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x86: update AS_* macros to binutils >=2.23, supporting ADX and AVX2

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Now that the kernel specifies binutils 2.23 as the minimum version, we
can remove ifdefs for AVX2 and ADX throughout.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Jason A. Donenfeld
2020-03-26 14:26:00 -06:00
committed by Masahiro Yamada
parent d7e40ea83e
commit e6abef610c
21 changed files with 15 additions and 90 deletions
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6
lib/raid6/algos.c
View File

@@ -34,10 +34,8 @@ const struct raid6_calls * const raid6_algos[] = {
&raid6_avx512x2,
&raid6_avx512x1,
#endif
#ifdef CONFIG_AS_AVX2
&raid6_avx2x2,
&raid6_avx2x1,
#endif
&raid6_sse2x2,
&raid6_sse2x1,
&raid6_sse1x2,
@@ -51,11 +49,9 @@ const struct raid6_calls * const raid6_algos[] = {
&raid6_avx512x2,
&raid6_avx512x1,
#endif
#ifdef CONFIG_AS_AVX2
&raid6_avx2x4,
&raid6_avx2x2,
&raid6_avx2x1,
#endif
&raid6_sse2x4,
&raid6_sse2x2,
&raid6_sse2x1,
@@ -101,9 +97,7 @@ const struct raid6_recov_calls *const raid6_recov_algos[] = {
#ifdef CONFIG_AS_AVX512
&raid6_recov_avx512,
#endif
#ifdef CONFIG_AS_AVX2
&raid6_recov_avx2,
#endif
&raid6_recov_ssse3,
#endif
#ifdef CONFIG_S390

4
lib/raid6/avx2.c
View File

@@ -13,8 +13,6 @@
*
*/
#ifdef CONFIG_AS_AVX2
#include <linux/raid/pq.h>
#include "x86.h"
@@ -470,5 +468,3 @@ const struct raid6_calls raid6_avx2x4 = {
1 /* Has cache hints */
};
#endif
#endif /* CONFIG_AS_AVX2 */

6
lib/raid6/recov_avx2.c
View File

@@ -4,8 +4,6 @@
* Author: Jim Kukunas <james.t.kukunas@linux.intel.com>
*/
#ifdef CONFIG_AS_AVX2
#include <linux/raid/pq.h>
#include "x86.h"
@@ -313,7 +311,3 @@ const struct raid6_recov_calls raid6_recov_avx2 = {
#endif
.priority = 2,
};
#else
#warning "your version of binutils lacks AVX2 support"
#endif

3
lib/raid6/test/Makefile
View File

@@ -35,9 +35,6 @@ endif
ifeq ($(IS_X86),yes)
OBJS += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o avx512.o recov_avx512.o
CFLAGS += -DCONFIG_X86
CFLAGS += $(shell echo "vpbroadcastb %xmm0, %ymm1" | \
gcc -c -x assembler - >/dev/null 2>&1 && \
rm ./-.o && echo -DCONFIG_AS_AVX2=1)
CFLAGS += $(shell echo "vpmovm2b %k1, %zmm5" | \
gcc -c -x assembler - >/dev/null 2>&1 && \
rm ./-.o && echo -DCONFIG_AS_AVX512=1)