On Tue, Aug 12, 2014 at 7:23 AM, Gopalasubramanian, Ganesh
wrote:
>> > +2014-06-10 Ganesh Gopalasubramanian
>> > +
>> > +
>> > + * config/i386/i386.c (ix86_expand_sse2_mulvxdi3): Issue
>> > +instructions "vpmuludq" and "vpaddq" instead of "vpmacsdql" for
>> > +handling 32-bit multiplicatio
Hi Uros!
> > +2014-06-10 Ganesh Gopalasubramanian
> > +
> > +
> > + * config/i386/i386.c (ix86_expand_sse2_mulvxdi3): Issue
> > +instructions "vpmuludq" and "vpaddq" instead of "vpmacsdql" for
> > +handling 32-bit multiplication.
> >
> OK for mainline and release branches.
I would like
On Tue, Jun 10, 2014 at 12:30 PM, Gopalasubramanian, Ganesh
wrote:
> Hi,
>
> The below patch fixes the issue with 64-bit multiplication.
> The instruction "vpmacsdql" does signed 32-bit multiplication.
> For V2DImode, we require widened unsigned multiplication.
> So, replacing the "vpmacsdql" inst
Hi,
The below patch fixes the issue with 64-bit multiplication.
The instruction "vpmacsdql" does signed 32-bit multiplication.
For V2DImode, we require widened unsigned multiplication.
So, replacing the "vpmacsdql" instruction with "vpmuludq" and "vpaddq".
This patch had been already discussed in
