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| author | Richard Henderson <rth@redhat.com> | 2016-01-26 09:29:02 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2016-01-26 09:29:02 -0800 |
| commit | ffc445f48618c0bdd51146e9a59cdc5c293f24ec (patch) | |
| tree | e6bd983d58381ccf42b88e0d9a4c3958c5abece9 /gcc | |
| parent | dcbc08799695068b5beee1e5b89daacac23cfc0d (diff) | |
| download | gcc-ffc445f48618c0bdd51146e9a59cdc5c293f24ec.zip gcc-ffc445f48618c0bdd51146e9a59cdc5c293f24ec.tar.gz gcc-ffc445f48618c0bdd51146e9a59cdc5c293f24ec.tar.bz2 | |
re PR middle-end/60908 (compiler bug related to trans-mem.c)
PR middle-end/60908
* trans-mem.c (tm_region_init): Mark entry block as visited.
testsuite/
* gcc.dg/tm/pr60908.c: New test.
From-SVN: r232839
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tm/pr60908.c | 15 | ||||
| -rw-r--r-- | gcc/trans-mem.c | 7 |
4 files changed, 28 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f030101..fef8cfe 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-01-26 Richard Henderson <rth@redhat.com> + + PR middle-end/60908 + * trans-mem.c (tm_region_init): Mark entry block as visited. + 2016-01-26 David Malcolm <dmalcolm@redhat.com> PR other/69006 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 18aa8af..3e40014 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2016-01-26 Richard Henderson <rth@redhat.com> + + * gcc.dg/tm/pr60908.c: New test. + 2016-01-26 David Malcolm <dmalcolm@redhat.com> PR other/69006 diff --git a/gcc/testsuite/gcc.dg/tm/pr60908.c b/gcc/testsuite/gcc.dg/tm/pr60908.c new file mode 100644 index 0000000..773438d --- /dev/null +++ b/gcc/testsuite/gcc.dg/tm/pr60908.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-fgnu-tm" } */ + +int t, v; + +int +foo (void) +{ + while (1) + { + __transaction_atomic { v++; } + if (t) + return 0; + } +} diff --git a/gcc/trans-mem.c b/gcc/trans-mem.c index b204760..500071f 100644 --- a/gcc/trans-mem.c +++ b/gcc/trans-mem.c @@ -2039,16 +2039,17 @@ tm_region_init (struct tm_region *region) struct tm_region *old_region; auto_vec<tm_region *> bb_regions; - all_tm_regions = region; - bb = single_succ (ENTRY_BLOCK_PTR_FOR_FN (cfun)); - /* We could store this information in bb->aux, but we may get called through get_all_tm_blocks() from another pass that may be already using bb->aux. */ bb_regions.safe_grow_cleared (last_basic_block_for_fn (cfun)); + all_tm_regions = region; + bb = single_succ (ENTRY_BLOCK_PTR_FOR_FN (cfun)); queue.safe_push (bb); + bitmap_set_bit (visited_blocks, bb->index); bb_regions[bb->index] = region; + do { bb = queue.pop (); |