Merge KeyedLoad and NamedLoad stub compiler code.

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 2772 matching lines @@
   __ bind(&miss);
   Handle<Code> ic = isolate()->builtins()->KeyedStoreIC_Miss();
   __ jmp(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(Code::NORMAL, factory()->empty_string(), POLYMORPHIC);
 }
 
 
 Handle<Code> LoadStubCompiler::CompileLoadNonexistent(
-    Handle<String> name,
     Handle<JSObject> object,
     Handle<JSObject> last,
+    Handle<String> name,
     Handle<GlobalObject> global) {
   // ----------- S t a t e -------------
   //  -- rax    : receiver
   //  -- rcx    : name
   //  -- rsp[0] : return address
   // -----------------------------------
   Label miss;
 
   // Check that receiver is not a smi.
   __ JumpIfSmi(rax, &miss);
@@ skipping 24 matching lines @@
   __ ret(0);
 
   __ bind(&miss);
   GenerateLoadMiss(masm(), Code::LOAD_IC);
 
   // Return the generated code.
   return GetCode(Code::NONEXISTENT, factory()->empty_string());
 }
 
 
-Handle<Code> LoadStubCompiler::CompileLoadField(Handle<JSObject> object,
-                                                Handle<JSObject> holder,
-                                                PropertyIndex index,
-                                                Handle<String> name) {
-  // ----------- S t a t e -------------
-  //  -- rax    : receiver
-  //  -- rcx    : name
-  //  -- rsp[0] : return address
-  // -----------------------------------
-  Label miss;
-
-  GenerateLoadField(object, holder, rax, rbx, rdx, rdi, index, name, &miss);
-  __ bind(&miss);
-  GenerateLoadMiss(masm(), Code::LOAD_IC);
-
-  // Return the generated code.
-  return GetCode(Code::FIELD, name);
+Register* LoadStubCompiler::registers() {
+  // receiver, name, scratch1, scratch2, scratch3, scratch4.
+  static Register registers[] = { rax, rcx, rbx, rdx, rdi, r8 };
+  return registers;
 }
 
 
-Handle<Code> LoadStubCompiler::CompileLoadCallback(
-    Handle<String> name,
-    Handle<JSObject> object,
-    Handle<JSObject> holder,
-    Handle<AccessorInfo> callback) {
-  // ----------- S t a t e -------------
-  //  -- rax    : receiver
-  //  -- rcx    : name
-  //  -- rsp[0] : return address
-  // -----------------------------------
-  Label miss;
-  GenerateLoadCallback(object, holder, rax, rcx, rdx, rbx, rdi, r8, callback,
-                       name, &miss);
-  __ bind(&miss);
-  GenerateLoadMiss(masm(), Code::LOAD_IC);
-
-  // Return the generated code.
-  return GetCode(Code::CALLBACKS, name);
+Register* KeyedLoadStubCompiler::registers() {
+  // receiver, name, scratch1, scratch2, scratch3, scratch4.
+  static Register registers[] = { rdx, rax, rbx, rcx, rdi, r8 };
+  return registers;
 }
 
 
+void KeyedLoadStubCompiler::GenerateNameCheck(Handle<String> name,
+                                              Register name_reg,
+                                              Label* miss) {
+  __ Cmp(name_reg, name);
+  __ j(not_equal, miss);
+}
+
+
 #undef __
 #define __ ACCESS_MASM(masm)
 
 
 void LoadStubCompiler::GenerateLoadViaGetter(MacroAssembler* masm,
                                              Handle<JSFunction> getter) {
   // ----------- S t a t e -------------
   //  -- rax    : receiver
   //  -- rcx    : name
   //  -- rsp[0] : return address
@@ skipping 18 matching lines @@
   }
   __ ret(0);
 }
 
 
 #undef __
 #define __ ACCESS_MASM(masm())
 
