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/mips64/instruction-codes-mips64.h b/src/compiler/mips64/instruction-codes-mips64.h
index 6fd321e..67c84f1 100644
--- a/src/compiler/mips64/instruction-codes-mips64.h
+++ b/src/compiler/mips64/instruction-codes-mips64.h
@@ -61,6 +61,7 @@
   V(Mips64CmpS)                     \
   V(Mips64AddS)                     \
   V(Mips64SubS)                     \
+  V(Mips64SubPreserveNanS)          \
   V(Mips64MulS)                     \
   V(Mips64DivS)                     \
   V(Mips64ModS)                     \
@@ -71,6 +72,7 @@
   V(Mips64CmpD)                     \
   V(Mips64AddD)                     \
   V(Mips64SubD)                     \
+  V(Mips64SubPreserveNanD)          \
   V(Mips64MulD)                     \
   V(Mips64DivD)                     \
   V(Mips64ModD)                     \
@@ -133,6 +135,7 @@
   V(Mips64Float64InsertHighWord32)  \
   V(Mips64Float64Max)               \
   V(Mips64Float64Min)               \
+  V(Mips64Float64SilenceNaN)        \
   V(Mips64Float32Max)               \
   V(Mips64Float32Min)               \
   V(Mips64Push)                     \