Difference between revisions of "Instruction Set/countrfl"
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{{DISPLAYTITLE:countrfl}} | {{DISPLAYTITLE:countrfl}} | ||
| − | <div style="font-size:80%;line-height:90%;margin-bottom:2em">[[Speculation| | + | <div style="font-size:80%;line-height:90%;margin-bottom:2em">[[Speculation|speculable]] [[Encoding|exu stream]] [[Decode|exu block]] [[Phasing|compute phase]] operation [[Domains|in the logical value domain]] <br /> |
'''native on:''' [[Cores|all]]<br /> | '''native on:''' [[Cores|all]]<br /> | ||
</div> | </div> | ||
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Count the zero bits from the right. | Count the zero bits from the right. | ||
| − | + | <b>related operations:</b> [[Instruction_Set/countlfl|countlfl]], [[Instruction_Set/countltr|countltr]], [[Instruction_Set/countrtr|countrtr]] | |
---- | ---- | ||
<code style="font-size:130%"><b style="color:#050">countrfl</b>(<span style="color:#009">[[Domains#op|op]]</span> <span title="belt operand from ops window">x</span>) → [[Domains#op|op]] r<sub>0</sub></code> | <code style="font-size:130%"><b style="color:#050">countrfl</b>(<span style="color:#009">[[Domains#op|op]]</span> <span title="belt operand from ops window">x</span>) → [[Domains#op|op]] r<sub>0</sub></code> | ||
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<br /> | <br /> | ||
| + | '''encoding:''' | ||
| + | <code style="font-size:100%"><b style="color:#050">countrfl</b>(<span style="color:#009">[[Domains#op|op]]</span> <span title="belt operand from ops window">x</span>)</code> | ||
| + | <br /> | ||
{| class="mw-collapsible mw-collapsed wikitable" data-expandtext="▸" data-collapsetext="▾" | {| class="mw-collapsible mw-collapsed wikitable" data-expandtext="▸" data-collapsetext="▾" | ||
! [[Cores|Core]] || [[Slot|In Slots]]|| [[Latency|Latencies]] | ! [[Cores|Core]] || [[Slot|In Slots]]|| [[Latency|Latencies]] | ||
|- | |- | ||
| − | | [[Cores/Tin/Encoding# | + | | [[Cores/Tin/Encoding#countrfl|Tin]] || E0 || 1 |
|- | |- | ||
| − | | [[Cores/Copper/Encoding# | + | | [[Cores/Copper/Encoding#countrfl|Copper]] || E0 || 1 |
|- | |- | ||
| − | | [[Cores/Silver/Encoding# | + | | [[Cores/Silver/Encoding#countrfl|Silver]] || E0 || 1 |
|- | |- | ||
| − | | [[Cores/Gold/Encoding# | + | | [[Cores/Gold/Encoding#countrfl|Gold]] || E0 || 1 |
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
|} | |} | ||
| + | |||
| + | |||
| + | [[Instruction_Set|Instruction Set, alphabetical]], [[Instruction Set by Category]], [http://millcomputing.com/instructions.html?collapse=7#ops Instruction Set, sortable, filterable] | ||
Latest revision as of 14:07, 23 February 2021
Count the zero bits from the right.
related operations: countlfl, countltr, countrtr
operands: like Identity [xx:x]
encoding:
countrfl(op x)
| Core | In Slots | Latencies |
|---|---|---|
| Tin | E0 | 1 |
| Copper | E0 | 1 |
| Silver | E0 | 1 |
| Gold | E0 | 1 |
Instruction Set, alphabetical, Instruction Set by Category, Instruction Set, sortable, filterable
