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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-05-01 22:05:55 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-05-02 13:05:45 -0700 |
| commit | dc165fcd4effb9e005a4514ab7d666322648e971 (patch) | |
| tree | 2184c5f9c81038ab35aaf671b9293eb9a82ee8a6 /migration | |
| parent | c4075353854ed320cf9225ebd5605836ae236640 (diff) | |
| download | qemu-dc165fcd4effb9e005a4514ab7d666322648e971.zip qemu-dc165fcd4effb9e005a4514ab7d666322648e971.tar.gz qemu-dc165fcd4effb9e005a4514ab7d666322648e971.tar.bz2 | |
migration/xbzrle: Use __attribute__((target)) for avx512
Use the attribute, which is supported by clang, instead of
the #pragma, which is not supported and, for some reason,
also not detected by the meson probe, so we fail by -Werror.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230501210555.289806-1-richard.henderson@linaro.org>
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/xbzrle.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/migration/xbzrle.c b/migration/xbzrle.c index c6f8b20..258e495 100644 --- a/migration/xbzrle.c +++ b/migration/xbzrle.c @@ -177,11 +177,11 @@ int xbzrle_decode_buffer(uint8_t *src, int slen, uint8_t *dst, int dlen) } #if defined(CONFIG_AVX512BW_OPT) -#pragma GCC push_options -#pragma GCC target("avx512bw") #include <immintrin.h> -int xbzrle_encode_buffer_avx512(uint8_t *old_buf, uint8_t *new_buf, int slen, - uint8_t *dst, int dlen) + +int __attribute__((target("avx512bw"))) +xbzrle_encode_buffer_avx512(uint8_t *old_buf, uint8_t *new_buf, int slen, + uint8_t *dst, int dlen) { uint32_t zrun_len = 0, nzrun_len = 0; int d = 0, i = 0, num = 0; @@ -296,5 +296,4 @@ int xbzrle_encode_buffer_avx512(uint8_t *old_buf, uint8_t *new_buf, int slen, } return d; } -#pragma GCC pop_options #endif |