[runtime] [proxy] removing JSFunctionProxy and related code.

src/full-codegen/x64/full-codegen-x64.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 989 matching lines @@
   __ j(above_equal, &done_convert, Label::kNear);
   __ bind(&convert);
   ToObjectStub stub(isolate());
   __ CallStub(&stub);
   __ bind(&done_convert);
   PrepareForBailoutForId(stmt->ToObjectId(), TOS_REG);
   __ Push(rax);
 
   // Check for proxies.
   Label call_runtime;
-  STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE);
-  __ CmpObjectType(rax, LAST_JS_PROXY_TYPE, rcx);
-  __ j(below_equal, &call_runtime);
+  __ CmpObjectType(rax, JS_PROXY_TYPE, rcx);
+  __ j(equal, &call_runtime);
 
   // Check cache validity in generated code. This is a fast case for
   // the JSObject::IsSimpleEnum cache validity checks. If we cannot
   // guarantee cache validity, call the runtime system to check cache
   // validity or get the property names in a fixed array.
   __ CheckEnumCache(null_value, &call_runtime);
 
   // The enum cache is valid.  Load the map of the object being
   // iterated over and use the cache for the iteration.
   Label use_cache;
@@ skipping 42 matching lines @@
   Label non_proxy;
   __ bind(&fixed_array);
 
   // No need for a write barrier, we are storing a Smi in the feedback vector.
   __ EmitLoadTypeFeedbackVector(rbx);
   int vector_index = SmiFromSlot(slot)->value();
   __ Move(FieldOperand(rbx, FixedArray::OffsetOfElementAt(vector_index)),
           TypeFeedbackVector::MegamorphicSentinel(isolate()));
   __ Move(rbx, Smi::FromInt(1));  // Smi indicates slow check
   __ movp(rcx, Operand(rsp, 0 * kPointerSize));  // Get enumerated object
-  STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE);
-  __ CmpObjectType(rcx, LAST_JS_PROXY_TYPE, rcx);
+  STATIC_ASSERT(JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE);
+  __ CmpObjectType(rcx, JS_PROXY_TYPE, rcx);
   __ j(above, &non_proxy);
   __ Move(rbx, Smi::FromInt(0));  // Zero indicates proxy
   __ bind(&non_proxy);
   __ Push(rbx);  // Smi
   __ Push(rax);  // Array
   __ movp(rax, FieldOperand(rax, FixedArray::kLengthOffset));
   __ Push(rax);  // Fixed array length (as smi).
   __ Push(Smi::FromInt(0));  // Initial index.
 
   // Generate code for doing the condition check.
@@ skipping 2038 matching lines @@
 
   VisitForAccumulatorValue(args->at(0));
 
   Label materialize_true, materialize_false;
   Label* if_true = NULL;
   Label* if_false = NULL;
   Label* fall_through = NULL;
   context()->PrepareTest(&materialize_true, &materialize_false, &if_true,
                          &if_false, &fall_through);
 
+
   __ JumpIfSmi(rax, if_false);
-  Register map = rbx;
-  __ movp(map, FieldOperand(rax, HeapObject::kMapOffset));
-  __ CmpInstanceType(map, FIRST_JS_PROXY_TYPE);
-  __ j(less, if_false);
-  __ CmpInstanceType(map, LAST_JS_PROXY_TYPE);
+  __ CmpObjectType(rax, JS_PROXY_TYPE, rbx);
   PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
-  Split(less_equal, if_true, if_false, fall_through);
+  Split(equal, if_true, if_false, fall_through);
 
   context()->Plug(if_true, if_false);
 }
 
 
 void FullCodeGenerator::EmitObjectEquals(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 2);
 
   // Load the two objects into registers and perform the comparison.
@@ skipping 1695 matching lines @@
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64