------------------------------------------------------===//
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// Feature predicates.
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//===----------------------------------------------------------------------===//
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def IsFP64bit : Predicate<"Subtarget->isFP64bit()">,
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AssemblerPredicate<"FeatureFP64Bit">;
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def NotFP64bit : Predicate<"!Subtarget->isFP64bit()">,
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AssemblerPredicate<"!FeatureFP64Bit">;
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def IsSingleFloat : Predicate<"Subtarget->isSingleFloat()">,
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AssemblerPredicate<"FeatureSingleFloat">;
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def IsNotSingleFloat : Predicate<"!Subtarget->isSingleFloat()">,
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AssemblerPredicate<"!FeatureSingleFloat">;
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def IsNotSoftFloat : Predicate<"!Subtarget->useSoftFloat()">,
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AssemblerPredicate<"!FeatureSoftFloat">;
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//===----------------------------------------------------------------------===//
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// Mips FGR size adjectives.
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// They are mutually exclusive.
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//===----------------------------------------------------------------------===//
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class FGR_32 { list<Predicate> FGRPredicates = [NotFP64bit]; }
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class FGR_64 { list<Predicate> FGRPredicates = [IsFP64bit]; }
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class HARDFLOAT { list<Predicate> HardFloatPredicate = [IsNotSoftFloat]; }
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//===----------------------------------------------------------------------===//
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// FP immediate patterns.
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def fpimm0 : PatLeaf<(fpimm), [{
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return N->isExactlyValue(+0.0);
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}]>;
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def fpimm0neg : PatLeaf<(fpimm), [{
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return N->isExactlyValue(-0.0);
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}]>;
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//===----------------------------------------------------------------------===//
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// Instruction Class Templates
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//
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// A set of multiclasses is used to address the register usage.
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//
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// S32 - single precision in 16 32bit even fp registers
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// single precision in 32 32bit fp registers in SingleOnly mode
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// S64 - single precision in 32 64bit fp registers (In64BitMode)
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// D32 - double precision in 16 32bit even fp registers
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// D64 - double precision in 32 64bit fp registers (In64BitMode)
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//
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// Only S32 and D32 are supported right now.
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//===----------------------------------------------------------------------===//
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class ADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin, bit IsComm,
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SDPatternOperator OpNode= null_frag> :
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InstSE<(outs RC:$fd), (ins RC:$fs, RC:$ft),
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!strconcat(opstr, "\t$fd, $fs, $ft"),
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[(set RC:$fd, (OpNode RC:$fs, RC:$ft))], Itin, FrmFR, opstr>,
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HARDFLOAT {
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let isCommutable = IsComm;
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}
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multiclass ADDS_M<string opstr, InstrItinClass Itin, bit IsComm,
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SDPatternOperator OpNode = null_frag> {
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def _D32 : MMRel, ADDS_FT<opstr, AFGR64Opnd, Itin, IsComm, OpNode>, FGR_32;
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def _D64 : ADDS_FT<opstr, FGR64Opnd, Itin, IsComm, OpNode>, FGR_64 {
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string DecoderNamespace = "Mips64";
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}
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}
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class ABSS_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
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InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
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InstSE<(outs DstRC:$fd), (ins SrcRC:$fs), !strconcat(opstr, "\t$fd, $fs"),
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[(set DstRC:$fd, (OpNode SrcRC:$fs))], Itin, FrmFR, opstr>,
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HARDFLOAT,
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NeverHasSideEffects;
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multiclass ABSS_M<string opstr, InstrItinClass Itin,
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SDPatternOperator OpNode= null_frag> {
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def _D32 : MMRel, ABSS_FT<opstr, AFGR64Opnd, AFGR64Opnd, Itin, OpNode>,
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FGR_32;
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def _D64 : ABSS_FT<opstr, FGR64Opnd, FGR64Opnd, Itin, OpNode>, FGR_64 {
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string DecoderNamespace = "Mips64";
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}
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}
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multiclass ROUND_M<string opstr, InstrItinClass Itin> {
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def _D32 : MMRel, ABSS_FT<opstr, FGR32Opnd, AFGR64Opnd, Itin>, FGR_32;
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def _D64 : StdMMR6Rel, ABSS_FT<opstr, FGR32Opnd, FGR64Opnd, Itin>, FGR_64 {
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let DecoderNamespace = "Mips64";
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}
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}
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class MFC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
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InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
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InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"),
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[(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR, opstr>, HARDFLOAT;
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class MTC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
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InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
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InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"),
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[(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR, opstr>, HARDFLOAT;
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class MTC1_64_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
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InstrItinClass Itin> :
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InstSE<(outs DstRC:$fs), (ins DstRC:$fs_in, SrcRC:$rt),
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!strconcat(opstr, "\t$rt, $fs"), [], Itin, FrmFR, opstr>, HARDFLOAT {
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// $fs_in is part of a white lie to work around a widespread bug in the FPU
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// implementation. See expandBuildPairF64 for details.
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let Constraints = "$fs = $fs_in";
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}
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class LW_FT<string opstr, RegisterOperand RC, DAGOperand MO,
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InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
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InstSE<(outs RC:$rt), (ins MO:$addr), !strconcat(opstr, "\t$rt, $addr"),
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[(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr>,
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HARDFLOAT {
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let DecoderMethod = "DecodeFMem";
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let mayLoad = 1;
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}
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class SW_FT<string opstr, RegisterOperand RC, DAGOperand MO,
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InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
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InstSE<(outs), (ins RC:$rt, MO:$addr), !strconcat(opstr, "\t$rt, $addr"),
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[(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr>, HARDFLOAT {
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let DecoderMethod = "DecodeFMem";
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let mayStore = 1;
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}
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class MADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin,
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SDPatternOperator OpNode = null_frag> :
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InstSE<(outs RC:$fd), (ins RC:$fr, RC:$fs, RC:$ft),
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!strconcat(opstr, "\t$fd, $fr, $fs, $ft"),
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[(set RC:$fd, (OpNode (fmul RC:$fs, RC:$ft), RC:$fr))], Itin,
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FrmFR, opstr>, HARDFLOAT;
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class NMADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin,
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SDPatternOperator OpNode = null_frag> :
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InstSE<(outs RC:$fd), (ins RC:$fr, RC:$fs, RC:$ft),
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!strconcat(opstr, "\t$fd, $fr, $fs, $ft"),
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[(set RC:$fd, (fsub fpimm0, (OpNode (fmul RC:$fs, RC:$ft), RC:$fr)))],
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Itin, FrmFR, opstr>, HARDFLOAT;
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class LWXC1_FT<string opstr, RegisterOperand DRC,
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InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
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InstSE<(outs DRC:$fd), (ins PtrRC:$base, PtrRC:$index),
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!strconcat(opstr, "\t$fd, ${index}(${base})"),
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[(set DRC:$fd, (OpNode (add iPTR:$base, iPTR:$index)))], Itin,
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FrmFI, opstr>, HARDFLOAT {
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let AddedComplexity = 20;
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}
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class SWXC1_FT<string opstr, RegisterOperand DRC,
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InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
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InstSE<(outs), (ins DRC:$fs, PtrRC:$base, PtrRC:$index),
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!strconcat(opstr, "\t$fs, ${index}(${base})"),
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[(OpNode DRC:$fs, (add iPTR:$base, iPTR:$index))], Itin,
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FrmFI, opstr>, HARDFLOAT {
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let AddedComplexity = 20;
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}
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class BC1F_FT<string opstr, DAGOperand opnd, InstrItinClass Itin,
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SDPatternOperator Op = null_frag, bit DelaySlot = 1> :
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InstSE<(outs), (ins FCCRegsOpnd:$fcc, opnd:$offset),
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!strconcat(opstr, "\t$fcc, $offset"),
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[(MipsFPBrcond Op, FCCRegsOpnd:$fcc, bb:$offset)], Itin,
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FrmFI, opstr>, HARDFLOAT {
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let isBranch = 1;
