Difference between revisions of "Instruction Set/subp"

Revision as of 09:28, 9 February 2015

native on: all

Pointer subtraction. Protects the upper 4 reserved bits, can be scaled for indexing.

subp(p x, p y, scale s) → p r₀

subp(p x, imm y, scale s) → p r₀

operands: like Addp [px:p]

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 {{DISPLAYTITLE:subp}}
-<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 pointers value domain]]&nbsp;&nbsp;<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 pointers value domain]]&nbsp;&nbsp;<br />
 '''native on:''' [[Cores|all]]<br />
 </div>