Remove support for branch hints from the IA32 and X64 assembler.

src/ia32/stub-cache-ia32.cc

 // Copyright 2011 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 39 matching lines @@
   ExternalReference value_offset(isolate->stub_cache()->value_reference(table));
 
   Label miss;
 
   if (extra.is_valid()) {
     // Get the code entry from the cache.
     __ mov(extra, Operand::StaticArray(offset, times_2, value_offset));
 
     // Check that the key in the entry matches the name.
     __ cmp(name, Operand::StaticArray(offset, times_2, key_offset));
-    __ j(not_equal, &miss, not_taken);
+    __ j(not_equal, &miss);
 
     // Check that the flags match what we're looking for.
     __ mov(offset, FieldOperand(extra, Code::kFlagsOffset));
     __ and_(offset, ~Code::kFlagsNotUsedInLookup);
     __ cmp(offset, flags);
     __ j(not_equal, &miss);
 
     // Jump to the first instruction in the code stub.
     __ add(Operand(extra), Immediate(Code::kHeaderSize - kHeapObjectTag));
     __ jmp(Operand(extra));
 
     __ bind(&miss);
   } else {
     // Save the offset on the stack.
     __ push(offset);
 
     // Check that the key in the entry matches the name.
     __ cmp(name, Operand::StaticArray(offset, times_2, key_offset));
-    __ j(not_equal, &miss, not_taken);
+    __ j(not_equal, &miss);
 
     // Get the code entry from the cache.
     __ mov(offset, Operand::StaticArray(offset, times_2, value_offset));
 
     // Check that the flags match what we're looking for.
     __ mov(offset, FieldOperand(offset, Code::kFlagsOffset));
     __ and_(offset, ~Code::kFlagsNotUsedInLookup);
     __ cmp(offset, flags);
     __ j(not_equal, &miss);
 
@@ skipping 29 matching lines @@
   __ IncrementCounter(counters->negative_lookups_miss(), 1);
 
   __ mov(r0, FieldOperand(receiver, HeapObject::kMapOffset));
 
   const int kInterceptorOrAccessCheckNeededMask =
       (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded);
 
   // Bail out if the receiver has a named interceptor or requires access checks.
   __ test_b(FieldOperand(r0, Map::kBitFieldOffset),
             kInterceptorOrAccessCheckNeededMask);
-  __ j(not_zero, miss_label, not_taken);
+  __ j(not_zero, miss_label);
 
   // Check that receiver is a JSObject.
   __ CmpInstanceType(r0, FIRST_JS_OBJECT_TYPE);
-  __ j(below, miss_label, not_taken);
+  __ j(below, miss_label);
 
   // Load properties array.
   Register properties = r0;
   __ mov(properties, FieldOperand(receiver, JSObject::kPropertiesOffset));
 
   // Check that the properties array is a dictionary.
   __ cmp(FieldOperand(properties, HeapObject::kMapOffset),
          Immediate(masm->isolate()->factory()->hash_table_map()));
   __ j(not_equal, miss_label);
 
@@ skipping 38 matching lines @@
   ASSERT(!extra.is(receiver));
   ASSERT(!extra.is(name));
   ASSERT(!extra.is(scratch));
 
   // Check scratch and extra registers are valid, and extra2 is unused.
   ASSERT(!scratch.is(no_reg));
   ASSERT(extra2.is(no_reg));
 
   // Check that the receiver isn't a smi.
   __ test(receiver, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
+  __ j(zero, &miss);
 
   // Get the map of the receiver and compute the hash.
   __ mov(scratch, FieldOperand(name, String::kHashFieldOffset));
   __ add(scratch, FieldOperand(receiver, HeapObject::kMapOffset));
   __ xor_(scratch, flags);
   __ and_(scratch, (kPrimaryTableSize - 1) << kHeapObjectTagSize);
 
   // Probe the primary table.
   ProbeTable(isolate, masm, flags, kPrimary, name, scratch, extra);
 
@@ skipping 40 matching lines @@
   __ mov(prototype, FieldOperand(prototype, Map::kPrototypeOffset));
 }
 
 
 void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm,
                                            Register receiver,
                                            Register scratch,
                                            Label* miss_label) {
   // Check that the receiver isn't a smi.
   __ test(receiver, Immediate(kSmiTagMask));
-  __ j(zero, miss_label, not_taken);
+  __ j(zero, miss_label);
 
   // Check that the object is a JS array.
   __ CmpObjectType(receiver, JS_ARRAY_TYPE, scratch);
-  __ j(not_equal, miss_label, not_taken);
+  __ j(not_equal, miss_label);
 
   // Load length directly from the JS array.
   __ mov(eax, FieldOperand(receiver, JSArray::kLengthOffset));
   __ ret(0);
 }
 
