[Bug inline-asm/63541] gcc compilation error: The register specified for 'variable' is not general enough to be used as a register variable

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63541

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
pc is not general enough in all of armv7.  If you want to read the PC do this
instead or something like this:
asm("mov pc, %0":"=r"arm_pc);