diff options
Diffstat (limited to 'llvm/lib/Target/R600/AMDGPUISelLowering.cpp')
-rw-r--r-- | llvm/lib/Target/R600/AMDGPUISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp index 18697c8d3f6..4707279ce87 100644 --- a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp +++ b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp @@ -137,6 +137,9 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM, if (!Subtarget->hasFP32Denormals()) setOperationAction(ISD::FMAD, MVT::f32, Legal); + // Expand to fneg + fadd. + setOperationAction(ISD::FSUB, MVT::f64, Expand); + // Lower floating point store/load to integer store/load to reduce the number // of patterns in tablegen. setOperationAction(ISD::STORE, MVT::f32, Promote); |