[patches] Re: infinite loop in SPEC's gcc after your patches
law@redhat.com
law@redhat.com
Tue Jul 24 13:59:00 GMT 2001
In message < 20010724133349.E18664@redhat.com >you write:
> On Tue, Jul 24, 2001 at 10:31:33PM +0200, Jan Hubicka wrote:
> > rebuild_jump_labels (insns);
> > + find_basic_blocks (insns, max_reg_num (), rtl_dump_file);
>
> This isn't good enough, unfortunately -- it was the first
> thing I tried. GCSE (or someone) has simplified a branch
> to (set (pc) (pc)), which causes find_basic_blocks to abort.
It's gcse that does this.
If I recall properly, an incremental update was quite painful to do
when I wrote that code. It may be easier to do an incremental update
with our current infrastructure.
jeff
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