 
 // Generate code to check if an object is a string.  If the object is
 // a string, the map's instance type is left in the scratch register.
 static void GenerateStringCheck(MacroAssembler* masm,
                                 Register receiver,
                                 Register scratch,
                                 Label* smi,
                                 Label* non_string_object) {
   // Check that the object isn't a smi.
   __ test(receiver, Immediate(kSmiTagMask));
-  __ j(zero, smi, not_taken);
+  __ j(zero, smi);
 
   // Check that the object is a string.
   __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset));
   __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset));
   ASSERT(kNotStringTag != 0);
   __ test(scratch, Immediate(kNotStringTag));
-  __ j(not_zero, non_string_object, not_taken);
+  __ j(not_zero, non_string_object);
 }
 
 
 void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm,
                                             Register receiver,
                                             Register scratch1,
                                             Register scratch2,
                                             Label* miss,
                                             bool support_wrappers) {
   Label check_wrapper;
 
   // Check if the object is a string leaving the instance type in the
   // scratch register.
   GenerateStringCheck(masm, receiver, scratch1, miss,
                       support_wrappers ? &check_wrapper : miss);
 
   // Load length from the string and convert to a smi.
   __ mov(eax, FieldOperand(receiver, String::kLengthOffset));
   __ ret(0);
 
   if (support_wrappers) {
     // Check if the object is a JSValue wrapper.
     __ bind(&check_wrapper);
     __ cmp(scratch1, JS_VALUE_TYPE);
-    __ j(not_equal, miss, not_taken);
+    __ j(not_equal, miss);
 
     // Check if the wrapped value is a string and load the length
     // directly if it is.
     __ mov(scratch2, FieldOperand(receiver, JSValue::kValueOffset));
     GenerateStringCheck(masm, scratch2, scratch1, miss, miss);
     __ mov(eax, FieldOperand(scratch2, String::kLengthOffset));
     __ ret(0);
   }
 }
 
@@ skipping 184 matching lines @@
                        Register receiver,
                        Register scratch1,
                        Register scratch2,
                        Register scratch3,
                        Label* miss) {
     ASSERT(holder->HasNamedInterceptor());
     ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined());
 
     // Check that the receiver isn't a smi.
     __ test(receiver, Immediate(kSmiTagMask));
-    __ j(zero, miss, not_taken);
+    __ j(zero, miss);
 
     CallOptimization optimization(lookup);
 
     if (optimization.is_constant_call()) {
       return CompileCacheable(masm,
                               object,
                               receiver,
                               scratch1,
                               scratch2,
                               scratch3,
@@ skipping 196 matching lines @@
 void StubCompiler::GenerateStoreField(MacroAssembler* masm,
                                       JSObject* object,
                                       int index,
                                       Map* transition,
                                       Register receiver_reg,
                                       Register name_reg,
                                       Register scratch,
                                       Label* miss_label) {
   // Check that the object isn't a smi.
   __ test(receiver_reg, Immediate(kSmiTagMask));
-  __ j(zero, miss_label, not_taken);
+  __ j(zero, miss_label);
 
   // Check that the map of the object hasn't changed.
   __ cmp(FieldOperand(receiver_reg, HeapObject::kMapOffset),
          Immediate(Handle<Map>(object->map())));
-  __ j(not_equal, miss_label, not_taken);
+  __ j(not_equal, miss_label);
 
   // Perform global security token check if needed.
   if (object->IsJSGlobalProxy()) {
     __ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label);
   }
 
   // Stub never generated for non-global objects that require access
   // checks.
   ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 
@@ skipping 69 matching lines @@
   JSGlobalPropertyCell* cell = JSGlobalPropertyCell::cast(probe);
   ASSERT(cell->value()->IsTheHole());
   if (Serializer::enabled()) {
     __ mov(scratch, Immediate(Handle<Object>(cell)));
     __ cmp(FieldOperand(scratch, JSGlobalPropertyCell::kValueOffset),
            Immediate(masm->isolate()->factory()->the_hole_value()));
   } else {
     __ cmp(Operand::Cell(Handle<JSGlobalPropertyCell>(cell)),
            Immediate(masm->isolate()->factory()->the_hole_value()));
   }
-  __ j(not_equal, miss, not_taken);
+  __ j(not_equal, miss);
   return cell;
 }
 
 
 // Calls GenerateCheckPropertyCell for each global object in the prototype chain
 // from object to (but not including) holder.
 MUST_USE_RESULT static MaybeObject* GenerateCheckPropertyCells(
     MacroAssembler* masm,
     JSObject* object,
     JSObject* holder,
@@ skipping 84 matching lines @@
       }
 
       __ mov(scratch1, FieldOperand(reg, HeapObject::kMapOffset));
       reg = holder_reg;  // from now the object is in holder_reg
       __ mov(reg, FieldOperand(scratch1, Map::kPrototypeOffset));
     } else if (heap()->InNewSpace(prototype)) {
       // Get the map of the current object.
       __ mov(scratch1, FieldOperand(reg, HeapObject::kMapOffset));
       __ cmp(Operand(scratch1), Immediate(Handle<Map>(current->map())));
       // Branch on the result of the map check.
-      __ j(not_equal, miss, not_taken);
+      __ j(not_equal, miss);
       // Check access rights to the global object.  This has to happen
       // after the map check so that we know that the object is
       // actually a global object.
       if (current->IsJSGlobalProxy()) {
         __ CheckAccessGlobalProxy(reg, scratch1, miss);
 
         // Restore scratch register to be the map of the object.
         // We load the prototype from the map in the scratch register.
         __ mov(scratch1, FieldOperand(reg, HeapObject::kMapOffset));
       }
       // The prototype is in new space; we cannot store a reference
       // to it in the code. Load it from the map.
       reg = holder_reg;  // from now the object is in holder_reg
       __ mov(reg, FieldOperand(scratch1, Map::kPrototypeOffset));
     } else {
       // Check the map of the current object.
       __ cmp(FieldOperand(reg, HeapObject::kMapOffset),
              Immediate(Handle<Map>(current->map())));
       // Branch on the result of the map check.
-      __ j(not_equal, miss, not_taken);
+      __ j(not_equal, miss);
       // Check access rights to the global object.  This has to happen
       // after the map check so that we know that the object is
       // actually a global object.
       if (current->IsJSGlobalProxy()) {
         __ CheckAccessGlobalProxy(reg, scratch1, miss);
       }
       // The prototype is in old space; load it directly.
       reg = holder_reg;  // from now the object is in holder_reg
       __ mov(reg, Handle<JSObject>(prototype));
     }
 
     if (save_at_depth == depth) {
       __ mov(Operand(esp, kPointerSize), reg);
     }
 
     // Go to the next object in the prototype chain.
     current = prototype;
   }
   ASSERT(current == holder);
 
   // Log the check depth.
   LOG(isolate(), IntEvent("check-maps-depth", depth + 1));
 
   // Check the holder map.
   __ cmp(FieldOperand(reg, HeapObject::kMapOffset),
          Immediate(Handle<Map>(holder->map())));
-  __ j(not_equal, miss, not_taken);
+  __ j(not_equal, miss);
 
   // Perform security check for access to the global object.
   ASSERT(holder->IsJSGlobalProxy() || !holder->IsAccessCheckNeeded());
   if (holder->IsJSGlobalProxy()) {
     __ CheckAccessGlobalProxy(reg, scratch1, miss);
   };
 
   // If we've skipped any global objects, it's not enough to verify
   // that their maps haven't changed.  We also need to check that the
   // property cell for the property is still empty.
@@ skipping 14 matching lines @@
                                      JSObject* holder,
                                      Register receiver,
                                      Register scratch1,
                                      Register scratch2,
                                      Register scratch3,
                                      int index,
                                      String* name,
                                      Label* miss) {
   // Check that the receiver isn't a smi.
   __ test(receiver, Immediate(kSmiTagMask));
-  __ j(zero, miss, not_taken);
+  __ j(zero, miss);
 
   // Check the prototype chain.
   Register reg =
       CheckPrototypes(object, receiver, holder,
                       scratch1, scratch2, scratch3, name, miss);
 
   // Get the value from the properties.
   GenerateFastPropertyLoad(masm(), eax, reg, holder, index);
   __ ret(0);
 }
 
 
 MaybeObject* StubCompiler::GenerateLoadCallback(JSObject* object,
                                                 JSObject* holder,
                                                 Register receiver,
                                                 Register name_reg,
                                                 Register scratch1,
                                                 Register scratch2,
                                                 Register scratch3,
                                                 AccessorInfo* callback,
                                                 String* name,
                                                 Label* miss) {
   // Check that the receiver isn't a smi.
   __ test(receiver, Immediate(kSmiTagMask));
-  __ j(zero, miss, not_taken);
+  __ j(zero, miss);
 
   // Check that the maps haven't changed.
   Register reg =
       CheckPrototypes(object, receiver, holder, scratch1,
                       scratch2, scratch3, name, miss);
 
   Handle<AccessorInfo> callback_handle(callback);
 
