------- Comment #7 from dave at hiauly1 dot hia dot nrc dot ca 2007-11-24
19:27 -------
Subject: Re: [4.2/4.3 Regression] ICE in
reload_cse_simplify_operands, at postreload.c:392
The attached patch seems to fix the problem on the trunk. However,
it doesn't work on 4.2. It makes the problem reported in PR middle-end/32889
worse and I get bootstrap failure in stage2.
I've experimented with reload patterns to handle (mem (plus reg const))
but this doesn't seem to help with 32889. So, I think there's a problem
with the handling of reg_equiv_alt_mem_list in 4.2.
Dave
------- Comment #8 from dave at hiauly1 dot hia dot nrc dot ca 2007-11-24
19:27 -------
Created an attachment (id=14631)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14631&action=view)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34091
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