https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70171
--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Richard Biener from comment #4)
> Created attachment 37935 [details]
> patch
>
> Patch I am testing.
+ /* { dg-final { scan-assembler-not "\[er\]sp" { target x86_64-*-* } } } */
You should always use "target i?86-*-* x86_64-*-*" and optionally limit to
64bit targets with "&& { ! ia32 }". Please see many examples in gcc.dg.
