| /* | |
| 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" |