Convert between tagged and untagged kSimd128 values.

src/compiler/typer.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/typer.h"
 
 #include "src/base/flags.h"
 #include "src/bootstrapper.h"
 #include "src/compilation-dependencies.h"
 #include "src/compiler/common-operator.h"
@@ skipping 1798 matching lines @@
   return ChangeRepresentation(arg, Type::Tagged(), zone());
 }
 
 
 Type* Typer::Visitor::TypeChangeFloat64ToTagged(Node* node) {
   Type* arg = Operand(node, 0);
   // TODO(neis): CHECK(arg.upper->Is(Type::Number()));
   return ChangeRepresentation(arg, Type::Tagged(), zone());
 }
 
+#define SIMD128_CHANGE(TYPE, SType, type, lane_count, lane_type)       \
+  Type* Typer::Visitor::TypeChangeTaggedTo##SType(Node* node) {        \
+    Type* arg = Operand(node, 0);                                      \
+    return ChangeRepresentation(arg, Type::UntaggedSimd128(), zone()); \
+  }                                                                    \
+                                                                       \
+  Type* Typer::Visitor::TypeChange##SType##ToTagged(Node* node) {      \
+    Type* arg = Operand(node, 0);                                      \
+    return ChangeRepresentation(arg, Type::Tagged(), zone());          \
+  }
+SIMD128_TYPES(SIMD128_CHANGE)
+#undef SIMD128_CHANGE
 
 Type* Typer::Visitor::TypeChangeBoolToBit(Node* node) {
   Type* arg = Operand(node, 0);
   // TODO(neis): DCHECK(arg.upper->Is(Type::Boolean()));
   return ChangeRepresentation(arg, Type::UntaggedBit(), zone());
 }
 
 
 Type* Typer::Visitor::TypeChangeBitToBool(Node* node) {
   Type* arg = Operand(node, 0);
@@ skipping 640 matching lines @@
   }
   if (Type::IsInteger(*value)) {
     return Type::Range(value->Number(), value->Number(), zone());
   }
   return Type::Constant(value, zone());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8