Difference between revisions of "Instruction Set/muldn"

From Mill Computing Wiki
Jump to: navigation, search
(Created page with "{{DISPLAYTITLE:muldn}} <div style="font-size:80%;line-height:90%;margin-bottom:2em">realizing  exu stream [[Decode|exu block]...")
 
 
(5 intermediate revisions by the same user not shown)
Line 1:Line 1:
 
{{DISPLAYTITLE:muldn}}
 
{{DISPLAYTITLE:muldn}}
−
<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; [[Condition Code|that produces condition codes]]<br />
+
<div style="font-size:80%;line-height:90%;margin-bottom:2em">[[Speculation|speculable]]&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; [[Condition Code|that produces condition codes]] [[Rounding|and rounds toward negative infinity]]<br />
−
'''native on:''' [[Cores/Decimal8|Decimal8]] [[Cores/Decimal16|Decimal16]] <br />
+
'''native on:''' [[Assembly|none]]<br />
 
</div>
 
</div>
  
−
multiplication
+
Decimal floating point multiplication in current rounding to nearest.
 +
 
 
----
 
----
 
<code style="font-size:130%"><b style="color:#050">muldn</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>) &#8594; [[Domains#d|d]] r<sub>0</sub></code>
 
<code style="font-size:130%"><b style="color:#050">muldn</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>) &#8594; [[Domains#d|d]] r<sub>0</sub></code>
Line 11:Line 12:
 
<br />
 
<br />
  
−
{| class="mw-collapsible mw-collapsed wikitable" data-expandtext="&#9656;" data-collapsetext="&#9662;"
+
 
−
! [[Cores|Core]] || [[Slot|In Slots]]|| [[Latency|Latencies]]
+
[[Instruction_Set|Instruction Set, alphabetical]], [[Instruction Set by Category]], [http://millcomputing.com/instructions.html?collapse=7#ops Instruction Set, sortable, filterable]
−
|-
+
−
| [[Cores/Decimal8/Encoding#572|Decimal8]] || E0 E1 || d,d:d=5 dv,dv:dv=5 q,q:q=6 qv,qv:qv=6
+
−
|-
+
−
| [[Cores/Decimal16/Encoding#572|Decimal16]] || E0 E1 || d,d:d=5 dv,dv:dv=5 q,q:q=6 qv,qv:qv=6
+
−
|}
+

Latest revision as of 13:59, 23 February 2021

speculable  exu stream  exu block  compute phase   operation   in the decimal floating point value domain   that produces condition codes and rounds toward negative infinity

native on: none

Decimal floating point multiplication in current rounding to nearest.

muldn(d x, d y) → d r0

operands: like Addd [dd:d]



Instruction Set, alphabetical, Instruction Set by Category, Instruction Set, sortable, filterable

Retrieved from "http://millcomputing.com/w/index.php?title=Instruction_Set/muldn&oldid=4602"