Re: thread_info implementation

From: Roman Zippel (zippel@linux-m68k.org)
Date: Mon Feb 11 2002 - 19:22:06 EST

Hi,

David Howells wrote:

> Why are you using bitfield instructions on the m68k arch? why not use just
> simple bit instructions (or and/or/xor where masking)? All the flags are
> single bit width fields.

These are two bytes longer as well, right now I'm doing this:

        tstw %d0
        jeq do_signal_return
        tstb %d0
        jne do_delayed_trace

using btst or andw this would be four bytes longer.

bye, Roman
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This archive was generated by hypermail 2b29 : Fri Feb 15 2002 - 21:00:44 EST