On Sun, Nov 27, 2016 at 10:02:35PM +0100, Tobias Geerinckx-Rice wrote:
> Leo,
> 
> On 27/11/16 21:56, Leo Famulari wrote:
> > Will this work on nachines that don't support SSE? My understanding is
> > that we don't wish to require it.
> 
> Why wouldn't it?
> 
> I don't often use Icecat, but when I do... I don't see why it would
> require SSE by default. ;-) And it's not like we ever patched it to use
> IJG's libjpeg to begin with.

I'm not sure, but the comment seems to indicate that we don't want to
use it:

;; According to
;; http://sourceforge.net/projects/libjpeg-turbo/ ,
;; "libjpeg-turbo is a derivative of libjpeg that
;; uses MMX, SSE, SSE2, and NEON SIMD instructions
;; to accelerate baseline JPEG compression/
;; decompression", so we had better not use it

But I'm not sure how to interpret that, so I've copied Andreas on my
reply (he wrote that comment).