   // Insert additional parameters into the stack frame above return address.
   ASSERT(!scratch3.is(reg));
@@ skipping 46 matching lines @@
                                         JSObject* holder,
                                         Register receiver,
                                         Register scratch1,
                                         Register scratch2,
                                         Register scratch3,
                                         Object* value,
                                         String* name,
                                         Label* miss) {
   // Check that the receiver isn't a smi.
   __ test(receiver, Immediate(kSmiTagMask));
-  __ j(zero, miss, not_taken);
+  __ j(zero, miss);
 
   // Check that the maps haven't changed.
   CheckPrototypes(object, receiver, holder,
                   scratch1, scratch2, scratch3, name, miss);
 
   // Return the constant value.
   __ mov(eax, Handle<Object>(value));
   __ ret(0);
 }
 
 
 void StubCompiler::GenerateLoadInterceptor(JSObject* object,
                                            JSObject* interceptor_holder,
                                            LookupResult* lookup,
                                            Register receiver,
                                            Register name_reg,
                                            Register scratch1,
                                            Register scratch2,
                                            Register scratch3,
                                            String* name,
                                            Label* miss) {
   ASSERT(interceptor_holder->HasNamedInterceptor());
   ASSERT(!interceptor_holder->GetNamedInterceptor()->getter()->IsUndefined());
 
   // Check that the receiver isn't a smi.
   __ test(receiver, Immediate(kSmiTagMask));
-  __ j(zero, miss, not_taken);
+  __ j(zero, miss);
 
   // So far the most popular follow ups for interceptor loads are FIELD
   // and CALLBACKS, so inline only them, other cases may be added
   // later.
   bool compile_followup_inline = false;
   if (lookup->IsProperty() && lookup->IsCacheable()) {
     if (lookup->type() == FIELD) {
       compile_followup_inline = true;
     } else if (lookup->type() == CALLBACKS &&
         lookup->GetCallbackObject()->IsAccessorInfo() &&
@@ skipping 108 matching lines @@
         ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorForLoad),
                           isolate());
     __ TailCallExternalReference(ref, 5, 1);
   }
 }
 
 
 void CallStubCompiler::GenerateNameCheck(String* name, Label* miss) {
   if (kind_ == Code::KEYED_CALL_IC) {
     __ cmp(Operand(ecx), Immediate(Handle<String>(name)));
-    __ j(not_equal, miss, not_taken);
+    __ j(not_equal, miss);
   }
 }
 
 
 void CallStubCompiler::GenerateGlobalReceiverCheck(JSObject* object,
                                                    JSObject* holder,
                                                    String* name,
                                                    Label* miss) {
   ASSERT(holder->IsGlobalObject());
 
   // Get the number of arguments.
   const int argc = arguments().immediate();
 
   // Get the receiver from the stack.
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
 
   // If the object is the holder then we know that it's a global
   // object which can only happen for contextual calls. In this case,
   // the receiver cannot be a smi.
   if (object != holder) {
     __ test(edx, Immediate(kSmiTagMask));
-    __ j(zero, miss, not_taken);
+    __ j(zero, miss);
   }
 
   // Check that the maps haven't changed.
   CheckPrototypes(object, edx, holder, ebx, eax, edi, name, miss);
 }
 
 
 void CallStubCompiler::GenerateLoadFunctionFromCell(JSGlobalPropertyCell* cell,
                                                     JSFunction* function,
                                                     Label* miss) {
   // Get the value from the cell.
   if (Serializer::enabled()) {
     __ mov(edi, Immediate(Handle<JSGlobalPropertyCell>(cell)));
     __ mov(edi, FieldOperand(edi, JSGlobalPropertyCell::kValueOffset));
   } else {
     __ mov(edi, Operand::Cell(Handle<JSGlobalPropertyCell>(cell)));
   }
 
   // Check that the cell contains the same function.
   if (isolate()->heap()->InNewSpace(function)) {
     // We can't embed a pointer to a function in new space so we have
     // to verify that the shared function info is unchanged. This has
     // the nice side effect that multiple closures based on the same
     // function can all use this call IC. Before we load through the
     // function, we have to verify that it still is a function.
     __ test(edi, Immediate(kSmiTagMask));
-    __ j(zero, miss, not_taken);
+    __ j(zero, miss);
     __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx);
-    __ j(not_equal, miss, not_taken);
+    __ j(not_equal, miss);
 
     // Check the shared function info. Make sure it hasn't changed.
     __ cmp(FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset),
            Immediate(Handle<SharedFunctionInfo>(function->shared())));
-    __ j(not_equal, miss, not_taken);
+    __ j(not_equal, miss);
   } else {
     __ cmp(Operand(edi), Immediate(Handle<JSFunction>(function)));
-    __ j(not_equal, miss, not_taken);
+    __ j(not_equal, miss);
   }
 }
 
