Experimental implementation: Exposing SIMD instructions into JavaScript

src/stub-cache.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 253 matching lines @@
       isolate_, *object, cache_holder));
 
   // Compute check type based on receiver/holder.
   CheckType check = RECEIVER_MAP_CHECK;
   if (object->IsString()) {
     check = STRING_CHECK;
   } else if (object->IsSymbol()) {
     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;
   }
 
   if (check != RECEIVER_MAP_CHECK &&
       !function->IsBuiltin() &&
       function->shared()->is_classic_mode()) {
     // Calling non-strict non-builtins with a value as the receiver
     // requires boxing.
     return Handle<Code>::null();
@@ skipping 30 matching lines @@
                                          PropertyIndex index) {
   // Compute the check type and the map.
   InlineCacheHolderFlag cache_holder = IC::GetCodeCacheForObject(*object);
   Handle<HeapObject> stub_holder(IC::GetCodeCacheHolder(
       isolate_, *object, cache_holder));
 
   // TODO(1233596): We cannot do receiver map check for non-JS objects
   // 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;
   }
 
   Code::Flags flags = Code::ComputeMonomorphicFlags(
       kind, extra_state, cache_holder, Code::FAST, argc);
   Handle<Object> probe(stub_holder->map()->FindInCodeCache(*name, flags),
                        isolate_);
   if (probe->IsCode()) return Handle<Code>::cast(probe);
 
   CallStubCompiler compiler(isolate_, argc, kind, extra_state, cache_holder);
@@ skipping 17 matching lines @@
                                                Handle<JSObject> holder) {
   // Compute the check type and the map.
   InlineCacheHolderFlag cache_holder = IC::GetCodeCacheForObject(*object);
   Handle<HeapObject> stub_holder(IC::GetCodeCacheHolder(
       isolate_, *object, cache_holder));
 
   // TODO(1233596): We cannot do receiver map check for non-JS objects
   // 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;
   }
 
   Code::Flags flags = Code::ComputeMonomorphicFlags(
       kind, extra_state, cache_holder, Code::FAST, argc);
   Handle<Object> probe(stub_holder->map()->FindInCodeCache(*name, flags),
                        isolate_);
   if (probe->IsCode()) return Handle<Code>::cast(probe);
 
   CallStubCompiler compiler(isolate(), argc, kind, extra_state, cache_holder);
@@ skipping 760 matching lines @@
     Handle<Name> name,
     Label* miss) {
   PrototypeCheckType check_type = CHECK_ALL_MAPS;
   int function_index = -1;
   if (type->Is(Type::String())) {
     function_index = Context::STRING_FUNCTION_INDEX;
   } else if (type->Is(Type::Symbol())) {
     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.
     GenerateBooleanCheck(object_reg, miss);
     function_index = Context::BOOLEAN_FUNCTION_INDEX;
   } else {
     check_type = SKIP_RECEIVER;
   }
 
   if (check_type == CHECK_ALL_MAPS) {
@@ skipping 680 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal