https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91549
--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to rdapp from comment #4) > Would this be ok? > > diff --git a/gcc/testsuite/gcc.dg/wrapped-binop-simplify.c > b/gcc/testsuite/gcc.dg/wrapped-binop-simplify.c > index 44d85c04bfb..0d83384cd0a 100644 > --- a/gcc/testsuite/gcc.dg/wrapped-binop-simplify.c > +++ b/gcc/testsuite/gcc.dg/wrapped-binop-simplify.c > @@ -1,5 +1,5 @@ > -/* { dg-do compile } */ > -/* { dg-options "-O2 -fdump-tree-vrp2-details" } */ > +/* { dg-do compile { target x86_64-*-* s390x-*-* } } */ > +/* { dg-options "-O2 -fdump-tree-vrp2-details -m64" } */ > /* { dg-final { scan-tree-dump-times "gimple_simplified to" 4 "vrp2" } } */ > > void v1 (unsigned long *in, unsigned long *out, unsigned int n) This approach is not OK, you should use lp64 effective target instead of -m64 option. Please see many examples in testsuite/gcc.dg. Also, x86 is a multilib target, described as { i?86-*-* x86_64-*-* }.