 
 MaybeObject* CallStubCompiler::GenerateMissBranch() {
   MaybeObject* maybe_obj =
       isolate()->stub_cache()->ComputeCallMiss(arguments().immediate(),
                                                        kind_);
   Object* obj;
   if (!maybe_obj->ToObject(&obj)) return maybe_obj;
@@ skipping 17 matching lines @@
   Label miss;
 
   GenerateNameCheck(name, &miss);
 
   // Get the receiver from the stack.
   const int argc = arguments().immediate();
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
 
   // Check that the receiver isn't a smi.
   __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
+  __ j(zero, &miss);
 
   // Do the right check and compute the holder register.
   Register reg = CheckPrototypes(object, edx, holder, ebx, eax, edi,
                                  name, &miss);
 
   GenerateFastPropertyLoad(masm(), edi, reg, holder, index);
 
   // Check that the function really is a function.
   __ test(edi, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
+  __ j(zero, &miss);
   __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx);
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   // Patch the receiver on the stack with the global proxy if
   // necessary.
   if (object->IsGlobalObject()) {
     __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset));
     __ mov(Operand(esp, (argc + 1) * kPointerSize), edx);
   }
 
   // Invoke the function.
   __ InvokeFunction(edi, arguments(), JUMP_FUNCTION);
@@ skipping 744 matching lines @@
   Label miss, miss_before_stack_reserved;
 
   GenerateNameCheck(name, &miss_before_stack_reserved);
 
   // Get the receiver from the stack.
   const int argc = arguments().immediate();
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
 
   // Check that the receiver isn't a smi.
   __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &miss_before_stack_reserved, not_taken);
+  __ j(zero, &miss_before_stack_reserved);
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->call_const(), 1);
   __ IncrementCounter(counters->call_const_fast_api(), 1);
 
   // Allocate space for v8::Arguments implicit values. Must be initialized
   // before calling any runtime function.
   __ sub(Operand(esp), Immediate(kFastApiCallArguments * kPointerSize));
 
   // Check that the maps haven't changed and find a Holder as a side effect.
@@ skipping 47 matching lines @@
 
   GenerateNameCheck(name, &miss);
 
   // Get the receiver from the stack.
   const int argc = arguments().immediate();
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
 
   // Check that the receiver isn't a smi.
   if (check != NUMBER_CHECK) {
     __ test(edx, Immediate(kSmiTagMask));
-    __ j(zero, &miss, not_taken);
+    __ j(zero, &miss);
   }
 
   // Make sure that it's okay not to patch the on stack receiver
   // unless we're doing a receiver map check.
   ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK);
 
   SharedFunctionInfo* function_info = function->shared();
   switch (check) {
     case RECEIVER_MAP_CHECK:
       __ IncrementCounter(isolate()->counters()->call_const(), 1);
@@ skipping 11 matching lines @@
       break;
 
     case STRING_CHECK:
       if (!function->IsBuiltin() && !function_info->strict_mode()) {
         // Calling non-strict non-builtins with a value as the receiver
         // requires boxing.
         __ jmp(&miss);
       } else {
         // Check that the object is a string or a symbol.
         __ CmpObjectType(edx, FIRST_NONSTRING_TYPE, eax);
-        __ j(above_equal, &miss, not_taken);
+        __ j(above_equal, &miss);
         // Check that the maps starting from the prototype haven't changed.
         GenerateDirectLoadGlobalFunctionPrototype(
             masm(), Context::STRING_FUNCTION_INDEX, eax, &miss);
         CheckPrototypes(JSObject::cast(object->GetPrototype()), eax, holder,
                         ebx, edx, edi, name, &miss);
       }
       break;
 
     case NUMBER_CHECK: {
       if (!function->IsBuiltin() && !function_info->strict_mode()) {
         // Calling non-strict non-builtins with a value as the receiver
         // requires boxing.
         __ jmp(&miss);
       } else {
         Label fast;
         // Check that the object is a smi or a heap number.
         __ test(edx, Immediate(kSmiTagMask));
-        __ j(zero, &fast, taken);
+        __ j(zero, &fast);
         __ CmpObjectType(edx, HEAP_NUMBER_TYPE, eax);
-        __ j(not_equal, &miss, not_taken);
+        __ j(not_equal, &miss);
         __ bind(&fast);
         // Check that the maps starting from the prototype haven't changed.
         GenerateDirectLoadGlobalFunctionPrototype(
             masm(), Context::NUMBER_FUNCTION_INDEX, eax, &miss);
         CheckPrototypes(JSObject::cast(object->GetPrototype()), eax, holder,
                         ebx, edx, edi, name, &miss);
       }
       break;
     }
 
