Re: C6X port 5/11: Track predication conditions more accurately

[Andrey Belevantsev <abel at ispras dot ru>]

On 31.05.2011 23:59, Andrey Belevantsev wrote:
> On 31.05.2011 22:24, Steve Ellcey wrote:
> > Bernd,
> >
> > This patch (r174336) is causing me many testsuite failures on IA64.
> > Tests like gcc.c-torture/compile/20010408-1.c are dying with a
> > seg fault in vinsn_detach.
> I will look at it tomorrow. Bernd, Steve, please let us know about any
> issues with sel-sched code so we can help.
I cannot reproduce this with today's trunk with a cross either to 
ia64-linux or ia64-hpux, can you give me a test case with compiler options 
etc.?

Andrey

> Andrey
>
> > #0 0x55b8760:0 in vinsn_detach (vi=0xf)
> > #1 0x55bda30:0 in clear_expr (expr=0x7fffeef0)
> > #2 0x562ea50:0 in schedule_expr_on_boundary (bnd=0x4040cf14,
> > expr_vliw=0x4040c4ac, seqno=-1)
> > #3 0x562fab0:0 in fill_insns (fence=0x4040bdec, seqno=-1,
> > scheduled_insns_tailpp=0x7fffeff0)
> > #4 0x563d3b0:0 in schedule_on_fences (fences=0x4040bde8, max_seqno=1,
> > scheduled_insns_tailpp=0x7fffeff0)
> > #5 0x563eb70:0 in sel_sched_region_2 (orig_max_seqno=22)
> > #6 0x563f1b0:0 in sel_sched_region_1 ()
> > #7 0x56403f0:0 in sel_sched_region (rgn=9)
> > #8 0x5640980:0 in run_selective_scheduling ()
> > #9 0x613d0f0:0 in ia64_reorg ()
> >
> > I am still trying to get more information but I was wondering if you
> > have already seen this problem or if anyone else has reported it?
> >
> > Steve Ellcey
> > sje@cup.hp.com