1/* memset with SSE2.
2 All versions must be listed in ifunc-impl-list.c.
3 Copyright (C) 2014-2022 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# define VEC_SIZE 16
30# define MOV_SIZE 3
31# define RET_SIZE 1
32
33# define VEC(i) xmm##i
34# define VMOVU movups
35# define VMOVA movaps
36
37# define MEMSET_SET_VEC0_AND_SET_RETURN(d, r) \
38 movd d, %xmm0; \
39 movq r, %rax; \
40 punpcklbw %xmm0, %xmm0; \
41 punpcklwd %xmm0, %xmm0; \
42 pshufd $0, %xmm0, %xmm0
43
44# define WMEMSET_SET_VEC0_AND_SET_RETURN(d, r) \
45 movd d, %xmm0; \
46 pshufd $0, %xmm0, %xmm0; \
47 movq r, %rax
48
49# define MEMSET_VDUP_TO_VEC0_HIGH()
50# define MEMSET_VDUP_TO_VEC0_LOW()
51
52# define WMEMSET_VDUP_TO_VEC0_HIGH()
53# define WMEMSET_VDUP_TO_VEC0_LOW()
54
55# define SECTION(p) p
56
57# ifndef MEMSET_SYMBOL
58# define MEMSET_SYMBOL(p,s) p##_sse2_##s
59# endif
60
61# ifndef WMEMSET_SYMBOL
62# define WMEMSET_SYMBOL(p,s) p##_sse2_##s
63# endif
64
65# include "memset-vec-unaligned-erms.S"
66
67#endif
68