diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index ff2fad66f4..e828de1fd6 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -3050,3 +3050,57 @@ AC_DEFUN([PHP_CHECK_BUILTIN_EXPECT], [ AC_DEFINE_UNQUOTED([PHP_HAVE_BUILTIN_EXPECT], [$have_builtin_expect], [Whether the compiler supports __builtin_expect]) ]) + +dnl PHP_CHECK_BUILTIN_CLZ +AC_DEFUN([PHP_CHECK_BUILTIN_CLZ], [ + AC_MSG_CHECKING([for __builtin_clz]) + + AC_TRY_LINK(, [ + return __builtin_clz(1) ? 1 : 0; + ], [ + have_builtin_clz=1 + AC_MSG_RESULT([yes]) + ], [ + have_builtin_clz=0 + AC_MSG_RESULT([no]) + ]) + + AC_DEFINE_UNQUOTED([PHP_HAVE_BUILTIN_CLZ], [$have_builtin_clz], [Whether the compiler supports __builtin_clz]) + +]) + +dnl PHP_CHECK_BUILTIN_CTZL +AC_DEFUN([PHP_CHECK_BUILTIN_CTZL], [ + AC_MSG_CHECKING([for __builtin_ctzl]) + + AC_TRY_LINK(, [ + return __builtin_ctzl(2L) ? 1 : 0; + ], [ + have_builtin_ctzl=1 + AC_MSG_RESULT([yes]) + ], [ + have_builtin_ctzl=0 + AC_MSG_RESULT([no]) + ]) + + AC_DEFINE_UNQUOTED([PHP_HAVE_BUILTIN_CTZL], [$have_builtin_ctzl], [Whether the compiler supports __builtin_ctzl]) + +]) + +dnl PHP_CHECK_BUILTIN_CTZLL +AC_DEFUN([PHP_CHECK_BUILTIN_CTZLL], [ + AC_MSG_CHECKING([for __builtin_ctzll]) + + AC_TRY_LINK(, [ + return __builtin_ctzll(2LL) ? 1 : 0; + ], [ + have_builtin_ctzll=1 + AC_MSG_RESULT([yes]) + ], [ + have_builtin_ctzll=0 + AC_MSG_RESULT([no]) + ]) + + AC_DEFINE_UNQUOTED([PHP_HAVE_BUILTIN_CTZLL], [$have_builtin_ctzll], [Whether the compiler supports __builtin_ctzll]) + +]) |