On Sat, 14 May 2011, John David Anglin wrote:
> > OK, thanks. Note that another delay slot bug was fixed around the same
> > time:
> >
> > 2010-09-20 Eric Botcazou
> >
> > PR rtl-optimization/42775
> > * cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot
> > schedul
> OK, thanks. Note that another delay slot bug was fixed around the same time:
>
> 2010-09-20 Eric Botcazou
>
> PR rtl-optimization/42775
> * cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot
> scheduling is enabled.
>
> This one was installed on the 4.6/4.5/4
> Investigation showed that this bug was a delay slot scheduling problem
> and that the issue was fixed by Eric last September. The fix was back
> ported to the 4.5 branch but not to previous branches. The identical
> fix applies to the 4.4 and 4.3 branches.
>
> Ok to backport?
OK, thanks. Note
Trunk fails to build using gcc-4.3 and gcc-4.4 when -O1 is specified
in STAGE1_CFLAGS on hppa2.0w-hp-hpux11.11. I have had anecdotal reports
of similar delay slot problems in glibc and the Linux kernel.
Investigation showed that this bug was a delay slot scheduling problem
and that the issue was
