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From: "steven at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands
Date: Wed, 19 Dec 2012 10:07:00 -0000 [thread overview]
Message-ID: <bug-20097-4-DvGqNj5yfc@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-20097-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot |steven at gcc dot gnu.org
|gnu.org |
--- Comment #6 from Steven Bosscher <steven at gcc dot gnu.org> 2012-12-19 10:07:08 UTC ---
(In reply to comment #3)
> This looks like a reload (or a target reload) issue:
> We have the following RTL:
> (insn 4097 4096 4098 236 (set (reg:BI 2598)
> (and:BI (ne:BI (reg/v:SI 477 [ bNotLastFrame ])
> (const_int 0 [0x0]))
> (subreg:BI (reg:SI 2934) 0))) 66 {*cmpsi_and_0} (nil)
> (nil))
>
> Note the subreg here.
Right, that makes no sense, and neither does...
> (insn 5995 5994 5996 236 (set (reg:SI 262 p6)
> (reg:SI 2 r2)) 4 {*movsi_internal} (nil) (nil))
this. Will look into this if I have some time.
next parent reply other threads:[~2012-12-19 10:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-20097-4@http.gcc.gnu.org/bugzilla/>
2012-12-19 10:07 ` steven at gcc dot gnu.org [this message]
2012-12-19 10:08 ` steven at gcc dot gnu.org
2005-02-20 6:50 [Bug rtl-optimization/20097] New: " schwab at suse dot de
2005-02-20 7:37 ` [Bug rtl-optimization/20097] " schwab at suse dot de
2005-02-20 7:42 ` schwab at suse dot de
2005-02-20 10:48 ` pinskia at gcc dot gnu dot org
2005-02-20 11:09 ` pinskia at gcc dot gnu dot org
2005-02-20 11:13 ` pinskia at gcc dot gnu dot org
2005-02-23 21:27 ` cvs-commit at gcc dot gnu dot org
2005-02-23 23:08 ` pinskia at gcc dot gnu dot org
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