mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-18 12:29:21 +00:00
Expand fcopysign to the bitwise sequence if select is marked as expensive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32940 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
257464a072
commit
636c753b6b
@ -2354,11 +2354,13 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
|
||||
break;
|
||||
case TargetLowering::Legal: break;
|
||||
case TargetLowering::Expand: {
|
||||
// If this target supports fabs/fneg natively, do this efficiently.
|
||||
if (TLI.getOperationAction(ISD::FABS, Tmp1.getValueType()) ==
|
||||
TargetLowering::Legal &&
|
||||
// If this target supports fabs/fneg natively and select is cheap,
|
||||
// do this efficiently.
|
||||
if (!TLI.isSelectExpensive() &&
|
||||
TLI.getOperationAction(ISD::FABS, Tmp1.getValueType()) ==
|
||||
TargetLowering::Legal &&
|
||||
TLI.getOperationAction(ISD::FNEG, Tmp1.getValueType()) ==
|
||||
TargetLowering::Legal) {
|
||||
TargetLowering::Legal) {
|
||||
// Get the sign bit of the RHS.
|
||||
MVT::ValueType IVT =
|
||||
Tmp2.getValueType() == MVT::f32 ? MVT::i32 : MVT::i64;
|
||||
|
Loading…
Reference in New Issue
Block a user