Difference between revisions of "Instruction Set/rdivd"

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reciprocal divide
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Decimal float reciprocal dividide.
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i.e. the result is 1/x.
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 +
This operation doesn't need rounding since no precision is lost.
 +
 
 
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<code style="font-size:130%"><b style="color:#050">rdivd</b>(<span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">x</span>) &#8594; [[Domains#d|d]] r<sub>0</sub></code>
 
<code style="font-size:130%"><b style="color:#050">rdivd</b>(<span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">x</span>) &#8594; [[Domains#d|d]] r<sub>0</sub></code>

Revision as of 00:09, 3 January 2015

realizing  exu stream  exu block  compute phase   operation   in the decimal floating point value domain  

native on: Decimal8 Decimal16

Decimal float reciprocal dividide. i.e. the result is 1/x.

This operation doesn't need rounding since no precision is lost.


rdivd(d x) → d r0

operands: like Addd [dd:d]


Core In Slots Latencies
Decimal8 E0 E1 d:d=4 dv:dv=4 q:q=5 qv:qv=5
Decimal16 E0 E1 d:d=4 dv:dv=4 q:q=5 qv:qv=5


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