builtins.c (get_builtin_sync_mem): New function.

2006-01-03  Adrian Straetling  <straetling@de.ibm.com>

	* gcc/builtins.c (get_builtin_sync_mem): New function.
	(expand_builtin_sync_operation, expand_builtin_compare_and_swap,
	expand_builtin_lock_test_and_set, expand_builtin_lock_release):
	Call get_builtin_sync_mem to generate mem rtx.

From-SVN: r109279