Replace special IC builtins and stubs in the map's cache by codestubs.

src/arm/code-stubs-arm.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 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #if defined(V8_TARGET_ARCH_ARM)
 
 #include "bootstrapper.h"
 #include "code-stubs.h"
 #include "regexp-macro-assembler.h"
+#include "stub-cache.h"
 
 namespace v8 {
 namespace internal {
 
 
 void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
     Isolate* isolate,
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { r1, r0 };
   descriptor->register_param_count_ = 2;
@@ skipping 4450 matching lines @@
       __ InvokeBuiltin(Builtins::INSTANCE_OF, CALL_FUNCTION);
     }
     __ cmp(r0, Operand::Zero());
     __ LoadRoot(r0, Heap::kTrueValueRootIndex, eq);
     __ LoadRoot(r0, Heap::kFalseValueRootIndex, ne);
     __ Ret(HasArgsInRegisters() ? 0 : 2);
   }
 }
 
 
+void StringLengthStub::Generate(MacroAssembler* masm) {
+  Label miss;
+  Register receiver;
+  if (kind_ == Code::KEYED_LOAD_IC) {
+    // ----------- S t a t e -------------
+    //  -- lr    : return address
+    //  -- r0    : key
+    //  -- r1    : receiver
+    // -----------------------------------
+    __ cmp(r0, Operand(masm->isolate()->factory()->length_symbol()));
+    __ b(ne, &miss);
+    receiver = r1;
+  } else {

[Jakob Kummerow, 2013/01/21 14:41:39]

Please add an ASSERT(kind_ == Code::LOAD_IC) for documentation purposes. (Same
on x64.)

[Toon Verwaest, 2013/01/21 14:51:17]

Done.

+    // ----------- S t a t e -------------
+    //  -- r2    : name
+    //  -- lr    : return address
+    //  -- r0    : receiver
+    //  -- sp[0] : receiver
+    // -----------------------------------
+    receiver = r0;
+  }
+
+  StubCompiler::GenerateLoadStringLength(masm, receiver, r3, r4, &miss,
+                                         support_wrapper_);
+
+  __ bind(&miss);
+  StubCompiler::GenerateLoadMiss(masm, kind_);
+}
+
+
 Register InstanceofStub::left() { return r0; }
 
 
 Register InstanceofStub::right() { return r1; }
 
 
 void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* masm) {
   // The displacement is the offset of the last parameter (if any)
   // relative to the frame pointer.
   const int kDisplacement =
@@ skipping 3235 matching lines @@
 
   __ Pop(lr, r5, r1);
   __ Ret();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM