projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 99710781 LD |
1 | /* strcat with SSE2 |
| 2 | Copyright (C) 2011 Free Software Foundation, Inc. | |
| 3 | Contributed by Intel Corporation. | |
| 4 | This file is part of the GNU C Library. | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Lesser General Public | |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | Lesser General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 99710781 LD |
19 | |
| 20 | #ifndef NOT_IN_libc | |
| 21 | ||
| 22 | # include <sysdep.h> | |
| 23 | ||
| 24 | # ifndef STRCAT | |
| 25 | # define STRCAT __strcat_sse2_unaligned | |
| 26 | # endif | |
| 27 | ||
| 28 | # define USE_AS_STRCAT | |
| 29 | ||
| 30 | .text | |
| 31 | ENTRY (STRCAT) | |
| 32 | mov %rdi, %r9 | |
| 33 | # ifdef USE_AS_STRNCAT | |
| 34 | mov %rdx, %r8 | |
| 35 | # endif | |
| 36 | ||
| 37 | # define RETURN jmp L(StartStrcpyPart) | |
| 38 | # include "strlen-sse2-pminub.S" | |
| 39 | # undef RETURN | |
| 40 | ||
| 41 | L(StartStrcpyPart): | |
| 42 | lea (%r9, %rax), %rdi | |
| 43 | mov %rsi, %rcx | |
| 44 | mov %r9, %rax /* save result */ | |
| 45 | ||
| 46 | # ifdef USE_AS_STRNCAT | |
| 47 | test %r8, %r8 | |
| 48 | jz L(ExitZero) | |
| 49 | # define USE_AS_STRNCPY | |
| 50 | # endif | |
| 51 | ||
| 52 | # include "strcpy-sse2-unaligned.S" | |
| 53 | #endif |