diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 4cd0fc484a..5631c933a1 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -5138,14 +5138,16 @@ SDValue PPCTargetLowering::LowerBUILD_VECTOR(SDValue Op, // Three instruction sequences. // Odd, in range [17,31]: (vsplti C)-(vsplti -16). - if (SextVal >= 0 && SextVal <= 31) { + // FIXME: Disabled because the add gets constant folded. + if (0 && SextVal >= 0 && SextVal <= 31) { SDValue LHS = BuildSplatI(SextVal-16, SplatSize, MVT::Other, DAG, dl); SDValue RHS = BuildSplatI(-16, SplatSize, MVT::Other, DAG, dl); LHS = DAG.getNode(ISD::SUB, dl, LHS.getValueType(), LHS, RHS); return DAG.getNode(ISD::BITCAST, dl, Op.getValueType(), LHS); } // Odd, in range [-31,-17]: (vsplti C)+(vsplti -16). - if (SextVal >= -31 && SextVal <= 0) { + // FIXME: Disabled because the add gets constant folded. + if (0 && SextVal >= -31 && SextVal <= 0) { SDValue LHS = BuildSplatI(SextVal+16, SplatSize, MVT::Other, DAG, dl); SDValue RHS = BuildSplatI(-16, SplatSize, MVT::Other, DAG, dl); LHS = DAG.getNode(ISD::ADD, dl, LHS.getValueType(), LHS, RHS); |