aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--sysdeps/x86_64/memmove.S32
-rw-r--r--sysdeps/x86_64/multiarch/ifunc-impl-list.c467
-rw-r--r--sysdeps/x86_64/multiarch/ifunc-memmove.h47
-rw-r--r--sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms.S15
-rw-r--r--sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S3
-rw-r--r--sysdeps/x86_64/multiarch/memmove-avx512-unaligned-erms.S11
-rw-r--r--sysdeps/x86_64/multiarch/memmove-evex-unaligned-erms.S16
-rw-r--r--sysdeps/x86_64/multiarch/memmove-shlib-compat.h26
-rw-r--r--sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S36
-rw-r--r--sysdeps/x86_64/multiarch/memmove-ssse3.S4
-rw-r--r--sysdeps/x86_64/multiarch/rtld-memmove.S18
11 files changed, 403 insertions, 272 deletions
diff --git a/sysdeps/x86_64/memmove.S b/sysdeps/x86_64/memmove.S
index 78e8d974d9..19527690eb 100644
--- a/sysdeps/x86_64/memmove.S
+++ b/sysdeps/x86_64/memmove.S
@@ -16,17 +16,6 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
-#include <sysdep.h>
-
-#define VEC_SIZE 16
-#define VEC(i) xmm##i
-#define PREFETCHNT prefetchnta
-#define VMOVNT movntdq
-/* Use movups and movaps for smaller code sizes. */
-#define VMOVU movups
-#define VMOVA movaps
-#define MOV_SIZE 3
-#define SECTION(p) p
#ifdef USE_MULTIARCH
# if !IS_IN (libc)
@@ -42,12 +31,18 @@
#if !defined USE_MULTIARCH || !IS_IN (libc)
# define MEMPCPY_SYMBOL(p,s) __mempcpy
#endif
-#ifndef MEMMOVE_SYMBOL
-# define MEMMOVE_CHK_SYMBOL(p,s) p
-# define MEMMOVE_SYMBOL(p,s) memmove
-#endif
-#include "multiarch/memmove-vec-unaligned-erms.S"
+#define MEMMOVE_CHK_SYMBOL(p,s) p
+#define MEMMOVE_SYMBOL(p,s) memmove
+
+
+#define DEFAULT_IMPL_V1 "multiarch/memmove-sse2-unaligned-erms.S"
+#define DEFAULT_IMPL_V3 "multiarch/memmove-avx-unaligned-erms.S"
+#define DEFAULT_IMPL_V4 "multiarch/memmove-evex-unaligned-erms.S"
+
+#include "isa-default-impl.h"
+
+weak_alias (__mempcpy, mempcpy)
#ifndef USE_MULTIARCH
libc_hidden_builtin_def (memmove)
@@ -59,13 +54,10 @@ libc_hidden_def (__mempcpy)
weak_alias (__mempcpy, mempcpy)
libc_hidden_builtin_def (mempcpy)
+
# if defined SHARED && IS_IN (libc)
# undef memcpy
# include <shlib-compat.h>
versioned_symbol (libc, __memcpy, memcpy, GLIBC_2_14);
-
-# if SHLIB_COMPAT (libc, GLIBC_2_2_5, GLIBC_2_14)
-compat_symbol (libc, memmove, memcpy, GLIBC_2_2_5);
-# endif
# endif
#endif
diff --git a/sysdeps/x86_64/multiarch/ifunc-impl-list.c b/sysdeps/x86_64/multiarch/ifunc-impl-list.c
index b84acfead2..7858aa316f 100644
--- a/sysdeps/x86_64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/x86_64/multiarch/ifunc-impl-list.c
@@ -101,84 +101,96 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
#ifdef SHARED
/* Support sysdeps/x86_64/multiarch/memmove_chk.c. */
IFUNC_IMPL (i, name, __memmove_chk,
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- CPU_FEATURE_USABLE (AVX512F),
- __memmove_chk_avx512_no_vzeroupper)
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __memmove_chk_avx512_unaligned)
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __memmove_chk_avx512_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- CPU_FEATURE_USABLE (AVX),
- __memmove_chk_avx_unaligned)
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- CPU_FEATURE_USABLE (AVX),
- __memmove_chk_avx_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __memmove_chk_avx_unaligned_rtm)
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __memmove_chk_avx_unaligned_erms_rtm)
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __memmove_chk_evex_unaligned)
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __memmove_chk_evex_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __memmove_chk,
- CPU_FEATURE_USABLE (SSSE3),
- __memmove_chk_ssse3)
IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
- __memmove_chk_sse2_unaligned)
- IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
- __memmove_chk_sse2_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
- __memmove_chk_erms))
+ __memmove_chk_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memmove_chk,
+ CPU_FEATURE_USABLE (AVX512F),
