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| author | Richard Henderson <rth@redhat.com> | 2012-03-05 11:52:08 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2012-03-05 11:52:08 -0800 |
| commit | 4999c62c838dde11b309da746a563b684fe325ea (patch) | |
| tree | 6e448fc21f38971cea77de1235e228d4af822d4b | |
| parent | 95a6dda5e7ec9b2fa3c9674a29e743ad374534ff (diff) | |
| download | gcc-4999c62c838dde11b309da746a563b684fe325ea.zip gcc-4999c62c838dde11b309da746a563b684fe325ea.tar.gz gcc-4999c62c838dde11b309da746a563b684fe325ea.tar.bz2 | |
re PR tree-optimization/52242 (libgomp.c/atomic-2.c failure on s390x)
PR tree-opt/52242
Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
* omp-low.c (expand_omp_atomic): Assume anything aligned to
BIGGEST_ALIGNMENT is aligned.
From-SVN: r184955
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/omp-low.c | 4 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c9fa152..936a07e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2012-03-05 Richard Henderson <rth@redhat.com> + PR tree-opt/52242 + Revert: 2011-11-26 Richard Henderson <rth@redhat.com> + * omp-low.c (expand_omp_atomic): Assume anything aligned to + BIGGEST_ALIGNMENT is aligned. + +2012-03-05 Richard Henderson <rth@redhat.com> + * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move... * config/sh/sh.c: ... here. diff --git a/gcc/omp-low.c b/gcc/omp-low.c index db71594..82ca4fd 100644 --- a/gcc/omp-low.c +++ b/gcc/omp-low.c @@ -5504,9 +5504,7 @@ expand_omp_atomic (struct omp_region *region) unsigned int align = TYPE_ALIGN_UNIT (type); /* __sync builtins require strict data alignment. */ - /* ??? Assume BIGGEST_ALIGNMENT *is* aligned. */ - if (exact_log2 (align) >= index - || align * BITS_PER_UNIT >= BIGGEST_ALIGNMENT) + if (exact_log2 (align) >= index) { /* Atomic load. */ if (loaded_val == stored_val |