On 32-bit x86, disable certain tests involving sNaN values.

Follow-up to commit 495ded2c8c1eb8c0ac4b54add2dd397852e19cba.

1 files changed, 26 insertions, 0 deletions

diff --git a/sysdeps/i386/fpu/math-tests.h b/sysdeps/i386/fpu/math-tests.h
new file mode 100644
index 0000000..00c5f6c
--- /dev/null
+++ b/sysdeps/i386/fpu/math-tests.h
@@ -0,0 +1,26 @@
+/* Configuration for math tests.  32-bit x86 version.
+   Copyright (C) 2013 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/>.  */
+
+/* On 32-bit x86, versions of GCC up to at least 4.8 are happy to use FPU load
+   instructions for sNaN values, and loading a float or double sNaN value will
+   already raise an INVALID exception as well as turn the sNaN into a qNaN,
+   rendering certain tests infeasible in this scenario.  */
+#define SNAN_TESTS_float	0
+#define SNAN_TESTS_double	0
+
+#include_next <math-tests.h>