From 3fbd86b1a8f955095a30129300bf55d12195b392 Mon Sep 17 00:00:00 2001 From: Steven Bosscher Date: Tue, 27 Jul 2004 19:09:32 +0000 Subject: cfgexpand.c (tree_expand_cfg): Fix comment. * cfgexpand.c (tree_expand_cfg): Fix comment. * calls.c (expand_call): Ignore rtx_equal_function_value_matters. * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets): Remove. (prepare_function_start): Don't set rtx_equal_function_value_matters. * integrate.c (copy_rtx_and_substitute): Don't test for it. * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets. Don't set rtx_equal_function_value_matters. Don't register RTL hooks here again. Update leading comment. * rtl.c (rtx_equal_function_value_matters): Remove. (rtx_equal_p): Don't test for it. * simplify-rtx.c (simplify_binary_operation, simplify_subreg): Likewise. * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND. * rtl.c (note_insn_name): Likewise. * emit-rtl.c (remove_unnecessary_notes): Don't handle it. * final.c (final_scan_insn): Likewise. * except.c (finish_eh_generation): Don't call cfg_cleanup from here. * passes.c (rest_of_handle_eh): Do it here. * stmt.c (struct nesting): Remove struct nesting block member. (struct stmt_status): Remove x_block_start_count field. (current_block_start_count): Remove. From-SVN: r85228 --- gcc/calls.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) (limited to 'gcc/calls.c') diff --git a/gcc/calls.c b/gcc/calls.c index bf90ceb..38f5e4c 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -2226,17 +2226,10 @@ expand_call (tree exp, rtx target, int ignore) /* Tail calls can make things harder to debug, and we've traditionally pushed these optimizations into -O2. Don't try if we're already expanding a call, as that means we're an argument. Don't try if - there's cleanups, as we know there's code to follow the call. - - If rtx_equal_function_value_matters is false, that means we've - finished with regular parsing. Which means that some of the - machinery we use to generate tail-calls is no longer in place. - This is most often true of sjlj-exceptions, which we couldn't - tail-call to anyway. */ + there's cleanups, as we know there's code to follow the call. */ if (currently_expanding_call++ != 0 || !flag_optimize_sibling_calls - || !rtx_equal_function_value_matters || args_size.var || lookup_stmt_eh_region (exp) >= 0) try_tail_call = 0; -- cgit v1.1