http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46285
--- Comment #7 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-11-04 02:32:30 UTC --- (In reply to comment #6) > Please try this > > ---- > diff --git a/gcc/testsuite/gcc.target/i386/pr46285.c > b/gcc/testsuite/gcc.target/i386/pr46285.c > index 8b8cbcf..de705b0 100644 > --- a/gcc/testsuite/gcc.target/i386/pr46285.c > +++ b/gcc/testsuite/gcc.target/i386/pr46285.c > @@ -1,5 +1,6 @@ > /* { dg-do compile } */ > /* { dg-options "-mavx -fsplit-stack -mtune=generic" } */ > +/* { dg-require-effective-target split_stack } */ > > typedef char __m256 __attribute__ ((__vector_size__ (32))); > void foo (__m256 x) {} > --- This patch properly converts the failures to unsupported tests on x86_64-apple-darwin10.