+ __memmove_chk_avx512_no_vzeroupper)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memmove_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memmove_chk_avx512_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memmove_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memmove_chk_avx512_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memmove_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memmove_chk_evex_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memmove_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memmove_chk_evex_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __memmove_chk,
+ CPU_FEATURE_USABLE (AVX),
+ __memmove_chk_avx_unaligned)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __memmove_chk,
+ CPU_FEATURE_USABLE (AVX),
+ __memmove_chk_avx_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __memmove_chk,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __memmove_chk_avx_unaligned_rtm)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __memmove_chk,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __memmove_chk_avx_unaligned_erms_rtm)
+ /* By V3 we assume fast aligned copy. */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, __memmove_chk,
+ CPU_FEATURE_USABLE (SSSE3),
+ __memmove_chk_ssse3)
+ /* ISA V2 wrapper for SSE2 implementation because the SSE2
+ implementation is also used at ISA level 2 (SSSE3 is too
+ optimized around aligned copy to be better as general
+ purpose memmove). */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, __memmove_chk, 1,
+ __memmove_chk_sse2_unaligned)
+ X86_IFUNC_IMPL_ADD_V2 (array, i, __memmove_chk, 1,
+ __memmove_chk_sse2_unaligned_erms))
#endif
/* Support sysdeps/x86_64/multiarch/memmove.c. */
IFUNC_IMPL (i, name, memmove,
- IFUNC_IMPL_ADD (array, i, memmove,
- CPU_FEATURE_USABLE (AVX),
- __memmove_avx_unaligned)
- IFUNC_IMPL_ADD (array, i, memmove,
- CPU_FEATURE_USABLE (AVX),
- __memmove_avx_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, memmove,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __memmove_avx_unaligned_rtm)
- IFUNC_IMPL_ADD (array, i, memmove,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __memmove_avx_unaligned_erms_rtm)
- IFUNC_IMPL_ADD (array, i, memmove,
- CPU_FEATURE_USABLE (AVX512VL),
- __memmove_evex_unaligned)
- IFUNC_IMPL_ADD (array, i, memmove,
- CPU_FEATURE_USABLE (AVX512VL),
- __memmove_evex_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, memmove,
- CPU_FEATURE_USABLE (AVX512F),
- __memmove_avx512_no_vzeroupper)
- IFUNC_IMPL_ADD (array, i, memmove,
- CPU_FEATURE_USABLE (AVX512VL),
- __memmove_avx512_unaligned)
- IFUNC_IMPL_ADD (array, i, memmove,
- CPU_FEATURE_USABLE (AVX512VL),
- __memmove_avx512_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, memmove, CPU_FEATURE_USABLE (SSSE3),
- __memmove_ssse3)
- IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_erms)
IFUNC_IMPL_ADD (array, i, memmove, 1,
- __memmove_sse2_unaligned)
- IFUNC_IMPL_ADD (array, i, memmove, 1,
- __memmove_sse2_unaligned_erms))
+ __memmove_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memmove,
+ CPU_FEATURE_USABLE (AVX512F),
+ __memmove_avx512_no_vzeroupper)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memmove,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memmove_avx512_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memmove,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memmove_avx512_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memmove,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memmove_evex_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memmove,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memmove_evex_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, memmove,
+ CPU_FEATURE_USABLE (AVX),
+ __memmove_avx_unaligned)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, memmove,
+ CPU_FEATURE_USABLE (AVX),
+ __memmove_avx_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, memmove,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __memmove_avx_unaligned_rtm)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, memmove,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __memmove_avx_unaligned_erms_rtm)
+ /* By V3 we assume fast aligned copy. */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, memmove,
+ CPU_FEATURE_USABLE (SSSE3),
+ __memmove_ssse3)
