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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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>

Revision as of 18:46, 26 November 2014

realizing  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