[Bug c/102889] -funroll-loops generates incorrect codes from inline assembly on aarch64

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102889

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |inline-asm
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This inline asm is totally wrong:
asm volatile("rbit %0,%0\n"
                    "clz %0,%0\n" : "=r" (val) : "r" (val) );
Try this:
asm volatile("rbit %0,%1\n"
                    "clz %0,%0\n" : "=&r" (val) : "r" (val) );