Speed Impact experiment on GCJ

Wed Feb 15 19:11:00 GMT 2006

>> > 
> > >>>>> "Andrew" == Andrew Haley <aph@redhat.com> writes:
> > 
> > Andrew> For what it's worth, I was quite suprised that gcj didn't spot the
> > Andrew> same opportunity. Maybe this is part of the value range propagation
> > Andrew> optimizations that aren't yet in core gcc.
> > 
> > Yeah, I'm surprised too.
> > Maybe file it in bugzilla for later testing?
>> Huh? It does produce good code on the mainline
One more data point, ppc-darwin mainline:
__ZN4Impl4pingEJiii:
LFB3:
 mullw. r5,r5,r4
 li r3,0
 ble- cr0,L6
L4:
 mr r3,r5
L6:
 blr
Thanks,
Andrew Pinski