diff options
| author | Richard Henderson <rth@redhat.com> | 2011-11-27 00:01:04 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 2011-11-27 00:01:04 +0000 |
| commit | dfe34c62998d9d0ddec56098d9787bb8f9b21f77 (patch) | |
| tree | 4166641a79717454183702f3b0705dafe61b5668 | |
| parent | ac88cd5a85e361ab643f346b8d6257e37e17aa06 (diff) | |
omp-low: Assume anything aligned to BIGGEST_ALIGNMENT is aligned.
* omp-low.c (expand_omp_atomic): Assume anything aligned to
BIGGEST_ALIGNMENT is aligned.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@181748 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/omp-low.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7b81a0e1d9e..5d304c89026 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2011-11-26 Richard Henderson <rth@redhat.com> + * omp-low.c (expand_omp_atomic): Assume anything aligned to + BIGGEST_ALIGNMENT is aligned. + +2011-11-26 Richard Henderson <rth@redhat.com> + * config/m68k/m68k.md (UNSPECV_CAS_1, UNSPECV_CAS_2): New. (UNSPECV_TAS_1, UNSPECV_TAS_2): New. (I): New mode iterator. diff --git a/gcc/omp-low.c b/gcc/omp-low.c index a4bfb8413fe..4e1c2badae3 100644 --- a/gcc/omp-low.c +++ b/gcc/omp-low.c @@ -5501,7 +5501,9 @@ expand_omp_atomic (struct omp_region *region) unsigned int align = TYPE_ALIGN_UNIT (type); /* __sync builtins require strict data alignment. */ - if (exact_log2 (align) >= index) + /* ??? Assume BIGGEST_ALIGNMENT *is* aligned. */ + if (exact_log2 (align) >= index + || align * BITS_PER_UNIT >= BIGGEST_ALIGNMENT) { /* Atomic load. */ if (loaded_val == stored_val |