Changed code gen for int to f32 to use rounding. This makes FP results
consistent with gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22791 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelPattern.cpp b/lib/Target/PowerPC/PPCISelPattern.cpp
index 9831111..f632d0e 100644
--- a/lib/Target/PowerPC/PPCISelPattern.cpp
+++ b/lib/Target/PowerPC/PPCISelPattern.cpp
@@ -2312,7 +2312,7 @@
addFrameReference(BuildMI(BB, PPC::STW, 3).addReg(Tmp1), FrameIdx, 4);
addFrameReference(BuildMI(BB, PPC::LFD, 2, Tmp2), FrameIdx);
// Generate the return value with a subtract
- BuildMI(BB, PPC::FSUB, 2, Result).addReg(Tmp2).addReg(ConstF);
+ BuildMI(BB, DestType == MVT::f64 ? PPC::FSUB : PPC::FSUBS, 2, Result).addReg(Tmp2).addReg(ConstF);
} else {
unsigned ConstF = getConstDouble(0x1.000008p52);
unsigned TmpL = MakeIntReg();
@@ -2323,7 +2323,7 @@
addFrameReference(BuildMI(BB, PPC::STW, 3).addReg(TmpL), FrameIdx, 4);
addFrameReference(BuildMI(BB, PPC::LFD, 2, Tmp2), FrameIdx);
// Generate the return value with a subtract
- BuildMI(BB, PPC::FSUB, 2, Result).addReg(Tmp2).addReg(ConstF);
+ BuildMI(BB, DestType == MVT::f64 ? PPC::FSUB : PPC::FSUBS, 2, Result).addReg(Tmp2).addReg(ConstF);
}
return Result;
}