Difference between revisions of "Instruction Set/subus"

Revision as of 09:23, 9 February 2015

aliases: subusv
native on: all

Saturating unsigned integer subtraction. When a result value overflows for the width, it flats out at the biggest value.

subus(u x, u y) → u r₀

operands: like Identity [xx:x]

subus(u x, imm y) → u r₀

operands: like Identity [xx:x]

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:subus}}
-<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; [[Overflow|using saturating 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 unsigned integer value domain]]&nbsp;&nbsp; [[Overflow|using saturating overflow behavior]]&nbsp;&nbsp; [[Condition Code|that produces condition codes]]<br />
 '''aliases:''' subusv <br />
 '''native on:''' [[Cores|all]]<br />