On Mon, Oct 26, 2015 at 03:32:45PM -0700, Nathan Sidwell wrote:
> Richard, Jakub,
> this updates patch 1 to use the target-insns.def mechanism of detecting
> conditionally-implemented instructions. Otherwise it's the same as
> yesterday's patch. To recap:
>
> 1) Moved the subcodes to an enumeration in internal-fn.h
>
> 2) Remove ECF_LEAF
>
> 3) Added check in initialize_ctrl_altering
>
> 4) tracer code now (continues) to only look in last stmt of block
>
> I looked at fnsplit and do not believe I need changes there. That's
> changing things like:
> if (cheap test)
> do cheap thing
> else
> do complex thing
>
> to break out the else part into a separate function. That's fine -- it'll
> copy the whole CFG of interest.
The question is if some UNIQUE call could be ever considered as part of the
cheap test or do cheap thing. If not, everything is fine of course for
fnsplit.
> ok?
Ok for me, but please wait for Richi's ack too.
Jakub
