[dpdk-dev] [PATCH] acl: fix build failure with gcc 5.4.0

Ali Alnubani alialnu at nvidia.com
Thu Oct 15 14:28:09 CEST 2020


Thanks Konstantin.

> -----Original Message-----
> From: Konstantin Ananyev <konstantin.ananyev at intel.com>
> Sent: Thursday, October 15, 2020 2:54 PM
> To: dev at dpdk.org
> Cc: alialnu at mellanox.com; david.marchand at redhat.com; Konstantin
> Ananyev <konstantin.ananyev at intel.com>
> Subject: [PATCH] acl: fix build failure with gcc 5.4.0
> 
> gcc 5.4 fails with:
> ../lib/librte_acl/acl_run_avx512x8.h: In function 'match_process_avx512x8':
> ../lib/librte_acl/acl_run_avx512x8.h:382:31: error:
> pointer targets in passing argument 1 of '_mm256_mask_i32scatter_epi32'
> differ in signedness [-Werror=pointer-sign]
> 
> Later gcc versions work fine, as for them parameter type was changed to
> 'void *'.
> Fixed by applying explicit cast for offending argument.
> 
> Fixes: b64c2295f7fc ("acl: add 256-bit AVX512 classify method")
> Fixes: 45da22e42ec3 ("acl: add 512-bit AVX512 classify method")
> 
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
> ---

Tested-by: Ali Alnubani <alialnu at nvidia.com>

- Ali


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