[Bug target/19945] Inefficient store of constant into a global register

giovannibajo at libero dot it gcc-bugzilla@gcc.gnu.org
Mon Feb 14 13:36:00 GMT 2005


------- Additional Comments From giovannibajo at libero dot it  2005-02-14 00:36 -------
Seems deliberate, -march=i486 fixes it, so it is not a regression (my 3.4 was 
configured to default to -march=i486). I don't see how wasting a register can 
make the code faster on i686 though.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|3.4.0 4.0.0 3.0.4 3.2.3     |
            Summary|inefficient store of        |Inefficient store of
                   |constant into a global      |constant into a global
                   |register                    |register
   Target Milestone|---                         |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19945



More information about the Gcc-bugs mailing list