From cc4e79d826ec73ccde23d710b827b9d76f031708 Mon Sep 17 00:00:00 2001 From: Jeff Law Date: Mon, 27 Nov 1995 09:19:26 -0700 Subject: toplev.c (rest_of_compilation): Always call jump_optimize at least once. * toplev.c (rest_of_compilation): Always call jump_optimize at least once. From-SVN: r10613 --- gcc/toplev.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) (limited to 'gcc') diff --git a/gcc/toplev.c b/gcc/toplev.c index 1b6fccb..6d71dae 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -2815,17 +2815,11 @@ rest_of_compilation (decl) for all references to such slots. */ /* fixup_stack_slots (); */ - /* Do jump optimization the first time, if -opt. - Also do it if -W, but in that case it doesn't change the rtl code, - it only computes whether control can drop off the end of the function. */ - - if (optimize > 0 || extra_warnings || warn_return_type - /* If function is `noreturn', we should warn if it tries to return. */ - || TREE_THIS_VOLATILE (decl)) - { - TIMEVAR (jump_time, reg_scan (insns, max_reg_num (), 0)); - TIMEVAR (jump_time, jump_optimize (insns, 0, 0, 1)); - } + /* Always do one jump optimization pass to ensure that JUMP_LABEL fields + are initialized and to compute whether control can drop off the end + of the function. */ + TIMEVAR (jump_time, reg_scan (insns, max_reg_num (), 0)); + TIMEVAR (jump_time, jump_optimize (insns, 0, 0, 1)); /* Now is when we stop if -fsyntax-only and -Wreturn-type. */ if (rtl_dump_and_exit || flag_syntax_only || DECL_DEFER_OUTPUT (decl)) -- cgit v1.1