Experimental implementation: Exposing SIMD instructions into JavaScript

src/stub-cache.cc

Index: src/stub-cache.cc
diff --git a/src/stub-cache.cc b/src/stub-cache.cc
index 06edc0d6871d652ba6e5248a53370a0c6883a54a..58eafeda68ba3e6cc2fee4624b964187edd64fb8 100644
--- a/src/stub-cache.cc
+++ b/src/stub-cache.cc
@@ -271,6 +271,10 @@ Handle<Code> StubCache::ComputeCallConstant(int argc,
     check = SYMBOL_CHECK;
   } else if (object->IsNumber()) {
     check = NUMBER_CHECK;
+  } else if (object->IsFloat32x4()) {
+    check = FLOAT32x4_CHECK;
+  } else if (object->IsInt32x4()) {
+    check = INT32x4_CHECK;
   } else if (object->IsBoolean()) {
     check = BOOLEAN_CHECK;
   }
@@ -321,7 +325,8 @@ Handle<Code> StubCache::ComputeCallField(int argc,
   // because they may be represented as immediates without a
   // map. Instead, we check against the map in the holder.
   if (object->IsNumber() || object->IsSymbol() ||
-      object->IsBoolean() || object->IsString()) {
+      object->IsBoolean() || object->IsString() ||
+      object->IsFloat32x4() || object->IsInt32x4()) {
     object = holder;
   }
 
@@ -359,7 +364,8 @@ Handle<Code> StubCache::ComputeCallInterceptor(int argc,
   // because they may be represented as immediates without a
   // map. Instead, we check against the map in the holder.
   if (object->IsNumber() || object->IsSymbol() ||
-      object->IsBoolean() || object->IsString()) {
+      object->IsBoolean() || object->IsString() ||
+      object->IsFloat32x4() || object->IsInt32x4()) {
     object = holder;
   }
 
@@ -1140,6 +1146,10 @@ Register LoadStubCompiler::HandlerFrontendHeader(
     function_index = Context::SYMBOL_FUNCTION_INDEX;
   } else if (type->Is(Type::Number())) {
     function_index = Context::NUMBER_FUNCTION_INDEX;
+  } else if (type->Is(Type::Float32x4())) {
+    function_index = Context::FLOAT32x4_FUNCTION_INDEX;
+  } else if (type->Is(Type::Int32x4())) {
+    function_index = Context::INT32x4_FUNCTION_INDEX;
   } else if (type->Is(Type::Boolean())) {
     // Booleans use the generic oddball map, so an additional check is needed to
     // ensure the receiver is really a boolean.