From: Petar Jovanovic Date: Tue, 6 Jun 2017 15:33:01 +0000 (+0000) Subject: [mips] Add madd4 subtarget feature X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=55caeda9d7d2d211610b851d01317c0d798a81fd;p=llvm [mips] Add madd4 subtarget feature Addition of a feature and a predicate used to control generation of madd.fmt and similar instructions. Patch by Stefan Maksimovic. Differential Revision: https://reviews.llvm.org/D33400 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304801 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/Mips/Mips.td b/lib/Target/Mips/Mips.td index 9615bc38bfc..f24761d7d10 100644 --- a/lib/Target/Mips/Mips.td +++ b/lib/Target/Mips/Mips.td @@ -185,6 +185,9 @@ def FeatureUseTCCInDIV : SubtargetFeature< "UseTCCInDIV", "false", "Force the assembler to use trapping">; +def FeatureMadd4 : SubtargetFeature<"nomadd4", "DisableMadd4", "true", + "Disable 4-operand madd.fmt and related instructions">; + //===----------------------------------------------------------------------===// // Mips processors supported. //===----------------------------------------------------------------------===// diff --git a/lib/Target/Mips/MipsInstrFPU.td b/lib/Target/Mips/MipsInstrFPU.td index d81a769d7fd..94f3a74be98 100644 --- a/lib/Target/Mips/MipsInstrFPU.td +++ b/lib/Target/Mips/MipsInstrFPU.td @@ -557,11 +557,11 @@ def FSUB_S : MMRel, ADDS_FT<"sub.s", FGR32Opnd, II_SUB_S, 0, fsub>, 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; + MADDS_FM<4, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6, MADD4; def MSUB_S : MMRel, MADDS_FT<"msub.s", FGR32Opnd, II_MSUB_S, fsub>, - MADDS_FM<5, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6; + MADDS_FM<5, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6, MADD4; -let AdditionalPredicates = [NoNaNsFPMath] in { +let AdditionalPredicates = [NoNaNsFPMath, HasMadd4] 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>, @@ -569,11 +569,11 @@ let AdditionalPredicates = [NoNaNsFPMath] in { } 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; + MADDS_FM<4, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32, MADD4; 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; + MADDS_FM<5, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32, MADD4; -let AdditionalPredicates = [NoNaNsFPMath] in { +let AdditionalPredicates = [NoNaNsFPMath, HasMadd4] 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>, @@ -582,12 +582,12 @@ let AdditionalPredicates = [NoNaNsFPMath] in { 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; + MADDS_FM<4, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64, MADD4; def MSUB_D64 : MADDS_FT<"msub.d", FGR64Opnd, II_MSUB_D, fsub>, - MADDS_FM<5, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64; + MADDS_FM<5, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64, MADD4; } -let AdditionalPredicates = [NoNaNsFPMath], +let AdditionalPredicates = [NoNaNsFPMath, HasMadd4], 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; diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td index 8761946b8db..40078fb7714 100644 --- a/lib/Target/Mips/MipsInstrInfo.td +++ b/lib/Target/Mips/MipsInstrInfo.td @@ -238,6 +238,8 @@ def HasEVA : Predicate<"Subtarget->hasEVA()">, AssemblerPredicate<"FeatureEVA,FeatureMips32r2">; def HasMSA : Predicate<"Subtarget->hasMSA()">, AssemblerPredicate<"FeatureMSA">; +def HasMadd4 : Predicate<"!Subtarget->disableMadd4()">, + AssemblerPredicate<"!FeatureMadd4">; //===----------------------------------------------------------------------===// @@ -390,6 +392,10 @@ class ASE_NOT_DSP { list InsnPredicates = [NotDSP]; } +class MADD4 { + list