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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2018-10-22 16:27:27 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2018-10-22 16:27:27 +0000 |
| commit | 687ec75d10bd860edb194d88d5438dcb1bc6eb92 (patch) | |
| tree | 89cfd5a61dee8ea2ffaadea0623d22eb28a86278 /llvm/lib/CodeGen/TargetLoweringBase.cpp | |
| parent | b96181c2bf1d068824c6fd635c0921d0ffd20187 (diff) | |
| download | bcm5719-llvm-687ec75d10bd860edb194d88d5438dcb1bc6eb92.tar.gz bcm5719-llvm-687ec75d10bd860edb194d88d5438dcb1bc6eb92.zip | |
DAG: Change behavior of fminnum/fmaxnum nodes
Introduce new versions that follow the IEEE semantics
to help with legalization that may need quieted inputs.
There are some regressions from inserting unnecessary
canonicalizes when these are matched from fast math
fcmp + select which should be fixed in a future commit.
llvm-svn: 344914
Diffstat (limited to 'llvm/lib/CodeGen/TargetLoweringBase.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetLoweringBase.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp index 03a29a3edf6..ddd5fc1df75 100644 --- a/llvm/lib/CodeGen/TargetLoweringBase.cpp +++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp @@ -600,6 +600,8 @@ void TargetLoweringBase::initActions() { setOperationAction(ISD::CONCAT_VECTORS, VT, Expand); setOperationAction(ISD::FMINNUM, VT, Expand); setOperationAction(ISD::FMAXNUM, VT, Expand); + setOperationAction(ISD::FMINNUM_IEEE, VT, Expand); + setOperationAction(ISD::FMAXNUM_IEEE, VT, Expand); setOperationAction(ISD::FMINNAN, VT, Expand); setOperationAction(ISD::FMAXNAN, VT, Expand); setOperationAction(ISD::FMAD, VT, Expand); |
