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Date: Wed, 22 Sep 2004 03:52:00 -0000
From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Message-ID: <20040922035202.17598.pinskia@gcc.gnu.org>
Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug tree-optimization/17598] New: an extra addition when comparing address of &a->b and &c->b.
X-Bugzilla-Reason: CC
X-SW-Source: 2004-09/txt/msg02486.txt.bz2
List-Id: <gcc-bugs.sourceware.org>

Function g and g1 should produce the same code, this is not a regression, I noticed this when looking 
into PR 8361.
struct f
{
  int i;
  int j;
};
int g(struct f *x, struct f *y)
{
  return &x->j == &y->j;
}
int g1(struct f *x, struct f *y)
{
  return x == y;
}

-- 
           Summary: an extra addition when comparing address of &a->b and
                    &c->b.
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: enhancement
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pinskia at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17598