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[Bug optimization/13031] [3.3 regression] ICE (unrecognizable insn) when building gnome-libs-1.4.2
- From: "ebotcazou at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Dec 2003 20:14:51 -0000
- Subject: [Bug optimization/13031] [3.3 regression] ICE (unrecognizable insn) when building gnome-libs-1.4.2
- References: <20031113001114.13031.agriffis@gentoo.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From ebotcazou at gcc dot gnu dot org 2003-12-07 20:14 -------
Andrew, it's really a GCSE deficiency: the BB in which (reg 72) is compared is
dominated by the BB in which it is set to 0, so GCSE should be able to propagate
the constant and turn the conditional jump into an unconditional one.
What is the patch you're talking about?
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |pinskia at gcc dot gnu dot
| |org
Summary|[3.3.2 regression] ICE |[3.3 regression] ICE
|(unrecognizable insn) when |(unrecognizable insn) when
|building gnome-libs-1.4.2 |building gnome-libs-1.4.2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13031