Hmm, looking at the current draft at https://www.dropbox.com/s/jsavdj0zve3i7v0/openrisc-arch-1.0-draft.pdf
Are we accepting my proposal to change the l.mac instructions so they no longer truncate the product? If we do that the multiplier part of the mac cannot overflow, only the adder. -Pete On Thu, Nov 29, 2012 at 4:08 PM, Peter Gavin <[email protected]> wrote: > On Thu, Nov 29, 2012 at 3:37 PM, Julius Baxter <[email protected]>wrote: > >> >> Fair call. Check it out: >> >> >> http://opencores.org/or1k/Architecture_Specification#Control_of_Carry_and_Overflow_Flags_and_Exceptions > > > Perfect :) > > >> If people are happy with this I'll roll another arch spec draft, which >> should be close to, if not, the final 1.0 version. >> > > Looks great, I'm happy with all of it :) > > -Pete >
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