Difference between revisions of "Instruction Set/subdfz"

Revision as of 09:27, 9 February 2015

native on: Decimal8 Decimal16

Decimal floating point subtraction in current rounding away from zero.

subdfz(d x, d y) → d r₀

operands: like Addd [dd:d]

Core	In Slots	Latencies
Decimal8	E0 E1	d,d:d=4 dv,dv:dv=4 q,q:q=5 qv,qv:qv=5
Decimal16	E0 E1	d,d:d=4 dv,dv:dv=4 q,q:q=5 qv,qv:qv=5

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:subdfz}}
-<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 decimal floating point value domain]]&nbsp;&nbsp; [[Condition Code|that produces condition codes]] [[Rounding|and rounds to nearest, ties away from zero]]<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 decimal floating point value domain]]&nbsp;&nbsp; [[Condition Code|that produces condition codes]] [[Rounding|and rounds to nearest, ties away from zero]]<br />
 '''native on:''' [[Cores/Decimal8|Decimal8]] [[Cores/Decimal16|Decimal16]] <br />
 </div>