[Bug target/11689] g++3.3 emmits un-assembleable code for k6 architecture

Sun Jul 27 22:07:00 GMT 2003

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11689

pinskia at physics dot uc dot edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|c++                         |target
     Ever Confirmed|                            |1
           Keywords|                            |wrong-code
   Last reconfirmed|0000-00-00 00:00:00         |2003-07-27 22:07:40
               date|                            |

------- Additional Comments From pinskia at physics dot uc dot edu  2003-07-27 22:07 -------
I can confirm this on 3.3.1 (20030707).  On the mainline, the unroller is useless for the "doloop" 
optimization so it is not reproducable there.
In 3.2.3 or 3.0.4 or 2.95.3, the "doloop" optimization does not happen for some reason.

The workaround for 3.3 is to use -fno-branch-count-reg.