Fix execution domains for PS/PD FMA3 instructions. Add SS/SD forms o FMA3 instructions.

llvm-svn: 147353
diff --git a/llvm/lib/Target/X86/X86InstrFormats.td b/llvm/lib/Target/X86/X86InstrFormats.td
index b3a7087..5fe7527 100644
--- a/llvm/lib/Target/X86/X86InstrFormats.td
+++ b/llvm/lib/Target/X86/X86InstrFormats.td
@@ -504,7 +504,7 @@
 // FMA3 Instruction Templates
 class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
            list<dag>pattern>
-      : I<o, F, outs, ins, asm, pattern, SSEPackedInt>, T8,
+      : I<o, F, outs, ins, asm, pattern>, T8,
         OpSize, VEX_4V, Requires<[HasFMA3]>;
 
 // FMA4 Instruction Templates