[X86] Add WriteFCMOV scheduler class for x87 CMOVs

llvm-svn: 332173
diff --git a/llvm/lib/Target/X86/X86Schedule.td b/llvm/lib/Target/X86/X86Schedule.td
index f23b37d..a0a9a91 100644
--- a/llvm/lib/Target/X86/X86Schedule.td
+++ b/llvm/lib/Target/X86/X86Schedule.td
@@ -117,6 +117,7 @@
 defm WriteLZCNT : X86SchedWritePair; // Leading zero count.
 defm WriteTZCNT : X86SchedWritePair; // Trailing zero count.
 defm WriteCMOV : X86SchedWritePair; // Conditional move.
+def  WriteFCMOV : SchedWrite; // X87 conditional move.
 def  WriteSETCC : SchedWrite; // Set register based on condition code.
 def  WriteSETCCStore : SchedWrite;