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* [Bug target/39715]  New: [cond-optab] extra sign extensions on Thumb
@ 2009-04-10 12:44 bonzini at gnu dot org
  2009-05-12 12:05 ` [Bug target/39715] [4.5 Regression][cond-optab] " bonzini at gnu dot org
                   ` (10 more replies)
  0 siblings, 11 replies; 12+ messages in thread
From: bonzini at gnu dot org @ 2009-04-10 12:44 UTC (permalink / raw)
  To: gcc-bugs

/* -O1 -mthumb -march=armv5t  */

struct foo
{
  unsigned b31 : 1;
  unsigned b30 : 1;
  unsigned b29 : 1;
  unsigned b28 : 1;
  unsigned rest : 28;
};
foo(a)
     struct foo a;
{
  return a.b30;
}

should have only one lsl and lsr


-- 
           Summary: [cond-optab] extra sign extensions on Thumb
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bonzini at gnu dot org
OtherBugsDependingO 39714
             nThis:


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39715


^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2009-10-29 16:52 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2009-04-10 12:44 [Bug target/39715] New: [cond-optab] extra sign extensions on Thumb bonzini at gnu dot org
2009-05-12 12:05 ` [Bug target/39715] [4.5 Regression][cond-optab] " bonzini at gnu dot org
2009-05-21 10:36 ` rguenth at gcc dot gnu dot org
2009-05-21 10:49 ` rearnsha at gcc dot gnu dot org
2009-07-14 10:51 ` bonzini at gnu dot org
2009-07-14 12:56 ` bonzini at gnu dot org
2009-07-14 22:42 ` bonzini at gnu dot org
2009-10-28 10:27 ` bonzini at gcc dot gnu dot org
2009-10-28 10:44 ` bonzini at gnu dot org
2009-10-28 16:44 ` bonzini at gcc dot gnu dot org
2009-10-28 16:47 ` bonzini at gnu dot org
2009-10-29 16:52 ` law at gcc dot gnu dot org

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