Merge GDB 7.5.1

gdb/testsuite/gdb.arch/ppc64-atomic-inst.exp

 # Copyright 2008-2012 Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #
 # This file is part of the gdb testsuite.
 
-if $tracelevel {
-    strace $tracelevel
-}
-
 # Test single stepping through atomic sequences beginning with
 # a lwarx/ldarx instruction and ending with a stwcx/stdcx
 # instruction.
 
 
 if {![istarget "powerpc*"] || ![is_lp64_target]} {
     verbose "Skipping testing of powerpc64 single stepping over atomic sequences."
     return
 }
 
@@ skipping 22 matching lines @@
   "Set the breakpoint at the start of the sequence"
 
 gdb_test continue "Continuing.*Breakpoint $decimal.*" \
   "Continue until breakpoint"
 
 gdb_test next ".*__asm __volatile.*" \
   "Step through the lwarx/stwcx sequence"
 
 gdb_test next ".*return 0.*" \
   "Step through the ldarx/stdcx sequence"