[X86] Convert most remaining uses of X86SchedWritePair scheduler classes to X86SchedWriteWidths.

We've dealt with the majority already.

llvm-svn: 331347
diff --git a/llvm/lib/Target/X86/X86Schedule.td b/llvm/lib/Target/X86/X86Schedule.td
index 7b024d2..25c14f5 100644
--- a/llvm/lib/Target/X86/X86Schedule.td
+++ b/llvm/lib/Target/X86/X86Schedule.td
@@ -244,12 +244,21 @@
 def SchedWriteVecShift
  : X86SchedWriteWidths<WriteVecShift, WriteVecShift,
                        WriteVecShift, WriteVecShift>;
+def SchedWriteVarVecShift
+ : X86SchedWriteWidths<WriteVarVecShift, WriteVarVecShift,
+                       WriteVarVecShift, WriteVarVecShift>;
 def SchedWriteVecIMul
  : X86SchedWriteWidths<WriteVecIMul, WriteVecIMul,
                        WriteVecIMul, WriteVecIMul>;
 def SchedWritePMULLD
  : X86SchedWriteWidths<WritePMULLD, WritePMULLD,
                        WritePMULLD, WritePMULLD>;
+def SchedWriteMPSAD
+ : X86SchedWriteWidths<WriteMPSAD, WriteMPSAD,
+                       WriteMPSAD, WriteMPSAD>;
+def SchedWritePSADBW
+ : X86SchedWriteWidths<WritePSADBW, WritePSADBW,
+                       WritePSADBW, WritePSADBW>;
 
 def SchedWriteShuffle
  : X86SchedWriteWidths<WriteShuffle, WriteShuffle,