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-rw-r--r--llvm/lib/Target/PowerPC/PPCFastISel.cpp33
1 files changed, 20 insertions, 13 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCFastISel.cpp b/llvm/lib/Target/PowerPC/PPCFastISel.cpp
index aa55ac1f7ac..1fb81cc87d8 100644
--- a/llvm/lib/Target/PowerPC/PPCFastISel.cpp
+++ b/llvm/lib/Target/PowerPC/PPCFastISel.cpp
@@ -861,8 +861,20 @@ bool PPCFastISel::PPCEmitCmp(const Value *SrcValue1, const Value *SrcValue2,
}
}
+ unsigned SrcReg1 = getRegForValue(SrcValue1);
+ if (SrcReg1 == 0)
+ return false;
+
+ unsigned SrcReg2 = 0;
+ if (!UseImm) {
+ SrcReg2 = getRegForValue(SrcValue2);
+ if (SrcReg2 == 0)
+ return false;
+ }
+
unsigned CmpOpc;
bool NeedsExt = false;
+ auto RC = MRI.getRegClass(SrcReg1);
switch (SrcVT.SimpleTy) {
default: return false;
case MVT::f32:
@@ -879,8 +891,11 @@ bool PPCFastISel::PPCEmitCmp(const Value *SrcValue1, const Value *SrcValue2,
CmpOpc = PPC::EFSCMPGT;
break;
}
- } else
+ } else if (isVSSRCRegClass(RC)) {
+ llvm_unreachable("Unsupposed f32 VSX comparison");
+ } else {
CmpOpc = PPC::FCMPUS;
+ }
break;
case MVT::f64:
if (HasSPE) {
@@ -896,8 +911,11 @@ bool PPCFastISel::PPCEmitCmp(const Value *SrcValue1, const Value *SrcValue2,
CmpOpc = PPC::EFDCMPGT;
break;
}
- } else
+ } else if (isVSFRCRegClass(RC)) {
+ CmpOpc = PPC::XSCMPUDP;
+ } else {
CmpOpc = PPC::FCMPUD;
+ }
break;
case MVT::i1:
case MVT::i8:
@@ -918,17 +936,6 @@ bool PPCFastISel::PPCEmitCmp(const Value *SrcValue1, const Value *SrcValue2,
break;
}
- unsigned SrcReg1 = getRegForValue(SrcValue1);
- if (SrcReg1 == 0)
- return false;
-
- unsigned SrcReg2 = 0;
- if (!UseImm) {
- SrcReg2 = getRegForValue(SrcValue2);
- if (SrcReg2 == 0)
- return false;
- }
-
if (NeedsExt) {
unsigned ExtReg = createResultReg(&PPC::GPRCRegClass);
if (!PPCEmitIntExt(SrcVT, SrcReg1, MVT::i32, ExtReg, IsZExt))
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