i386: Remove CET support
[glibc.git] / sysdeps / i386 / i686 / multiarch / ifunc-sse2-ssse3.h
blob470c2ba708fc464a18c49d2aa278816a51abe5b6
1 /* Common definition for ifunc selections optimized with SSE2 and
2 SSSE3.
3 All versions must be listed in ifunc-impl-list.c.
4 Copyright (C) 2017-2024 Free Software Foundation, Inc.
5 This file is part of the GNU C Library.
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.
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.
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library; if not, see
19 <https://www.gnu.org/licenses/>. */
21 #include <init-arch.h>
23 extern __typeof (REDIRECT_NAME) OPTIMIZE (ia32) attribute_hidden;
24 extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden;
25 extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) attribute_hidden;
27 static inline void *
28 IFUNC_SELECTOR (void)
30 const struct cpu_features* cpu_features = __get_cpu_features ();
32 if (CPU_FEATURE_USABLE_P (cpu_features, SSE2)
33 && CPU_FEATURES_ARCH_P (cpu_features, Fast_Rep_String))
34 return OPTIMIZE (sse2);
36 if (CPU_FEATURE_USABLE_P (cpu_features, SSSE3))
37 return OPTIMIZE (ssse3);
39 return OPTIMIZE (ia32);