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From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/30564] ice for legal code with -O3
Date: Tue, 23 Jan 2007 21:55:00 -0000 [thread overview]
Message-ID: <20070123215531.21724.qmail@sourceware.org> (raw)
In-Reply-To: <bug-30564-9596@http.gcc.gnu.org/bugzilla/>
------- Comment #3 from rguenth at gcc dot gnu dot org 2007-01-23 21:55 -------
Honza, we're not folding the comparison on inlining and later ICE in tree-vrp
because of this (from the einline dump):
# fp1_5 = PHI <fp1_7(5), fp1_4(8), fp1_4(9)>
<L7>:;
i_30 = fp0_6;
goto <bb 14> (<L10>);
<L18>:;
D.1689_35 = unicount[i_3];
D.1690_36 = D.1689_35 == 0;
D.1691_37 = i_3 != i_3;
D.1692_38 = D.1690_36 && D.1691_37;
if (D.1692_38) goto <L15>; else goto <L17>;
<L15>:;
RawOrEnc = 1;
look at the i_3 != i_3
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hubicka at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Component|tree-optimization |c
Ever Confirmed|0 |1
Keywords|ice-on-valid-code |
Last reconfirmed|0000-00-00 00:00:00 |2007-01-23 21:55:31
date| |
Summary|[4.3 Regression] ice for |ice for legal code with -O3
|legal code with -O3 |
Target Milestone|4.3.0 |---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30564
next prev parent reply other threads:[~2007-01-23 21:55 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-23 20:58 [Bug c/30564] New: " dcb314 at hotmail dot com
2007-01-23 21:00 ` [Bug c/30564] " dcb314 at hotmail dot com
2007-01-23 21:29 ` rguenth at gcc dot gnu dot org
2007-01-23 21:37 ` [Bug tree-optimization/30564] [4.3 Regression] " pinskia at gcc dot gnu dot org
2007-01-23 21:55 ` rguenth at gcc dot gnu dot org [this message]
2007-01-23 21:56 ` [Bug c/30564] " rguenth at gcc dot gnu dot org
2007-01-23 21:57 ` [Bug tree-optimization/30564] [4.3 Regression] " pinskia at gcc dot gnu dot org
2007-01-24 7:21 ` pinskia at gcc dot gnu dot org
2007-01-24 7:24 ` pinskia at gcc dot gnu dot org
2007-01-27 21:42 ` pinskia at gcc dot gnu dot org
2007-01-27 22:30 ` pinskia at gcc dot gnu dot org
2007-01-27 23:31 ` pinskia at gcc dot gnu dot org
2007-01-28 7:58 ` pinskia at gcc dot gnu dot org
2007-01-28 19:10 ` pinskia at gcc dot gnu dot org
2007-01-28 22:57 ` pinskia at gcc dot gnu dot org
2007-05-22 22:11 ` pinskia at gcc dot gnu dot org
2007-06-29 17:50 ` mmitchel at gcc dot gnu dot org
2007-08-19 19:07 ` pinskia at gcc dot gnu dot org
2007-08-19 19:19 ` pinskia at gcc dot gnu dot org
2007-08-20 7:43 ` pinskia at gcc dot gnu dot org
2007-08-20 7:43 ` pinskia at gcc dot gnu dot org
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