On Thu, Dec 26, 2013 at 6:46 PM, cherry <lunaria21@gmail.com> wrote:

> Another issue is 0l/vl seems to output wrong bits for single precision
> floats in little endian mode, due to a similar reason: it used bytes 4-7
> instead of 0-3. This seems to fix it:
>
> % diff /sys/src/cmd/vl/asm.c asm.c
> 672c672,675
> <                     buf.dbuf[l] = cast[fnuxi8[i+4]];
> ---
> >                     if(little)
> >                         buf.dbuf[l] = cast[fnuxi8[i]];
> >                     else
> >                         buf.dbuf[l] = cast[fnuxi8[i+4]];
>
> An alternative fix would be simply use fnuxi4 instead of fnuxi8, so that
> both BE and LE would work (I guess, don't have BE machine to test).
>

Indeed I can test it, simply diff the output of vl before and after. Using,
fnuxi4 does NOT work for BE, as fnuxi4 is only set for LE
(obj.c:1385,1404), probably due to (the same or another) historical reason.

- cherry