MIPS gas relaxation still doesn't work

Alexandre Oliva aoliva@redhat.com
Tue Oct 15 17:17:00 GMT 2002


On Oct 15, 2002, "Maciej W. Rozycki" <macro@ds2.pg.gda.pl> wrote:

>  I think at least for the former case gas should be let relax jumps and
> branches freely, so the ".set nomacro" statement should be moved to affect
> instructions in delay slots only, as you suggested.

Except that, with the current implementation of branch relaxation,
when you enable it, each branch will mark the end of a frag, so the
assembler will be effectively unable to fill delay slots anyway, since
it won't bring instructions from the previous frag to the beginning of
the new frag.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                 aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist                Professional serial bug killer



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