glibc/sysdeps/aarch64/multiarch/memmove_mops.S

40 lines
1.1 KiB
ArmAsm

/* Optimized memmove for MOPS.
Copyright (C) 2023-2024 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
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
/* Assumptions:
*
* AArch64, MOPS.
*
*/
ENTRY (__memmove_mops)
PTR_ARG (0)
PTR_ARG (1)
SIZE_ARG (2)
mov x3, x0
.inst 0x1d010443 /* cpyp [x3]!, [x1]!, x2! */
.inst 0x1d410443 /* cpym [x3]!, [x1]!, x2! */
.inst 0x1d810443 /* cpye [x3]!, [x1]!, x2! */
ret
END (__memmove_mops)