Difference between revisions of "Instruction Set/subswv"

Latest revision as of 09:32, 9 February 2015

native on: all

Widening signed integer vector subtraction. If any of the result values in the vector overflows, the vector is widened as with widenuv.

subswv(s x, s y) → s r₀, s r₁

operands: like Widenv XX:2X2X

subswv(s x, imm y) → s r₀, s r₁

operands: like Widenv XX:2X2X

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:subswv}}
-<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 signed integer value domain]]&nbsp;&nbsp; [[Overflow|using widening overflow behavior]]&nbsp;&nbsp; [[Condition Code|that produces condition codes]]<br />
+<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 signed integer value domain]]&nbsp;&nbsp; [[Overflow|using widening overflow behavior]]&nbsp;&nbsp; [[Condition Code|that produces condition codes]]<br />
 '''native on:''' [[Cores|all]]<br />
 </div>
-subtraction
+Widening signed integer vector subtraction.
+If any of the result values in the vector overflows, the vector is widened as with [[Instruction_Set/widenuv|widenuv]].
 ----
 <code style="font-size:130%"><b style="color:#050">subswv</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>, [[Domains#s|s]] r<sub>1</sub></code>