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| author | Pirama Arumuga Nainar <pirama@google.com> | 2015-05-20 12:55:36 -0700 |
|---|---|---|
| committer | Pirama Arumuga Nainar <pirama@google.com> | 2015-05-26 14:28:33 -0700 |
| commit | 560a17f4e3f8019a108abb7848a4735c59a43be0 (patch) | |
| tree | 89b942fa3484ef229429f490a5e8219e741af0d1 /lib/CodeGen/TargetLoweringBase.cpp | |
| parent | 2c3e0051c31c3f5b2328b447eadf1cf9c4427442 (diff) | |
| download | external_llvm-560a17f4e3f8019a108abb7848a4735c59a43be0.zip external_llvm-560a17f4e3f8019a108abb7848a4735c59a43be0.tar.gz external_llvm-560a17f4e3f8019a108abb7848a4735c59a43be0.tar.bz2 | |
Update aosp/master LLVM with patches for fp16
Cherry-pick LLVM revisions r235191, r235215, r235220, r235341, r235363,
r235530, r235609, r235610, r237004
r235191 has a required bug-fix and the rest are all related to fp16.
Change-Id: I7fe8da5ffd8f2c06150885a54769abd18c3a04c6
(cherry picked from commit a18e6af1712fd41c4a705a19ad71f6e9ac7a4e68)
Diffstat (limited to 'lib/CodeGen/TargetLoweringBase.cpp')
| -rw-r--r-- | lib/CodeGen/TargetLoweringBase.cpp | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/CodeGen/TargetLoweringBase.cpp b/lib/CodeGen/TargetLoweringBase.cpp index 2162a51..8eb6464 100644 --- a/lib/CodeGen/TargetLoweringBase.cpp +++ b/lib/CodeGen/TargetLoweringBase.cpp @@ -1256,10 +1256,19 @@ void TargetLoweringBase::computeRegisterProperties( } if (!isTypeLegal(MVT::f16)) { - NumRegistersForVT[MVT::f16] = NumRegistersForVT[MVT::i16]; - RegisterTypeForVT[MVT::f16] = RegisterTypeForVT[MVT::i16]; - TransformToType[MVT::f16] = MVT::i16; - ValueTypeActions.setTypeAction(MVT::f16, TypeSoftenFloat); + // 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); + } } // Loop over all of the vector value types to see which need transformations. |