regtest: which fr to take care of?
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Quoted 12 lines
Is those comments in our
entry.S:
...
/* Floating point registers (FIXME: what do we do with these?)%fr0 - %fr3 status/exception, not preserved
%fr4 - %fr7 arguments
%fr8 - %fr11 not preserved by C code
%fr12 - %fr21 preserved by C code
%fr22 - %fr31 not preserved by C code
*/
...
Quoted 1 line
Are still uptodate?
Yes, these are from the HP-UX ABI.
Quoted 1 line
what 'preserved by C code' would mean?
The register remains unchanged across a call. Call used registers don't have to be preserved.
Dave
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J. David Anglin [email protected] National Research Council of Canada (613) 990-0752 (FAX: 952-6602) _______________________________________________ parisc-linux mailing list [email protected] http://lists.parisc-linux.org/mailman/listinfo/parisc-linux