diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index d213081487..f1683ae719 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -14443,7 +14443,8 @@ static SDValue PerformFADDCombine(SDNode *N, SelectionDAG &DAG, SDValue RHS = N->getOperand(1); // Try to synthesize horizontal adds from adds of shuffles. - if (Subtarget->hasSSE3orAVX() && (VT == MVT::v4f32 || VT == MVT::v2f64) && + if (((Subtarget->hasSSE3orAVX() && (VT == MVT::v4f32 || VT == MVT::v2f64)) || + (Subtarget->hasAVX() && (VT == MVT::v8f32 || VT == MVT::v4f64))) && isHorizontalBinOp(LHS, RHS, true)) return DAG.getNode(X86ISD::FHADD, N->getDebugLoc(), VT, LHS, RHS); return SDValue(); @@ -14457,7 +14458,8 @@ static SDValue PerformFSUBCombine(SDNode *N, SelectionDAG &DAG, SDValue RHS = N->getOperand(1); // Try to synthesize horizontal subs from subs of shuffles. - if (Subtarget->hasSSE3orAVX() && (VT == MVT::v4f32 || VT == MVT::v2f64) && + if (((Subtarget->hasSSE3orAVX() && (VT == MVT::v4f32 || VT == MVT::v2f64)) || + (Subtarget->hasAVX() && (VT == MVT::v8f32 || VT == MVT::v4f64))) && isHorizontalBinOp(LHS, RHS, false)) return DAG.getNode(X86ISD::FHSUB, N->getDebugLoc(), VT, LHS, RHS); return SDValue(); |