Mail Archives: djgpp/1999/02/02/12:52:39
On Mon, 1 Feb 1999, John S. Fine wrote:
> I don't think "all other registers" carries any useful information.
I think it does tell what people need to know; see DJ's message which
actually enumerates all the registers.
> What's a "register"?
Those who write assembly code surely need to know that.
> On FS and GS, I still hate doubting Eli, but can someone
> make a stronger case one way or the other, rather than
> leave us with "the FAQ seems to say preserve them and the
> FAQ is probably correct".
I think both of these should be preserved. It is true that FS is not
used neither by GCC nor by libc.a functions, but some other code,
either in third-party libraries or in inline assembly in the
application code, could use it. Better be safe than sorry.
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