Difference between revisions of "Instruction Set/addss"

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(Created page with "{{DISPLAYTITLE:addss}} <div style="font-size:80%;line-height:90%;margin-bottom:2em">realizing  exu stream [[Decode|exu block]...")
 
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addition
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Saturating signed integer addition.
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When a result value overflows or underflows for the width, it flats out at the biggest or smallest value respectively.
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<code style="font-size:130%"><b style="color:#050">addss</b>(<span style="color:#009">[[Domains#s|s]]</span> <span title="belt operand from ops window">x</span>, <span style="color:#009">[[Domains#s|s]]</span> <span title="belt operand from ops window">y</span>) &#8594; [[Domains#s|s]] r<sub>0</sub></code>
 
<code style="font-size:130%"><b style="color:#050">addss</b>(<span style="color:#009">[[Domains#s|s]]</span> <span title="belt operand from ops window">x</span>, <span style="color:#009">[[Domains#s|s]]</span> <span title="belt operand from ops window">y</span>) &#8594; [[Domains#s|s]] r<sub>0</sub></code>

Revision as of 10:16, 12 November 2014

realizing  exu stream  exu block  compute phase   operation   in the signed integer value domain   using saturating overflow behavior   that produces condition codes

aliases: addssv
native on: all

Saturating signed integer addition. When a result value overflows or underflows for the width, it flats out at the biggest or smallest value respectively.


addss(s x, s y) → s r0

operands: like Identity [xx:x]


Core In Slots Latencies
Tin E0 2
Copper E0 E1 2
Silver E0 E1 E2 E3 2
Gold E0 E1 E2 E3 E4 E5 E6 E7 2
Decimal8 E0 E1 E2 E3 2
Decimal16 E0 E1 E2 E3 2

addss(s x, imm y) → s r0

operands: like Identity [xx:x]


Core In Slots Latencies
Tin E0 2
Copper E0 E1 2
Silver E0 E1 E2 E3 2
Gold E0 E1 E2 E3 E4 E5 E6 E7 2
Decimal8 E0 E1 E2 E3 2
Decimal16 E0 E1 E2 E3 2