On Aug 20, 2012, at 1:17 PM, Wojciech Puchar wrote: >>> or use ++. >>> >>> i think it is always aligned to 2 bytes and this should produce usable code >>> on any CPU? should be 6 instructions on MIPS and PPC IMHO. >> >> We should tag it as __aligned(2) then, no? If so, then the compiler should >> generate the code you posted. > should is the most important word in Your post. what it actually do - i don't > know.
If we are requiring this to be __aligned(2), we should tag it as such to enforce this. Even without this tagging, the code to do a structure level copy of 6 bytes is going to be tiny... Warner _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
