------- Additional Comments From pinskia at gcc dot gnu dot org 2005-01-23
01:17 -------
(In reply to comment #6)
> (In reply to comment #4)
> > This can be fixed at the tree level without any gcse or ra hacking:
> > http://gcc.gnu.org/ml/gcc-patches/2005-01/msg01462.html
>
> GCC generates poor code for this function even with that patch applied:
This looks like a different bug because with 3.3.3 we get the good code but not
with 3.4.0.
Good code meaning:
.L5:
addl %edi, %ebp
addl %ebp, %esi
addl %esi, %ecx
addl %ecx, %edx
addl %edx, %eax
addl %eax, %edi
decl %ebx
jne .L5
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19464
