diff options
Diffstat (limited to 'llvm/lib/CodeGen/TargetLoweringBase.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetLoweringBase.cpp | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp index 24bdef3040e..69eec888745 100644 --- a/llvm/lib/CodeGen/TargetLoweringBase.cpp +++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp @@ -1277,20 +1277,14 @@ void TargetLoweringBase::computeRegisterProperties( ValueTypeActions.setTypeAction(MVT::f32, TypeSoftenFloat); } + // Decide how to handle f16. If the target does not have native f16 support, + // promote it to f32, because there are no f16 library calls (except for + // conversions). if (!isTypeLegal(MVT::f16)) { - // If the target has native f32 support, promote f16 operations to f32. If - // f32 is not supported, generate soft float library calls. - if (isTypeLegal(MVT::f32)) { - NumRegistersForVT[MVT::f16] = NumRegistersForVT[MVT::f32]; - RegisterTypeForVT[MVT::f16] = RegisterTypeForVT[MVT::f32]; - TransformToType[MVT::f16] = MVT::f32; - ValueTypeActions.setTypeAction(MVT::f16, TypePromoteFloat); - } else { - NumRegistersForVT[MVT::f16] = NumRegistersForVT[MVT::i16]; - RegisterTypeForVT[MVT::f16] = RegisterTypeForVT[MVT::i16]; - TransformToType[MVT::f16] = MVT::i16; - ValueTypeActions.setTypeAction(MVT::f16, TypeSoftenFloat); - } + NumRegistersForVT[MVT::f16] = NumRegistersForVT[MVT::f32]; + RegisterTypeForVT[MVT::f16] = RegisterTypeForVT[MVT::f32]; + TransformToType[MVT::f16] = MVT::f32; + ValueTypeActions.setTypeAction(MVT::f16, TypePromoteFloat); } // Loop over all of the vector value types to see which need transformations. |
