Cosmetic changes ("set up" is a verb, "setup" is a noun).

src/arm/macro-assembler-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 799 matching lines @@
   // r2: preserved
 
   // Drop the execution stack down to the frame pointer and restore
   // the caller frame pointer and return address.
   mov(sp, fp);
   ldm(ia_w, sp, fp.bit() | lr.bit());
 }
 
 
 void MacroAssembler::EnterExitFrame(bool save_doubles, int stack_space) {
-  // Setup the frame structure on the stack.
+  // Set up the frame structure on the stack.
   ASSERT_EQ(2 * kPointerSize, ExitFrameConstants::kCallerSPDisplacement);
   ASSERT_EQ(1 * kPointerSize, ExitFrameConstants::kCallerPCOffset);
   ASSERT_EQ(0 * kPointerSize, ExitFrameConstants::kCallerFPOffset);
   Push(lr, fp);
-  mov(fp, Operand(sp));  // Setup new frame pointer.
+  mov(fp, Operand(sp));  // Set up new frame pointer.
   // Reserve room for saved entry sp and code object.
   sub(sp, sp, Operand(2 * kPointerSize));
   if (emit_debug_code()) {
     mov(ip, Operand(0));
     str(ip, MemOperand(fp, ExitFrameConstants::kSPOffset));
   }
   mov(ip, Operand(CodeObject()));
   str(ip, MemOperand(fp, ExitFrameConstants::kCodeOffset));
 
   // Save the frame pointer and the context in top.
@@ skipping 2830 matching lines @@
 void CodePatcher::EmitCondition(Condition cond) {
   Instr instr = Assembler::instr_at(masm_.pc_);
   instr = (instr & ~kCondMask) | cond;
   masm_.emit(instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM