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vppinfra: selectively disable false-positive GCC-10 warnings

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GCC-10 increase overflows-related warnings but is confused by SIMD
operations.

Type: fix

Change-Id: Iafde754c2fbec60e2d0a328f295b1f5c156d8234
Signed-off-by: Benoît Ganne <bganne@cisco.com>
(cherry picked from commit a66971f980)
This commit is contained in:
Benoît Ganne
2020-04-24 10:44:40 +02:00
committed by Andrew Yourtchenko
parent bfbbb1855e
commit 88d730c09e
3 changed files with 24 additions and 0 deletions
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8
src/vppinfra/memcpy_avx2.h
View File

@ -50,6 +50,11 @@
#include <stdint.h>
#include <x86intrin.h>
#include <vppinfra/warnings.h>
/* *INDENT-OFF* */
WARN_OFF (stringop-overflow)
/* *INDENT-ON* */
static inline void
clib_mov16 (u8 * dst, const u8 * src)
@ -228,6 +233,9 @@ clib_memcpy_fast (void *dst, const void *src, size_t n)
goto COPY_BLOCK_128_BACK31;
}
/* *INDENT-OFF* */
WARN_ON (stringop-overflow)
/* *INDENT-ON* */
#endif /* included_clib_memcpy_avx2_h */

8
src/vppinfra/memcpy_avx512.h
View File

@ -50,6 +50,11 @@
#include <stdint.h>
#include <x86intrin.h>
#include <vppinfra/warnings.h>
/* *INDENT-OFF* */
WARN_OFF (stringop-overflow)
/* *INDENT-ON* */
static inline void
clib_mov16 (u8 * dst, const u8 * src)
@ -264,6 +269,9 @@ clib_memcpy_fast (void *dst, const void *src, size_t n)
goto COPY_BLOCK_128_BACK63;
}
/* *INDENT-OFF* */
WARN_ON (stringop-overflow)
/* *INDENT-ON* */
#endif /* included_clib_memcpy_avx512_h */

8
src/vppinfra/memcpy_sse3.h
View File

@ -50,6 +50,11 @@
#include <stdint.h>
#include <x86intrin.h>
#include <vppinfra/warnings.h>
/* *INDENT-OFF* */
WARN_OFF (stringop-overflow)
/* *INDENT-ON* */
static inline void
clib_mov16 (u8 * dst, const u8 * src)
@ -344,6 +349,9 @@ clib_memcpy_fast (void *dst, const void *src, size_t n)
goto COPY_BLOCK_64_BACK15;
}
/* *INDENT-OFF* */
WARN_ON (stringop-overflow)
/* *INDENT-ON* */
#undef CLIB_MVUNALIGN_LEFT47_IMM
#undef CLIB_MVUNALIGN_LEFT47