 
 Handle<Code> LoadStubCompiler::CompileLoadViaGetter(
-    Handle<String> name,
     Handle<JSObject> receiver,
     Handle<JSObject> holder,
+    Handle<String> name,
     Handle<JSFunction> getter) {
   // ----------- S t a t e -------------
   //  -- rax    : receiver
   //  -- rcx    : name
   //  -- rsp[0] : return address
   // -----------------------------------
   Label miss;
 
   // Check that the maps haven't changed.
   __ JumpIfSmi(rax, &miss);
   CheckPrototypes(receiver, rax, holder, rbx, rdx, rdi, name, &miss);
 
   GenerateLoadViaGetter(masm(), getter),
 
   __ bind(&miss);
   GenerateLoadMiss(masm(), Code::LOAD_IC);
 
   // Return the generated code.
   return GetCode(Code::CALLBACKS, name);
 }
 
 
-Handle<Code> LoadStubCompiler::CompileLoadConstant(Handle<JSObject> object,
-                                                   Handle<JSObject> holder,
-                                                   Handle<JSFunction> value,
-                                                   Handle<String> name) {
-  // ----------- S t a t e -------------
-  //  -- rax    : receiver
-  //  -- rcx    : name
-  //  -- rsp[0] : return address
-  // -----------------------------------
-  Label miss;
-
-  GenerateLoadConstant(object, holder, rax, rbx, rdx, rdi, value, name, &miss);
-  __ bind(&miss);
-  GenerateLoadMiss(masm(), Code::LOAD_IC);
-
-  // Return the generated code.
-  return GetCode(Code::CONSTANT_FUNCTION, name);
-}
-
-
-Handle<Code> LoadStubCompiler::CompileLoadInterceptor(Handle<JSObject> receiver,
-                                                      Handle<JSObject> holder,
-                                                      Handle<String> name) {
-  // ----------- S t a t e -------------
-  //  -- rax    : receiver
-  //  -- rcx    : name
-  //  -- rsp[0] : return address
-  // -----------------------------------
-  Label miss;
-  LookupResult lookup(isolate());
-  LookupPostInterceptor(holder, name, &lookup);
-
-  // TODO(368): Compile in the whole chain: all the interceptors in
-  // prototypes and ultimate answer.
-  GenerateLoadInterceptor(receiver, holder, &lookup, rax, rcx, rdx, rbx, rdi,
-                          name, &miss);
-  __ bind(&miss);
-  GenerateLoadMiss(masm(), Code::LOAD_IC);
-
-  // Return the generated code.
-  return GetCode(Code::INTERCEPTOR, name);
-}
-
-
 Handle<Code> LoadStubCompiler::CompileLoadGlobal(
     Handle<JSObject> object,
     Handle<GlobalObject> holder,
     Handle<JSGlobalPropertyCell> cell,
     Handle<String> name,
     bool is_dont_delete) {
   // ----------- S t a t e -------------
   //  -- rax    : receiver
   //  -- rcx    : name
   //  -- rsp[0] : return address
@@ skipping 24 matching lines @@
 
   __ bind(&miss);
   __ IncrementCounter(counters->named_load_global_stub_miss(), 1);
   GenerateLoadMiss(masm(), Code::LOAD_IC);
 
