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[Bug rtl-optimization/16968] [3.4 Regression] loop optimizer miscompilation
- From: "giovannibajo at libero dot it" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Aug 2004 10:24:47 -0000
- Subject: [Bug rtl-optimization/16968] [3.4 Regression] loop optimizer miscompilation
- References: <20040810154333.16968.jakub@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From giovannibajo at libero dot it 2004-08-16 10:24 -------
Andrew, can you please confirm this on PPC?
Zdenek, this looks like a miscompilation in the RTL loop optimizer. Can you
please have a look?
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |pinskia at gcc dot gnu dot
| |org, rakdver at atrey dot
| |karlin dot mff dot cuni dot
| |cz
Known to fail| |3.5.0
Known to work| |3.4.0 3.4.1
Summary|[3.4 only] RTX_UNCHANGING_P |[3.4 Regression] loop
|related miscompilation |optimizer miscompilation
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16968