Experimental implementation: Exposing SIMD instructions into JavaScript

src/x64/stub-cache-x64.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 2647 matching lines @@
       __ bind(&fast);
       // Check that the maps starting from the prototype haven't changed.
       GenerateDirectLoadGlobalFunctionPrototype(
           masm(), Context::NUMBER_FUNCTION_INDEX, rax, &miss);
       Handle<Object> prototype(object->GetPrototype(isolate()), isolate());
       CheckPrototypes(
           IC::CurrentTypeOf(prototype, isolate()),
           rax, holder, rbx, rdx, rdi, name, &miss);
       break;
     }
+
+    case FLOAT32x4_CHECK: {
+      // Check that the object is a float32x4.
+      __ CmpObjectType(rdx, FLOAT32x4_TYPE, rax);
+      __ j(not_equal, &miss);
+      // Check that the maps starting from the prototype haven't changed.
+      GenerateDirectLoadGlobalFunctionPrototype(
+          masm(), Context::FLOAT32x4_FUNCTION_INDEX, rax, &miss);
+      Handle<Object> prototype(object->GetPrototype(isolate()), isolate());
+      CheckPrototypes(
+          IC::CurrentTypeOf(prototype, isolate()),
+          rax, holder, rbx, rdx, rdi, name, &miss);
+      break;
+    }
+
+    case INT32x4_CHECK: {
+      // Check that the object is a int32x4.
+      __ CmpObjectType(rdx, INT32x4_TYPE, rax);
+      __ j(not_equal, &miss);
+      // Check that the maps starting from the prototype haven't changed.
+      GenerateDirectLoadGlobalFunctionPrototype(
+          masm(), Context::INT32x4_FUNCTION_INDEX, rax, &miss);
+      Handle<Object> prototype(object->GetPrototype(isolate()), isolate());
+      CheckPrototypes(
+          IC::CurrentTypeOf(prototype, isolate()),
+          rax, holder, rbx, rdx, rdi, name, &miss);
+      break;
+    }
+
     case BOOLEAN_CHECK: {
       GenerateBooleanCheck(rdx, &miss);
       // Check that the maps starting from the prototype haven't changed.
       GenerateDirectLoadGlobalFunctionPrototype(
           masm(), Context::BOOLEAN_FUNCTION_INDEX, rax, &miss);
       Handle<Object> prototype(object->GetPrototype(isolate()), isolate());
       CheckPrototypes(
           IC::CurrentTypeOf(prototype, isolate()),
           rax, holder, rbx, rdx, rdi, name, &miss);
       break;
@@ skipping 537 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64