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| author | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2016-12-29 11:05:18 +0000 |
|---|---|---|
| committer | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2016-12-29 11:05:18 +0000 |
| commit | 89fb4f3f30c6109f99c93887d1d8aeaac5314ced (patch) | |
| tree | 6862e1b93149df4077aa5a9221cfbfd37387d009 /acinclude.m4 | |
| parent | 2af113a3b8d28f3dabdf5def3317a5fbc945010e (diff) | |
| download | mpfr-89fb4f3f30c6109f99c93887d1d8aeaac5314ced.tar.gz | |
[src/div.c] replace GMP's invert_limb (internal) by own code
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@11103 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 85fe826cd..8a249e174 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -481,6 +481,17 @@ static int f (double (*func)(double)) { return 0; } AC_DEFINE(HAVE_NEARBYINT, 1,[Have ISO C99 nearbyint function]) ],[AC_MSG_RESULT(no)]) +dnl Check if _mulx_u64 is provided +AC_MSG_CHECKING([for _mulx_u64]) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <immintrin.h> +]], [[ + return _mulx_u64(17, 42, NULL); +]])], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_MULX_U64, 1,[Have _mulx_u64 function]) +],[AC_MSG_RESULT(no)]) + LIBS="$saved_LIBS" dnl Now try to check the long double format @@ -1533,3 +1544,5 @@ if test "$mpfr_c11_thread_ok" = "yes"; then [Define if the ISO C11 Thread is supported.]) fi ]) + + |