gcc optimises out test of value in register-only loop

[Thomas Martitz]

Am 13.10.2011 13:56, schrieb MikeW:
> Looks like the 'volatile' attribute does not work when registers are involved,
> even though various language standard documents just mention "access to
> an object" rather than stating that the qualifier only applies to
> in-memory "objects".
>

Does the standard even know about non-memory objects, i.e. registers?

Best regards.