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. |
| d4697bc9 | 3 | Copyright (C) 2010-2014 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. */ | |
| 25 | #ifndef NOT_IN_libc | |
| 26 | # ifdef SHARED | |
| 3af48cbd L |
27 | .text |
| 28 | ENTRY(bcopy) | |
| 29 | .type bcopy, @gnu_indirect_function | |
| 30 | pushl %ebx | |
| 31 | cfi_adjust_cfa_offset (4) | |
| 32 | cfi_rel_offset (ebx, 0) | |
| 9a1d9254 | 33 | LOAD_PIC_REG(bx) |
| 3af48cbd L |
34 | cmpl $0, KIND_OFFSET+__cpu_features@GOTOFF(%ebx) |
| 35 | jne 1f | |
| 36 | call __init_cpu_features | |
| 37 | 1: leal __bcopy_ia32@GOTOFF(%ebx), %eax | |
| 38 | testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features@GOTOFF(%ebx) | |
| 39 | jz 2f | |
| 40 | leal __bcopy_ssse3@GOTOFF(%ebx), %eax | |
| 41 | testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features@GOTOFF(%ebx) | |
| 42 | jz 2f | |
| 43 | leal __bcopy_ssse3_rep@GOTOFF(%ebx), %eax | |
| 44 | 2: popl %ebx | |
| 45 | cfi_adjust_cfa_offset (-4) | |
| 46 | cfi_restore (ebx) | |
| 47 | ret | |
| 48 | END(bcopy) | |
| 49 | # else | |
| 50 | .text | |
| 51 | ENTRY(bcopy) | |
| 52 | .type bcopy, @gnu_indirect_function | |
| 53 | cmpl $0, KIND_OFFSET+__cpu_features | |
| 54 | jne 1f | |
| 55 | call __init_cpu_features | |
| 56 | 1: leal __bcopy_ia32, %eax | |
| 57 | testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features | |
| 58 | jz 2f | |
| 59 | leal __bcopy_ssse3, %eax | |
| 60 | testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features | |
| 61 | jz 2f | |
| 62 | leal __bcopy_ssse3_rep, %eax | |
| 63 | 2: ret | |
| 64 | END(bcopy) | |
| 65 | # endif | |
| 66 | ||
| 67 | # undef ENTRY | |
| 68 | # define ENTRY(name) \ | |
| 69 | .type __bcopy_ia32, @function; \ | |
| 70 | .p2align 4; \ | |
| b090e8ea L |
71 | .globl __bcopy_ia32; \ |
| 72 | .hidden __bcopy_ia32; \ | |
| 3af48cbd L |
73 | __bcopy_ia32: cfi_startproc; \ |
| 74 | CALL_MCOUNT | |
| 75 | # undef END | |
| 76 | # define END(name) \ | |
| 77 | cfi_endproc; .size __bcopy_ia32, .-__bcopy_ia32 | |
| 78 | ||
| 79 | #endif | |
| 80 | ||
| 81 | #include "../bcopy.S" |