------- Comment #2 from ubizjak at gmail dot com 2009-09-17 09:50 -------
(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.
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34653