------- Comment #2 from gunnar at greyhound-data dot com 2008-05-28 16:23
-------
(In reply to comment #1)
> It would have been nice to check at least gcc 4.3 (or better current trunk).
>
I have verified this for you with the most current GCC source.
Verified with gcc version 4.4.0 20080523 (experimental) (GCC)
The problem that GCC uses bad addressing modes is still persistent.
Code generated by GCC 4.4
copy_32x4:
link.w %fp,#-12
movem.l #3076,(%sp)
move.l 16(%fp),%d2
lsr.l #4,%d2
move.l 8(%fp),%a3
move.l 12(%fp),%a2
jra .L6
.L7:
move.l (%a2),%a1
subq.l #1,%d2
move.l 4(%a2),%d0
move.l 8(%a2),%d1
move.l 12(%a2),%a0
add.l #16,%a2
move.l %a1,(%a3)
move.l %d0,4(%a3)
move.l %d1,8(%a3)
move.l %a0,12(%a3)
add.l #16,%a3
.L6:
tst.l %d2
jne .L7
movem.l (%sp),#3076
unlk %fp
rts
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36135
