http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54457
--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> 2012-11-01 22:31:45
UTC ---
(In reply to comment #7)
> Shouldn't the gcc.target/i386/pr54457.c testcase be...
>
> Index: gcc/testsuite/gcc.target/i386/pr54457.c
> ===================================================================
> --- gcc/testsuite/gcc.target/i386/pr54457.c (revision 193061)
> +++ gcc/testsuite/gcc.target/i386/pr54457.c (working copy)
> @@ -1,4 +1,4 @@
> -/* { dg-do compile { target { ! { ia32 } } } } */
> +/* { dg-do compile { target { ! { ia32 || lp64 } } } } */
> /* { dg-options "-O2 -mx32 -maddress-mode=short" } */
>
> extern char array[40];
>
> On x86_64-apple-darwin12 at -m64, the gcc.target/i386/pr54457.c testcase fails
> the excessive errors test whereas the change above converts that to an
> unsupported test.
It will disable test on Linux/x86-64. We can add
check_effective_target_maybe_x32 to check if -mx32
works before compiling with -mx32.
