diff options
| author | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-06 04:53:53 +0000 |
|---|---|---|
| committer | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-06 04:53:53 +0000 |
| commit | d2099aed4632e059c94011ce2500692e95e30b49 (patch) | |
| tree | 87845d42cf06ccabb7ba3676e962f578826c2baf /gcc/except.c | |
| parent | a7947c16ee5fab420a67c32b699cc5338e14746d (diff) | |
| download | gcc-d2099aed4632e059c94011ce2500692e95e30b49.tar.gz | |
PR middle-end/21460
* except.c (sjlj_emit_function_enter): Find the function begin
note even when it's not in first basic block.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103930 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/gcc/except.c b/gcc/except.c index df91a1b2b18..91c917069ec 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -1728,6 +1728,7 @@ static void sjlj_emit_function_enter (rtx dispatch_label) { rtx fn_begin, fc, mem, seq; + bool fn_begin_outside_block; fc = cfun->eh->sjlj_fc; @@ -1783,23 +1784,20 @@ sjlj_emit_function_enter (rtx dispatch_label) do this in a block that is at loop level 0 and dominates all can_throw_internal instructions. */ + fn_begin_outside_block = true; for (fn_begin = get_insns (); ; fn_begin = NEXT_INSN (fn_begin)) - if (NOTE_P (fn_begin) - && (NOTE_LINE_NUMBER (fn_begin) == NOTE_INSN_FUNCTION_BEG - || NOTE_LINE_NUMBER (fn_begin) == NOTE_INSN_BASIC_BLOCK)) - break; - if (NOTE_LINE_NUMBER (fn_begin) == NOTE_INSN_FUNCTION_BEG) + if (NOTE_P (fn_begin)) + { + if (NOTE_LINE_NUMBER (fn_begin) == NOTE_INSN_FUNCTION_BEG) + break; + else if (NOTE_LINE_NUMBER (fn_begin) == NOTE_INSN_BASIC_BLOCK) + fn_begin_outside_block = false; + } + + if (fn_begin_outside_block) insert_insn_on_edge (seq, single_succ_edge (ENTRY_BLOCK_PTR)); else - { - rtx last = BB_END (single_succ (ENTRY_BLOCK_PTR)); - for (; ; fn_begin = NEXT_INSN (fn_begin)) - if ((NOTE_P (fn_begin) - && NOTE_LINE_NUMBER (fn_begin) == NOTE_INSN_FUNCTION_BEG) - || fn_begin == last) - break; - emit_insn_after (seq, fn_begin); - } + emit_insn_after (seq, fn_begin); } /* Call back from expand_function_end to know where we should put |