diff options
| author | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-09 15:57:43 +0000 |
|---|---|---|
| committer | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-09 15:57:43 +0000 |
| commit | eacbf1cd3aff3dbf47a71dc7fdb1d01dce8e777e (patch) | |
| tree | 1bfb594134ffebca206d3ed2fe55693634759c1d /gcc/sel-sched.c | |
| parent | 11fd42e7594bdb9c8d9cf10f9924cb8644752b78 (diff) | |
| download | gcc-eacbf1cd3aff3dbf47a71dc7fdb1d01dce8e777e.tar.gz | |
2013-09-09 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 202389 using svnmerge.py; notice
that gcc/melt/xtramelt-ana-base.melt has been significantly
updated, but some updates are yet missing...
[gcc/]
2013-09-09 Basile Starynkevitch <basile@starynkevitch.net>
{{When merging trunk GCC 4.9 with C++ passes}}
* melt/xtramelt-ana-base.melt: Add GCC 4.9 specific code, still
incomplete, for classy passes.... Only Gimple passes are yet possible...
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@202408 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/sel-sched.c')
| -rw-r--r-- | gcc/sel-sched.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gcc/sel-sched.c b/gcc/sel-sched.c index fb9386f9690..46c66b4f3ed 100644 --- a/gcc/sel-sched.c +++ b/gcc/sel-sched.c @@ -6424,10 +6424,23 @@ code_motion_process_successors (insn_t insn, av_set_t orig_ops, res = b; /* We have simplified the control flow below this point. In this case, - the iterator becomes invalid. We need to try again. */ + the iterator becomes invalid. We need to try again. + If we have removed the insn itself, it could be only an + unconditional jump. Thus, do not rescan but break immediately -- + we have already visited the only successor block. */ + if (!BLOCK_FOR_INSN (insn)) + { + if (sched_verbose >= 6) + sel_print ("Not doing rescan: already visited the only successor" + " of block %d\n", old_index); + break; + } if (BLOCK_FOR_INSN (insn)->index != old_index || EDGE_COUNT (bb->succs) != old_succs) { + if (sched_verbose >= 6) + sel_print ("Rescan: CFG was simplified below insn %d, block %d\n", + INSN_UID (insn), BLOCK_FOR_INSN (insn)->index); insn = sel_bb_end (BLOCK_FOR_INSN (insn)); goto rescan; } |