Merge V8 5.3.332.45.  DO NOT MERGE

Test: Manual

FPIIM-449

Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/src/compiler/ppc/instruction-codes-ppc.h b/src/compiler/ppc/instruction-codes-ppc.h
index 23cd235..d697da3 100644
--- a/src/compiler/ppc/instruction-codes-ppc.h
+++ b/src/compiler/ppc/instruction-codes-ppc.h
@@ -93,6 +93,7 @@
   V(PPC_Uint32ToFloat32)           \
   V(PPC_Uint32ToDouble)            \
   V(PPC_Float32ToDouble)           \
+  V(PPC_Float64SilenceNaN)         \
   V(PPC_DoubleToInt32)             \
   V(PPC_DoubleToUint32)            \
   V(PPC_DoubleToInt64)             \