/* | |
Copyright (c) 2014, Intel Corporation | |
All rights reserved. | |
Redistribution and use in source and binary forms, with or without | |
modification, are permitted provided that the following conditions are met: | |
* Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the following disclaimer. | |
* Redistributions in binary form must reproduce the above copyright notice, | |
* this list of conditions and the following disclaimer in the documentation | |
* and/or other materials provided with the distribution. | |
* Neither the name of Intel Corporation nor the names of its contributors | |
* may be used to endorse or promote products derived from this software | |
* without specific prior written permission. | |
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR | |
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#ifndef STRCAT | |
# define STRCAT strcat | |
#endif | |
#ifndef L | |
# define L(label) .L##label | |
#endif | |
#ifndef cfi_startproc | |
# define cfi_startproc .cfi_startproc | |
#endif | |
#ifndef cfi_endproc | |
# define cfi_endproc .cfi_endproc | |
#endif | |
#ifndef ENTRY | |
# define ENTRY(name) \ | |
.type name, @function; \ | |
.globl name; \ | |
.p2align 4; \ | |
name: \ | |
cfi_startproc | |
#endif | |
#ifndef END | |
# define END(name) \ | |
cfi_endproc; \ | |
.size name, .-name | |
#endif | |
#define USE_AS_STRCAT | |
.text | |
ENTRY (STRCAT) | |
mov %rdi, %r9 | |
#ifdef USE_AS_STRNCAT | |
mov %rdx, %r8 | |
#endif | |
#define RETURN jmp L(Strcpy) | |
#include "sse2-strlen-slm.S" | |
#undef RETURN | |
#define RETURN ret | |
L(Strcpy): | |
lea (%r9, %rax), %rdi | |
mov %rsi, %rcx | |
mov %r9, %rax /* save result */ | |
#ifdef USE_AS_STRNCAT | |
test %r8, %r8 | |
jz L(ExitZero) | |
# define USE_AS_STRNCPY | |
#endif | |
#include "sse2-strcpy-slm.S" |