Author: jhibbits
Date: Tue Apr 23 02:53:53 2019
New Revision: 346588
URL: https://svnweb.freebsd.org/changeset/base/346588
Log:
powerpc64: Rewrite strcmp in asm to take advantage of word size
Summary:
Optimize strcmp for powerpc64.
Data is loaded by double words and cmpb intruction is u
On Tue, Apr 23, 2019 at 02:53:53AM +, Justin Hibbits wrote:
> New Revision: 346588
> URL: https://svnweb.freebsd.org/changeset/base/346588
>
> Log:
> powerpc64: Rewrite strcmp in asm to take advantage of word size
> ...
> Some performance gain rates between the current and the optimized
>
[I did not deal with translating register usage correctly.]
> On 2019-Apr-27, at 01:50, Mark Millard wrote:
>
> Justin Hibbits jhibbits at FreeBSD.org wrote on
> Fri Apr 26 16:21:47 UTC 2019 :
>
>> This actually uses 'cmpb' which is only available on PowerISA 2.05+, so
>> I'll need to pull it o
Justin Hibbits jhibbits at FreeBSD.org wrote on
Fri Apr 26 16:21:47 UTC 2019 :
> This actually uses 'cmpb' which is only available on PowerISA 2.05+, so
> I'll need to pull it out for now, and re-enable it once we have
> ifuncs. As it stands, this commit broke the G5 and POWER4/POWER5.
As I unde
On Tue, 23 Apr 2019 10:24:42 +
Alexey Dokuchaev wrote:
> On Tue, Apr 23, 2019 at 02:53:53AM +, Justin Hibbits wrote:
> > New Revision: 346588
> > URL: https://svnweb.freebsd.org/changeset/base/346588
> >
> > Log:
> > powerpc64: Rewrite strcmp in asm to take advantage of word size
> > .
On Tue, Apr 23, 2019 at 02:53:53AM +, Justin Hibbits wrote:
> New Revision: 346588
> URL: https://svnweb.freebsd.org/changeset/base/346588
>
> Log:
> powerpc64: Rewrite strcmp in asm to take advantage of word size
> ...
> Some performance gain rates between the current and the optimized
>
Author: jhibbits
Date: Tue Apr 23 02:53:53 2019
New Revision: 346588
URL: https://svnweb.freebsd.org/changeset/base/346588
Log:
powerpc64: Rewrite strcmp in asm to take advantage of word size
Summary:
Optimize strcmp for powerpc64.
Data is loaded by double words and cmpb intruction is u
