From 7ac4d962399145b6a913d9d39a38514a7ffc0e9f Mon Sep 17 00:00:00 2001 From: Marcus Shawcroft Date: Wed, 16 Jan 2013 13:29:05 +0000 Subject: [PATCH] AArch64: Implement optimized bzero. --- ports/ChangeLog.aarch64 | 4 ++++ ports/sysdeps/aarch64/bzero.S | 27 +++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 ports/sysdeps/aarch64/bzero.S diff --git a/ports/ChangeLog.aarch64 b/ports/ChangeLog.aarch64 index baee87683a..3f8821c38e 100644 --- a/ports/ChangeLog.aarch64 +++ b/ports/ChangeLog.aarch64 @@ -1,3 +1,7 @@ +2013-01-17 Marcus Shawcroft + + * sysdeps/aarch64/bzero.S: New file. + 2013-01-17 Marcus Shawcroft * sysdeps/aarch64/memmove.S: New file. diff --git a/ports/sysdeps/aarch64/bzero.S b/ports/sysdeps/aarch64/bzero.S new file mode 100644 index 0000000000..228c0a5f35 --- /dev/null +++ b/ports/sysdeps/aarch64/bzero.S @@ -0,0 +1,27 @@ +/* Copyright (C) 2013 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 + . */ + +#include + + .text +ENTRY(__bzero) + mov x2, x1 + mov x1, xzr + b __memset +END(__bzero) +weak_alias (__bzero, bzero)