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Re: [patch] libc/machine/m68k: Incorporate memcpy and memset.
On Tue, May 01, 2007 at 11:02:59AM -0700, Aaron J. Grier wrote:
> as already pointed out by Eric, dbxx is limited in range. it is my
> understanding that dbxx does a compare to -1 against the lower 16bits of
> the count register, which would effectively limit the count to 32767.
for clarification, the comparison to -1 is made after the decrement is
performed, so a loop-mode copy can be done up to a full 64k. (helps to
read some code...)
--
Aaron J. Grier | Frye Electronics, Tigard, OR | aaron@frye.com