On Thu, Dec 26, 2013 at 6:46 PM, cherry <[email protected]> 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
