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| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-26 12:05:24 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-26 12:05:24 +0000 |
| commit | 8ddad41d2bdf91d09d2effc7673ce41a577fb8bb (patch) | |
| tree | 2e0ce944007433764dbb17fe53d32320bebbcfb3 /gcc/cfgcleanup.c | |
| parent | bc7ef935ebf12140d3090ef1ff207f3c8df944cf (diff) | |
| download | ppe42-gcc-8ddad41d2bdf91d09d2effc7673ce41a577fb8bb.tar.gz ppe42-gcc-8ddad41d2bdf91d09d2effc7673ce41a577fb8bb.zip | |
* cfgcleanup.c (try_optimize_cfg): Do not delete forwarder blocks
if CLEANUP_NO_INSN_DEL.
* cfgrtl.c (unique_locus_on_edge_between_p): New function extracted
from cfg_layout_merge_blocks.
(emit_nop_for_unique_locus_between): New function.
(rtl_merge_blocks): Invoke emit_nop_for_unique_locus_between.
(cfg_layout_merge_blocks): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187913 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgcleanup.c')
| -rw-r--r-- | gcc/cfgcleanup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/cfgcleanup.c b/gcc/cfgcleanup.c index e94e7e3fb41..6c56a041d75 100644 --- a/gcc/cfgcleanup.c +++ b/gcc/cfgcleanup.c @@ -2644,7 +2644,7 @@ try_optimize_cfg (int mode) } /* If we fall through an empty block, we can remove it. */ - if (!(mode & CLEANUP_CFGLAYOUT) + if (!(mode & (CLEANUP_CFGLAYOUT | CLEANUP_NO_INSN_DEL)) && single_pred_p (b) && (single_pred_edge (b)->flags & EDGE_FALLTHRU) && !LABEL_P (BB_HEAD (b)) |
