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Diffstat (limited to 'sysdeps/x86_64/multiarch/memmove_chk.c')
-rw-r--r--sysdeps/x86_64/multiarch/memmove_chk.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/sysdeps/x86_64/multiarch/memmove_chk.c b/sysdeps/x86_64/multiarch/memmove_chk.c
index 8b12d002dc..f64da63180 100644
--- a/sysdeps/x86_64/multiarch/memmove_chk.c
+++ b/sysdeps/x86_64/multiarch/memmove_chk.c
@@ -1,6 +1,6 @@
/* Multiple versions of __memmove_chk.
All versions must be listed in ifunc-impl-list.c.
- Copyright (C) 2010-2015 Free Software Foundation, Inc.
+ Copyright (C) 2010-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -26,12 +26,21 @@ extern __typeof (__memmove_chk) __memmove_chk_sse2 attribute_hidden;
extern __typeof (__memmove_chk) __memmove_chk_ssse3 attribute_hidden;
extern __typeof (__memmove_chk) __memmove_chk_ssse3_back attribute_hidden;
extern __typeof (__memmove_chk) __memmove_chk_avx_unaligned attribute_hidden;
+# ifdef HAVE_AVX512_ASM_SUPPORT
+ extern __typeof (__memmove_chk) __memmove_chk_avx512_no_vzeroupper attribute_hidden;
+# endif
#include "debug/memmove_chk.c"
libc_ifunc (__memmove_chk,
- HAS_AVX_FAST_UNALIGNED_LOAD ? __memmove_chk_avx_unaligned :
- (HAS_SSSE3
- ? (HAS_FAST_COPY_BACKWARD
+#ifdef HAVE_AVX512_ASM_SUPPORT
+ HAS_ARCH_FEATURE (AVX512F_Usable)
+ && HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
+ ? __memmove_chk_avx512_no_vzeroupper
+ :
+#endif
+ HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load) ? __memmove_chk_avx_unaligned :
+ (HAS_CPU_FEATURE (SSSE3)
+ ? (HAS_ARCH_FEATURE (Fast_Copy_Backward)
? __memmove_chk_ssse3_back : __memmove_chk_ssse3)
: __memmove_chk_sse2));