Implement DoCallKeyed for arm lithium compiler.

src/arm/lithium-codegen-arm.cc

 // Copyright 2010 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 1794 matching lines @@
       DoMathSqrt(instr);
       break;
     default:
       Abort("Unimplemented type of LUnaryMathOperation.");
       UNREACHABLE();
   }
 }
 
 
 void LCodeGen::DoCallKeyed(LCallKeyed* instr) {
-  Abort("DoCallKeyed unimplemented.");
+  ASSERT(ToRegister(instr->result()).is(r0));
+
+  int arity = instr->arity();
+  Handle<Code> ic = StubCache::ComputeKeyedCallInitialize(arity, NOT_IN_LOOP);
+  CallCode(ic, RelocInfo::CODE_TARGET, instr);
+  __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
 }
 
 
 void LCodeGen::DoCallNamed(LCallNamed* instr) {
   ASSERT(ToRegister(instr->result()).is(r0));
 
   int arity = instr->arity();
   Handle<Code> ic = StubCache::ComputeCallInitialize(arity, NOT_IN_LOOP);
   __ mov(r2, Operand(instr->name()));
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
@@ skipping 797 matching lines @@
 
 
 void LCodeGen::DoOsrEntry(LOsrEntry* instr) {
   Abort("DoOsrEntry unimplemented.");
 }
 
 
 #undef __
 
 } }  // namespace v8::internal