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let isTerminator = 1;
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let hasDelaySlot = DelaySlot;
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let Defs = [AT];
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}
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class CEQS_FT<string typestr, RegisterClass RC, InstrItinClass Itin,
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SDPatternOperator OpNode = null_frag> :
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InstSE<(outs), (ins RC:$fs, RC:$ft, condcode:$cond),
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!strconcat("c.$cond.", typestr, "\t$fs, $ft"),
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[(OpNode RC:$fs, RC:$ft, imm:$cond)], Itin, FrmFR,
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!strconcat("c.$cond.", typestr)>, HARDFLOAT {
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let Defs = [FCC0];
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let isCodeGenOnly = 1;
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}
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class C_COND_FT<string CondStr, string Typestr, RegisterOperand RC,
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InstrItinClass itin> :
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InstSE<(outs), (ins RC:$fs, RC:$ft),
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!strconcat("c.", CondStr, ".", Typestr, "\t$fs, $ft"), [], itin,
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FrmFR>, HARDFLOAT;
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multiclass C_COND_M<string TypeStr, RegisterOperand RC, bits<5> fmt,
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InstrItinClass itin> {
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def C_F_#NAME : C_COND_FT<"f", TypeStr, RC, itin>, C_COND_FM<fmt, 0>;
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def C_UN_#NAME : C_COND_FT<"un", TypeStr, RC, itin>, C_COND_FM<fmt, 1>;
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def C_EQ_#NAME : C_COND_FT<"eq", TypeStr, RC, itin>, C_COND_FM<fmt, 2>;
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def C_UEQ_#NAME : C_COND_FT<"ueq", TypeStr, RC, itin>, C_COND_FM<fmt, 3>;
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def C_OLT_#NAME : C_COND_FT<"olt", TypeStr, RC, itin>, C_COND_FM<fmt, 4>;
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def C_ULT_#NAME : C_COND_FT<"ult", TypeStr, RC, itin>, C_COND_FM<fmt, 5>;
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def C_OLE_#NAME : C_COND_FT<"ole", TypeStr, RC, itin>, C_COND_FM<fmt, 6>;
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def C_ULE_#NAME : C_COND_FT<"ule", TypeStr, RC, itin>, C_COND_FM<fmt, 7>;
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def C_SF_#NAME : C_COND_FT<"sf", TypeStr, RC, itin>, C_COND_FM<fmt, 8>;
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def C_NGLE_#NAME : C_COND_FT<"ngle", TypeStr, RC, itin>, C_COND_FM<fmt, 9>;
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def C_SEQ_#NAME : C_COND_FT<"seq", TypeStr, RC, itin>, C_COND_FM<fmt, 10>;
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def C_NGL_#NAME : C_COND_FT<"ngl", TypeStr, RC, itin>, C_COND_FM<fmt, 11>;
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def C_LT_#NAME : C_COND_FT<"lt", TypeStr, RC, itin>, C_COND_FM<fmt, 12>;
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def C_NGE_#NAME : C_COND_FT<"nge", TypeStr, RC, itin>, C_COND_FM<fmt, 13>;
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def C_LE_#NAME : C_COND_FT<"le", TypeStr, RC, itin>, C_COND_FM<fmt, 14>;
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def C_NGT_#NAME : C_COND_FT<"ngt", TypeStr, RC, itin>, C_COND_FM<fmt, 15>;
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}
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defm S : C_COND_M<"s", FGR32Opnd, 16, II_C_CC_S>, ISA_MIPS1_NOT_32R6_64R6;
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defm D32 : C_COND_M<"d", AFGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6,
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FGR_32;
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let DecoderNamespace = "Mips64" in
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defm D64 : C_COND_M<"d", FGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6,
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FGR_64;
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//===----------------------------------------------------------------------===//
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// Floating Point Instructions
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//===----------------------------------------------------------------------===//
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def ROUND_W_S : MMRel, StdMMR6Rel, ABSS_FT<"round.w.s", FGR32Opnd, FGR32Opnd, II_ROUND>,
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ABSS_FM<0xc, 16>, ISA_MIPS2;
