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[PATCH] untested i586 support



About a month ago, I reported success getting the nptl-0.4 tests to
run on i586. Today, I noticed Loic Jauqemet wanted i586 support
too. Therefor, I finally took the time to clean up my patch somewhat
and port it to nptl-0.6.

The only things I changed, is that 'cmovne a,b' is replaced with 'je
label movl a,b label:' for i486 (and therefor i586) and that cmpxchg8b
is removed from i486, and added to i586 and i686. I do believe the
enormous code dupplication could have been avoided if I knew more
about how the machine-specific files are selected. Also, one of the
labels I added (the one in lowlevelrwlock), is named
'why_do_we_jump'. Perhaps someone with more ASM experience could come
up with a logical name.

I didn't compile the code. The reason is, that I didn't find the time
(a new kernel takes about 1:30 hour and glibc 8 hours) this
weekend. However, I plan to build the code during the week.

Bye,
        Marijn

===File ~/nptl-software/glibc-2.3-CVS/libc/nptl-0.6-i586.diff.gz===
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