Quoting Mika Kuoppala (2017-11-02 10:38:30)
> Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
>
> > Quoting Mika Kuoppala (2017-10-31 15:27:33)
> >> +static inline struct execlist_port *
> >> +execlists_port_next(struct intel_engine_execlists * const execlists,
> >> + const struct execlist_port * const port)
> >> +{
> >> + const unsigned int n = __port_add(port_index(port, execlists),
> >> + 1,
> >> + execlists->port_mask);
> >
> > How does this compare to
> >
> > if (port++ == execlists->port + execlists->port_mask)
> > port = execlists->port;
> >
> > return port;
> > ?
>
> add/remove: 0/0 grow/shrink: 1/1 up/down: 29/-29 (0)
> function old new delta
> i915_guc_irq_handler 2584 2613 +29
> intel_lrc_irq_handler 2963 2934 -29
> Total: Before=1123627, After=1123627, chg +0.00%
Hmm, your functions saw little difference and are twice as big as
mine... Weird.
I used gcc version 6.3.0 20170516 (Debian 6.3.0-18) with defconfig.
Yourself?
-Chris
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