AdditionalPredicates = [HasMadd4]; +} + //===----------------------------------------------------------------------===// class MipsPat : Pat, PredicateControl { diff --git a/lib/Target/Mips/MipsSubtarget.cpp b/lib/Target/Mips/MipsSubtarget.cpp index 6b4a3f9a140..154d5825427 100644 --- a/lib/Target/Mips/MipsSubtarget.cpp +++ b/lib/Target/Mips/MipsSubtarget.cpp @@ -70,7 +70,7 @@ MipsSubtarget::MipsSubtarget(const Triple &TT, StringRef CPU, StringRef FS, InMips16HardFloat(Mips16HardFloat), InMicroMipsMode(false), HasDSP(false), HasDSPR2(false), HasDSPR3(false), AllowMixed16_32(Mixed16_32 | Mips_Os16), Os16(Mips_Os16), HasMSA(false), UseTCCInDIV(false), HasSym32(false), - HasEVA(false), TM(TM), TargetTriple(TT), TSInfo(), + HasEVA(false), DisableMadd4(false), TM(TM), TargetTriple(TT), TSInfo(), InstrInfo( MipsInstrInfo::create(initializeSubtargetDependencies(CPU, FS, TM))), FrameLowering(MipsFrameLowering::create(*this)), diff --git a/lib/Target/Mips/MipsSubtarget.h b/lib/Target/Mips/MipsSubtarget.h index b4d15ee361f..ba9f9d2836a 100644 --- a/lib/Target/Mips/MipsSubtarget.h +++ b/lib/Target/Mips/MipsSubtarget.h @@ -144,6 +144,10 @@ class MipsSubtarget : public MipsGenSubtargetInfo { // HasEVA -- supports EVA ASE. bool HasEVA; + + // nomadd4 - disables generation of 4-operand madd.s, madd.d and + // related instructions. + bool DisableMadd4; InstrItineraryData InstrItins; @@ -253,6 +257,7 @@ public: bool hasDSPR2() const { return HasDSPR2; } bool hasDSPR3() const { return HasDSPR3; } bool hasMSA() const { return HasMSA; } + bool disableMadd4() const { return DisableMadd4; } bool hasEVA() const { return HasEVA; } bool useSmallSection() const { return UseSmallSection; } diff --git a/test/CodeGen/Mips/fmadd1.ll b/test/CodeGen/Mips/fmadd1.ll index c155eedd62c..d7f6308ac0b 100644 --- a/test/CodeGen/Mips/fmadd1.ll +++ b/test/CodeGen/Mips/fmadd1.ll @@ -5,52 +5,63 @@ ; IEEE 754 (1985) and IEEE 754 (2008). These instructions are therefore only ; available when -enable-no-nans-fp-math is given. -; RUN: llc < %s -march=mipsel -mcpu=mips32 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,32,32-NONAN +; RUN: llc < %s -march=mipsel -mcpu=mips32 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,32-NOMADD,32-NONAN-NOMADD ; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,32R2,32R2-NONAN -; RUN: llc < %s -march=mipsel -mcpu=mips32r6 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,32R6,32R6-NONAN +; RUN: llc < %s -march=mipsel -mcpu=mips32r6 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,32R6-NOMADD,32R6-NONAN-NOMADD ; RUN: llc < %s -march=mips64el -mcpu=mips64 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,64,64-NONAN ; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,64R2,64R2-NONAN -; RUN: llc < %s -march=mips64el -mcpu=mips64r6 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,64R6,64R6-NONAN -; RUN: llc < %s -march=mipsel -mcpu=mips32 | FileCheck %s -check-prefixes=ALL,32,32-NAN +; RUN: llc < %s -march=mips64el -mcpu=mips64r6 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,64R6-NOMADD,64R6-NONAN-NOMADD +; RUN: llc < %s -march=mipsel -mcpu=mips32 | FileCheck %s -check-prefixes=ALL,32-NOMADD,32-NAN-NOMADD ; RUN: llc < %s -march=mipsel -mcpu=mips32r2 | FileCheck %s -check-prefixes=ALL,32R2,32R2-NAN -; RUN: llc < %s -march=mipsel -mcpu=mips32r6 | FileCheck %s -check-prefixes=ALL,32R6,32R6-NAN +; RUN: llc < %s -march=mipsel -mcpu=mips32r6 | FileCheck %s -check-prefixes=ALL,32R6-NOMADD,32R6-NAN-NOMADD ; RUN: llc < %s -march=mips64el -mcpu=mips64 -target-abi=n64 | FileCheck %s -check-prefixes=ALL,64,64-NAN ; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -target-abi=n64 | FileCheck %s -check-prefixes=ALL,64R2,64R2-NAN -; RUN: llc < %s -march=mips64el -mcpu=mips64r6 -target-abi=n64 | FileCheck %s -check-prefixes=ALL,64R6,64R6-NAN +; RUN: llc < %s -march=mips64el -mcpu=mips64r6 -target-abi=n64 | FileCheck %s -check-prefixes=ALL,64R6-NOMADD,64R6-NAN-NOMADD + +; Check that madd.