| /* memset implementation for the dynamic linker. This is separate from the |
| libc implementation to avoid writing to SSE registers. |
| Copyright (C) 2013-2014 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdep.h> |
| #include "asm-syntax.h" |
| |
| |
| .text |
| /* void *memset (void *dest, char c, size_t count) |
| dest => %rdi |
| c => %rsi |
| count => %rdx */ |
| ENTRY (memset) |
| mov %rdx, %rcx |
| movzbl %sil, %eax |
| mov %rdi, %rdx |
| rep stosb |
| mov %rdx, %rax |
| ret |
| END (memset) |
| libc_hidden_builtin_def (memset) |
