On 11/24/2011 12:50 PM, Andrew MacLeod wrote: > * optab.c (maybe_emit_atomic_exchange): New. Try to emit an > atomic_exchange pattern. > (maybe_emit_sync_lock_test_and_set): New. Try to emit an exchange > using __sync_lock_test_and_set. > (maybe_emit_compare_and_swap_exchange_loop): New. Try to emit an > exchange using a compare_and_swap loop. > (expand_sync_lock_test_and_set): New. Expand sync_lock_test_and_set. > (expand_atomic_test_and_set): New. Expand test_and_set operation. > (expand_atomic_exchange): Use new maybe_emit_* functions. > (expand_atomic_store): Use new maybe_emit_* functions. > * builtins.c (expand_builtin_sync_lock_test_and_set): Call > expand_sync_lock_test_and_set routine. > (expand_builtin_atomic_exchange): Remove parameter from call. > (expand_builtin_atomic_clear): Use atomic_clear pattern if present. > (expand_builtin_atomic_test_and_set): Add target and simply call > expand_atomic_test_and_set. > (expand_builtin): Add target to expand_builtin_atomic_test_and_set. > * expr.h (expand_atomic_exchange): Add parameter. > (expand_sync_lock_test_and_set): New prototype. > (expand_atomic_test_and_set, expand_atomic_clear): New prototypes. >
Ok. r~
