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| author | Jakub Jelinek <jakub@redhat.com> | 2010-11-23 16:16:43 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-11-23 16:16:43 +0100 |
| commit | 90eb3e33b896f57ec061b2404eab6de9e984d7a2 (patch) | |
| tree | 95d45f0b7a3cd58a3cc14a87016b385e22d8eeaf /gcc/cfgexpand.c | |
| parent | ae8358d69a0f237f466185b41396bb735793b460 (diff) | |
| download | gcc-90eb3e33b896f57ec061b2404eab6de9e984d7a2.zip gcc-90eb3e33b896f57ec061b2404eab6de9e984d7a2.tar.gz gcc-90eb3e33b896f57ec061b2404eab6de9e984d7a2.tar.bz2 | |
re PR middle-end/46499 (gcc.c-torture/execute/20051021-1.c FAILs with -fno-tree-dominator-opts -fno-tree-ccp)
PR middle-end/46499
* cfgexpand.c (maybe_cleanup_end_of_block): Remove also BARRIERs
following unconditional jumps.
* gcc.dg/pr46499-1.c: New test.
* gcc.dg/pr46499-2.c: New test.
From-SVN: r167082
Diffstat (limited to 'gcc/cfgexpand.c')
| -rw-r--r-- | gcc/cfgexpand.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index 784639d..a65f12b 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -1694,7 +1694,14 @@ maybe_cleanup_end_of_block (edge e, rtx last) { insn = PREV_INSN (insn); if (JUMP_P (NEXT_INSN (insn))) - delete_insn (NEXT_INSN (insn)); + { + if (!any_condjump_p (insn)) + { + gcc_assert (BARRIER_P (NEXT_INSN (NEXT_INSN (insn)))); + delete_insn (NEXT_INSN (NEXT_INSN (insn))); + } + delete_insn (NEXT_INSN (insn)); + } } } } |