View source for Instruction Set/fmadn

{{DISPLAYTITLE:fmadn}}
<div style="font-size:80%;line-height:90%;margin-bottom:2em">[[Speculation|realizing]]&nbsp;&nbsp;[[Encoding|exu stream]]&nbsp;&nbsp;[[Decode|exu block]]&nbsp;&nbsp;[[Phasing|compute phase]]&nbsp;&nbsp; operation&nbsp;&nbsp; [[Domains|in the decimal floating point value domain]]&nbsp;&nbsp;<br />
'''native on:''' [[Cores/Decimal8|Decimal8]] [[Cores/Decimal16|Decimal16]] <br />
</div>

fused multiply-add or -add/subtract
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<code style="font-size:130%"><b style="color:#050">fmadn</b>(<span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">x</span>, <span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">y</span>, <span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops 
            window">z</span>) &#8594; [[Domains#d|d]] r<sub>0</sub></code>
<div style="font-size:80%;line-height:90%;margin-bottom:2em">'''operands:''' [[Operands#likeAddd|like Addd [dd:d]]]
</div>
<br />

'''encoding:''' 
<code style="font-size:100%"><b style="color:#050">fmadn</b>(<span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">x</span>)</code>
, 
<code style="font-size:100%"><b style="color:#050">exuArgs</b>(<span style="color:#009">[[Domains#op|op]]</span> <span title="belt operand from ops window">arg0</span>, <span style="color:#009">[[Domains#op|op]]</span> <span title="belt operand from ops window">arg1</span>)</code>
<br />

{| class="mw-collapsible mw-collapsed wikitable" data-expandtext="&#9656;" data-collapsetext="&#9662;"
! [[Cores|Core]] || [[Slot|In Slots]]|| [[Latency|Latencies]]
|-
| [[Cores/Decimal8/Encoding#970|Decimal8]] || E0 E1 || d,d:d=7 dv,dv:dv=7 q,q:q=8 qv,qv:qv=8 
|-
| [[Cores/Decimal16/Encoding#970|Decimal16]] || E0 E1 || d,d:d=7 dv,dv:dv=7 q,q:q=8 qv,qv:qv=8 
|}

----
<code style="font-size:130%"><b style="color:#050">fmadn</b>(<span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">x</span>, <span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">y</span>, <span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops 
            window">z</span>, <span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">w</span>) &#8594; [[Domains#d|d]] r<sub>0</sub>, [[Domains#d|d]] r<sub>1</sub></code>
<div style="font-size:80%;line-height:90%;margin-bottom:2em">'''operands:''' [[Operands#likeFmasd|like Fmasd [dd:d]]]
</div>
<br />

'''encoding:''' 
<code style="font-size:100%"><b style="color:#050">fmadn</b>(<span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">x</span>, <span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">y</span>)</code>
, 
<code style="font-size:100%"><b style="color:#050">exuArgs</b>(<span style="color:#009">[[Domains#op|op]]</span> <span title="belt operand from ops window">arg0</span>, <span style="color:#009">[[Domains#op|op]]</span> <span title="belt operand from ops window">arg1</span>)</code>
<br />

{| class="mw-collapsible mw-collapsed wikitable" data-expandtext="&#9656;" data-collapsetext="&#9662;"
! [[Cores|Core]] || [[Slot|In Slots]]|| [[Latency|Latencies]]
|-
| [[Cores/Decimal8/Encoding#971|Decimal8]] || E0 || d,d:d,d=7,7 dv,dv:dv,dv=7,7 q,q:q,q=8,8 qv,qv:qv,qv=8,8 
|-
| [[Cores/Decimal16/Encoding#971|Decimal16]] || E0 || d,d:d,d=7,7 dv,dv:dv,dv=7,7 q,q:q,q=8,8 qv,qv:qv,qv=8,8 
|}