On Fri, Apr 13, 2018 at 12:10:33PM +, Wilco Dijkstra wrote:
> > Anyway, here is what I think Richard was asking for, that I'm currently
> > bootstrapping/regtesting. It can be easily combined with Martin's target
> > hook if needed, or do it only for
> > endp == 1 && target != const0_rtx && CA
On Fri, Apr 13, 2018 at 5:10 AM, Wilco Dijkstra wrote:
> This patch causes regressions on AArch64 since it now always calls mempcpy
> again, so yes either it would need to be done only for tailcalls (which fixes
> the
> reported regression) or we need Martin's change too so each target can state
Jakub Jelinek wrote:
>On Thu, Apr 12, 2018 at 05:29:35PM +, Wilco Dijkstra wrote:
>> > Depending on what you mean old, I see e.g. in 2010 power7 mempcpy got
>> > added,
>> > in 2013 other power versions, in 2016 s390*, etc. Doing a decent mempcpy
>> > isn't hard if you have asm version of m
On April 13, 2018 12:35:54 AM GMT+02:00, Jakub Jelinek wrote:
>On Thu, Apr 12, 2018 at 07:37:22PM +0200, Jakub Jelinek wrote:
>> On Thu, Apr 12, 2018 at 05:29:35PM +, Wilco Dijkstra wrote:
>> > > Depending on what you mean old, I see e.g. in 2010 power7 mempcpy
>got added,
>> > > in 2013 other
On Thu, Apr 12, 2018 at 07:37:22PM +0200, Jakub Jelinek wrote:
> On Thu, Apr 12, 2018 at 05:29:35PM +, Wilco Dijkstra wrote:
> > > Depending on what you mean old, I see e.g. in 2010 power7 mempcpy got
> > > added,
> > > in 2013 other power versions, in 2016 s390*, etc. Doing a decent mempcpy
On Thu, Apr 12, 2018 at 05:29:35PM +, Wilco Dijkstra wrote:
> > Depending on what you mean old, I see e.g. in 2010 power7 mempcpy got added,
> > in 2013 other power versions, in 2016 s390*, etc. Doing a decent mempcpy
> > isn't hard if you have asm version of memcpy and one spare register.
>