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-rw-r--r--sysdeps/x86_64/tst-audit10.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/sysdeps/x86_64/tst-audit10.c b/sysdeps/x86_64/tst-audit10.c
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+/* Copyright (C) 2012-2014 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
+ <http://www.gnu.org/licenses/>. */
+
+/* Test case for x86-64 preserved registers in dynamic linker. */
+
+#ifdef __AVX512F__
+#include <stdlib.h>
+#include <string.h>
+#include <cpuid.h>
+#include <immintrin.h>
+
+static int
+avx512_enabled (void)
+{
+ 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;
+}
+
+
+extern __m512i audit_test (__m512i, __m512i, __m512i, __m512i,
+ __m512i, __m512i, __m512i, __m512i);
+int
+main (void)
+{
+ /* Run AVX512 test only if AVX512 is supported. */
+ if (avx512_enabled ())
+ {
+ __m512i zmm = _mm512_setzero_si512 ();
+ __m512i ret = audit_test (zmm, zmm, zmm, zmm, zmm, zmm, zmm, zmm);
+
+ zmm = _mm512_set1_epi64 (0x12349876);
+
+ if (memcmp (&zmm, &ret, sizeof (ret)))
+ abort ();
+ }
+ return 0;
+}
+#else
+int
+main (void)
+{
+ return 0;
+}
+#endif