thread-ready ABIs

Andreas Schwab schwab@suse.de
Fri Jan 18 03:16:00 GMT 2002


Ulrich Drepper <drepper@redhat.com> writes:

|> m68k: Well, maybe it's time to retire these machines.  But on the
|> other hand, there are those useless address registers.  Andreas, Jes?

None of the address registers are useless, they are all needed.  Reserving
one of them as a thread register means an ABI change, since currently all
(address or data) registers are either scratch or callee-saved.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE GmbH, Deutschherrnstr. 15-19, D-90429 Nürnberg
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."



More information about the Libc-hacker mailing list