+ /* ISA V2 wrapper for SSE2 implementation because the SSE2
+ implementation is also used at ISA level 2 (SSSE3 is too
+ optimized around aligned copy to be better as general
+ purpose memmove). */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, memmove, 1,
+ __memmove_sse2_unaligned)
+ X86_IFUNC_IMPL_ADD_V2 (array, i, memmove, 1,
+ __memmove_sse2_unaligned_erms))
/* Support sysdeps/x86_64/multiarch/memrchr.c. */
IFUNC_IMPL (i, name, memrchr,
@@ -832,165 +844,190 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
#ifdef SHARED
/* Support sysdeps/x86_64/multiarch/memcpy_chk.c. */
IFUNC_IMPL (i, name, __memcpy_chk,
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- CPU_FEATURE_USABLE (AVX512F),
- __memcpy_chk_avx512_no_vzeroupper)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __memcpy_chk_avx512_unaligned)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __memcpy_chk_avx512_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- CPU_FEATURE_USABLE (AVX),
- __memcpy_chk_avx_unaligned)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- CPU_FEATURE_USABLE (AVX),
- __memcpy_chk_avx_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __memcpy_chk_avx_unaligned_rtm)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __memcpy_chk_avx_unaligned_erms_rtm)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __memcpy_chk_evex_unaligned)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __memcpy_chk_evex_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk,
- CPU_FEATURE_USABLE (SSSE3),
- __memcpy_chk_ssse3)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
- __memcpy_chk_sse2_unaligned)
- IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
- __memcpy_chk_sse2_unaligned_erms)
IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
- __memcpy_chk_erms))
+ __memcpy_chk_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memcpy_chk,
+ CPU_FEATURE_USABLE (AVX512F),
+ __memcpy_chk_avx512_no_vzeroupper)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memcpy_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memcpy_chk_avx512_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memcpy_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memcpy_chk_avx512_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memcpy_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memcpy_chk_evex_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __memcpy_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memcpy_chk_evex_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __memcpy_chk,
+ CPU_FEATURE_USABLE (AVX),
+ __memcpy_chk_avx_unaligned)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __memcpy_chk,
+ CPU_FEATURE_USABLE (AVX),
+ __memcpy_chk_avx_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __memcpy_chk,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __memcpy_chk_avx_unaligned_rtm)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __memcpy_chk,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __memcpy_chk_avx_unaligned_erms_rtm)
+ /* By V3 we assume fast aligned copy. */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, __memcpy_chk,
+ CPU_FEATURE_USABLE (SSSE3),
+ __memcpy_chk_ssse3)
+ /* ISA V2 wrapper for SSE2 implementation because the SSE2
+ implementation is also used at ISA level 2 (SSSE3 is too
+ optimized around aligned copy to be better as general
+ purpose memmove). */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, __memcpy_chk, 1,
+ __memcpy_chk_sse2_unaligned)
+ X86_IFUNC_IMPL_ADD_V2 (array, i, __memcpy_chk, 1,
+ __memcpy_chk_sse2_unaligned_erms))
#endif
/* Support sysdeps/x86_64/multiarch/memcpy.c. */
IFUNC_IMPL (i, name, memcpy,
- IFUNC_IMPL_ADD (array, i, memcpy,
- CPU_FEATURE_USABLE (AVX),
- __memcpy_avx_unaligned)
- IFUNC_IMPL_ADD (array, i, memcpy,
- CPU_FEATURE_USABLE (AVX),
- __memcpy_avx_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, memcpy,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __memcpy_avx_unaligned_rtm)
- IFUNC_IMPL_ADD (array, i, memcpy,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __memcpy_avx_unaligned_erms_rtm)
- IFUNC_IMPL_ADD (array, i, memcpy,
- CPU_FEATURE_USABLE (AVX512VL),
- __memcpy_evex_unaligned)
- IFUNC_IMPL_ADD (array, i, memcpy,
