mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-05 03:01:05 +00:00
77 lines
2.8 KiB
C
77 lines
2.8 KiB
C
|
/* glibc-hwcaps subdirectory test. x86_64 version.
|
||
|
Copyright (C) 2020 Free Software Foundation, Inc.
|
||
|
This file is part of the GNU C Library.
|
||
|
|
||
|
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
|
||
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <support/check.h>
|
||
|
#include <sys/param.h>
|
||
|
#include <sys/platform/x86.h>
|
||
|
|
||
|
extern int marker2 (void);
|
||
|
extern int marker3 (void);
|
||
|
extern int marker4 (void);
|
||
|
|
||
|
/* Return the x86-64-vN level, 1 for the baseline. */
|
||
|
static int
|
||
|
compute_level (void)
|
||
|
{
|
||
|
const struct cpu_features *cpu_features
|
||
|
= __x86_get_cpu_features (COMMON_CPUID_INDEX_MAX);
|
||
|
|
||
|
if (!(CPU_FEATURE_USABLE_P (cpu_features, CMPXCHG16B)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, LAHF64_SAHF64)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, POPCNT)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, MMX)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, SSE)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, SSE2)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, SSE3)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, SSSE3)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, SSE4_1)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, SSE4_2)))
|
||
|
return 1;
|
||
|
if (!(CPU_FEATURE_USABLE_P (cpu_features, AVX)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, AVX2)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, BMI1)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, BMI2)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, F16C)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, FMA)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, LZCNT)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, MOVBE)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, OSXSAVE)))
|
||
|
return 2;
|
||
|
if (!(CPU_FEATURE_USABLE_P (cpu_features, AVX512F)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, AVX512BW)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, AVX512CD)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, AVX512DQ)
|
||
|
&& CPU_FEATURE_USABLE_P (cpu_features, AVX512VL)))
|
||
|
return 3;
|
||
|
return 4;
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
do_test (void)
|
||
|
{
|
||
|
int level = compute_level ();
|
||
|
printf ("info: detected x86-64 micro-architecture level: %d\n", level);
|
||
|
TEST_COMPARE (marker2 (), MIN (level, 2));
|
||
|
TEST_COMPARE (marker3 (), MIN (level, 3));
|
||
|
TEST_COMPARE (marker4 (), MIN (level, 4));
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
#include <support/test-driver.c>
|