HSubAllocatedObject instruction allows hydrogen code to carve up

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 4ae660380ab620e33ce1f20b572227e0ba705ca5..07d01463ca5997593ada49a3cd66ae9d192b709c 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -4195,6 +4195,14 @@ void LCodeGen::DoCallRuntime(LCallRuntime* instr) {
 }
 
 
+void LCodeGen::DoSubAllocatedObject(LSubAllocatedObject* instr) {
+  Register result = ToRegister(instr->result());
+  Register base = ToRegister(instr->base_object());
+  __ lea(result,
+         Operand(base, instr->offset()));

[Hannes Payer (out of office), 2013/03/13 08:48:39]

fits in one line?

+}
+
+
 void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
   Register object = ToRegister(instr->object());
   Register value = ToRegister(instr->value());