Difference between revisions of "Instruction Set/narrowd"

From Mill Computing Wiki
Jump to: navigation, search
(Created page with "{{DISPLAYTITLE:narrowd}} <div style="font-size:80%;line-height:90%;margin-bottom:2em">realizing  exu stream Decode|exu bloc...")
(No difference)

Revision as of 06:58, 2 October 2014

realizing  exu stream  exu block  compute phase   operation   in the decimal floating point value domain  

native on: Decimal8 Decimal16

narrow scalar to half width


narrowd(d v) → d r0

operands: like Narrowd [dd:½d]


Core In Slots Latencies
Decimal8 E0 E1 d:w=4 q:d=5
Decimal16 E0 E1 d:w=4 q:d=5

narrowd(d v1, d v2) → d r0

operands: like Narrowvd [DD:½D]


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