On 17/06/2022 13:06, David Marchand wrote:
On Thu, Jun 16, 2022 at 11:33 AM David Marchand
<david.march...@redhat.com> wrote:
GCC 12 raises the following warning:

In function ‘_mm256_loadu_si256’,
     inlined from ‘rte_mov32’ at
         ../lib/eal/x86/include/rte_memcpy.h:319:9,
     inlined from ‘rte_mov128’ at
         ../lib/eal/x86/include/rte_memcpy.h:344:2,
     inlined from ‘rte_memcpy_generic’ at
         ../lib/eal/x86/include/rte_memcpy.h:438:4,
     inlined from ‘rte_memcpy’ at
         ../lib/eal/x86/include/rte_memcpy.h:882:10,
     inlined from ‘setup_test_string.constprop’ at
         ../app/test/test_ipsec.c:572:4:
/usr/lib/gcc/x86_64-redhat-linux/12/include/avxintrin.h:929:10: error:
     array subscript ‘__m256i_u[3]’ is partly outside array bounds of
     ‘const char[108]’ [-Werror=array-bounds]
   929 |   return *__P;
       |          ^~~~
../app/test/test_ipsec.c: In function ‘setup_test_string.constprop’:
../app/test/test_ipsec.c:539:12: note: at offset 96 into object
     ‘null_plain_data’ of size 108
   539 | const char null_plain_data[] =
       |            ^~~~~~~~~~~~~~~

Add a hint so that the compiler understands the copied data is within
the passed string boundaries.

Ferruh had opened a bz.

Bugzilla ID: 848
Cc: sta...@dpdk.org

Signed-off-by: David Marchand <david.march...@redhat.com>


Acked-by: Vladimir Medvedkin <vladimir.medved...@intel.com>


--
Regards,
Vladimir

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