Re: RISC-V Vector patch

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I did not examine @Drago=C8=99's change more than superficially; I looked
at @mschlaegl's
first because it was the original and seemed to present itself as
semi-official.  I got distracted by other issues (not PNG); it was
definitely on my todo list though all of us know that most of the things on
that list fall off the bottom.

My impression, based on @cosmin's analysis is that both have equal merit.
I do not count libpng delay as a reason for dismissing prior wisdom; as we
all know we only get so far by beating our head against brick walls.

I suggest reaching out to the RISC-V community as a whole; isn't this the
way libpng has always worked?  (Yes, I know the approach has issues.)

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<div dir=3D"ltr"><div>I did not examine=C2=A0<a class=3D"gmail_plusreply" i=
d=3D"plusReplyChip-0">@</a><span style=3D"color:rgb(80,0,80)">Drago=C8=99&#=
39;s change more than superficially; I looked at @</span>mschlaegl&#39;s fi=
rst because it was the original and seemed to present itself as semi-offici=
al.=C2=A0 I got distracted by other issues (not PNG); it was definitely on =
my todo list though all of us know that most of the things on that list fal=
l off the bottom.</div><div><br></div><div>My impression, based on=C2=A0@co=
smin&#39;s analysis is that both have equal merit.=C2=A0 I do not count lib=
png delay as a reason for dismissing prior wisdom; as we all know we only g=
et so far by beating our head against brick walls.</div><div><br></div><div=
>I suggest reaching out to the RISC-V community as a whole; isn&#39;t this =
the way libpng has always worked?=C2=A0 (Yes, I know the approach has issue=
s.)</div></div>

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