Commit 464e3671 authored by Peter Maydell's avatar Peter Maydell Committed by Michael Tokarev
Browse files

configure: Add signed*signed check to [u]int128_t test 

clang 3.3 with -fsanitize=undefined will fail to link code containing an
int128_t * int128_t multiply (http://llvm.org/bugs/show_bug.cgi?id=16404

)
so add this to our configure test for whether [u]int128_t are usable.

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarMichael Tokarev <mjt@tls.msk.ru>
parent 965f486c

configure

+1 −0
Original line number Diff line number Diff line
@@ -3329,6 +3329,7 @@ __uint128_t b; 
int main (void) {

  a = a + b;

  b = a * b;

  a = a * a;

  return 0;

}

EOF