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-rw-r--r--llvm/lib/Target/PowerPC/PPCFastISel.cpp27
-rw-r--r--llvm/lib/Target/PowerPC/PPCInstrVSX.td76
2 files changed, 94 insertions, 9 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCFastISel.cpp b/llvm/lib/Target/PowerPC/PPCFastISel.cpp
index 0b8e23c4ebf..a561d5b1190 100644
--- a/llvm/lib/Target/PowerPC/PPCFastISel.cpp
+++ b/llvm/lib/Target/PowerPC/PPCFastISel.cpp
@@ -148,6 +148,9 @@ class PPCFastISel final : public FastISel {
bool isVSFRCRegister(unsigned Register) const {
return MRI.getRegClass(Register)->getID() == PPC::VSFRCRegClassID;
}
+ bool isVSSRCRegister(unsigned Register) const {
+ return MRI.getRegClass(Register)->getID() == PPC::VSSRCRegClassID;
+ }
bool PPCEmitCmp(const Value *Src1Value, const Value *Src2Value,
bool isZExt, unsigned DestReg);
bool PPCEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
@@ -503,8 +506,11 @@ bool PPCFastISel::PPCEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
// If this is a potential VSX load with an offset of 0, a VSX indexed load can
// be used.
+ bool IsVSSRC = (ResultReg != 0) && isVSSRCRegister(ResultReg);
bool IsVSFRC = (ResultReg != 0) && isVSFRCRegister(ResultReg);
- if (IsVSFRC && (Opc == PPC::LFD) &&
+ bool Is32VSXLoad = IsVSSRC && Opc == PPC::LFS;
+ bool Is64VSXLoad = IsVSSRC && Opc == PPC::LFD;
+ if ((Is32VSXLoad || Is64VSXLoad) &&
(Addr.BaseType != Address::FrameIndexBase) && UseOffset &&
(Addr.Offset == 0)) {
UseOffset = false;
@@ -518,7 +524,7 @@ bool PPCFastISel::PPCEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
// into a RegBase.
if (Addr.BaseType == Address::FrameIndexBase) {
// VSX only provides an indexed load.
- if (IsVSFRC && Opc == PPC::LFD) return false;
+ if (Is32VSXLoad || Is64VSXLoad) return false;
MachineMemOperand *MMO =
FuncInfo.MF->getMachineMemOperand(
@@ -532,7 +538,7 @@ bool PPCFastISel::PPCEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
// Base reg with offset in range.
} else if (UseOffset) {
// VSX only provides an indexed load.
- if (IsVSFRC && Opc == PPC::LFD) return false;
+ if (Is32VSXLoad || Is64VSXLoad) return false;
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(Opc), ResultReg)
.addImm(Addr.Offset).addReg(Addr.Base.Reg);
@@ -555,7 +561,7 @@ bool PPCFastISel::PPCEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
case PPC::LWA: Opc = PPC::LWAX; break;
case PPC::LWA_32: Opc = PPC::LWAX_32; break;
case PPC::LD: Opc = PPC::LDX; break;
- case PPC::LFS: Opc = PPC::LFSX; break;
+ case PPC::LFS: Opc = IsVSSRC ? PPC::LXSSPX : PPC::LFSX; break;
case PPC::LFD: Opc = IsVSFRC ? PPC::LXSDX : PPC::LFDX; break;
}
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(Opc), ResultReg)
@@ -636,9 +642,12 @@ bool PPCFastISel::PPCEmitStore(MVT VT, unsigned SrcReg, Address &Addr) {
// If this is a potential VSX store with an offset of 0, a VSX indexed store
// can be used.
+ bool IsVSSRC = isVSSRCRegister(SrcReg);
bool IsVSFRC = isVSFRCRegister(SrcReg);
- if (IsVSFRC && (Opc == PPC::STFD) &&
- (Addr.BaseType != Address::FrameIndexBase) && UseOffset &&
+ bool Is32VSXStore = IsVSSRC && Opc == PPC::STFS;
+ bool Is64VSXStore = IsVSFRC && Opc == PPC::STFD;
+ if ((Is32VSXStore || Is64VSXStore) &&
+ (Addr.BaseType != Address::FrameIndexBase) && UseOffset &&
(Addr.Offset == 0)) {
UseOffset = false;
}
@@ -648,7 +657,7 @@ bool PPCFastISel::PPCEmitStore(MVT VT, unsigned SrcReg, Address &Addr) {
// into a RegBase.
if (Addr.BaseType == Address::FrameIndexBase) {
// VSX only provides an indexed store.
- if (IsVSFRC && Opc == PPC::STFD) return false;
+ if (Is32VSXStore || Is64VSXStore) return false;
MachineMemOperand *MMO =
FuncInfo.MF->getMachineMemOperand(
@@ -665,7 +674,7 @@ bool PPCFastISel::PPCEmitStore(MVT VT, unsigned SrcReg, Address &Addr) {
// Base reg with offset in range.
} else if (UseOffset) {
// VSX only provides an indexed store.
