Re: multiply accumulator overflow detection

knguyen wrote:

I am writing a function that perform multiplication and accumulation
in MIPS, the results are stored into Hi and Lo registers. The overflow
might occur during the accumulation. How do I detect overflow when the
results are stored in two registers?

I'm not familiar with the MIPS architecture. As far as I remember in the
R2000/R3000 MIPS processors the add instruction generated an exception if
a overflow occurred. But you should find the answer to your question in
the processor manual.
.

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