- CPU_FEATURE_USABLE (AVX512VL),
- __memcpy_evex_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, memcpy, CPU_FEATURE_USABLE (SSSE3),
- __memcpy_ssse3)
- IFUNC_IMPL_ADD (array, i, memcpy,
- CPU_FEATURE_USABLE (AVX512F),
- __memcpy_avx512_no_vzeroupper)
- IFUNC_IMPL_ADD (array, i, memcpy,
- CPU_FEATURE_USABLE (AVX512VL),
- __memcpy_avx512_unaligned)
- IFUNC_IMPL_ADD (array, i, memcpy,
- CPU_FEATURE_USABLE (AVX512VL),
- __memcpy_avx512_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_sse2_unaligned)
IFUNC_IMPL_ADD (array, i, memcpy, 1,
- __memcpy_sse2_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_erms))
+ __memcpy_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memcpy,
+ CPU_FEATURE_USABLE (AVX512F),
+ __memcpy_avx512_no_vzeroupper)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memcpy,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memcpy_avx512_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memcpy,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memcpy_avx512_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memcpy,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memcpy_evex_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, memcpy,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __memcpy_evex_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, memcpy,
+ CPU_FEATURE_USABLE (AVX),
+ __memcpy_avx_unaligned)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, memcpy,
+ CPU_FEATURE_USABLE (AVX),
+ __memcpy_avx_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, memcpy,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __memcpy_avx_unaligned_rtm)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, memcpy,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __memcpy_avx_unaligned_erms_rtm)
+ /* By V3 we assume fast aligned copy. */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, memcpy,
+ CPU_FEATURE_USABLE (SSSE3),
+ __memcpy_ssse3)
+ /* ISA V2 wrapper for SSE2 implementation because the SSE2
+ implementation is also used at ISA level 2 (SSSE3 is too
+ optimized around aligned copy to be better as general
+ purpose memmove). */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, memcpy, 1,
+ __memcpy_sse2_unaligned)
+ X86_IFUNC_IMPL_ADD_V2 (array, i, memcpy, 1,
+ __memcpy_sse2_unaligned_erms))
#ifdef SHARED
/* Support sysdeps/x86_64/multiarch/mempcpy_chk.c. */
IFUNC_IMPL (i, name, __mempcpy_chk,
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- CPU_FEATURE_USABLE (AVX512F),
- __mempcpy_chk_avx512_no_vzeroupper)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __mempcpy_chk_avx512_unaligned)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __mempcpy_chk_avx512_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- CPU_FEATURE_USABLE (AVX),
- __mempcpy_chk_avx_unaligned)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- CPU_FEATURE_USABLE (AVX),
- __mempcpy_chk_avx_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __mempcpy_chk_avx_unaligned_rtm)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __mempcpy_chk_avx_unaligned_erms_rtm)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __mempcpy_chk_evex_unaligned)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- CPU_FEATURE_USABLE (AVX512VL),
- __mempcpy_chk_evex_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
- CPU_FEATURE_USABLE (SSSE3),
- __mempcpy_chk_ssse3)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
- __mempcpy_chk_sse2_unaligned)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
- __mempcpy_chk_sse2_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
- __mempcpy_chk_erms))
+ __mempcpy_chk_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __mempcpy_chk,
+ CPU_FEATURE_USABLE (AVX512F),
+ __mempcpy_chk_avx512_no_vzeroupper)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __mempcpy_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __mempcpy_chk_avx512_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __mempcpy_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __mempcpy_chk_avx512_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __mempcpy_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __mempcpy_chk_evex_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, __mempcpy_chk,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __mempcpy_chk_evex_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __mempcpy_chk,
