diff options
author | danglin <danglin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-23 02:15:16 +0000 |
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committer | danglin <danglin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-23 02:15:16 +0000 |
commit | 28f88c09f1fbc5d15e0c119c0fdd76f601a47090 (patch) | |
tree | 8829e87537d81b928913492b165b91a772916d7d /gcc | |
parent | fd48ced8b9a7a458c52f8f35fe1cef0c154c4a45 (diff) |
PR rtl-optimization/14838
* emit-rtl.c (get_first_nonnote_insn): Don't assume first insn is a
note.
(get_last_nonnote_insn): Don't assume last insn is a note.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91065 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 7 | ||||
-rw-r--r-- | gcc/emit-rtl.c | 20 |
2 files changed, 11 insertions, 16 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4604a925b69..b4126fde6a5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2004-11-22 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR rtl-optimization/14838 + * emit-rtl.c (get_first_nonnote_insn): Don't assume first insn is a + note. + (get_last_nonnote_insn): Don't assume last insn is a note. + 2004-11-22 Roger Sayle <roger@eyesopen.com> * fold-const.c (nondestructive_fold_binary_to_constant): Rename diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 051dd152d15..5f2d8b262a3 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -2738,15 +2738,9 @@ get_last_insn_anywhere (void) rtx get_first_nonnote_insn (void) { - rtx insn = first_insn; - - while (insn) - { - insn = next_insn (insn); - if (insn == 0 || !NOTE_P (insn)) - break; - } + rtx insn; + for (insn = first_insn; insn && NOTE_P (insn); insn = next_insn (insn)); return insn; } @@ -2756,15 +2750,9 @@ get_first_nonnote_insn (void) rtx get_last_nonnote_insn (void) { - rtx insn = last_insn; - - while (insn) - { - insn = previous_insn (insn); - if (insn == 0 || !NOTE_P (insn)) - break; - } + rtx insn; + for (insn = last_insn; insn && NOTE_P (insn); insn = previous_insn (insn)); return insn; } |