     case BOOLEAN_CHECK: {
       if (!function->IsBuiltin() && !function_info->strict_mode()) {
         // Calling non-strict non-builtins with a value as the receiver
         // requires boxing.
         __ jmp(&miss);
       } else {
         Label fast;
         // Check that the object is a boolean.
         __ cmp(edx, factory()->true_value());
-        __ j(equal, &fast, taken);
+        __ j(equal, &fast);
         __ cmp(edx, factory()->false_value());
-        __ j(not_equal, &miss, not_taken);
+        __ j(not_equal, &miss);
         __ bind(&fast);
         // Check that the maps starting from the prototype haven't changed.
         GenerateDirectLoadGlobalFunctionPrototype(
             masm(), Context::BOOLEAN_FUNCTION_INDEX, eax, &miss);
         CheckPrototypes(JSObject::cast(object->GetPrototype()), eax, holder,
                         ebx, edx, edi, name, &miss);
       }
       break;
     }
 
@@ skipping 47 matching lines @@
                                          edi,
                                          eax,
                                          &miss);
   if (result->IsFailure()) return result;
 
   // Restore receiver.
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
 
   // Check that the function really is a function.
   __ test(eax, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
+  __ j(zero, &miss);
   __ CmpObjectType(eax, JS_FUNCTION_TYPE, ebx);
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   // Patch the receiver on the stack with the global proxy if
   // necessary.
   if (object->IsGlobalObject()) {
     __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset));
     __ mov(Operand(esp, (argc + 1) * kPointerSize), edx);
   }
 
   // Invoke the function.
   __ mov(edi, eax);
@@ skipping 116 matching lines @@
   // ----------- S t a t e -------------
   //  -- eax    : value
   //  -- ecx    : name
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   // Check that the object isn't a smi.
   __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
+  __ j(zero, &miss);
 
   // Check that the map of the object hasn't changed.
   __ cmp(FieldOperand(edx, HeapObject::kMapOffset),
          Immediate(Handle<Map>(object->map())));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   // Perform global security token check if needed.
   if (object->IsJSGlobalProxy()) {
     __ CheckAccessGlobalProxy(edx, ebx, &miss);
   }
 
   // Stub never generated for non-global objects that require access
   // checks.
   ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 
@@ skipping 24 matching lines @@
   // ----------- S t a t e -------------
   //  -- eax    : value
   //  -- ecx    : name
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   // Check that the object isn't a smi.
   __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
+  __ j(zero, &miss);
 
   // Check that the map of the object hasn't changed.
   __ cmp(FieldOperand(edx, HeapObject::kMapOffset),
          Immediate(Handle<Map>(receiver->map())));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   // Perform global security token check if needed.
   if (receiver->IsJSGlobalProxy()) {
     __ CheckAccessGlobalProxy(edx, ebx, &miss);
   }
 
   // Stub never generated for non-global objects that require access
   // checks.
   ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded());
 
@@ skipping 26 matching lines @@
   //  -- eax    : value
   //  -- ecx    : name
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   // Check that the map of the global has not changed.
   __ cmp(FieldOperand(edx, HeapObject::kMapOffset),
          Immediate(Handle<Map>(object->map())));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
 
   // Compute the cell operand to use.
   Operand cell_operand = Operand::Cell(Handle<JSGlobalPropertyCell>(cell));
   if (Serializer::enabled()) {
     __ mov(ebx, Immediate(Handle<JSGlobalPropertyCell>(cell)));
     cell_operand = FieldOperand(ebx, JSGlobalPropertyCell::kValueOffset);
   }
 
   // Check that the value in the cell is not the hole. If it is, this
@@ skipping 32 matching lines @@
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_store_field(), 1);
 
   // Check that the name has not changed.
   __ cmp(Operand(ecx), Immediate(Handle<String>(name)));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   // Generate store field code.  Trashes the name register.
   GenerateStoreField(masm(),
                      object,
                      index,
                      transition,
                      edx, ecx, ebx,
                      &miss);
 
   // Handle store cache miss.
@@ skipping 12 matching lines @@
   // ----------- S t a t e -------------
   //  -- eax    : value
   //  -- ecx    : key
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   // Check that the receiver isn't a smi.
   __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
+  __ j(zero, &miss);
 
   // Check that the map matches.
   __ cmp(FieldOperand(edx, HeapObject::kMapOffset),
          Immediate(Handle<Map>(receiver->map())));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   // Check that the key is a smi.
   __ test(ecx, Immediate(kSmiTagMask));
-  __ j(not_zero, &miss, not_taken);
+  __ j(not_zero, &miss);
 
