fmadn

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

native on: Decimal8 Decimal16

fused multiply-add or -add/subtract

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fmadn(d x, d y, d z) → d r0

operands: like Addd [dd:d]

encoding: fmadn(d x) , exuArgs(op arg0, op arg1)

Core	In Slots	Latencies
Decimal8	E0 E1	d,d:d=7 dv,dv:dv=7 q,q:q=8 qv,qv:qv=8
Decimal16	E0 E1	d,d:d=7 dv,dv:dv=7 q,q:q=8 qv,qv:qv=8

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fmadn(d x, d y, d z, d w) → d r0, d r1

operands: like Fmasd [dd:d]

encoding: fmadn(d x, d y) , exuArgs(op arg0, op arg1)

Core	In Slots	Latencies
Decimal8	E0	d,d:d,d=7,7 dv,dv:dv,dv=7,7 q,q:q,q=8,8 qv,qv:qv,qv=8,8
Decimal16	E0	d,d:d,d=7,7 dv,dv:dv,dv=7,7 q,q:q,q=8,8 qv,qv:qv,qv=8,8