[ds], msub.[ds], nmadd.[ds], and nmsub.[ds] are not generated +; when +nomadd attribute is specified. +; Output for mips32 and mips64r6 reused since aforementioned instructions are +; not generated in those cases. +; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -enable-no-nans-fp-math -mattr=+nomadd4 | FileCheck %s -check-prefixes=ALL,32-NOMADD,32-NONAN-NOMADD +; RUN: llc < %s -march=mips64el -mcpu=mips64 -target-abi=n64 -enable-no-nans-fp-math -mattr=+nomadd4 | FileCheck %s -check-prefixes=ALL,64R6-NOMADD,64R6-NONAN-NOMADD +; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -target-abi=n64 -enable-no-nans-fp-math -mattr=+nomadd4 | FileCheck %s -check-prefixes=ALL,64R6-NOMADD,64R6-NONAN-NOMADD +; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -mattr=+nomadd4 | FileCheck %s -check-prefixes=ALL,32-NOMADD,32-NAN-NOMADD +; RUN: llc < %s -march=mips64el -mcpu=mips64 -target-abi=n64 -mattr=+nomadd4 | FileCheck %s -check-prefixes=ALL,64R6-NOMADD,64R6-NAN-NOMADD +; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -target-abi=n64 -mattr=+nomadd4 | FileCheck %s -check-prefixes=ALL,64R6-NOMADD,64R6-NAN-NOMADD define float @FOO0float(float %a, float %b, float %c) nounwind readnone { entry: ; ALL-LABEL: FOO0float: -; 32-DAG: mtc1 $6, $[[T0:f[0-9]+]] -; 32-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 -; 32-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32-DAG: add.s $f0, $[[T1]], $[[T2]] +; 32-NOMADD-DAG: mtc1 $6, $[[T0:f[0-9]+]] +; 32-NOMADD-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 +; 32-NOMADD-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32-NOMADD-DAG: add.s $f0, $[[T1]], $[[T2]] -; 32R2: mtc1 $6, $[[T0:f[0-9]+]] -; 32R2: madd.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 -; 32R2: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R2: add.s $f0, $[[T1]], $[[T2]] +; 32R2: mtc1 $6, $[[T0:f[0-9]+]] +; 32R2: madd.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 +; 32R2: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R2: add.s $f0, $[[T1]], $[[T2]] -; 32R6-DAG: mtc1 $6, $[[T0:f[0-9]+]] -; 32R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 -; 32R6-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R6-DAG: add.s $f0, $[[T1]], $[[T2]] +; 32R6-NOMADD-DAG: mtc1 $6, $[[T0:f[0-9]+]] +; 32R6-NOMADD-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 +; 32R6-NOMADD-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R6-NOMADD-DAG: add.s $f0, $[[T1]], $[[T2]] -; 64-DAG: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64-DAG: mtc1 $zero, $[[T1:f[0-9]+]] -; 64-DAG: add.s $f0, $[[T0]], $[[T1]] +; 64-DAG: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64-DAG: mtc1 $zero, $[[T1:f[0-9]+]] +; 64-DAG: add.s $f0, $[[T0]], $[[T1]] -; 64R2: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64R2: mtc1 $zero, $[[T1:f[0-9]+]] -; 64R2: add.s $f0, $[[T0]], $[[T1]] +; 64R2: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64R2: mtc1 $zero, $[[T1:f[0-9]+]] +; 64R2: add.s $f0, $[[T0]], $[[T1]] -; 64R6-DAG: mul.s $[[T0:f[0-9]+]], $f12, $f13 -; 64R6-DAG: add.s $[[T1:f[0-9]+]], $[[T0]], $f14 -; 64R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 64R6-DAG: add.s $f0, $[[T1]], $[[T2]] +; 64R6-NOMADD-DAG: mul.s $[[T0:f[0-9]+]], $f12, $f13 +; 64R6-NOMADD-DAG: add.s $[[T1:f[0-9]+]], $[[T0]], $f14 +; 64R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 64R6-NOMADD-DAG: add.s $f0, $[[T1]], $[[T2]] %mul = fmul float %a, %b %add = fadd float %mul, %c @@ -62,35 +73,35 @@ define float @FOO1float(float %a, float %b, float %c) nounwind readnone { entry: ; ALL-LABEL: FOO1float: -; 32-DAG: mtc1 $6, $[[T0:f[0-9]+]] -; 32-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 -; 32-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32-DAG: add.s $f0, $[[T1]], $[[T2]] +; 32-NOMADD-DAG: mtc1 $6, $[[T0:f[0-9]+]] +; 32-NOMADD-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 +; 32-NOMADD-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32-NOMADD-DAG: add.s $f0, $[[T1]], $[[T2]] -; 32R2: mtc1 $6, $[[T0:f[0-9]+]] -; 32R2: msub.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 -; 32R2: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R2: add.s $f0, $[[T1]], $[[T2]] +; 32R2: mtc1 $6, $[[T0:f[0-9]+]] +; 32R2: msub.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 +; 32R2: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R2: add.s $f0, $[[T1]], $[[T2]] -; 32R6-DAG: mtc1 $6, $[[T0:f[0-9]+]] -; 32R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 -; 32R6-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R6-DAG: add.s $f0, $[[T1]], $[[T2]] +; 32R6-NOMADD-DAG: mtc1 $6, $[[T0:f[0-9]+]] +; 32R6-NOMADD-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 +; 32R6-NOMADD-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R6-NOMADD-DAG: add.s $f0, $[[T1]], $[[T2]] -; 64-DAG: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64-DAG: mtc1 $zero, $[[T1:f[0-9]+]] -; 64-DAG: add.s $f0, $[[T0]], $[[T1]] +; 64-DAG: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64-DAG: mtc1 $zero, $[[T1:f[0-9]+]] +; 64-DAG: add.s $f0, $[[T0]], $[[T1]] -; 64R2: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64R2: mtc1 $zero, $[[T1:f[0-9]+]] -; 64R2: add.s $f0, $[[T0]], $[[T1]] +; 64R2: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64R2: mtc1 $zero, $[[T1:f[0-9]+]] +; 64R2: add.s $f0, $[[T0]], $[[T1]] -; 64R6-DAG: mul.s $[[T0:f[0-9]+]], $f12, $f13 -; 64R6-DAG: sub.s $[[T1:f[0-9]+]], $[[T0]], $f14 -; 64R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 64R6-DAG: add.s $f0, $[[T1]], $[[T2]] +; 64R6-NOMADD-DAG: mul.s $[[T0:f[0-9]+]], $f12, $f13 +; 64R6-NOMADD-DAG: sub.s $[[T1:f[0-9]+]], $[[T0]], $f14 +; 64R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 64R6-NOMADD-DAG: add.s $f0, $[[T1]], $[[T2]] %mul = fmul float %a, %b %sub = fsub float %mul, %c @@ -102,42 +113,42 @@ define float @FOO2float(float %a, float %b, float %c) nounwind readnone { entry: ; ALL-LABEL: FOO2float: -; 32-DAG: mtc1 $6, $[[T0:f[0-9]+]] -; 32-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 -; 32-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32-DAG: sub.s $f0, $[[T2]], $[[T1]] +; 32-NOMADD-DAG: mtc1 $6, $[[T0:f[0-9]+]] +; 32-NOMADD-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 +; 32-NOMADD-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32-NOMADD-DAG: sub.s $f0, $[[T2]], $[[T1]] -; 32R2-NONAN: mtc1 $6, $[[T0:f[0-9]+]] -; 32R2-NONAN: nmadd.s $f0, $[[T0]], $f12, $f14 +; 32R2-NONAN: mtc1 $6, $[[T0:f[0-9]+]] +; 32R2-NONAN: nmadd.s $f0, $[[T0]], $f12, $f14 -; 32R2-NAN: mtc1 $6, $[[T0:f[0-9]+]] -; 32R2-NAN: madd.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 -; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R2-NAN: sub.s $f0, $[[T2]], $[[T1]] +; 32R2-NAN: mtc1 $6, $[[T0:f[0-9]+]] +; 32R2-NAN: madd.