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>
---
migration/xbzrle.c | 9 ++++-----
meson.build | 5 +----
2 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/migration/xbzrle.c b/migration/xbzrle.c
index c6f8b20917..258e4959c9 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
diff --git a/meson.build b/meson.build
index f71653d0c8..4bbdbcef37 100644
--- a/meson.build
+++ b/meson.build
@@ -2386,12 +2386,9 @@ config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
.require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
.require(cc.links('''
- #pragma GCC push_options
- #pragma GCC target("avx512bw")
#include <cpuid.h>
#include <immintrin.h>
- static int bar(void *a) {
-
+ static int __attribute__((target("avx512bw"))) bar(void *a) {
__m512i *x = a;
__m512i res= _mm512_abs_epi8(*x);
return res[1];
--
2.34.1