   // Get the elements array and make sure it is a fast element array, not 'cow'.
   __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset));
   __ cmp(FieldOperand(edi, HeapObject::kMapOffset),
          Immediate(factory()->fixed_array_map()));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   // Check that the key is within bounds.
   if (receiver->IsJSArray()) {
     __ cmp(ecx, FieldOperand(edx, JSArray::kLengthOffset));  // Compare smis.
-    __ j(above_equal, &miss, not_taken);
+    __ j(above_equal, &miss);
   } else {
     __ cmp(ecx, FieldOperand(edi, FixedArray::kLengthOffset));  // Compare smis.
-    __ j(above_equal, &miss, not_taken);
+    __ j(above_equal, &miss);
   }
 
   // Do the store and update the write barrier. Make sure to preserve
   // the value in register eax.
   __ mov(edx, Operand(eax));
   __ mov(FieldOperand(edi, ecx, times_2, FixedArray::kHeaderSize), eax);
   __ RecordWrite(edi, 0, edx, ecx);
 
   // Done.
   __ ret(0);
@@ skipping 13 matching lines @@
                                                       JSObject* last) {
   // ----------- S t a t e -------------
   //  -- eax    : receiver
   //  -- ecx    : name
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   // Check that the receiver isn't a smi.
   __ test(eax, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
+  __ j(zero, &miss);
 
   ASSERT(last->IsGlobalObject() || last->HasFastProperties());
 
   // Check the maps of the full prototype chain. Also check that
   // global property cells up to (but not including) the last object
   // in the prototype chain are empty.
   CheckPrototypes(object, eax, last, ebx, edx, edi, name, &miss);
 
   // If the last object in the prototype chain is a global object,
   // check that the global property cell is empty.
@@ skipping 132 matching lines @@
   //  -- ecx    : name
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   // If the object is the holder then we know that it's a global
   // object which can only happen for contextual loads. In this case,
   // the receiver cannot be a smi.
   if (object != holder) {
     __ test(eax, Immediate(kSmiTagMask));
-    __ j(zero, &miss, not_taken);
+    __ j(zero, &miss);
   }
 
   // Check that the maps haven't changed.
   CheckPrototypes(object, eax, holder, ebx, edx, edi, name, &miss);
 
   // Get the value from the cell.
   if (Serializer::enabled()) {
     __ mov(ebx, Immediate(Handle<JSGlobalPropertyCell>(cell)));
     __ mov(ebx, FieldOperand(ebx, JSGlobalPropertyCell::kValueOffset));
   } else {
     __ mov(ebx, Operand::Cell(Handle<JSGlobalPropertyCell>(cell)));
   }
 
   // Check for deleted property if property can actually be deleted.
   if (!is_dont_delete) {
     __ cmp(ebx, factory()->the_hole_value());
-    __ j(equal, &miss, not_taken);
+    __ j(equal, &miss);
   } else if (FLAG_debug_code) {
     __ cmp(ebx, factory()->the_hole_value());
     __ Check(not_equal, "DontDelete cells can't contain the hole");
   }
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->named_load_global_stub(), 1);
   __ mov(eax, ebx);
   __ ret(0);
 
@@ skipping 15 matching lines @@
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_field(), 1);
 
   // Check that the name has not changed.
   __ cmp(Operand(eax), Immediate(Handle<String>(name)));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   GenerateLoadField(receiver, holder, edx, ebx, ecx, edi, index, name, &miss);
 
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_field(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(FIELD, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadCallback(
     String* name,
     JSObject* receiver,
     JSObject* holder,
     AccessorInfo* callback) {
   // ----------- S t a t e -------------
   //  -- eax    : key
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_callback(), 1);
 
   // Check that the name has not changed.
   __ cmp(Operand(eax), Immediate(Handle<String>(name)));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   MaybeObject* result = GenerateLoadCallback(receiver, holder, edx, eax, ebx,
                                              ecx, edi, callback, name, &miss);
   if (result->IsFailure()) {
     miss.Unuse();
     return result;
   }
 
   __ bind(&miss);
 
@@ skipping 14 matching lines @@
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_constant_function(), 1);
 
   // Check that the name has not changed.
   __ cmp(Operand(eax), Immediate(Handle<String>(name)));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   GenerateLoadConstant(receiver, holder, edx, ebx, ecx, edi,
                        value, name, &miss);
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_constant_function(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(CONSTANT_FUNCTION, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver,
                                                            JSObject* holder,
                                                            String* name) {
   // ----------- S t a t e -------------
   //  -- eax    : key
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_interceptor(), 1);
 
   // Check that the name has not changed.
   __ cmp(Operand(eax), Immediate(Handle<String>(name)));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   LookupResult lookup;
   LookupPostInterceptor(holder, name, &lookup);
   GenerateLoadInterceptor(receiver,
                           holder,
                           &lookup,
                           edx,
                           eax,
                           ecx,
                           ebx,
@@ skipping 15 matching lines @@
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_array_length(), 1);
 