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defm ROUND_W : ROUND_M<"round.w.d", II_ROUND>, ABSS_FM<0xc, 17>, ISA_MIPS2;
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def TRUNC_W_S : MMRel, StdMMR6Rel, ABSS_FT<"trunc.w.s", FGR32Opnd, FGR32Opnd, II_TRUNC>,
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ABSS_FM<0xd, 16>, ISA_MIPS2;
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def CEIL_W_S : MMRel, StdMMR6Rel, ABSS_FT<"ceil.w.s", FGR32Opnd, FGR32Opnd, II_CEIL>,
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ABSS_FM<0xe, 16>, ISA_MIPS2;
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def FLOOR_W_S : MMRel, StdMMR6Rel, ABSS_FT<"floor.w.s", FGR32Opnd, FGR32Opnd, II_FLOOR>,
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ABSS_FM<0xf, 16>, ISA_MIPS2;
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def CVT_W_S : MMRel, ABSS_FT<"cvt.w.s", FGR32Opnd, FGR32Opnd, II_CVT>,
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ABSS_FM<0x24, 16>;
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defm TRUNC_W : ROUND_M<"trunc.w.d", II_TRUNC>, ABSS_FM<0xd, 17>, ISA_MIPS2;
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defm CEIL_W : ROUND_M<"ceil.w.d", II_CEIL>, ABSS_FM<0xe, 17>, ISA_MIPS2;
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defm FLOOR_W : ROUND_M<"floor.w.d", II_FLOOR>, ABSS_FM<0xf, 17>, ISA_MIPS2;
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defm CVT_W : ROUND_M<"cvt.w.d", II_CVT>, ABSS_FM<0x24, 17>;
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let AdditionalPredicates = [NotInMicroMips] in {
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def RECIP_S : MMRel, ABSS_FT<"recip.s", FGR32Opnd, FGR32Opnd, II_RECIP_S>,
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ABSS_FM<0b010101, 0x10>, INSN_MIPS4_32R2;
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def RECIP_D : MMRel, ABSS_FT<"recip.d", FGR64Opnd, FGR64Opnd, II_RECIP_D>,
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ABSS_FM<0b010101, 0x11>, INSN_MIPS4_32R2;
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def RSQRT_S : MMRel, ABSS_FT<"rsqrt.s", FGR32Opnd, FGR32Opnd, II_RSQRT_S>,
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ABSS_FM<0b010110, 0x10>, INSN_MIPS4_32R2;
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def RSQRT_D : MMRel, ABSS_FT<"rsqrt.d", FGR64Opnd, FGR64Opnd, II_RSQRT_D>,
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ABSS_FM<0b010110, 0x11>, INSN_MIPS4_32R2;
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}
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let DecoderNamespace = "Mips64" in {
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let AdditionalPredicates = [NotInMicroMips] in {
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def ROUND_L_S : ABSS_FT<"round.l.s", FGR64Opnd, FGR32Opnd, II_ROUND>,
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ABSS_FM<0x8, 16>, FGR_64;
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def ROUND_L_D64 : ABSS_FT<"round.l.d", FGR64Opnd, FGR64Opnd, II_ROUND>,
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ABSS_FM<0x8, 17>, FGR_64;
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def TRUNC_L_S : ABSS_FT<"trunc.l.s", FGR64Opnd, FGR32Opnd, II_TRUNC>,
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ABSS_FM<0x9, 16>, FGR_64;
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def TRUNC_L_D64 : ABSS_FT<"trunc.l.d", FGR64Opnd, FGR64Opnd, II_TRUNC>,
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ABSS_FM<0x9, 17>, FGR_64;
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def CEIL_L_S : ABSS_FT<"ceil.l.s", FGR64Opnd, FGR32Opnd, II_CEIL>,
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ABSS_FM<0xa, 16>, FGR_64;
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def CEIL_L_D64 : ABSS_FT<"ceil.l.d", FGR64Opnd, FGR64Opnd, II_CEIL>,
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ABSS_FM<0xa, 17>, FGR_64;
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def FLOOR_L_S : ABSS_FT<"floor.l.s", FGR64Opnd, FGR32Opnd, II_FLOOR>,
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ABSS_FM<0xb, 16>, FGR_64;
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def FLOOR_L_D64 : ABSS_FT<"floor.l.d", FGR64Opnd, FGR64Opnd, II_FLOOR>,
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ABSS_FM<0xb, 17>, FGR_64;
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}
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}
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def CVT_S_W : MMRel, ABSS_FT<"cvt.s.w", FGR32Opnd, FGR32Opnd, II_CVT>,
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ABSS_FM<0x20, 20>;
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let AdditionalPredicates = [NotInMicroMips] in{
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def CVT_L_S : MMRel, ABSS_FT<"cvt.l.s", FGR64Opnd, FGR32Opnd, II_CVT>,
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ABSS_FM<0x25, 16>, INSN_MIPS3_32R2;
