[Bug middle-end/36770] PowerPC missed autoincrement opportunity

bonzini at gnu dot org gcc-bugzilla@gcc.gnu.org
Fri Jul 11 11:56:00 GMT 2008



------- Comment #3 from bonzini at gnu dot org  2008-07-11 11:56 -------
Yes, the code produced shows that something (probably fwprop, I trust Andrew
though I'd like to see dumps) is turning the GIMPLE code

  temp = a[0];
  a[1] = temp;
  temp++;

into something harder to optimize.  It might be also a pass-ordering problem.


-- 

bonzini at gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
            Summary|PowerPC generated PTR code  |PowerPC missed autoincrement
                   |inefficiency                |opportunity


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36770



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