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Re: post-reload register copy-propagation
- From: Richard Henderson <rth at redhat dot com>
- To: Ulrich Weigand <Ulrich dot Weigand at de dot ibm dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Fri, 14 Dec 2001 17:35:37 -0800
- Subject: Re: post-reload register copy-propagation
- References: <OF7A2D4C6F.334E616E-ONC1256B23.0002448F@de.ibm.com>
On Sat, Dec 15, 2001 at 01:49:30AM +0100, Ulrich Weigand wrote:
> && ! bb->pred->pred_next
> && bb->pred->src->index != ENTRY_BLOCK
> && bb->pred->src->index < b)
> all_vd[b] = all_vd[bb->pred->src->index];
> else
> init_value_data (all_vd + b);
>
> If I add a '&& ! (bb->pred->flags & EDGE_COMPLEX)' to the
> condition, this test case works fine ...
Doh!
Make that
&& ! (bb->pred->flags & (EDGE_ABNORMAL_CALL | EDGE_EH))
and patch is pre-approved.
r~