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def CVT_L_D64: MMRel, ABSS_FT<"cvt.l.d", FGR64Opnd, FGR64Opnd, II_CVT>,
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ABSS_FM<0x25, 17>, INSN_MIPS3_32R2;
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}
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def CVT_S_D32 : MMRel, ABSS_FT<"cvt.s.d", FGR32Opnd, AFGR64Opnd, II_CVT>,
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ABSS_FM<0x20, 17>, FGR_32;
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def CVT_D32_W : MMRel, ABSS_FT<"cvt.d.w", AFGR64Opnd, FGR32Opnd, II_CVT>,
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ABSS_FM<0x21, 20>, FGR_32;
|
|
def CVT_D32_S : MMRel, ABSS_FT<"cvt.d.s", AFGR64Opnd, FGR32Opnd, II_CVT>,
|
|
ABSS_FM<0x21, 16>, FGR_32;
|
|
|
|
let DecoderNamespace = "Mips64" in {
|
|
def CVT_S_D64 : ABSS_FT<"cvt.s.d", FGR32Opnd, FGR64Opnd, II_CVT>,
|
|
ABSS_FM<0x20, 17>, FGR_64;
|
|
let AdditionalPredicates = [NotInMicroMips] in{
|
|
def CVT_S_L : ABSS_FT<"cvt.s.l", FGR32Opnd, FGR64Opnd, II_CVT>,
|
|
ABSS_FM<0x20, 21>, FGR_64;
|
|
}
|
|
def CVT_D64_W : ABSS_FT<"cvt.d.w", FGR64Opnd, FGR32Opnd, II_CVT>,
|
|
ABSS_FM<0x21, 20>, FGR_64;
|
|
def CVT_D64_S : ABSS_FT<"cvt.d.s", FGR64Opnd, FGR32Opnd, II_CVT>,
|
|
ABSS_FM<0x21, 16>, FGR_64;
|
|
def CVT_D64_L : ABSS_FT<"cvt.d.l", FGR64Opnd, FGR64Opnd, II_CVT>,
|
|
ABSS_FM<0x21, 21>, FGR_64;
|
|
}
|
|
|
|
let isPseudo = 1, isCodeGenOnly = 1 in {
|
|
def PseudoCVT_S_W : ABSS_FT<"", FGR32Opnd, GPR32Opnd, II_CVT>;
|
|
def PseudoCVT_D32_W : ABSS_FT<"", AFGR64Opnd, GPR32Opnd, II_CVT>;
|
|
def PseudoCVT_S_L : ABSS_FT<"", FGR64Opnd, GPR64Opnd, II_CVT>;
|
|
def PseudoCVT_D64_W : ABSS_FT<"", FGR64Opnd, GPR32Opnd, II_CVT>;
|
|
def PseudoCVT_D64_L : ABSS_FT<"", FGR64Opnd, GPR64Opnd, II_CVT>;
|
|
}
|
|
|
|
def FABS_S : MMRel, ABSS_FT<"abs.s", FGR32Opnd, FGR32Opnd, II_ABS, fabs>,
|
|
ABSS_FM<0x5, 16>;
|
|
def FNEG_S : MMRel, ABSS_FT<"neg.s", FGR32Opnd, FGR32Opnd, II_NEG, fneg>,
|
|
ABSS_FM<0x7, 16>;
|
|
defm FABS : ABSS_M<"abs.d", II_ABS, fabs>, ABSS_FM<0x5, 17>;
|
|
defm FNEG : ABSS_M<"neg.d", II_NEG, fneg>, ABSS_FM<0x7, 17>;
|
|
|
|
def FSQRT_S : MMRel, StdMMR6Rel, ABSS_FT<"sqrt.s", FGR32Opnd, FGR32Opnd,
|
|
II_SQRT_S, fsqrt>, ABSS_FM<0x4, 16>, ISA_MIPS2;
|
|
defm FSQRT : ABSS_M<"sqrt.d", II_SQRT_D, fsqrt>, ABSS_FM<0x4, 17>, ISA_MIPS2;
|
|
|
|
// 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
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def CFC1 : MMRel, MFC1_FT<"cfc1", GPR32Opnd, CCROpnd, II_CFC1>, MFC1_FM<2>;
|
|
def CTC1 : MMRel, MTC1_FT<"ctc1", CCROpnd, GPR32Opnd, II_CTC1>, MFC1_FM<6>;
|
|
}
|
|
def MFC1 : MMRel, MFC1_FT<"mfc1", GPR32Opnd, FGR32Opnd, II_MFC1,
|
|
bitconvert>, MFC1_FM<0>;
|
|
def MTC1 : MMRel, MTC1_FT<"mtc1", FGR32Opnd, GPR32Opnd, II_MTC1,
|
|
bitconvert>, MFC1_FM<4>;
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def MFHC1_D32 : MMRel, MFC1_FT<"mfhc1", GPR32Opnd, AFGR64Opnd, II_MFHC1>,
|
|
MFC1_FM<3>, ISA_MIPS32R2, FGR_32;
|
|
def MFHC1_D64 : MFC1_FT<"mfhc1", GPR32Opnd, FGR64Opnd, II_MFHC1>,
|
|
MFC1_FM<3>, ISA_MIPS32R2, FGR_64 {
|
|
let DecoderNamespace = "Mips64";
|
|
}
|
|
}
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def MTHC1_D32 : MMRel, StdMMR6Rel, MTC1_64_FT<"mthc1", AFGR64Opnd, GPR32Opnd, II_MTHC1>,
|
|
MFC1_FM<7>, ISA_MIPS32R2, FGR_32;
|
|
def MTHC1_D64 : MTC1_64_FT<"mthc1", FGR64Opnd, GPR32Opnd, II_MTHC1>,
|
|
MFC1_FM<7>, ISA_MIPS32R2, FGR_64 {
|
|
let DecoderNamespace = "Mips64";
|
|
}
|
|
}
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def DMTC1 : MTC1_FT<"dmtc1", FGR64Opnd, GPR64Opnd, II_DMTC1,
|
|
bitconvert>, MFC1_FM<5>, ISA_MIPS3;
|
|
def DMFC1 : MFC1_FT<"dmfc1", GPR64Opnd, FGR64Opnd, II_DMFC1,
|
|
bitconvert>, MFC1_FM<1>, ISA_MIPS3;
|
|
}
|
|
|
|
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>, FGR_32;
|
|
def FMOV_D64 : ABSS_FT<"mov.d", FGR64Opnd, FGR64Opnd, II_MOV_D>,
|
|
ABSS_FM<0x6, 17>, FGR_64 {
|
|
let DecoderNamespace = "Mips64";
|
|
}
|
|
|
|
/// Floating Point Memory Instructions
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def LWC1 : MMRel, LW_FT<"lwc1", FGR32Opnd, mem_simm16, II_LWC1, load>,
|
|
LW_FM<0x31>;
|
|
def SWC1 : MMRel, SW_FT<"swc1", FGR32Opnd, mem_simm16, II_SWC1, store>,
|
|
LW_FM<0x39>;
|
|
}
|
|
|
|
let DecoderNamespace = "Mips64", AdditionalPredicates = [NotInMicroMips] in {
|
|
def LDC164 : StdMMR6Rel, LW_FT<"ldc1", FGR64Opnd, mem_simm16, II_LDC1, load>,
|
|
LW_FM<0x35>, ISA_MIPS2, FGR_64 {
|
|
let BaseOpcode = "LDC164";
|
|
}
|
|
def SDC164 : StdMMR6Rel, SW_FT<"sdc1", FGR64Opnd, mem_simm16, II_SDC1, store>,
|
|
LW_FM<0x3d>, ISA_MIPS2, FGR_64;
|
|
}
|
|
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def LDC1 : MMRel, StdMMR6Rel, LW_FT<"ldc1", AFGR64Opnd, mem_simm16, II_LDC1,
|
|
load>, LW_FM<0x35>, ISA_MIPS2, FGR_32 {
|
|
let BaseOpcode = "LDC132";
|
|
}
|
|
def SDC1 : MMRel, SW_FT<"sdc1", AFGR64Opnd, mem_simm16, II_SDC1, store>,
|
|
LW_FM<0x3d>, ISA_MIPS2, FGR_32;
|
|
}
|
|
|
|
// Indexed loads and stores.
|
|
// Base register + offset register addressing mode (indicated by "x" in the
|
|
// instruction mnemonic) is disallowed under NaCl.
|
|
let AdditionalPredicates = [IsNotNaCl] in {
|
|
def LWXC1 : MMRel, LWXC1_FT<"lwxc1", FGR32Opnd, II_LWXC1, load>, LWXC1_FM<0>,
|
|
INSN_MIPS4_32R2_NOT_32R6_64R6;
|
|
def SWXC1 : MMRel, SWXC1_FT<"swxc1", FGR32Opnd, II_SWXC1, store>, SWXC1_FM<8>,
|
|
INSN_MIPS4_32R2_NOT_32R6_64R6;
|
|
}
|
|
|
|
let AdditionalPredicates = [NotInMicroMips, IsNotNaCl] in {
|
|
def LDXC1 : LWXC1_FT<"ldxc1", AFGR64Opnd, II_LDXC1, load>, LWXC1_FM<1>,
|
|
INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
|
|
def SDXC1 : SWXC1_FT<"sdxc1", AFGR64Opnd, II_SDXC1, store>, SWXC1_FM<9>,
|
|
INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
|
|
}
|
|
|
|
let DecoderNamespace="Mips64" in {
|
|
def LDXC164 : LWXC1_FT<"ldxc1", FGR64Opnd, II_LDXC1, load>, LWXC1_FM<1>,
|
|
INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
|
|
def SDXC164 : SWXC1_FT<"sdxc1", FGR64Opnd, II_SDXC1, store>, SWXC1_FM<9>,
|
|
INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
|
|
}
|
|
|
|
// Load/store doubleword indexed unaligned.
|
|
let AdditionalPredicates = [IsNotNaCl] in {
|
|
def LUXC1 : MMRel, LWXC1_FT<"luxc1", AFGR64Opnd, II_LUXC1>, LWXC1_FM<0x5>,
|
|
INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_32;
|
|
def SUXC1 : MMRel, SWXC1_FT<"suxc1", AFGR64Opnd, II_SUXC1>, SWXC1_FM<0xd>,
|
|
INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_32;
|
|
}
|
|
|
|
let DecoderNamespace="Mips64" in {
|
|
def LUXC164 : LWXC1_FT<"luxc1", FGR64Opnd, II_LUXC1>, LWXC1_FM<0x5>,
|
|
INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_64;
|
|
def SUXC164 : SWXC1_FT<"suxc1", FGR64Opnd, II_SUXC1>, SWXC1_FM<0xd>,
|
|
INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_64;
|
|
}
|
|
|
|
/// Floating-point Aritmetic
|
|
def FADD_S : MMRel, ADDS_FT<"add.s", FGR32Opnd, II_ADD_S, 1, fadd>,
|
|
ADDS_FM<0x00, 16>;
|
|
defm FADD : ADDS_M<"add.d", II_ADD_D, 1, fadd>, ADDS_FM<0x00, 17>;
|
|
def FDIV_S : MMRel, ADDS_FT<"div.s", FGR32Opnd, II_DIV_S, 0, fdiv>,
|
|
ADDS_FM<0x03, 16>;
|
|
defm FDIV : ADDS_M<"div.d", II_DIV_D, 0, fdiv>, ADDS_FM<0x03, 17>;
|
|
def FMUL_S : MMRel, ADDS_FT<"mul.s", FGR32Opnd, II_MUL_S, 1, fmul>,
|
|
ADDS_FM<0x02, 16>;
|
|
defm FMUL : ADDS_M<"mul.d", II_MUL_D, 1, fmul>, ADDS_FM<0x02, 17>;
|
|
def FSUB_S : MMRel, ADDS_FT<"sub.s", FGR32Opnd, II_SUB_S, 0, fsub>,
|
|
ADDS_FM<0x01, 16>;
|
|
defm FSUB : ADDS_M<"sub.d", II_SUB_D, 0, fsub>, ADDS_FM<0x01, 17>;
|
|
|
|
def MADD_S : MMRel, MADDS_FT<"madd.s", FGR32Opnd, II_MADD_S, fadd>,
|
|
MADDS_FM<4, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6;
|
|
def MSUB_S : MMRel, MADDS_FT<"msub.s", FGR32Opnd, II_MSUB_S, fsub>,
|
|
MADDS_FM<5, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6;
|
|
|
|
let AdditionalPredicates = [NoNaNsFPMath] in {
|
|
def NMADD_S : MMRel, NMADDS_FT<"nmadd.s", FGR32Opnd, II_NMADD_S, fadd>,
|
|
MADDS_FM<6, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6;
|
|
def NMSUB_S : MMRel, NMADDS_FT<"nmsub.s", FGR32Opnd, II_NMSUB_S, fsub>,