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 +; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R2-NAN: sub.s $f0, $[[T2]], $[[T1]] -; 32R6-DAG: mtc1 $6, $[[T0:f[0-9]+]] -; 32R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 -; 32R6-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R6-DAG: sub.s $f0, $[[T2]], $[[T1]] +; 32R6-NOMADD-DAG: mtc1 $6, $[[T0:f[0-9]+]] +; 32R6-NOMADD-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 +; 32R6-NOMADD-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R6-NOMADD-DAG: sub.s $f0, $[[T2]], $[[T1]] -; 64-NONAN: nmadd.s $f0, $f14, $f12, $f13 +; 64-NONAN: nmadd.s $f0, $f14, $f12, $f13 -; 64-NAN: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64-NAN: mtc1 $zero, $[[T1:f[0-9]+]] -; 64-NAN: sub.s $f0, $[[T1]], $[[T0]] +; 64-NAN: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64-NAN: mtc1 $zero, $[[T1:f[0-9]+]] +; 64-NAN: sub.s $f0, $[[T1]], $[[T0]] -; 64R2-NONAN: nmadd.s $f0, $f14, $f12, $f13 +; 64R2-NONAN: nmadd.s $f0, $f14, $f12, $f13 -; 64R2-NAN: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]] -; 64R2-NAN: sub.s $f0, $[[T1]], $[[T0]] +; 64R2-NAN: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]] +; 64R2-NAN: sub.s $f0, $[[T1]], $[[T0]] -; 64R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13 -; 64R6-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $f14 -; 64R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 64R6-DAG: sub.s $f0, $[[T2]], $[[T1]] +; 64R6-NOMADD-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13 +; 64R6-NOMADD-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $f14 +; 64R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 64R6-NOMADD-DAG: sub.s $f0, $[[T2]], $[[T1]] %mul = fmul float %a, %b %add = fadd float %mul, %c @@ -149,34 +160,34 @@ define float @FOO3float(float %a, float %b, float %c) nounwind readnone { entry: ; ALL-LABEL: FOO3float: -; 32-DAG: mtc1 $6, $[[T0:f[0-9]+]] -; 32-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 -; 32-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32-DAG: sub.s $f0, $[[T2]], $[[T1]] +; 32-NOMADD-DAG: mtc1 $6, $[[T0:f[0-9]+]] +; 32-NOMADD-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14 +; 32-NOMADD-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32-NOMADD-DAG: sub.s $f0, $[[T2]], $[[T1]] -; 32R2-NONAN: mtc1 $6, $[[T0:f[0-9]+]] -; 32R2-NONAN: nmsub.s $f0, $[[T0]], $f12, $f14 +; 32R2-NONAN: mtc1 $6, $[[T0:f[0-9]+]] +; 32R2-NONAN: nmsub.s $f0, $[[T0]], $f12, $f14 -; 32R2-NAN: mtc1 $6, $[[T0:f[0-9]+]] -; 32R2-NAN: msub.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 -; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R2-NAN: sub.s $f0, $[[T2]], $[[T1]] +; 32R2-NAN: mtc1 $6, $[[T0:f[0-9]+]] +; 32R2-NAN: msub.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 +; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R2-NAN: sub.s $f0, $[[T2]], $[[T1]] -; 64-NAN: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64-NAN: mtc1 $zero, $[[T1:f[0-9]+]] -; 64-NAN: sub.s $f0, $[[T1]], $[[T0]] +; 64-NAN: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64-NAN: mtc1 $zero, $[[T1:f[0-9]+]] +; 64-NAN: sub.s $f0, $[[T1]], $[[T0]] -; 64-NONAN: nmsub.s $f0, $f14, $f12, $f13 +; 64-NONAN: nmsub.s $f0, $f14, $f12, $f13 -; 64R2-NAN: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]] -; 64R2-NAN: sub.s $f0, $[[T1]], $[[T0]] +; 64R2-NAN: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]] +; 64R2-NAN: sub.s $f0, $[[T1]], $[[T0]] -; 64R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13 -; 64R6-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $f14 -; 64R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 64R6-DAG: sub.s $f0, $[[T2]], $[[T1]] +; 64R6-NOMADD-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13 +; 