   // Check that the name has not changed.
   __ cmp(Operand(eax), Immediate(Handle<String>(name)));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   GenerateLoadArrayLength(masm(), edx, ecx, &miss);
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_array_length(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) {
   // ----------- S t a t e -------------
   //  -- eax    : key
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_string_length(), 1);
 
   // Check that the name has not changed.
   __ cmp(Operand(eax), Immediate(Handle<String>(name)));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   GenerateLoadStringLength(masm(), edx, ecx, ebx, &miss, true);
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_string_length(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) {
   // ----------- S t a t e -------------
   //  -- eax    : key
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_function_prototype(), 1);
 
   // Check that the name has not changed.
   __ cmp(Operand(eax), Immediate(Handle<String>(name)));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   GenerateLoadFunctionPrototype(masm(), edx, ecx, ebx, &miss);
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_function_prototype(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadSpecialized(JSObject* receiver) {
   // ----------- S t a t e -------------
   //  -- eax    : key
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   // Check that the receiver isn't a smi.
   __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
+  __ j(zero, &miss);
 
   // Check that the map matches.
   __ cmp(FieldOperand(edx, HeapObject::kMapOffset),
          Immediate(Handle<Map>(receiver->map())));
-  __ j(not_equal, &miss, not_taken);
+  __ j(not_equal, &miss);
 
   // Check that the key is a smi.
   __ test(eax, Immediate(kSmiTagMask));
-  __ j(not_zero, &miss, not_taken);
+  __ j(not_zero, &miss);
 
   // Get the elements array.
   __ mov(ecx, FieldOperand(edx, JSObject::kElementsOffset));
   __ AssertFastElements(ecx);
 
   // Check that the key is within bounds.
   __ cmp(eax, FieldOperand(ecx, FixedArray::kLengthOffset));
-  __ j(above_equal, &miss, not_taken);
+  __ j(above_equal, &miss);
 
   // Load the result and make sure it's not the hole.
   __ mov(ebx, Operand(ecx, eax, times_2,
                       FixedArray::kHeaderSize - kHeapObjectTag));
   __ cmp(ebx, factory()->the_hole_value());
-  __ j(equal, &miss, not_taken);
+  __ j(equal, &miss);
   __ mov(eax, ebx);
   __ ret(0);
 
   __ bind(&miss);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(NORMAL, NULL);
 }
 
 
 // Specialized stub for constructing objects from functions which only have only
 // simple assignments of the form this.x = ...; in their body.
 MaybeObject* ConstructStubCompiler::CompileConstructStub(JSFunction* function) {
   // ----------- S t a t e -------------
   //  -- eax : argc
   //  -- edi : constructor
   //  -- esp[0] : return address
   //  -- esp[4] : last argument
   // -----------------------------------
   Label generic_stub_call;
 #ifdef ENABLE_DEBUGGER_SUPPORT
   // Check to see whether there are any break points in the function code. If
   // there are jump to the generic constructor stub which calls the actual
   // code for the function thereby hitting the break points.
   __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
   __ mov(ebx, FieldOperand(ebx, SharedFunctionInfo::kDebugInfoOffset));
   __ cmp(ebx, factory()->undefined_value());
-  __ j(not_equal, &generic_stub_call, not_taken);
+  __ j(not_equal, &generic_stub_call);
 #endif
 
   // Load the initial map and verify that it is in fact a map.
   __ mov(ebx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset));
   // Will both indicate a NULL and a Smi.
   __ test(ebx, Immediate(kSmiTagMask));
   __ j(zero, &generic_stub_call);
   __ CmpObjectType(ebx, MAP_TYPE, ecx);
   __ j(not_equal, &generic_stub_call);
 
@@ skipping 112 matching lines @@
     JSObject*receiver, ExternalArrayType array_type, Code::Flags flags) {
   // ----------- S t a t e -------------
   //  -- eax    : key
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label slow, failed_allocation;
 
   // Check that the object isn't a smi.
   __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &slow, not_taken);
+  __ j(zero, &slow);
 
   // Check that the key is a smi.
   __ test(eax, Immediate(kSmiTagMask));
-  __ j(not_zero, &slow, not_taken);
+  __ j(not_zero, &slow);
 
   // Check that the map matches.
   __ CheckMap(edx, Handle<Map>(receiver->map()), &slow, false);
   __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset));
 
   // eax: key, known to be a smi.
   // edx: receiver, known to be a JSObject.
   // ebx: elements object, known to be an external array.
   // Check that the index is in range.
   __ mov(ecx, eax);
@@ skipping 342 matching lines @@
 
   return GetCode(flags);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32