   // Return the generated code.
   return GetCode(Code::NORMAL, name);
 }
 
 
-Handle<Code> KeyedLoadStubCompiler::CompileLoadField(Handle<String> name,
-                                                     Handle<JSObject> receiver,
-                                                     Handle<JSObject> holder,
-                                                     PropertyIndex index) {
-  // ----------- S t a t e -------------
-  //  -- rax     : key
-  //  -- rdx     : receiver
-  //  -- rsp[0]  : return address
-  // -----------------------------------
-  Label miss;
-
-  Counters* counters = isolate()->counters();
-  __ IncrementCounter(counters->keyed_load_field(), 1);
-
-  // Check that the name has not changed.
-  __ Cmp(rax, name);
-  __ j(not_equal, &miss);
-
-  GenerateLoadField(receiver, holder, rdx, rbx, rcx, rdi, index, name, &miss);
-
-  __ bind(&miss);
-  __ DecrementCounter(counters->keyed_load_field(), 1);
-  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
-
-  // Return the generated code.
-  return GetCode(Code::FIELD, name);
-}
-
-
-Handle<Code> KeyedLoadStubCompiler::CompileLoadCallback(
-    Handle<String> name,
-    Handle<JSObject> receiver,
-    Handle<JSObject> holder,
-    Handle<AccessorInfo> callback) {
-  // ----------- S t a t e -------------
-  //  -- rax     : key
-  //  -- rdx     : receiver
-  //  -- rsp[0]  : return address
-  // -----------------------------------
-  Label miss;
-  Counters* counters = isolate()->counters();
-  __ IncrementCounter(counters->keyed_load_callback(), 1);
-
-  // Check that the name has not changed.
-  __ Cmp(rax, name);
-  __ j(not_equal, &miss);
-
-  GenerateLoadCallback(receiver, holder, rdx, rax, rbx, rcx, rdi, r8, callback,
-                       name, &miss);
-  __ bind(&miss);
-  __ DecrementCounter(counters->keyed_load_callback(), 1);
-  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
-
-  // Return the generated code.
-  return GetCode(Code::CALLBACKS, name);
-}
-
-
-Handle<Code> KeyedLoadStubCompiler::CompileLoadConstant(
-    Handle<String> name,
-    Handle<JSObject> receiver,
-    Handle<JSObject> holder,
-    Handle<JSFunction> value) {
-  // ----------- S t a t e -------------
-  //  -- rax    : key
-  //  -- rdx    : receiver
-  //  -- rsp[0]  : return address
-  // -----------------------------------
-  Label miss;
-
-  Counters* counters = isolate()->counters();
-  __ IncrementCounter(counters->keyed_load_constant_function(), 1);
-
-  // Check that the name has not changed.
-  __ Cmp(rax, name);
-  __ j(not_equal, &miss);
-
-  GenerateLoadConstant(receiver, holder, rdx, rbx, rcx, rdi,
-                       value, name, &miss);
-  __ bind(&miss);
-  __ DecrementCounter(counters->keyed_load_constant_function(), 1);
-  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
-
-  // Return the generated code.
-  return GetCode(Code::CONSTANT_FUNCTION, name);
-}
-
-
-Handle<Code> KeyedLoadStubCompiler::CompileLoadInterceptor(
-    Handle<JSObject> receiver,
-    Handle<JSObject> holder,
-    Handle<String> name) {
-  // ----------- S t a t e -------------
-  //  -- rax    : key
-  //  -- rdx    : receiver
-  //  -- rsp[0]  : return address
-  // -----------------------------------
-  Label miss;
-  Counters* counters = isolate()->counters();
-  __ IncrementCounter(counters->keyed_load_interceptor(), 1);
-
-  // Check that the name has not changed.
-  __ Cmp(rax, name);
-  __ j(not_equal, &miss);
-
-  LookupResult lookup(isolate());
-  LookupPostInterceptor(holder, name, &lookup);
-  GenerateLoadInterceptor(receiver, holder, &lookup, rdx, rax, rcx, rbx, rdi,
-                          name, &miss);
-  __ bind(&miss);
-  __ DecrementCounter(counters->keyed_load_interceptor(), 1);
-  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
-
-  // Return the generated code.
-  return GetCode(Code::INTERCEPTOR, name);
-}
-
-
 Handle<Code> KeyedLoadStubCompiler::CompileLoadElement(
     Handle<Map> receiver_map) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0] : return address
   // -----------------------------------
   ElementsKind elements_kind = receiver_map->elements_kind();
   if (receiver_map->has_fast_elements() ||
       receiver_map->has_external_array_elements()) {
@@ skipping 713 matching lines @@
     __ jmp(ic_slow, RelocInfo::CODE_TARGET);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64