5196 The cw wrapper restricts gcc to -O2

*** 18,27 ****
--- 18,29 ----
  #
  # CDDL HEADER END
  #
  
  #
+ # Copyright 2014 Gary Mills
+ #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  SHELL=/usr/bin/ksh93
*** 75,88 ****
          $(ASTCFLAGS64)
  
  CERRWARN        += -_gcc=-Wno-parentheses
  
  # This codepath is performance-critical
! sparc_COPTFLAG=-xO5 -_cc=-xprefetch=auto,explicit
! sparcv9_COPTFLAG=-xO5 -_cc=-xprefetch=auto,explicit
! i386_COPTFLAG=-_cc=-xO5 -_cc=-xprefetch=auto,explicit
! amd64_COPTFLAG=-_cc=-xO5  -_cc=-xprefetch=auto,explicit
  
  # Suppress this one warning as the fix would break old gcc, which upstream
  # still supports. This needs a better fix (later).
  pics/sumlib.o   := CERRWARN += -erroff=E_CONST_PROMOTED_UNSIGNED_LONG
  
--- 77,92 ----
          $(ASTCFLAGS64)
  
  CERRWARN        += -_gcc=-Wno-parentheses
  
  # This codepath is performance-critical
! sparc_COPTFLAG=-_cc=-xO5 -_gcc=-O2 -_cc=-xprefetch=auto,explicit
! sparcv9_COPTFLAG=-_cc=-xO5 -_gcc=-O2 -_cc=-xprefetch=auto,explicit
! # No optimization for gcc
! i386_COPTFLAG=-_cc=-xO5 -_gcc=-O0 -_cc=-xprefetch=auto,explicit
! amd64_COPTFLAG=-_cc=-xO5 -_gcc=-O0  -_cc=-xprefetch=auto,explicit
! amd64_ADJCOPT=$(ADJUST_OPT1)
  
  # Suppress this one warning as the fix would break old gcc, which upstream
  # still supports. This needs a better fix (later).
  pics/sumlib.o   := CERRWARN += -erroff=E_CONST_PROMOTED_UNSIGNED_LONG