[Bug middle-end/19597] [4.0 Regression] avr-gcc 4.0, multiplication by constant, very long code

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-01-23 23:01 -------
The problem is that middle-end expands it to shifts and such but really it might be that rtx_cost for avr 
does not take into account size at all.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |minor
          Component|rtl-optimization            |middle-end
           Keywords|                            |missed-optimization
           Priority|P2                          |P3
            Summary|avr-gcc 4.0, multiplication |[4.0 Regression] avr-gcc
                   |by constant, very long code |4.0, multiplication by
                   |                            |constant, very long code


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19597