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| author | Jerome Forissier <jerome.forissier@linaro.org> | 2018-04-27 17:22:36 +0200 |
|---|---|---|
| committer | Jérôme Forissier <jerome.forissier@linaro.org> | 2018-05-04 15:58:52 +0200 |
| commit | fb30cafdd73b4197113e2eca2f1e19274d7a5889 (patch) | |
| tree | 8bef02c62ba8adf55e26f6c1a3970e29c087bb80 /lib | |
| parent | 6aca2c8e640e15ac56f382686a40af1e99326f13 (diff) | |
Prevent unused warnings in speculation_barrier.h
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Joakim Bech <joakim.bech@linaro.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libutils/ext/include/speculation_barrier.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/libutils/ext/include/speculation_barrier.h b/lib/libutils/ext/include/speculation_barrier.h index ca252c17..ef74e361 100644 --- a/lib/libutils/ext/include/speculation_barrier.h +++ b/lib/libutils/ext/include/speculation_barrier.h @@ -25,6 +25,7 @@ ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + #ifdef __HAVE_LOAD_NO_SPECULATE #define load_no_speculate(__ptr, __low, __high) \ (__extension__ ({ \ @@ -44,6 +45,13 @@ (__builtin_load_no_speculate (__ptr, __low, __high, __failval, __cmpptr)) #else + +#ifdef __GNUC__ +#define __UNUSED __attribute__((unused)) +#else +#define __UNUSED +#endif + #ifdef __aarch64__ #define __load_no_speculate1(__ptr, __low, __high, __failval, \ @@ -135,7 +143,7 @@ default: \ { \ char __static_assert_no_speculate_load_size_too_big \ - [sizeof (__nl_val) > 8 ? -1 : 1]; \ + [sizeof (__nl_val) > 8 ? -1 : 1] __UNUSED; \ break; \ } \ } \ @@ -246,7 +254,6 @@ unsigned long before handing it to __builtin_constant_p to \ ensure that clang/llvm correctly detects NULL as a constant if it \ is defined as (void*) 0. */ \ - __typeof__ (__ptr) __tmp_ptr; \ if (__builtin_constant_p ((unsigned long)__high) \ && __high == ((void *)0)) \ { \ @@ -470,7 +477,7 @@ default: \ { \ char __static_assert_no_speculate_load_size_too_big \ - [sizeof (__nl_val) > 8 ? -1 : 1]; \ + [sizeof (__nl_val) > 8 ? -1 : 1] __UNUSED; \ break; \ } \ } \ |