diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.cpp')
-rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 107e0b3660b..e2781444343 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -4519,8 +4519,8 @@ SDValue ARMTargetLowering::LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const { bool InvalidOnQNaN; FPCCToARMCC(CC, CondCode, CondCode2, InvalidOnQNaN); - // Try to generate VMAXNM/VMINNM on ARMv8. Except if we compare to a zero. - // This ensures we use CMPFPw0 instead of CMPFP in such case. + // Normalize the fp compare. If RHS is zero we keep it there so we match + // CMPFPw0 instead of CMPFP. if (Subtarget->hasFPARMv8() && !isFloatingPointZero(RHS) && (TrueVal.getValueType() == MVT::f32 || TrueVal.getValueType() == MVT::f64)) { bool swpCmpOps = false; |