Try to use STMDB/LDMIA instead of LDR/STR sequences whenever possible.

src/arm/ic-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 559 matching lines @@
   __ LoadFromNumberDictionary(&slow_load, r4, r2, r1, r0, r3, r5);
   __ IncrementCounter(counters->keyed_call_generic_smi_dict(), 1, r0, r3);
   __ jmp(&do_call);
 
   __ bind(&slow_load);
   // This branch is taken when calling KeyedCallIC_Miss is neither required
   // nor beneficial.
   __ IncrementCounter(counters->keyed_call_generic_slow_load(), 1, r0, r3);
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
-    __ push(r2);  // save the key
-    __ Push(r1, r2);  // pass the receiver and the key
+    __ Push(r2, r1);  // save the key and the receiver
+    __ push(r2);  // pass the receiver and the key
     __ CallRuntime(Runtime::kKeyedGetProperty, 2);
     __ pop(r2);  // restore the key
   }
   __ mov(r1, r0);
   __ jmp(&do_call);
 
   __ bind(&check_name);
   GenerateKeyNameCheck(masm, r2, r0, r3, &index_name, &slow_call);
 
   // The key is known to be a unique name.
@@ skipping 1061 matching lines @@
   } else {
     ASSERT(Assembler::GetCondition(branch_instr) == ne);
     patcher.EmitCondition(eq);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM