Difference between revisions of "Instruction Set/rootu"
From Mill Computing Wiki
m (Protected "Instruction Set/rootu": generated ([Edit=<protect-level-bot>] (indefinite) [Move=<protect-level-bot>] (indefinite))) | |||
| Line 4: | Line 4: | ||
</div> | </div> | ||
| − | square root | + | Unsigned integer square root. Helper operation for software square root implementation. |
| + | |||
| + | This operation creates a seed value for Newton-Rapheson, or other, iterative methods. | ||
| + | |||
---- | ---- | ||
<code style="font-size:130%"><b style="color:#050">rootu</b>(<span style="color:#009">[[Domains#u|u]]</span> <span title="belt operand from ops window">x</span>) → [[Domains#u|u]] r<sub>0</sub></code> | <code style="font-size:130%"><b style="color:#050">rootu</b>(<span style="color:#009">[[Domains#u|u]]</span> <span title="belt operand from ops window">x</span>) → [[Domains#u|u]] r<sub>0</sub></code> | ||
Revision as of 10:48, 19 January 2015
realizing exu stream exu block compute phase operation in the unsigned integer value domain that produces condition codes
native on: all
Unsigned integer square root. Helper operation for software square root implementation.
This operation creates a seed value for Newton-Rapheson, or other, iterative methods.
operands: like Identity [xx:x]
| Core | In Slots | Latencies |
|---|---|---|
| Tin | E0 | b:b=1 bv:bv=1 h:h=1 hv:hv=1 w:w=1 wv:wv=1 d:d=2 dv:dv=2 q:q=2 qv:qv=2 |
| Copper | E0 E1 | b:b=1 bv:bv=1 h:h=1 hv:hv=1 w:w=1 wv:wv=1 d:d=2 dv:dv=2 q:q=2 qv:qv=2 |
| Silver | E0 E1 E2 E3 | b:b=1 bv:bv=1 h:h=1 hv:hv=1 w:w=1 wv:wv=1 d:d=2 dv:dv=2 q:q=2 qv:qv=2 |
| Gold | E0 E1 E2 E3 E4 E5 E6 E7 | b:b=1 bv:bv=1 h:h=1 hv:hv=1 w:w=1 wv:wv=1 d:d=2 dv:dv=2 q:q=2 qv:qv=2 |
| Decimal8 | E0 E1 E2 E3 | b:b=1 bv:bv=1 h:h=1 hv:hv=1 w:w=1 wv:wv=1 d:d=2 dv:dv=2 q:q=2 qv:qv=2 |
| Decimal16 | E0 E1 E2 E3 | b:b=1 bv:bv=1 h:h=1 hv:hv=1 w:w=1 wv:wv=1 d:d=2 dv:dv=2 q:q=2 qv:qv=2 |
Instruction Set, alphabetical, Instruction Set by Category, Instruction Set, sortable, filterable
