------- Comment #3 from dean at arctic dot org  2009-09-17 10:23 -------
(In reply to comment #2)
> (In reply to comment #1)
> 
> > and in this case the "mov %rdx,%rax" could be "mov %edx,%eax" because of the
> > dominating movzbl.
> 
> 32bit moves and other instructions _SIGN_EXTEND_ results to 64bits on x86_64.
> 

every single data type in my example was unsigned.


-- 

dean at arctic dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|INVALID                     |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34653

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