diff options
Diffstat (limited to 'sysdeps/x86/dl-hwcap.h')
-rw-r--r-- | sysdeps/x86/dl-hwcap.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/x86/dl-hwcap.h b/sysdeps/x86/dl-hwcap.h new file mode 100644 index 0000000000..13ff32a485 --- /dev/null +++ b/sysdeps/x86/dl-hwcap.h @@ -0,0 +1,48 @@ +/* x86 version of hardware capability information handling macros. + Copyright (C) 2017 Free Software Foundation, Inc. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define _DL_HWCAP_COUNT 2 + +enum +{ + HWCAP_X86_SSE2 = 1 << 0, + HWCAP_X86_AVX2 = 1 << 1 +}; + +static inline const char * +__attribute__ ((unused)) +_dl_hwcap_string (int idx) +{ + return GLRO(dl_x86_hwcap_flags)[idx]; +}; + +static inline int +__attribute__ ((unused, always_inline)) +_dl_string_hwcap (const char *str) +{ + int i; + + for (i = 0; i < _DL_HWCAP_COUNT; i++) + { + if (strcmp (str, GLRO(dl_x86_hwcap_flags)[i]) == 0) + return i; + } + return -1; +}; + +/* We cannot provide a general printing function. */ +#define _dl_procinfo(type, word) -1 |