On Thu, Feb 18, 2016 at 05:53:46PM +0100, Clément Bœsch wrote:
> On Thu, Feb 18, 2016 at 12:42:59PM +0100, Michael Niedermayer wrote:
> > On Thu, Feb 18, 2016 at 11:36:18AM +0100, Clément Bœsch wrote:
> > > Hi,
> > >
> > > While working on PNG DSP, I realized the filter up was doing extra
> > > ov
On Thu, Feb 18, 2016 at 12:42:59PM +0100, Michael Niedermayer wrote:
> On Thu, Feb 18, 2016 at 11:36:18AM +0100, Clément Bœsch wrote:
> > Hi,
> >
> > While working on PNG DSP, I realized the filter up was doing extra
> > overflow checks on the bytes non multiple of the long word size. This
> > log
On Thu, Feb 18, 2016 at 11:36:18AM +0100, Clément Bœsch wrote:
> Hi,
>
> While working on PNG DSP, I realized the filter up was doing extra
> overflow checks on the bytes non multiple of the long word size. This
> logic is present in both C and x86 ASM. Here is the current C code for
> reference:
Hi,
While working on PNG DSP, I realized the filter up was doing extra
overflow checks on the bytes non multiple of the long word size. This
logic is present in both C and x86 ASM. Here is the current C code for
reference:
-- 8<
// 0x7f7f7f7f or 0x7f7f7f7f7f7f7f7f or