tst-audit4, tst-audit10: Compile AVX/AVX-512 code separately [BZ #19269]

This ensures that GCC will not use unsupported instructions before
the run-time check to ensure support.

1 files changed, 41 insertions, 0 deletions

diff --git a/sysdeps/x86_64/tst-audit10-aux.c b/sysdeps/x86_64/tst-audit10-aux.c
new file mode 100644
index 0000000000..4398b8fd6f
--- /dev/null
+++ b/sysdeps/x86_64/tst-audit10-aux.c
@@ -0,0 +1,41 @@
+/* Test case for preserved AVX512 registers in dynamic linker, -mavx512f part.
+   Copyright (C) 2012-2016 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/>.  */
+
+#include <immintrin.h>
+#include <stdlib.h>
+#include <string.h>
+
+extern __m512i audit_test (__m512i, __m512i, __m512i, __m512i,
+			   __m512i, __m512i, __m512i, __m512i);
+
+int
+tst_audit10_aux (void)
+{
+#ifdef __AVX512F__
+  __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 /* __AVX512F__ */
+  return 77;
+#endif /* __AVX512F__ */
+}