+ CPU_FEATURE_USABLE (AVX),
+ __mempcpy_chk_avx_unaligned)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __mempcpy_chk,
+ CPU_FEATURE_USABLE (AVX),
+ __mempcpy_chk_avx_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __mempcpy_chk,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __mempcpy_chk_avx_unaligned_rtm)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, __mempcpy_chk,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __mempcpy_chk_avx_unaligned_erms_rtm)
+ /* By V3 we assume fast aligned copy. */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, __mempcpy_chk,
+ CPU_FEATURE_USABLE (SSSE3),
+ __mempcpy_chk_ssse3)
+ /* ISA V2 wrapper for SSE2 implementation because the SSE2
+ implementation is also used at ISA level 2 (SSSE3 is too
+ optimized around aligned copy to be better as general
+ purpose memmove). */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, __mempcpy_chk, 1,
+ __mempcpy_chk_sse2_unaligned)
+ X86_IFUNC_IMPL_ADD_V2 (array, i, __mempcpy_chk, 1,
+ __mempcpy_chk_sse2_unaligned_erms))
#endif
/* Support sysdeps/x86_64/multiarch/mempcpy.c. */
IFUNC_IMPL (i, name, mempcpy,
- IFUNC_IMPL_ADD (array, i, mempcpy,
- CPU_FEATURE_USABLE (AVX512F),
- __mempcpy_avx512_no_vzeroupper)
- IFUNC_IMPL_ADD (array, i, mempcpy,
- CPU_FEATURE_USABLE (AVX512VL),
- __mempcpy_avx512_unaligned)
- IFUNC_IMPL_ADD (array, i, mempcpy,
- CPU_FEATURE_USABLE (AVX512VL),
- __mempcpy_avx512_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, mempcpy,
- CPU_FEATURE_USABLE (AVX),
- __mempcpy_avx_unaligned)
- IFUNC_IMPL_ADD (array, i, mempcpy,
- CPU_FEATURE_USABLE (AVX),
- __mempcpy_avx_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, mempcpy,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __mempcpy_avx_unaligned_rtm)
- IFUNC_IMPL_ADD (array, i, mempcpy,
- (CPU_FEATURE_USABLE (AVX)
- && CPU_FEATURE_USABLE (RTM)),
- __mempcpy_avx_unaligned_erms_rtm)
- IFUNC_IMPL_ADD (array, i, mempcpy,
- CPU_FEATURE_USABLE (AVX512VL),
- __mempcpy_evex_unaligned)
- IFUNC_IMPL_ADD (array, i, mempcpy,
- CPU_FEATURE_USABLE (AVX512VL),
- __mempcpy_evex_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, mempcpy, CPU_FEATURE_USABLE (SSSE3),
- __mempcpy_ssse3)
- IFUNC_IMPL_ADD (array, i, mempcpy, 1,
- __mempcpy_sse2_unaligned)
IFUNC_IMPL_ADD (array, i, mempcpy, 1,
- __mempcpy_sse2_unaligned_erms)
- IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_erms))
+ __mempcpy_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, mempcpy,
+ CPU_FEATURE_USABLE (AVX512F),
+ __mempcpy_avx512_no_vzeroupper)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, mempcpy,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __mempcpy_avx512_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, mempcpy,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __mempcpy_avx512_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, mempcpy,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __mempcpy_evex_unaligned)
+ X86_IFUNC_IMPL_ADD_V4 (array, i, mempcpy,
+ CPU_FEATURE_USABLE (AVX512VL),
+ __mempcpy_evex_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, mempcpy,
+ CPU_FEATURE_USABLE (AVX),
+ __mempcpy_avx_unaligned)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, mempcpy,
+ CPU_FEATURE_USABLE (AVX),
+ __mempcpy_avx_unaligned_erms)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, mempcpy,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __mempcpy_avx_unaligned_rtm)
+ X86_IFUNC_IMPL_ADD_V3 (array, i, mempcpy,
+ (CPU_FEATURE_USABLE (AVX)
+ && CPU_FEATURE_USABLE (RTM)),
+ __mempcpy_avx_unaligned_erms_rtm)
+ /* By V3 we assume fast aligned copy. */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, mempcpy,
+ CPU_FEATURE_USABLE (SSSE3),
+ __mempcpy_ssse3)
+ /* ISA V2 wrapper for SSE2 implementation because the SSE2
+ implementation is also used at ISA level 2 (SSSE3 is too
+ optimized around aligned copy to be better as general
+ purpose memmove). */
+ X86_IFUNC_IMPL_ADD_V2 (array, i, mempcpy, 1,
+ __mempcpy_sse2_unaligned)
+ X86_IFUNC_IMPL_AD