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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-11-15 10:28:52 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-11-15 10:28:52 +0000 |
| commit | 87dc0300484574218cab3aa98836958f1a52d2be (patch) | |
| tree | 5dd2e96887032c78418387f269bc5c8e87b31f65 /gcc/ifcvt.c | |
| parent | 4e7d3e4da5753f4fe4caa3c6bd2cda0111f1bdf1 (diff) | |
| download | ppe42-gcc-87dc0300484574218cab3aa98836958f1a52d2be.tar.gz ppe42-gcc-87dc0300484574218cab3aa98836958f1a52d2be.zip | |
* jump.c (squeeze_notes): Return true if no real insns were found.
* rtl.h (squeeze_notes): Adjust prototype.
* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): If
squeeze_notes finds no real instructions, abort.
(merge_blocks_move_successor_nojumps): Likewise.
* loop.c (find_and_verify_loops): Likewise.
* stmt.c (expand_end_case): Likewise.
* ifcvt.c (dead_or_predicable): Return TRUE if squeeze_notes doesn't
find any real instructions.
* gcc.c-torture/compile/20011114-4.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47048 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ifcvt.c')
| -rw-r--r-- | gcc/ifcvt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index e056cad6dc6..5dd42fc8d7e 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -2659,7 +2659,8 @@ dead_or_predicable (test_bb, merge_bb, other_bb, new_dest, reversep) if (end == merge_bb->end) merge_bb->end = PREV_INSN (head); - squeeze_notes (&head, &end); + if (squeeze_notes (&head, &end)) + return TRUE; reorder_insns (head, end, PREV_INSN (earliest)); } |
