Hydrogen code stubs for vector-based ICs.

src/ic/mips/ic-compiler-mips.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/v8.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/ic/ic.h"
 #include "src/ic/ic-compiler.h"
 
 namespace v8 {
 namespace internal {
 
 #define __ ACCESS_MASM(masm())
 
 
 Handle<Code> PropertyICCompiler::CompilePolymorphic(TypeHandleList* types,
                                                     CodeHandleList* handlers,
                                                     Handle<Name> name,
                                                     Code::StubType type,
                                                     IcCheckType check) {
   Label miss;
 
   if (check == PROPERTY &&
       (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) {
-    // In case we are compiling an IC for dictionary loads and stores, just
+    // In case we are compiling an IC for dictionary loads or stores, just
     // check whether the name is unique.
     if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) {
+      // Keyed loads with dictionaries shouldn't be here, they go generic.
+      // The DCHECK is to protect assumptions when --vector-ics is on.
+      DCHECK(kind() != Code::KEYED_LOAD_IC);
       Register tmp = scratch1();
       __ JumpIfSmi(this->name(), &miss);
       __ lw(tmp, FieldMemOperand(this->name(), HeapObject::kMapOffset));
       __ lbu(tmp, FieldMemOperand(tmp, Map::kInstanceTypeOffset));
       __ JumpIfNotUniqueNameInstanceType(tmp, &miss);
     } else {
       __ Branch(&miss, ne, this->name(), Operand(name));
     }
   }
 
@@ skipping 88 matching lines @@
   // Do tail-call to runtime routine.
   __ TailCallRuntime(Runtime::kSetProperty, 4, 1);
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS