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| author | Steven Bosscher <steven@gcc.gnu.org> | 2004-07-27 19:09:32 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2004-07-27 19:09:32 +0000 |
| commit | 3fbd86b1a8f955095a30129300bf55d12195b392 (patch) | |
| tree | 3d2deb55bb0ac08950644e984c159ecbcc49e955 /gcc/calls.c | |
| parent | d078f7c01015454aeb28818c67a69198659ecf85 (diff) | |
| download | gcc-3fbd86b1a8f955095a30129300bf55d12195b392.zip gcc-3fbd86b1a8f955095a30129300bf55d12195b392.tar.gz gcc-3fbd86b1a8f955095a30129300bf55d12195b392.tar.bz2 | |
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
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 9 |
1 files changed, 1 insertions, 8 deletions
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; |