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From: "gjl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug other/52664] New: [4.8 Regression]: gcc.dg/tree-ssa/pr31261.c fails
Date: Thu, 22 Mar 2012 11:37:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52664

             Bug #: 52664
           Summary: [4.8 Regression]: gcc.dg/tree-ssa/pr31261.c fails
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: normal
          Priority: P3
         Component: other
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: gjl@gcc.gnu.org
            Target: avr


This is a new fail in the avr tests:

new (trunk 185603):

FAIL: gcc.dg/tree-ssa/pr31261.c scan-tree-dump-times original "return \(int\)
\(12 - \(unsigned int\) d\) & 7;" 1

old (185059):

PASS: gcc.dg/tree-ssa/pr31261.c scan-tree-dump-times original "return \(int\)
\(12 - \(unsigned int\) d\) & 7;" 1


GCC from SVN trunk 185603

It was created by configure, which was
generated by GNU Autoconf 2.64.  Invocation command line was

  $ ../../gcc.gnu.org/trunk/configure --target=avr
--prefix=/local/gnu/install/gcc-4.7 --disable-nls --with-dwarf2
--enable-checking=yes,rtl --enable-languages=c,c++