[Bug rtl-optimization/105519] Unnecessary memcpy() copy for empty asm volatile

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105519

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
There is a tempory because of r and such.

  asm volatile("" : "+m,r"(*(Tp*)&value) : : "memory");

That is r requires a copy and such.