mips optimization

[reedkotler@hotmail.com]

i'm using a mips iv chip but the os only supports 
32 bit.
 
i usually then back off to -mips2 and -mcpu=5000 or 
such.
 
i'm trying to generate 32 bit code but allow for 
instructions
like MADD to be used.
 
i've done this before but now can't seem to get the 
compiler
to generate the MADD unless i go to mips 4, but 
then it generates
the 64 bit divide instruction which crashes the 
target.
 
any ideas?
 
has something changed recently in the compiler in 
this respect.
 
tia.
 
reed
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