| --- Log opened Mon Dec 09 00:00:00 2013 | ||
| jonibo | good day! | 09:19 |
|---|---|---|
| jonibo | for or1k, l.mul and l.div are class one instruction (i.e. not optional), yet both the toolchain and kernel treat them as though they were somehow optional... why? I think we might have discussed this before, but I can't recall what we said. | 09:19 |
| stekern | jonibo: afaik (and as far as the spec states), l.mul and l.div are class II instructions | 13:52 |
| jonibo | ? strange... my spec says class I... has this changed recently? | 13:53 |
| jonibo | spec dated april 5, 2006... hmmm | 13:53 |
| stekern | hmm, yes, in this: http://opencores.org/websvn,filedetails?repname=openrisc&path=%2Fopenrisc%2Ftrunk%2Fdocs%2Farchive%2Fopenrisc_arch.pdf | 13:56 |
| stekern | l.mul is class I, but l.div is class II | 13:56 |
| stekern | in this: http://opencores.org/websvn,filedetails?repname=openrisc&path=%2Fopenrisc%2Ftrunk%2Fdocs%2Fopenrisc-arch-1.0-rev0.pdf | 13:56 |
| stekern | both are class II | 13:57 |
| jonibo | ok thanks, stekern. | 14:05 |
| stekern | digging some more, it was already changed to class II in the 2011-draft4 document | 14:06 |
| --- Log closed Tue Dec 10 00:00:02 2013 | ||
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