Added tests to ensure linkage through libmvec *_finite aliases which are

defined in libmvec_nonshared.a (bug 19654).

    [BZ #19654]
    * sysdeps/x86_64/fpu/Makefile: Added new tests.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-avx-main.c: New.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-avx-mod.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-avx.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-avx2-main.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-avx2-mod.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-avx2.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-avx512-main.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-avx512-mod.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-avx512.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-main.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias-mod.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-libmvec-alias.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-avx-main.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-avx-mod.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-avx.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-avx2-main.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-avx2-mod.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-avx2.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-avx512-main.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-avx512-mod.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-avx512.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-main.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias-mod.c: Likewise.
    * sysdeps/x86_64/fpu/test-float-libmvec-alias.c: Likewise.
    * sysdeps/x86_64/fpu/test-libmvec-alias-mod.c: Likewise.

1 files changed, 66 insertions, 0 deletions

diff --git a/sysdeps/x86_64/fpu/test-libmvec-alias-mod.c b/sysdeps/x86_64/fpu/test-libmvec-alias-mod.c
new file mode 100644
index 0000000000..ee265ba91c
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-libmvec-alias-mod.c
@@ -0,0 +1,66 @@
+/* Part of test to build shared library to ensure link against
+   *_finite aliases from libmvec.
+   Copyright (C) 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/>.  */
+
+#define N 4000
+FLOAT log_arg[N];
+FLOAT exp_arg[N];
+FLOAT log_res[N];
+FLOAT exp_res[N];
+FLOAT pow_res[N];
+int arch_check = 1;
+
+static void
+init_arg (void)
+{
+  int i;
+
+  CHECK_ARCH_EXT;
+
+  arch_check = 0;
+
+  for (i = 0; i < N; i += 1)
+    {
+      log_arg[i] = 1.0;
+      exp_arg[i] = 0.0;
+    }
+}
+
+int
+test_finite_alias (void)
+{
+  int i;
+
+  init_arg ();
+
+  if (arch_check) return 77;
+
+#pragma omp simd
+  for (i = 0; i < N; i += 1)
+    {
+      log_res[i] = FUNC (log) (log_arg[i]);
+      exp_res[i] = FUNC (exp) (exp_arg[i]);
+      pow_res[i] = FUNC (pow) (log_arg[i], log_arg[i]);
+    }
+
+  if (log_res[0] != 0.0) return 1;
+  if (exp_res[0] != 1.0) return 1;
+  if (pow_res[0] != 1.0) return 1;
+
+  return 0;
+}