64R6-NOMADD-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $f14 +; 64R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 64R6-NOMADD-DAG: sub.s $f0, $[[T2]], $[[T1]] %mul = fmul float %a, %b %sub = fsub float %mul, %c @@ -188,36 +199,36 @@ define double @FOO10double(double %a, double %b, double %c) nounwind readnone { entry: ; ALL-LABEL: FOO10double: -; 32-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 -; 32-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32-DAG: add.d $f0, $[[T1]], $[[T2]] - -; 32R2: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R2: madd.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 -; 32R2: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R2: mthc1 $zero, $[[T2]] -; 32R2: add.d $f0, $[[T1]], $[[T2]] - -; 32R6-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 -; 32R6-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R6-DAG: add.d $f0, $[[T1]], $[[T2]] - -; 64-DAG: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64-DAG: mtc1 $zero, $[[T1:f[0-9]+]] -; 64-DAG: add.d $f0, $[[T0]], $[[T1]] - -; 64R2: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64R2: mtc1 $zero, $[[T1:f[0-9]+]] -; 64R2: add.d $f0, $[[T0]], $[[T1]] - -; 64R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13 -; 64R6-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $f14 -; 64R6-DAG: dmtc1 $zero, $[[T2:f[0-9]+]] -; 64R6-DAG: add.d $f0, $[[T1]], $[[T2]] +; 32-NOMADD-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 +; 32-NOMADD-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32-NOMADD-DAG: add.d $f0, $[[T1]], $[[T2]] + +; 32R2: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R2: madd.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 +; 32R2: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R2: mthc1 $zero, $[[T2]] +; 32R2: add.d $f0, $[[T1]], $[[T2]] + +; 32R6-NOMADD-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R6-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 +; 32R6-NOMADD-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R6-NOMADD-DAG: add.d $f0, $[[T1]], $[[T2]] + +; 64-DAG: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64-DAG: mtc1 $zero, $[[T1:f[0-9]+]] +; 64-DAG: add.d $f0, $[[T0]], $[[T1]] + +; 64R2: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64R2: mtc1 $zero, $[[T1:f[0-9]+]] +; 64R2: add.d $f0, $[[T0]], $[[T1]] + +; 64R6-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13 +; 64R6-NOMADD-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $f14 +; 64R6-NOMADD-DAG: dmtc1 $zero, $[[T2:f[0-9]+]] +; 64R6-NOMADD-DAG: add.d $f0, $[[T1]], $[[T2]] %mul = fmul double %a, %b %add = fadd double %mul, %c @@ -229,36 +240,36 @@ define double @FOO11double(double %a, double %b, double %c) nounwind readnone { entry: ; ALL-LABEL: FOO11double: -; 32-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 -; 32-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32-DAG: add.d $f0, $[[T1]], $[[T2]] - -; 32R2: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R2: msub.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 -; 32R2: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R2: mthc1 $zero, $[[T2]] -; 32R2: add.d $f0, $[[T1]], $[[T2]] - -; 32R6-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 -; 32R6-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R6-DAG: add.d $f0, $[[T1]], $[[T2]] - -; 64-DAG: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64-DAG: mtc1 $zero, $[[T1:f[0-9]+]] -; 64-DAG: add.d $f0, $[[T0]], $[[T1]] - -; 64R2: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64R2: mtc1 $zero, $[[T1:f[0-9]+]] -; 64R2: add.d $f0, $[[T0]], $[[T1]] - -; 64R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13 -; 64R6-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $f14 -; 64R6-DAG: dmtc1 $zero, $[[T2:f[0-9]+]] -; 64R6-DAG: add.d $f0, $[[T1]], $[[T2]] +; 32-NOMADD-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 +; 32-NOMADD-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32-NOMADD-DAG: add.d $f0, $[[T1]], $[[T2]] + +; 32R2: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R2: msub.