Difference between revisions of "Instruction Set/s2ffe"

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{{DISPLAYTITLE:s2ffe}}
 
{{DISPLAYTITLE:s2ffe}}
<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 binary floating point value domain]]&nbsp;&nbsp; [[Condition Code|that produces condition codes]] [[Rounding|and rounds to nearest, ties toward even adjacent value]]<br />
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<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 binary floating point value domain]]&nbsp;&nbsp; [[Condition Code|that produces condition codes]] [[Rounding|and rounds to nearest, ties toward even adjacent value]]<br />
'''native on:''' [[Cores/Silver|Silver]] [[Cores/Gold|Gold]] <br />
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'''native on:''' [[Cores/Silver|Silver]] <br />
 
</div>
 
</div>
  
convert signed integer to float
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Signed integer to binary float conversion. Rounding to even.
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----
 
----
 
<code style="font-size:130%"><b style="color:#050">s2ffe</b>(<span style="color:#009">[[Domains#f|f]]</span> <span title="belt operand from ops window">x</span>) &#8594; [[Domains#f|f]] r<sub>0</sub></code>
 
<code style="font-size:130%"><b style="color:#050">s2ffe</b>(<span style="color:#009">[[Domains#f|f]]</span> <span title="belt operand from ops window">x</span>) &#8594; [[Domains#f|f]] r<sub>0</sub></code>
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! [[Cores|Core]] || [[Slot|In Slots]]|| [[Latency|Latencies]]
 
! [[Cores|Core]] || [[Slot|In Slots]]|| [[Latency|Latencies]]
 
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|-
| [[Cores/Silver/Encoding#s2ffe|Silver]] || E0 E1 || w:w=3 wv:wv=3 d:d=4 dv:dv=4 q:q=5 qv:qv=5
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| [[Cores/Silver/Encoding#s2ffe|Silver]] || E0 E1 || rw:rw=3 rd:rd=4 rq:rq=5 rvw:rvw=3 rvd:rvd=4 rvq:rvq=5  
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| [[Cores/Gold/Encoding#s2ffe|Gold]] || E0 E1 E2 E3 || w:w=3 wv:wv=3 d:d=4 dv:dv=4 q:q=5 qv:qv=5  
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|}
 
|}
  
  
 
[[Instruction_Set|Instruction Set, alphabetical]], [[Instruction Set by Category]], [http://millcomputing.com/instructions.html?collapse=7#ops Instruction Set, sortable, filterable]
 
[[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 14:08, 23 February 2021

speculable  exu stream  exu block  compute phase   operation   in the binary floating point value domain   that produces condition codes and rounds to nearest, ties toward even adjacent value

native on: Silver

Signed integer to binary float conversion. Rounding to even.




s2ffe(f x) → f r0

operands: like Addf [ff:f]


Core In Slots Latencies
Silver E0 E1 rw:rw=3 rd:rd=4 rq:rq=5 rvw:rvw=3 rvd:rvd=4 rvq:rvq=5


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