diff options
Diffstat (limited to 'gcc/omp-expand.c')
| -rw-r--r-- | gcc/omp-expand.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/omp-expand.c b/gcc/omp-expand.c index 327c2e7..7365736 100644 --- a/gcc/omp-expand.c +++ b/gcc/omp-expand.c @@ -6241,7 +6241,7 @@ expand_omp_atomic_fetch_op (basic_block load_bb, matter is that (with the exception of i486 vs i586 and xadd) all targets that support any atomic operaton optab also implements compare-and-swap. Let optabs.c take care of expanding any compare-and-swap loop. */ - if (!can_compare_and_swap_p (imode, true)) + if (!can_compare_and_swap_p (imode, true) || !can_atomic_load_p (imode)) return false; gsi = gsi_last_bb (load_bb); @@ -6318,7 +6318,8 @@ expand_omp_atomic_pipeline (basic_block load_bb, basic_block store_bb, type = TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (addr))); itype = TREE_TYPE (TREE_TYPE (cmpxchg)); - if (!can_compare_and_swap_p (TYPE_MODE (itype), true)) + if (!can_compare_and_swap_p (TYPE_MODE (itype), true) + || !can_atomic_load_p (TYPE_MODE (itype))) return false; /* Load the initial value, replacing the GIMPLE_OMP_ATOMIC_LOAD. */ |