Difference between revisions of "Instruction Set/mulde"

From Mill Computing Wiki
Jump to: navigation, search
(Created page with "{{DISPLAYTITLE:mulde}} <div style="font-size:80%;line-height:90%;margin-bottom:2em">realizing  exu stream [[Decode|exu block]...")
 
Line 4:Line 4:
 
</div>
 
</div>
  
multiplication
+
Decimal floating point multiplication in current rounding to even.
 +
 
 
----
 
----
 
<code style="font-size:130%"><b style="color:#050">mulde</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">mulde</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>

Revision as of 10:18, 12 November 2014

realizing  exu stream  exu block  compute phase   operation   in the decimal floating point value domain   that produces condition codes

native on: Decimal8 Decimal16

Decimal floating point multiplication in current rounding to even.


mulde(d x, d y) → d r0

operands: like Addd [dd:d]


Core In Slots Latencies
Decimal8 E0 E1 d,d:d=5 dv,dv:dv=5 q,q:q=6 qv,qv:qv=6
Decimal16 E0 E1 d,d:d=5 dv,dv:dv=5 q,q:q=6 qv,qv:qv=6