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Commit be4c2933 authored by Craig Topper's avatar Craig Topper
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[X86] Implement _builtin_ia32_vfmaddss and _builtin_ia32_vfmaddsd with native... 

[X86] Implement _builtin_ia32_vfmaddss and _builtin_ia32_vfmaddsd with native IR using llvm.fma intrinsic.

This generates some extra zeroing currently, but we should be able to quickly address that with some isel patterns.

llvm-svn: 336417
parent c60e1807
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