- if (IsVSFRC && Opc == PPC::STFD) return false;
+ if (Is32VSXStore || Is64VSXStore) return false;
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(Opc))
.addReg(SrcReg).addImm(Addr.Offset).addReg(Addr.Base.Reg);
@@ -684,7 +693,7 @@ bool PPCFastISel::PPCEmitStore(MVT VT, unsigned SrcReg, Address &Addr) {
case PPC::STH8: Opc = PPC::STHX8; break;
case PPC::STW8: Opc = PPC::STWX8; break;
case PPC::STD: Opc = PPC::STDX; break;
- case PPC::STFS: Opc = PPC::STFSX; break;
+ case PPC::STFS: Opc = IsVSSRC ? PPC::STXSSPX : PPC::STFSX; break;
case PPC::STFD: Opc = IsVSFRC ? PPC::STXSDX : PPC::STFDX; break;
}
diff --git a/llvm/lib/Target/PowerPC/PPCInstrVSX.td b/llvm/lib/Target/PowerPC/PPCInstrVSX.td
index 9685bac2aeb..d08b80871f3 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrVSX.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrVSX.td
@@ -1078,6 +1078,82 @@ let AddedComplexity = 400 in { // Prefer VSX patterns over non-VSX patterns.
(outs vssrc:$XT), (ins vssrc:$XA, vssrc:$XB),
"xssubsp $XT, $XA, $XB", IIC_VecFP,
[(set f32:$XT, (fsub f32:$XA, f32:$XB))]>;
+
+ // FMA Instructions
+ let BaseName = "XSMADDASP" in {
+ let isCommutable = 1 in
+ def XSMADDASP : XX3Form<60, 1,
+ (outs vssrc:$XT),
+ (ins vssrc:$XTi, vssrc:$XA, vssrc:$XB),
+ "xsmaddasp $XT, $XA, $XB", IIC_VecFP,
+ [(set f32:$XT, (fma f32:$XA, f32:$XB, f32:$XTi))]>,
+ RegConstraint<"$XTi = $XT">, NoEncode<"$XTi">,
+ AltVSXFMARel;
+ let IsVSXFMAAlt = 1 in
+ def XSMADDMSP : XX3Form<60, 9,
+ (outs vssrc:$XT),
+ (ins vssrc:$XTi, vssrc:$XA, vssrc:$XB),
+ "xsmaddmsp $XT, $XA, $XB", IIC_VecFP, []>,
+ RegConstraint<"$XTi = $XT">, NoEncode<"$XTi">,
+ AltVSXFMARel;
+ }
+
+ let BaseName = "XSMSUBASP" in {
+ let isCommutable = 1 in
+ def XSMSUBASP : XX3Form<60, 17,
+ (outs vssrc:$XT),
+ (ins vssrc:$XTi, vssrc:$XA, vssrc:$XB),
+ "xsmsubasp $XT, $XA, $XB", IIC_VecFP,
+ [(set f32:$XT, (fma f32:$XA, f32:$XB,
+ (fneg f32:$XTi)))]>,
+ RegConstraint<"$XTi = $XT">, NoEncode<"$XTi">,
+ AltVSXFMARel;
+ let IsVSXFMAAlt = 1 in
+ def XSMSUBMSP : XX3Form<60, 25,
+ (outs vssrc:$XT),
+ (ins vssrc:$XTi, vssrc:$XA, vssrc:$XB),
+ "xsmsubmsp $XT, $XA, $XB", IIC_VecFP, []>,
+ RegConstraint<"$XTi = $XT">, NoEncode<"$XTi">,
+ AltVSXFMARel;
+ }
+
+ let BaseName = "XSNMADDASP" in {
+ let isCommutable = 1 in
+ def XSNMADDASP : XX3Form<60, 129,
+ (outs vssrc:$XT),
+ (ins vssrc:$XTi, vssrc:$XA, vssrc:$XB),
+ "xsnmaddasp $XT, $XA, $XB", IIC_VecFP,
+ [(set f32:$XT, (fneg (fma f32:$XA, f32:$XB,
+ f32:$XTi)))]>,
+ RegConstraint<"$XTi = $XT">, NoEncode<"$XTi">,
+ AltVSXFMARel;
+ let IsVSXFMAAlt = 1 in
+ def XSNMADDMSP : XX3Form<60, 137,
+ (outs vssrc:$XT),
+ (ins vssrc:$XTi, vssrc:$XA, vssrc:$XB),
+ "xsnmaddmsp $XT, $XA, $XB", IIC_VecFP, []>,
+ RegConstraint<"$XTi = $XT">, NoEncode<"$XTi">,
+ AltVSXFMARel;
+ }
+
+ let BaseName = "XSNMSUBASP" in {
+ let isCommutable = 1 in
+ def XSNMSUBASP : XX3Form<60, 145,
+ (outs vssrc:$XT),
+ (ins vssrc:$XTi, vssrc:$XA, vssrc:$XB),
+ "xsnmsubasp $XT, $XA, $XB", IIC_VecFP,
+ [(set f32:$XT, (fneg (fma f32:$XA, f32:$XB,
+ (fneg f32:$XTi))))]>,
+ RegConstraint<"$XTi = $XT">, NoEncode<"$XTi">,
+ AltVSXFMARel;
+ let IsVSXFMAAlt = 1 in
+ def XSNMSUBMSP : XX3Form<60, 153,
+ (outs vssrc:$XT),
+ (ins vssrc:$XTi, vssrc:$XA, vssrc:$XB),
+ "xsnmsubmsp $XT, $XA, $XB", IIC_VecFP, []>,
+ RegConstraint<"$XTi = $XT">, NoEncode<"$XTi">,
+ AltVSXFMARel;
+ }
} // AddedComplexity = 400
} // HasP8Vector
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