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 +; 32R2: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R2: mthc1 $zero, $[[T2]] +; 32R2: add.d $f0, $[[T1]], $[[T2]] + +; 32R6-NOMADD-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R6-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 +; 32R6-NOMADD-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R6-NOMADD-DAG: add.d $f0, $[[T1]], $[[T2]] + +; 64-DAG: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64-DAG: mtc1 $zero, $[[T1:f[0-9]+]] +; 64-DAG: add.d $f0, $[[T0]], $[[T1]] + +; 64R2: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64R2: mtc1 $zero, $[[T1:f[0-9]+]] +; 64R2: add.d $f0, $[[T0]], $[[T1]] + +; 64R6-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13 +; 64R6-NOMADD-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $f14 +; 64R6-NOMADD-DAG: dmtc1 $zero, $[[T2:f[0-9]+]] +; 64R6-NOMADD-DAG: add.d $f0, $[[T1]], $[[T2]] %mul = fmul double %a, %b %sub = fsub double %mul, %c @@ -270,43 +281,43 @@ define double @FOO12double(double %a, double %b, double %c) nounwind readnone { entry: ; ALL-LABEL: FOO12double: -; 32-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 -; 32-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32-DAG: sub.d $f0, $[[T2]], $[[T1]] +; 32-NOMADD-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 +; 32-NOMADD-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32-NOMADD-DAG: sub.d $f0, $[[T2]], $[[T1]] -; 32R2-NONAN: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R2-NONAN: nmadd.d $f0, $[[T0]], $f12, $f14 +; 32R2-NONAN: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R2-NONAN: nmadd.d $f0, $[[T0]], $f12, $f14 -; 32R2-NAN: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R2-NAN: madd.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 -; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R2-NAN: mthc1 $zero, $[[T2]] -; 32R2-NAN: sub.d $f0, $[[T2]], $[[T1]] +; 32R2-NAN: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R2-NAN: madd.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 +; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R2-NAN: mthc1 $zero, $[[T2]] +; 32R2-NAN: sub.d $f0, $[[T2]], $[[T1]] -; 32R6-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 -; 32R6-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R6-DAG: sub.d $f0, $[[T2]], $[[T1]] +; 32R6-NOMADD-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R6-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 +; 32R6-NOMADD-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R6-NOMADD-DAG: sub.d $f0, $[[T2]], $[[T1]] -; 64-NONAN: nmadd.d $f0, $f14, $f12, $f13 +; 64-NONAN: nmadd.d $f0, $f14, $f12, $f13 -; 64-NAN: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64-NAN: mtc1 $zero, $[[T1:f[0-9]+]] -; 64-NAN: sub.d $f0, $[[T1]], $[[T0]] +; 64-NAN: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64-NAN: mtc1 $zero, $[[T1:f[0-9]+]] +; 64-NAN: sub.d $f0, $[[T1]], $[[T0]] -; 64R2-NONAN: nmadd.d $f0, $f14, $f12, $f13 +; 64R2-NONAN: nmadd.d $f0, $f14, $f12, $f13 -; 64R2-NAN: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]] -; 64R2-NAN: sub.d $f0, $[[T1]], $[[T0]] +; 64R2-NAN: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]] +; 