diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/strcpy-sse2.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/strcpy-sse2.S | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/sysdeps/x86_64/multiarch/strcpy-sse2.S b/sysdeps/x86_64/multiarch/strcpy-sse2.S index 8b5db8b13d..e29b411314 100644 --- a/sysdeps/x86_64/multiarch/strcpy-sse2.S +++ b/sysdeps/x86_64/multiarch/strcpy-sse2.S @@ -1,5 +1,5 @@ -/* strcpy optimized with SSE2. - Copyright (C) 2017-2022 Free Software Foundation, Inc. +/* strcpy/stpcpy implementation for x86-64. + Copyright (C) 2002-2022 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 @@ -16,13 +16,15 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#if IS_IN (libc) -# ifndef STRCPY +#include <isa-level.h> + +#if ISA_SHOULD_BUILD (1) + +# include <sysdep.h> + +# ifndef STPCPY # define STRCPY __strcpy_sse2 # endif -#endif - -#include <sysdep.h> .text ENTRY (STRCPY) @@ -144,10 +146,11 @@ ENTRY (STRCPY) jmp 3b /* and look at next two bytes in %rax. */ 4: -#ifdef USE_AS_STPCPY +# ifdef USE_AS_STPCPY movq %rdx, %rax /* Destination is return value. */ -#else +# else movq %rdi, %rax /* Source is return value. */ -#endif +# endif retq END (STRCPY) +#endif |