narrowdn

realizing  exu stream  exu block  compute phase   operation   in the decimal floating point value domain   and rounds toward negative infinity

native on: Decimal8 Decimal16

narrow scalar to half width

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narrowdn(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

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narrowdn(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

Instruction Set, alphabetical, Instruction Set by Category, Instruction Set, sortable, filterable