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authorFlorian Weimer <fweimer@redhat.com>2016-03-07 16:00:25 +0100
committerFlorian Weimer <fweimer@redhat.com>2016-03-07 16:00:25 +0100
commit3c0f7407eedb524c9114bb675cd55b903c71daaa (patch)
tree0c5c22fd03aeece465c74675d6f277820db2f092 /sysdeps/x86_64/tst-audit4-aux.c
parent900056024b75eae8b550d7fee1dec9e71f28344e (diff)
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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.
Diffstat (limited to 'sysdeps/x86_64/tst-audit4-aux.c')
-rw-r--r--sysdeps/x86_64/tst-audit4-aux.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/x86_64/tst-audit4-aux.c b/sysdeps/x86_64/tst-audit4-aux.c
new file mode 100644
index 0000000000..a1aeb65aea
--- /dev/null
+++ b/sysdeps/x86_64/tst-audit4-aux.c
@@ -0,0 +1,39 @@
+/* Test case for preserved AVX registers in dynamic linker, -mavx part.
+   Copyright (C) 2009-2016 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 __m256i audit_test (__m256i, __m256i, __m256i, __m256i,
+			   __m256i, __m256i, __m256i, __m256i);
+
+int
+tst_audit4_aux (void)
+{
+#ifdef __AVX__
+  __m256i ymm = _mm256_setzero_si256 ();
+  __m256i ret = audit_test (ymm, ymm, ymm, ymm, ymm, ymm, ymm, ymm);
+  ymm =	 _mm256_set1_epi32 (0x12349876);
+  if (memcmp (&ymm, &ret, sizeof (ret)))
+    abort ();
+  return 0;
+#else  /* __AVX__ */
+  return 77;
+#endif  /* __AVX__ */
+}