/* Test case for preserved AVX512 registers in dynamic linker. Copyright (C) 2012-2018 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 . */ #include int tst_audit10_aux (void); static int avx512_enabled (void) { #ifdef bit_AVX512F unsigned int eax, ebx, ecx, edx; if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0 || (ecx & (bit_AVX | bit_OSXSAVE)) != (bit_AVX | bit_OSXSAVE)) return 0; __cpuid_count (7, 0, eax, ebx, ecx, edx); if (!(ebx & bit_AVX512F)) return 0; asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0)); /* Verify that ZMM, YMM and XMM states are enabled. */ return (eax & 0xe6) == 0xe6; #else return 0; #endif } static int do_test (void) { /* Run AVX512 test only if AVX512 is supported. */ if (avx512_enabled ()) return tst_audit10_aux (); else return 77; } #define TEST_FUNCTION do_test () #include "../../test-skeleton.c"