1 | /* memset with SSE2. |
2 | All versions must be listed in ifunc-impl-list.c. |
3 | Copyright (C) 2014-2023 Free Software Foundation, Inc. |
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 |
17 | License along with the GNU C Library; if not, see |
18 | <https://www.gnu.org/licenses/>. */ |
19 | |
20 | #include <isa-level.h> |
21 | |
22 | /* MINIMUM_X86_ISA_LEVEL <= 2 because there is no V2 implementation |
23 | so we need this to build for ISA V2 builds. */ |
24 | #if ISA_SHOULD_BUILD (2) |
25 | |
26 | # include <sysdep.h> |
27 | # define USE_WITH_SSE2 1 |
28 | |
29 | # include "x86-sse2-vecs.h" |
30 | |
31 | # define MEMSET_SET_VEC0_AND_SET_RETURN(d, r) \ |
32 | movd d, %xmm0; \ |
33 | movq r, %rax; \ |
34 | punpcklbw %xmm0, %xmm0; \ |
35 | punpcklwd %xmm0, %xmm0; \ |
36 | pshufd $0, %xmm0, %xmm0 |
37 | |
38 | # define WMEMSET_SET_VEC0_AND_SET_RETURN(d, r) \ |
39 | movd d, %xmm0; \ |
40 | pshufd $0, %xmm0, %xmm0; \ |
41 | movq r, %rax |
42 | |
43 | # define MEMSET_VDUP_TO_VEC0_HIGH() |
44 | # define MEMSET_VDUP_TO_VEC0_LOW() |
45 | |
46 | # define WMEMSET_VDUP_TO_VEC0_HIGH() |
47 | # define WMEMSET_VDUP_TO_VEC0_LOW() |
48 | |
49 | # ifndef MEMSET_SYMBOL |
50 | # define MEMSET_SYMBOL(p,s) p##_sse2_##s |
51 | # endif |
52 | |
53 | # ifndef WMEMSET_SYMBOL |
54 | # define WMEMSET_SYMBOL(p,s) p##_sse2_##s |
55 | # endif |
56 | |
57 | # include "memset-vec-unaligned-erms.S" |
58 | |
59 | #endif |
60 | |