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* [Bug middle-end/45720]  New: [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K
@ 2010-09-18 15:56 hjl dot tools at gmail dot com
  2010-09-18 16:29 ` [Bug middle-end/45720] " hjl dot tools at gmail dot com
  2010-09-18 18:46 ` rguenth at gcc dot gnu dot org
  0 siblings, 2 replies; 3+ messages in thread
From: hjl dot tools at gmail dot com @ 2010-09-18 15:56 UTC (permalink / raw)
  To: gcc-bugs

Revision 164367:

http://gcc.gnu.org/ml/gcc-cvs/2010-09/msg00661.html

miscompiled SPEC CPU 2K at -O3.

On Linux/x86-64, I got

  Running 186.crafty ref peak lnx32e-gcc default
*** Miscompare of crafty.out, see
/export/gnu/import/svn/gcc-test/spec/2000/x86_
64/spec/benchspec/CINT2000/186.crafty/run/00000004/crafty.out.mis
...
  Running 200.sixtrack ref peak lnx32e-gcc default
*** Miscompare of inp.out, see
/export/gnu/import/svn/gcc-test/spec/2000/x86_64/
spec/benchspec/CFP2000/200.sixtrack/run/00000004/inp.out.mis

with -O3 -funroll-loops -ffast-math.

On Linux/ia32, I got

  Running 254.gap ref peak lnx32-gcc default
*** Miscompare of ref.out, see
/export/gnu/import/svn/gcc-test/spec/2000/i686/sp
ec/benchspec/CINT2000/254.gap/run/00000004/ref.out.mis

with -O3 -funroll-loops -msse2 -mfpmath=sse -ffast-math.


-- 
           Summary: [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl dot tools at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720


^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K
  2010-09-18 15:56 [Bug middle-end/45720] New: [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K hjl dot tools at gmail dot com
@ 2010-09-18 16:29 ` hjl dot tools at gmail dot com
  2010-09-18 18:46 ` rguenth at gcc dot gnu dot org
  1 sibling, 0 replies; 3+ messages in thread
From: hjl dot tools at gmail dot com @ 2010-09-18 16:29 UTC (permalink / raw)
  To: gcc-bugs



-- 

hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.6.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720


^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug middle-end/45720] [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K
  2010-09-18 15:56 [Bug middle-end/45720] New: [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K hjl dot tools at gmail dot com
  2010-09-18 16:29 ` [Bug middle-end/45720] " hjl dot tools at gmail dot com
@ 2010-09-18 18:46 ` rguenth at gcc dot gnu dot org
  1 sibling, 0 replies; 3+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-09-18 18:46 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #1 from rguenth at gcc dot gnu dot org  2010-09-18 18:45 -------
I also see 450.soplex and 481.wrf fail.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45720


^ permalink raw reply	[flat|nested] 3+ messages in thread

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2010-09-18 15:56 [Bug middle-end/45720] New: [4.6 regression] Revision 164367 miscompiled SPEC CPU 2K hjl dot tools at gmail dot com
2010-09-18 16:29 ` [Bug middle-end/45720] " hjl dot tools at gmail dot com
2010-09-18 18:46 ` rguenth at gcc dot gnu dot org

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