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

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 3326 matching lines @@
   __ cmp(r1, r3);
   __ b(ne, &not_array_function);
 
   // The target function is the Array constructor,
   // Create an AllocationSite if we don't already have it, store it in the cell
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
     // Arguments register must be smi-tagged to call out.
     __ SmiTag(r0);
-    __ push(r0);
-    __ push(r1);
-    __ push(r2);
+    __ Push(r2, r1, r0);
 
     CreateAllocationSiteStub create_stub;
     __ CallStub(&create_stub);
 
-    __ pop(r2);
-    __ pop(r1);
-    __ pop(r0);
+    __ Pop(r2, r1, r0);
     __ SmiUntag(r0);
   }
   __ b(&done);
 
   __ bind(&not_array_function);
   __ str(r1, FieldMemOperand(r2, Cell::kValueOffset));
   // No need for a write barrier here - cells are rescanned.
 
   __ bind(&done);
 }
@@ skipping 1647 matching lines @@
 
 
 void ICCompareStub::GenerateMiss(MacroAssembler* masm) {
   {
     // Call the runtime system in a fresh internal frame.
     ExternalReference miss =
         ExternalReference(IC_Utility(IC::kCompareIC_Miss), masm->isolate());
 
     FrameScope scope(masm, StackFrame::INTERNAL);
     __ Push(r1, r0);
-    __ push(lr);
-    __ Push(r1, r0);
+    __ Push(lr, r1, r0);
     __ mov(ip, Operand(Smi::FromInt(op_)));
     __ push(ip);
     __ CallExternalReference(miss, 3);
     // Compute the entry point of the rewritten stub.
     __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
     // Restore registers.
     __ pop(lr);
-    __ pop(r0);
-    __ pop(r1);
+    __ Pop(r1, r0);
   }
 
   __ Jump(r2);
 }
 
 
 void DirectCEntryStub::Generate(MacroAssembler* masm) {
   // Place the return address on the stack, making the call
   // GC safe. The RegExp backend also relies on this.
   __ str(lr, MemOperand(sp, 0));
@@ skipping 1023 matching lines @@
   __ bind(&fast_elements_case);
   GenerateCase(masm, FAST_ELEMENTS);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM