5196 The cw wrapper restricts gcc to -O2

*** 19,28 ****
--- 19,29 ----
  # CDDL HEADER END
  #
  #
  # uts/sun4v/arcfour/Makefile
  #
+ # Copyright 2014 Gary Mills
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  #       This makefile drives the production of the arcfour kernel module.
  #
*** 70,80 ****
  CFLAGS += -dalign
  
  #
  # For niagara specific optimizations
  #
! COPTIMIZE       = -xO5 -xbuiltin=%all
  
  #
  # Override the default -xspace setting
  #
  sparc_SPACEFLAG = -W0,-Lt
--- 71,81 ----
  CFLAGS += -dalign
  
  #
  # For niagara specific optimizations
  #
! COPTIMIZE       = -_cc=-xO5 -_gcc=-O2 -xbuiltin=%all
  
  #
  # Override the default -xspace setting
  #
  sparc_SPACEFLAG = -W0,-Lt