64R2-NAN: sub.d $f0, $[[T1]], $[[T0]] -; 64R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13 -; 64R6-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $f14 -; 64R6-DAG: dmtc1 $zero, $[[T2:f[0-9]+]] -; 64R6-DAG: sub.d $f0, $[[T2]], $[[T1]] +; 64R6-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13 +; 64R6-NOMADD-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $f14 +; 64R6-NOMADD-DAG: dmtc1 $zero, $[[T2:f[0-9]+]] +; 64R6-NOMADD-DAG: sub.d $f0, $[[T2]], $[[T1]] %mul = fmul double %a, %b %add = fadd double %mul, %c @@ -318,43 +329,43 @@ define double @FOO13double(double %a, double %b, double %c) nounwind readnone { entry: ; ALL-LABEL: FOO13double: -; 32-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 -; 32-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32-DAG: sub.d $f0, $[[T2]], $[[T1]] +; 32-NOMADD-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 +; 32-NOMADD-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32-NOMADD-DAG: sub.d $f0, $[[T2]], $[[T1]] -; 32R2-NONAN: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R2-NONAN: nmsub.d $f0, $[[T0]], $f12, $f14 +; 32R2-NONAN: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R2-NONAN: nmsub.d $f0, $[[T0]], $f12, $f14 -; 32R2-NAN: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R2-NAN: msub.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 -; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R2-NAN: mthc1 $zero, $[[T2]] -; 32R2-NAN: sub.d $f0, $[[T2]], $[[T1]] +; 32R2-NAN: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R2-NAN: msub.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14 +; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R2-NAN: mthc1 $zero, $[[T2]] +; 32R2-NAN: sub.d $f0, $[[T2]], $[[T1]] -; 32R6-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) -; 32R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 -; 32R6-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] -; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]] -; 32R6-DAG: sub.d $f0, $[[T2]], $[[T1]] +; 32R6-NOMADD-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp) +; 32R6-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14 +; 32R6-NOMADD-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]] +; 32R6-NOMADD-DAG: mtc1 $zero, $[[T2:f[0-9]+]] +; 32R6-NOMADD-DAG: sub.d $f0, $[[T2]], $[[T1]] -; 64-NONAN: nmsub.d $f0, $f14, $f12, $f13 +; 64-NONAN: nmsub.d $f0, $f14, $f12, $f13 -; 64-NAN: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64-NAN: mtc1 $zero, $[[T1:f[0-9]+]] -; 64-NAN: sub.d $f0, $[[T1]], $[[T0]] +; 64-NAN: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64-NAN: mtc1 $zero, $[[T1:f[0-9]+]] +; 64-NAN: sub.d $f0, $[[T1]], $[[T0]] -; 64R2-NONAN: nmsub.d $f0, $f14, $f12, $f13 +; 64R2-NONAN: nmsub.d $f0, $f14, $f12, $f13 -; 64R2-NAN: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13 -; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]] -; 64R2-NAN: sub.d $f0, $[[T1]], $[[T0]] +; 64R2-NAN: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13 +; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]] +; 64R2-NAN: sub.d $f0, $[[T1]], $[[T0]] -; 64R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13 -; 64R6-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $f14 -; 64R6-DAG: dmtc1 $zero, $[[T2:f[0-9]+]] -; 64R6-DAG: sub.d $f0, $[[T2]], $[[T1]] +; 64R6-NOMADD-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13 +; 64R6-NOMADD-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $f14 +; 64R6-NOMADD-DAG: dmtc1 $zero, $[[T2:f[0-9]+]] +; 64R6-NOMADD-DAG: sub.d $f0, $[[T2]], $[[T1]] %mul = fmul double %a, %b %sub = fsub double %mul, %c