Hydrogen code stubs for vector-based ICs.

src/ic/arm/handler-compiler-arm.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_ARM
 
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 74 matching lines @@
     // We have to return the passed value, not the return value of the setter.
     __ pop(r0);
 
     // Restore context register.
     __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
   }
   __ Ret();
 }
 
 
+void PropertyHandlerCompiler::PushVectorAndSlot(Register vector,
+                                                Register slot) {
+  MacroAssembler* masm = this->masm();
+  __ push(vector);
+  __ push(slot);
+}
+
+
+void PropertyHandlerCompiler::PopVectorAndSlot(Register vector, Register slot) {
+  MacroAssembler* masm = this->masm();
+  __ pop(slot);
+  __ pop(vector);
+}
+
+
+void PropertyHandlerCompiler::DiscardVectorAndSlot() {
+  MacroAssembler* masm = this->masm();
+  // Remove vector and slot.
+  __ add(sp, sp, Operand(2 * kPointerSize));
+}
+
+
 void PropertyHandlerCompiler::GenerateDictionaryNegativeLookup(
     MacroAssembler* masm, Label* miss_label, Register receiver,
     Handle<Name> name, Register scratch0, Register scratch1) {
   DCHECK(name->IsUniqueName());
   DCHECK(!receiver.is(scratch0));
   Counters* counters = masm->isolate()->counters();
   __ IncrementCounter(counters->negative_lookups(), 1, scratch0, scratch1);
   __ IncrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1);
 
   Label done;
@@ skipping 372 matching lines @@
   // Return the register containing the holder.
   return reg;
 }
 
 
 void NamedLoadHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) {
   if (!miss->is_unused()) {
     Label success;
     __ b(&success);
     __ bind(miss);
+    if (IC::ICUseVector(kind())) {
+      DCHECK(kind() == Code::LOAD_IC);
+      PopVectorAndSlot();
+    }
     TailCallBuiltin(masm(), MissBuiltin(kind()));
     __ bind(&success);
   }
 }
 
 
 void NamedStoreHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) {
   if (!miss->is_unused()) {
     Label success;
     __ b(&success);
@@ skipping 78 matching lines @@
 
   // Save necessary data before invoking an interceptor.
   // Requires a frame to make GC aware of pushed pointers.
   {
     FrameAndConstantPoolScope frame_scope(masm(), StackFrame::INTERNAL);
     if (must_preserve_receiver_reg) {
       __ Push(receiver(), holder_reg, this->name());
     } else {
       __ Push(holder_reg, this->name());
     }
+    InterceptorVectorSlotPush(holder_reg);
     // Invoke an interceptor.  Note: map checks from receiver to
     // interceptor's holder has been compiled before (see a caller
     // of this method.)
     CompileCallLoadPropertyWithInterceptor(
         masm(), receiver(), holder_reg, this->name(), holder(),
         IC::kLoadPropertyWithInterceptorOnly);
 
     // Check if interceptor provided a value for property.  If it's
     // the case, return immediately.
     Label interceptor_failed;
     __ LoadRoot(scratch1(), Heap::kNoInterceptorResultSentinelRootIndex);
     __ cmp(r0, scratch1());
     __ b(eq, &interceptor_failed);
     frame_scope.GenerateLeaveFrame();
     __ Ret();
 
     __ bind(&interceptor_failed);
+    InterceptorVectorSlotPop(holder_reg);
     __ pop(this->name());
     __ pop(holder_reg);
     if (must_preserve_receiver_reg) {
       __ pop(receiver());
     }
     // Leave the internal frame.
   }
 
   GenerateLoadPostInterceptor(it, holder_reg);
 }
 
 
 void NamedLoadHandlerCompiler::GenerateLoadInterceptor(Register holder_reg) {
   // Call the runtime system to load the interceptor.
   DCHECK(holder()->HasNamedInterceptor());
   DCHECK(!holder()->GetNamedInterceptor()->getter()->IsUndefined());
   PushInterceptorArguments(masm(), receiver(), holder_reg, this->name(),
                            holder());
 
   ExternalReference ref = ExternalReference(
       IC_Utility(IC::kLoadPropertyWithInterceptor), isolate());
   __ TailCallExternalReference(
       ref, NamedLoadHandlerCompiler::kInterceptorArgsLength, 1);
 }
 
 
 Handle<Code> NamedStoreHandlerCompiler::CompileStoreCallback(
     Handle<JSObject> object, Handle<Name> name,
     Handle<ExecutableAccessorInfo> callback) {
-  Register holder_reg = Frontend(receiver(), name);
+  Register holder_reg = Frontend(name);
 
   __ push(receiver());  // receiver
   __ push(holder_reg);
   __ mov(ip, Operand(callback));  // callback info
   __ push(ip);
   __ mov(ip, Operand(name));
   __ Push(ip, value());
 
   // Do tail-call to the runtime system.
   ExternalReference store_callback_property =
@@ skipping 20 matching lines @@
 
 
 Register NamedStoreHandlerCompiler::value() {
   return StoreDescriptor::ValueRegister();
 }
 
 
 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal(
     Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) {
   Label miss;
+  if (IC::ICUseVector(kind())) {
+    PushVectorAndSlot();
+  }
   FrontendHeader(receiver(), name, &miss);
 
   // Get the value from the cell.
   Register result = StoreDescriptor::ValueRegister();
   __ mov(result, Operand(cell));
   __ ldr(result, FieldMemOperand(result, Cell::kValueOffset));
 
   // Check for deleted property if property can actually be deleted.
   if (is_configurable) {
     __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
     __ cmp(result, ip);
     __ b(eq, &miss);
   }
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->named_load_global_stub(), 1, r1, r3);
+  if (IC::ICUseVector(kind())) {
+    DiscardVectorAndSlot();
+  }
   __ Ret();
 
   FrontendFooter(name, &miss);
 
   // Return the generated code.
   return GetCode(kind(), Code::NORMAL, name);
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM