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Date: Wed, 27 Jul 2005 15:53:00 -0000
From: "belyshev at depni dot sinp dot msu dot ru" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Message-ID: <20050727155151.23094.belyshev@depni.sinp.msu.ru>
Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug tree-optimization/23094] New: store ccp misses an optimization
X-Bugzilla-Reason: CC
X-SW-Source: 2005-07/txt/msg03552.txt.bz2
List-Id: <gcc-bugs.sourceware.org>

// This function can be optimized to just *p = *q = 1; at tree level:

void foo (int *p, int *q)
{
  *p = 1;
  *q = 1;
  if (*p != 1)
    link_error ();
}

-- 
           Summary: store ccp misses an optimization
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: enhancement
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: belyshev at depni dot sinp dot msu dot ru
                CC: dnovillo at gcc dot gnu dot org,gcc-bugs at gcc dot gnu
                    dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23094