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lib/x86/cpu_features.h: drop evex512 on gcc-16 #427

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Merged
ebiggers merged 2 commits into from
May 22, 2025
Merged

lib/x86/cpu_features.h: drop evex512 on gcc-16 #427

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lib/x86/cpu_features.h: drop evex512 on gcc-16
trofi May 20, 2025
4bfc2fc
lib/x86: drop any mention of `evex512`
trofi May 20, 2025
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4 changes: 2 additions & 2 deletions lib/x86/adler32_impl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@
*/
# define adler32_x86_avx512_vl256_vnni adler32_x86_avx512_vl256_vnni
# define SUFFIX _avx512_vl256_vnni
# define ATTRIBUTES _target_attribute("avx512bw,avx512vl,avx512vnni" NO_EVEX512)
# define ATTRIBUTES _target_attribute("avx512bw,avx512vl,avx512vnni")
# define VL 32
# define USE_VNNI 1
# define USE_AVX512 1
Expand All @@ -94,7 +94,7 @@
*/
# define adler32_x86_avx512_vl512_vnni adler32_x86_avx512_vl512_vnni
# define SUFFIX _avx512_vl512_vnni
# define ATTRIBUTES _target_attribute("avx512bw,avx512vnni" EVEX512)
# define ATTRIBUTES _target_attribute("avx512bw,avx512vnni")
# define VL 64
# define USE_VNNI 1
# define USE_AVX512 1
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9 changes: 0 additions & 9 deletions lib/x86/cpu_features.h
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Expand Up @@ -165,15 +165,6 @@ static inline u32 get_x86_cpu_features(void) { return 0; }
# define HAVE_AVXVNNI(features) ((features) & X86_CPU_FEATURE_AVXVNNI)
#endif

#if (GCC_PREREQ(14, 0) || CLANG_PREREQ(18, 0, 18000000)) \
&& !defined(__EVEX512__) /* avoid subtracting the evex512 feature */
# define EVEX512 ",evex512" /* needed to override potential -mno-evex512 */
# define NO_EVEX512 ",no-evex512"
#else
# define EVEX512 ""
# define NO_EVEX512 ""
#endif

#endif /* ARCH_X86_32 || ARCH_X86_64 */

#endif /* LIB_X86_CPU_FEATURES_H */
4 changes: 2 additions & 2 deletions lib/x86/crc32_impl.h
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Expand Up @@ -104,7 +104,7 @@ static const u8 MAYBE_UNUSED shift_tab[48] = {
*/
# define crc32_x86_vpclmulqdq_avx512_vl256 crc32_x86_vpclmulqdq_avx512_vl256
# define SUFFIX _vpclmulqdq_avx512_vl256
# define ATTRIBUTES _target_attribute("vpclmulqdq,pclmul,avx512bw,avx512vl" NO_EVEX512)
# define ATTRIBUTES _target_attribute("vpclmulqdq,pclmul,avx512bw,avx512vl")
# define VL 32
# define USE_AVX512 1
# include "crc32_pclmul_template.h"
Expand All @@ -117,7 +117,7 @@ static const u8 MAYBE_UNUSED shift_tab[48] = {
*/
# define crc32_x86_vpclmulqdq_avx512_vl512 crc32_x86_vpclmulqdq_avx512_vl512
# define SUFFIX _vpclmulqdq_avx512_vl512
# define ATTRIBUTES _target_attribute("vpclmulqdq,pclmul,avx512bw,avx512vl" EVEX512)
# define ATTRIBUTES _target_attribute("vpclmulqdq,pclmul,avx512bw,avx512vl")
# define VL 64
# define USE_AVX512 1
# include "crc32_pclmul_template.h"
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