1/* Copyright (C) 2011-2024 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <sysdep.h>
19
20#include <sysdeps/x86/isa-level.h>
21#if MINIMUM_X86_ISA_LEVEL == SSE4_1_X86_ISA_LEVEL
22# include <libm-alias-double.h>
23# define __floor_sse41 __floor
24 .text
25#else
26 .section .text.sse4.1,"ax",@progbits
27#endif
28
29ENTRY(__floor_sse41)
30 roundsd $9, %xmm0, %xmm0
31 ret
32END(__floor_sse41)
33
34#if MINIMUM_X86_ISA_LEVEL == SSE4_1_X86_ISA_LEVEL
35libm_alias_double (__floor, floor)
36#endif
37

source code of glibc/sysdeps/x86_64/fpu/multiarch/s_floor-sse4_1.S