diff options
| author | Jere Leppänen <jere.leppanen@nokia.com> | 2023-12-21 13:09:12 +0200 |
|---|---|---|
| committer | Tuomas Taipale <95341842+TuomasTaipale@users.noreply.github.com> | 2024-01-12 10:58:26 +0200 |
| commit | 3e269c622ae1c12b466f30f70896197a7311000f (patch) | |
| tree | 9fa66520b8303b8b72171cc13cf66ab51568264b /platform/linux-dpdk/include/odp/api | |
| parent | cce2f04368c395e719112260993f3712aeb686fd (diff) | |
linux-dpdk: buffer: ignore array bounds warnings from emmintrin.h
When compiling with GCC 13, there are many warnings from emmintrin.h:
/usr/lib/gcc/x86_64-redhat-linux/13/include/emmintrin.h:706:10:
warning: array subscript 5 is outside array bounds of ‘struct rte_mbuf
*[10]’ [-Warray-bounds=]
These are warnings from call chains involving rte_memcpy(). They're
false positives, where GCC 13 is apparently unable to figure out that
subscripts are in fact within bounds. Ignore the warnings by using
pragmas.
Signed-off-by: Jere Leppänen <jere.leppanen@nokia.com>
Reviewed-by: Tuomas Taipale <tuomas.taipale@nokia.com>
Diffstat (limited to 'platform/linux-dpdk/include/odp/api')
| -rw-r--r-- | platform/linux-dpdk/include/odp/api/plat/buffer_inlines.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/platform/linux-dpdk/include/odp/api/plat/buffer_inlines.h b/platform/linux-dpdk/include/odp/api/plat/buffer_inlines.h index 396d78559..1740c36b3 100644 --- a/platform/linux-dpdk/include/odp/api/plat/buffer_inlines.h +++ b/platform/linux-dpdk/include/odp/api/plat/buffer_inlines.h @@ -115,6 +115,12 @@ _ODP_INLINE void odp_buffer_free_multi(const odp_buffer_t buf[], int num) mp_pending = mbuf_tbl[0]->pool; num_pending = 1; +/* + * num_pending is less than or equal to num, but GCC 13 is not able figure that out, so we have to + * ignore array-bounds warnings in the rte_mempool_put_bulk() calls. + */ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Warray-bounds" for (int i = 1; i < num; i++) { struct rte_mbuf *mbuf = (struct rte_mbuf *)buf[i]; @@ -128,6 +134,7 @@ _ODP_INLINE void odp_buffer_free_multi(const odp_buffer_t buf[], int num) } } rte_mempool_put_bulk(mp_pending, (void **)mbuf_tbl, num_pending); +#pragma GCC diagnostic pop } _ODP_INLINE int odp_buffer_is_valid(odp_buffer_t buf) |