[ic] Encode LoadGlobalIC's typeof mode in slot kind instead of code object's flags.

src/ic/ia32/handler-compiler-ia32.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.
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/ic/handler-compiler.h"
 
 #include "src/api-arguments.h"
 #include "src/field-type.h"
@@ skipping 284 matching lines @@
   if (accessor_index >= 0) {
     __ ret(StoreWithVectorDescriptor::kStackArgumentsCount * kPointerSize);
   } else {
     // If we generate a global code snippet for deoptimization only, don't try
     // to drop stack arguments for the StoreIC because they are not a part of
     // expression stack and deoptimizer does not reconstruct them.
     __ ret(0);
   }
 }
 
+static void CompileCallLoadPropertyWithInterceptor(
+    MacroAssembler* masm, Register receiver, Register holder, Register name,
+    Handle<JSObject> holder_obj, Runtime::FunctionId id) {
+  DCHECK(NamedLoadHandlerCompiler::kInterceptorArgsLength ==
+         Runtime::FunctionForId(id)->nargs);
 
-static void PushInterceptorArguments(MacroAssembler* masm, Register receiver,
-                                     Register holder, Register name,
-                                     Handle<JSObject> holder_obj) {
   STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsNameIndex == 0);
   STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsThisIndex == 1);
   STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsHolderIndex == 2);
   STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsLength == 3);
   __ push(name);
   __ push(receiver);
   __ push(holder);
-}
 
-
-static void CompileCallLoadPropertyWithInterceptor(
-    MacroAssembler* masm, Register receiver, Register holder, Register name,
-    Handle<JSObject> holder_obj, Runtime::FunctionId id) {
-  DCHECK(NamedLoadHandlerCompiler::kInterceptorArgsLength ==
-         Runtime::FunctionForId(id)->nargs);
-  PushInterceptorArguments(masm, receiver, holder, name, holder_obj);
   __ CallRuntime(id);
 }
 
 #undef __
 #define __ ACCESS_MASM(masm())
 
 
 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label,
                                                     Handle<Name> name) {
   if (!label->is_unused()) {
@@ skipping 196 matching lines @@
   }
 
   GenerateLoadPostInterceptor(it, holder_reg);
 }
 
 
 void NamedLoadHandlerCompiler::GenerateLoadInterceptor(Register holder_reg) {
   DCHECK(holder()->HasNamedInterceptor());
   DCHECK(!holder()->GetNamedInterceptor()->getter()->IsUndefined(isolate()));
   // Call the runtime system to load the interceptor.
-  __ pop(scratch2());  // save old return address
-  PushInterceptorArguments(masm(), receiver(), holder_reg, this->name(),
-                           holder());
-  __ push(scratch2());  // restore old return address
+
+  // Stack:
+  //   return address
+
+  STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsNameIndex == 0);
+  STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsThisIndex == 1);
+  STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsHolderIndex == 2);
+  STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsLength == 3);
+  __ push(receiver());
+  __ push(holder_reg);
+  // See NamedLoadHandlerCompiler::InterceptorVectorSlotPop() for details.
+  if (holder_reg.is(receiver())) {
+    __ push(slot());
+    __ push(vector());
+  } else {
+    __ push(scratch3());  // slot
+    __ push(scratch2());  // vector
+  }
+  __ push(Operand(esp, 4 * kPointerSize));  // return address
+  __ mov(Operand(esp, 5 * kPointerSize), name());
 
   __ TailCallRuntime(Runtime::kLoadPropertyWithInterceptor);
 }
 
 void NamedStoreHandlerCompiler::ZapStackArgumentsRegisterAliases() {
   // Zap register aliases of the arguments passed on the stack to ensure they
   // are properly loaded by the handler (debug-only).
   STATIC_ASSERT(Descriptor::kPassLastArgsOnStack);
   STATIC_ASSERT(Descriptor::kStackArgumentsCount == 3);
   __ mov(Descriptor::ValueRegister(), Immediate(kDebugZapValue));
@@ skipping 74 matching lines @@
   // Return the generated code.
   return GetCode(kind(), name);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32