[intrinsics] Remove the %_IsSimdValue intrinsic.

src/full-codegen/mips64/full-codegen-mips64.cc

Index: src/full-codegen/mips64/full-codegen-mips64.cc
diff --git a/src/full-codegen/mips64/full-codegen-mips64.cc b/src/full-codegen/mips64/full-codegen-mips64.cc
index ed0192f1f2677812a9e05ee4604f7a81066f44c7..031074dd1feb7388e4af71c7818beaca4c40ef0b 100644
--- a/src/full-codegen/mips64/full-codegen-mips64.cc
+++ b/src/full-codegen/mips64/full-codegen-mips64.cc
@@ -2990,28 +2990,6 @@ void FullCodeGenerator::EmitIsJSReceiver(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitIsSimdValue(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK(args->length() == 1);
-
-  VisitForAccumulatorValue(args->at(0));
-
-  Label materialize_true, materialize_false;
-  Label* if_true = NULL;
-  Label* if_false = NULL;
-  Label* fall_through = NULL;
-  context()->PrepareTest(&materialize_true, &materialize_false, &if_true,
-                         &if_false, &fall_through);
-
-  __ JumpIfSmi(v0, if_false);
-  __ GetObjectType(v0, a1, a1);
-  PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
-  Split(eq, a1, Operand(SIMD128_VALUE_TYPE), if_true, if_false, fall_through);
-
-  context()->Plug(if_true, if_false);
-}
-
-
 void FullCodeGenerator::EmitIsArray(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);