[Libre-soc-isa] [Bug 1057] split out all int/fp min/max ops into their own RFC ls013

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1057

--- Comment #6 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Luke Kenneth Casson Leighton from comment #5)
> hm i think a table for int mmax s/u and down to 1 instruction
> is sensible, it will keep the message clear to keep the decoder
> simple.

Z23-Form.  sm bit 0 min/max sm bit 1 sign/uns

 270 # 1.6.27 Z23-FORM
 271     |0     |6     |11    |15 |16     |21 |23    |31 |

 275     | PO   |  RT  |   RA     |   RB  |sm |   XO |Rc |
 276     | PO   |  RT  |   RA     |   RB  |CY |   XO |Rc |

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