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Date: Thu, 06 May 2004 12:48:00 -0000
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From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug optimization/15310] [tree-ssa] Optimize an addition in a bit field
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------- Additional Comments From pinskia at gcc dot gnu dot org  2004-05-06 12:48 -------
Confirmed.
And this should also be optimizated:
struct {
   unsigned int bit0:1;
   unsigned int ubyte:31;
} sdata;
void foo1()
{
  unsigned int i = sdata.ubyte;
  unsigned int i1 = i+1;
  sdata.ubyte = i1;
}

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2004-05-06 12:48:01
               date|                            |
   Target Milestone|---                         |tree-ssa


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15310