diff options
Diffstat (limited to 'sysdeps/i386/fpu')
| -rw-r--r-- | sysdeps/i386/fpu/math-tests-snan.h (renamed from sysdeps/i386/fpu/math-tests.h) | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/sysdeps/i386/fpu/math-tests.h b/sysdeps/i386/fpu/math-tests-snan.h index 6aba8414d4..9d30f69db0 100644 --- a/sysdeps/i386/fpu/math-tests.h +++ b/sysdeps/i386/fpu/math-tests-snan.h @@ -1,4 +1,4 @@ -/* Configuration for math tests. 32-bit x86 version. +/* Configuration for math tests: sNaN support. 32-bit x86 version. Copyright (C) 2013-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -16,12 +16,24 @@ 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. - <http://gcc.gnu.org/PR56831>. */ +#ifndef I386_MATH_TESTS_SNAN_H +#define I386_MATH_TESTS_SNAN_H 1 + +/* 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. <https://gcc.gnu.org/PR56831>. */ #define SNAN_TESTS_float 0 #define SNAN_TESTS_double 0 +#define SNAN_TESTS_long_double 1 + +/* Before GCC 7, there is no built-in function to provide a __float128 + sNaN, so most sNaN tests for this type cannot work. */ +#if __GNUC_PREREQ (7, 0) +# define SNAN_TESTS_float128 1 +#else +# define SNAN_TESTS_float128 0 +#endif -#include_next <math-tests.h> +#endif /* math-tests-snan.h. */ |