diff options
Diffstat (limited to 'sysdeps/aarch64/multiarch/memcpy_mops.S')
| -rw-r--r-- | sysdeps/aarch64/multiarch/memcpy_mops.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/aarch64/multiarch/memcpy_mops.S b/sysdeps/aarch64/multiarch/memcpy_mops.S new file mode 100644 index 0000000000..4685629664 --- /dev/null +++ b/sysdeps/aarch64/multiarch/memcpy_mops.S @@ -0,0 +1,39 @@ +/* Optimized memcpy for MOPS. + Copyright (C) 2023 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 (__memcpy_mops) + PTR_ARG (0) + PTR_ARG (1) + SIZE_ARG (2) + + mov x3, x0 + .inst 0x19010443 /* cpyfp [x3]!, [x1]!, x2! */ + .inst 0x19410443 /* cpyfm [x3]!, [x1]!, x2! */ + .inst 0x19810443 /* cpyfe [x3]!, [x1]!, x2! */ + ret + +END (__memcpy_mops) |