Message ID | 1505751102-10627-1-git-send-email-siarhei.siamashka@gmail.com |
---|---|
State | New |
Series | "configure.ac: Fix false GCC vector extensions detection for Clang 4" |
Headers | show |
diff --git a/configure.ac b/configure.ac index a592cba..caac10e 100644 --- a/configure.ac +++ b/configure.ac @@ -1102,7 +1102,7 @@ support_for_gcc_vector_extensions=no AC_MSG_CHECKING(for GCC vector extensions) AC_LINK_IFELSE([AC_LANG_SOURCE([[ unsigned int __attribute__ ((vector_size(16))) e, a, b; -int main (void) { e = a - ((b << 27) + (b >> (32 - 27))) + 1; return e[0]; } +int main (void) { e = __builtin_shuffle(a, b) - ((b << 27) + (b >> 5)) + 1; return e[0]; } ]])], support_for_gcc_vector_extensions=yes) if test x$support_for_gcc_vector_extensions = xyes; then