[PATCH] AVX512: FMA scalar support

[Elena Demikhovsky]

Please add a test for DAG lowering with memory operand.
LGTM.


REPOSITORY
  rL LLVM

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Comment at: lib/Target/X86/X86InstrAVX512.td:287
@@ -277,1 +286,3 @@
+                          (X86select _.KRCWM:$mask, RHS, _.RC:$src1)>;
+
 
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please remove an empty line

http://reviews.llvm.org/D10865

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