projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 3af48cbd | 1 | /* Multiple versions of bcopy |
| b090e8ea | 2 | All versions must be listed in ifunc-impl-list.c. |
| f7a9f785 | 3 | Copyright (C) 2010-2016 Free Software Foundation, Inc. |
| 3af48cbd L |
4 | Contributed by Intel Corporation. |
| 5 | This file is part of the GNU C Library. | |
| 6 | ||
| 7 | The GNU C Library is free software; you can redistribute it and/or | |
| 8 | modify it under the terms of the GNU Lesser General Public | |
| 9 | License as published by the Free Software Foundation; either | |
| 10 | version 2.1 of the License, or (at your option) any later version. | |
| 11 | ||
| 12 | The GNU C Library is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | Lesser General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 PE |
18 | License along with the GNU C Library; if not, see |
| 19 | <http://www.gnu.org/licenses/>. */ | |
| 3af48cbd L |
20 | |
| 21 | #include <sysdep.h> | |
| 22 | #include <init-arch.h> | |
| 23 | ||
| 24 | /* Define multiple versions only for the definition in lib. */ | |
| 4f41c682 | 25 | #if IS_IN (libc) |
| 3af48cbd L |
26 | .text |
| 27 | ENTRY(bcopy) | |
| 28 | .type bcopy, @gnu_indirect_function | |
| 1aee37a2 L |
29 | LOAD_GOT_AND_RTLD_GLOBAL_RO |
| 30 | LOAD_FUNC_GOT_EAX (__bcopy_ia32) | |
| 31 | HAS_CPU_FEATURE (SSE2) | |
| 8b4416d8 | 32 | jz 2f |
| 1aee37a2 L |
33 | LOAD_FUNC_GOT_EAX (__bcopy_sse2_unaligned) |
| 34 | HAS_ARCH_FEATURE (Fast_Unaligned_Load) | |
| 8b4416d8 | 35 | jnz 2f |
| 1aee37a2 | 36 | HAS_CPU_FEATURE (SSSE3) |
| 3af48cbd | 37 | jz 2f |
| 1aee37a2 L |
38 | LOAD_FUNC_GOT_EAX (__bcopy_ssse3) |
| 39 | HAS_CPU_FEATURE (Fast_Rep_String) | |
| 3af48cbd | 40 | jz 2f |
| 1aee37a2 | 41 | LOAD_FUNC_GOT_EAX (__bcopy_ssse3_rep) |
| 3af48cbd L |
42 | 2: ret |
| 43 | END(bcopy) | |
| 3af48cbd L |
44 | |
| 45 | # undef ENTRY | |
| 46 | # define ENTRY(name) \ | |
| 47 | .type __bcopy_ia32, @function; \ | |
| 48 | .p2align 4; \ | |
| b090e8ea L |
49 | .globl __bcopy_ia32; \ |
| 50 | .hidden __bcopy_ia32; \ | |
| 3af48cbd L |
51 | __bcopy_ia32: cfi_startproc; \ |
| 52 | CALL_MCOUNT | |
| 53 | # undef END | |
| 54 | # define END(name) \ | |
| 55 | cfi_endproc; .size __bcopy_ia32, .-__bcopy_ia32 | |
| 56 | ||
| 57 | #endif | |
| 58 | ||
| 59 | #include "../bcopy.S" |