2008-04-28 Doug Kwan <dougkwan@google.com>

2008-04-28  Doug Kwan  <dougkwan@google.com>

	* cp/cp-gimplify.c (finish_bc_block):  Tuplify.
	(build_bc_goto):  Renamed to get_bc_label.  Return a label
	only.  Uupdate  callers.
	(get_bc_label): New
	(gimplify_cp_loop): Tuplify.  Also check COND for error_mark_node
	before gimplifying it.
	(gimplify_for_stmt): Tuplify.
	(gimplify_while_stmt): Tuplify.
	(gimplify_for_stmt): Tuplify.
	(gimplify_do_stmt): Tuplify.
	(gimplify_switch_stmt): Tuplify.
	(cp_gimplify_omp_switch_stmt): Add temporary code to pop block
	label stack.
	(cp_gimplify_expr): Pass pre_p to gimplify_while_stmt,
	gimplify_do_stmt and gimplify_switch_stmt.  Tuplify
	gimplification of CONTINUE_STMT and BREAK_STMT.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gimple-tuples-branch@134756 138bc75d-0d04-0410-961f-82ee72b054a4