|
|
MADDS_FM<7, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6;
|
|
}
|
|
|
|
def MADD_D32 : MMRel, MADDS_FT<"madd.d", AFGR64Opnd, II_MADD_D, fadd>,
|
|
MADDS_FM<4, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
|
|
def MSUB_D32 : MMRel, MADDS_FT<"msub.d", AFGR64Opnd, II_MSUB_D, fsub>,
|
|
MADDS_FM<5, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
|
|
|
|
let AdditionalPredicates = [NoNaNsFPMath] in {
|
|
def NMADD_D32 : MMRel, NMADDS_FT<"nmadd.d", AFGR64Opnd, II_NMADD_D, fadd>,
|
|
MADDS_FM<6, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
|
|
def NMSUB_D32 : MMRel, NMADDS_FT<"nmsub.d", AFGR64Opnd, II_NMSUB_D, fsub>,
|
|
MADDS_FM<7, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
|
|
}
|
|
|
|
let DecoderNamespace = "Mips64" in {
|
|
def MADD_D64 : MADDS_FT<"madd.d", FGR64Opnd, II_MADD_D, fadd>,
|
|
MADDS_FM<4, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
|
|
def MSUB_D64 : MADDS_FT<"msub.d", FGR64Opnd, II_MSUB_D, fsub>,
|
|
MADDS_FM<5, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
|
|
}
|
|
|
|
let AdditionalPredicates = [NoNaNsFPMath],
|
|
DecoderNamespace = "Mips64" in {
|
|
def NMADD_D64 : NMADDS_FT<"nmadd.d", FGR64Opnd, II_NMADD_D, fadd>,
|
|
MADDS_FM<6, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
|
|
def NMSUB_D64 : NMADDS_FT<"nmsub.d", FGR64Opnd, II_NMSUB_D, fsub>,
|
|
MADDS_FM<7, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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)>;
|
|
|
|
def BC1F : MMRel, BC1F_FT<"bc1f", brtarget, II_BC1F, MIPS_BRANCH_F>,
|
|
BC1F_FM<0, 0>, ISA_MIPS1_NOT_32R6_64R6;
|
|
def BC1FL : MMRel, BC1F_FT<"bc1fl", brtarget, II_BC1FL, MIPS_BRANCH_F, 0>,
|
|
BC1F_FM<1, 0>, ISA_MIPS2_NOT_32R6_64R6;
|
|
def BC1T : MMRel, BC1F_FT<"bc1t", brtarget, II_BC1T, MIPS_BRANCH_T>,
|
|
BC1F_FM<0, 1>, ISA_MIPS1_NOT_32R6_64R6;
|
|
def BC1TL : MMRel, BC1F_FT<"bc1tl", brtarget, II_BC1TL, MIPS_BRANCH_T, 0>,
|
|
BC1F_FM<1, 1>, ISA_MIPS2_NOT_32R6_64R6;
|
|
|
|
/// 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;
|
|
def FCMP_D32 : MMRel, CEQS_FT<"d", AFGR64, II_C_CC_D, MipsFPCmp>, CEQS_FM<17>,
|
|
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, FGR_64;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Floating Point Pseudo-Instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// This pseudo instr gets expanded into 2 mtc1 instrs after register
|
|
// allocation.
|
|
class BuildPairF64Base<RegisterOperand RO> :
|
|
PseudoSE<(outs RO:$dst), (ins GPR32Opnd:$lo, GPR32Opnd:$hi),
|
|
[(set RO:$dst, (MipsBuildPairF64 GPR32Opnd:$lo, GPR32Opnd:$hi))],
|
|
II_MTC1>;
|
|
|
|
def BuildPairF64 : BuildPairF64Base<AFGR64Opnd>, FGR_32, HARDFLOAT;
|
|
def BuildPairF64_64 : BuildPairF64Base<FGR64Opnd>, FGR_64, HARDFLOAT;
|
|
|
|
// This pseudo instr gets expanded into 2 mfc1 instrs after register
|
|
// allocation.
|
|
// if n is 0, lower part of src is extracted.
|
|
// if n is 1, higher part of src is extracted.
|
|
// This node has associated scheduling information as the pre RA scheduler
|
|
// asserts otherwise.
|
|
class ExtractElementF64Base<RegisterOperand RO> :
|
|
PseudoSE<(outs GPR32Opnd:$dst), (ins RO:$src, i32imm:$n),
|
|
[(set GPR32Opnd:$dst, (MipsExtractElementF64 RO:$src, imm:$n))],
|
|
II_MFC1>;
|
|
|
|
def ExtractElementF64 : ExtractElementF64Base<AFGR64Opnd>, FGR_32, HARDFLOAT;
|
|
def ExtractElementF64_64 : ExtractElementF64Base<FGR64Opnd>, FGR_64, HARDFLOAT;
|
|
|
|
def PseudoTRUNC_W_S : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
|
|
(ins FGR32Opnd:$fs, GPR32Opnd:$rs),
|
|
"trunc.w.s\t$fd, $fs, $rs">;
|
|
|
|
def PseudoTRUNC_W_D32 : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
|
|
(ins AFGR64Opnd:$fs, GPR32Opnd:$rs),
|
|
"trunc.w.d\t$fd, $fs, $rs">,
|
|
FGR_32, HARDFLOAT;
|
|
|
|
def PseudoTRUNC_W_D : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
|
|
(ins FGR64Opnd:$fs, GPR32Opnd:$rs),
|
|
"trunc.w.d\t$fd, $fs, $rs">,
|
|
FGR_64, HARDFLOAT;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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;
|
|
def : MipsInstAlias
|
|
<"s.d $fd, $addr", (SDC1 AFGR64Opnd:$fd, mem_simm16:$addr), 0>,
|
|
FGR_32, ISA_MIPS2, HARDFLOAT;
|
|
def : MipsInstAlias
|
|
<"s.d $fd, $addr", (SDC164 FGR64Opnd:$fd, mem_simm16:$addr), 0>,
|
|
FGR_64, ISA_MIPS2, HARDFLOAT;
|
|
|
|
def : MipsInstAlias
|
|
<"l.s $fd, $addr", (LWC1 FGR32Opnd:$fd, mem_simm16:$addr), 0>,
|
|
ISA_MIPS2, HARDFLOAT;
|
|
def : MipsInstAlias
|
|
<"l.d $fd, $addr", (LDC1 AFGR64Opnd:$fd, mem_simm16:$addr), 0>,
|
|
FGR_32, ISA_MIPS2, HARDFLOAT;
|
|
def : MipsInstAlias
|
|
<"l.d $fd, $addr", (LDC164 FGR64Opnd:$fd, mem_simm16:$addr), 0>,
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FGR_64, ISA_MIPS2, HARDFLOAT;
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//===----------------------------------------------------------------------===//
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// Floating Point Patterns
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//===----------------------------------------------------------------------===//
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def : MipsPat<(f32 fpimm0), (MTC1 ZERO)>;
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def : MipsPat<(f32 fpimm0neg), (FNEG_S (MTC1 ZERO))>;
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def : MipsPat<(f32 (sint_to_fp GPR32Opnd:$src)),
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(PseudoCVT_S_W GPR32Opnd:$src)>;
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def : MipsPat<(MipsTruncIntFP FGR32Opnd:$src),
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(TRUNC_W_S FGR32Opnd:$src)>;
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def : MipsPat<(f64 (sint_to_fp GPR32Opnd:$src)),
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(PseudoCVT_D32_W GPR32Opnd:$src)>, FGR_32;
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def : MipsPat<(MipsTruncIntFP AFGR64Opnd:$src),
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(TRUNC_W_D32 AFGR64Opnd:$src)>, FGR_32;
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def : MipsPat<(f32 (fpround AFGR64Opnd:$src)),
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(CVT_S_D32 AFGR64Opnd:$src)>, FGR_32;
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def : MipsPat<(f64 (fpextend FGR32Opnd:$src)),
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(CVT_D32_S FGR32Opnd:$src)>, FGR_32;
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def : MipsPat<(f64 fpimm0), (DMTC1 ZERO_64)>, FGR_64;
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def : MipsPat<(f64 fpimm0neg), (FNEG_D64 (DMTC1 ZERO_64))>, FGR_64;
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def : MipsPat<(f64 (sint_to_fp GPR32Opnd:$src)),
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(PseudoCVT_D64_W GPR32Opnd:$src)>, FGR_64;
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def : MipsPat<(f32 (sint_to_fp GPR64Opnd:$src)),
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(EXTRACT_SUBREG (PseudoCVT_S_L GPR64Opnd:$src), sub_lo)>, FGR_64;
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def : MipsPat<(f64 (sint_to_fp GPR64Opnd:$src)),
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(PseudoCVT_D64_L GPR64Opnd:$src)>, FGR_64;
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def : MipsPat<(MipsTruncIntFP FGR64Opnd:$src),
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(TRUNC_W_D64 FGR64Opnd:$src)>, FGR_64;
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def : MipsPat<(MipsTruncIntFP FGR32Opnd:$src),
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(TRUNC_L_S FGR32Opnd:$src)>, FGR_64;
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def : MipsPat<(MipsTruncIntFP FGR64Opnd:$src),
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(TRUNC_L_D64 FGR64Opnd:$src)>, FGR_64;
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def : MipsPat<(f32 (fpround FGR64Opnd:$src)),
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(CVT_S_D64 FGR64Opnd:$src)>, FGR_64;
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def : MipsPat<(f64 (fpextend FGR32Opnd:$src)),
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(CVT_D64_S FGR32Opnd:$src)>, FGR_64;
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// Patterns for loads/stores with a reg+imm operand.
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let AdditionalPredicates = [NotInMicroMips] in {
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let AddedComplexity = 40 in {
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def : LoadRegImmPat<LWC1, f32, load>;
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def : StoreRegImmPat<SWC1, f32>;
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def : LoadRegImmPat<LDC164, f64, load>, FGR_64;
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def : StoreRegImmPat<SDC164, f64>, FGR_64;
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def : LoadRegImmPat<LDC1, f64, load>, FGR_32;
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def : StoreRegImmPat<SDC1, f64>, FGR_32;
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}
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}
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