Difference between revisions of "Instruction Set/sub1u"

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(Created page with "{{DISPLAYTITLE:sub1u}} <div style="font-size:80%;line-height:90%;margin-bottom:2em">realizing  exu stream [[Decode|exu block]...")
 
 
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{{DISPLAYTITLE:sub1u}}
 
{{DISPLAYTITLE:sub1u}}
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<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 unsigned integer value domain]]&nbsp;&nbsp; [[Condition Code|that produces condition codes]]<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 unsigned integer value domain]]&nbsp;&nbsp; [[Condition Code|that produces condition codes]]<br />
 
'''native on:''' [[Cores|all]]<br />
 
'''native on:''' [[Cores|all]]<br />
 
</div>
 
</div>
  
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subtraction minus 1
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Decrement by one.
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----
 
----
 
<code style="font-size:130%"><b style="color:#050">sub1u</b>(<span style="color:#009">[[Domains#u|u]]</span> <span title="belt operand from ops window">x</span>, <span style="color:#009">[[Domains#u|u]]</span> <span title="belt operand from ops window">y</span>) &#8594; [[Domains#u|u]] r<sub>0</sub></code>
 
<code style="font-size:130%"><b style="color:#050">sub1u</b>(<span style="color:#009">[[Domains#u|u]]</span> <span title="belt operand from ops window">x</span>, <span style="color:#009">[[Domains#u|u]]</span> <span title="belt operand from ops window">y</span>) &#8594; [[Domains#u|u]] r<sub>0</sub></code>
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! [[Cores|Core]] || [[Slot|In Slots]]|| [[Latency|Latencies]]
 
! [[Cores|Core]] || [[Slot|In Slots]]|| [[Latency|Latencies]]
 
|-
 
|-
−
| [[Cores/Tin/Encoding#848|Tin]] || E0 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
+
| [[Cores/Tin/Encoding#sub1u|Tin]] || E0 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
 
|-
 
|-
−
| [[Cores/Copper/Encoding#848|Copper]] || E0 E1 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
+
| [[Cores/Copper/Encoding#sub1u|Copper]] || E0 E1 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
 
|-
 
|-
−
| [[Cores/Silver/Encoding#848|Silver]] || E0 E1 E2 E3 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
+
| [[Cores/Silver/Encoding#sub1u|Silver]] || E0 E1 E2 E3 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
 
|-
 
|-
−
| [[Cores/Gold/Encoding#848|Gold]] || E0 E1 E2 E3 E4 E5 E6 E7 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
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| [[Cores/Gold/Encoding#sub1u|Gold]] || E0 E1 E2 E3 E4 E5 E6 E7 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
 
|-
 
|-
−
| [[Cores/Decimal8/Encoding#848|Decimal8]] || E0 E1 E2 E3 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
+
| [[Cores/Decimal8/Encoding#sub1u|Decimal8]] || E0 E1 E2 E3 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
 
|-
 
|-
−
| [[Cores/Decimal16/Encoding#848|Decimal16]] || E0 E1 E2 E3 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
+
| [[Cores/Decimal16/Encoding#sub1u|Decimal16]] || E0 E1 E2 E3 || b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2  
 
|}
 
|}
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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]

Latest revision as of 09:23, 9 February 2015

speculable  exu stream  exu block  compute phase   operation   in the unsigned integer value domain   that produces condition codes

native on: all

Decrement by one.

sub1u(u x, u y) → u r0

operands: like Identity [xx:x]


Core In Slots Latencies
Tin E0 b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2
Copper E0 E1 b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2
Silver E0 E1 E2 E3 b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2
Gold E0 E1 E2 E3 E4 E5 E6 E7 b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2
Decimal8 E0 E1 E2 E3 b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2
Decimal16 E0 E1 E2 E3 b,b:b=1 bv,bv:bv=1 h,h:h=1 hv,hv:hv=1 w,w:w=1 wv,wv:wv=1 d,d:d=2 dv,dv:dv=2 q,q:q=2 qv,qv:qv=2


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

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