widensfv

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realizing  exu stream  exu block  compute phase   operation   in the signed fixed point value domain  

native on: all

widen to double width


widensfv(sf v) → sf r0, sf r1

operands: like Widenv XX:2X2X


Core In Slots Latencies
Tin E0 2 2
Copper E0 E1 2 2
Silver E0 E1 E2 E3 2 2
Gold E0 E1 E2 E3 E4 E5 E6 E7 2 2
Decimal8 E0 E1 E2 E3 2 2
Decimal16 E0 E1 E2 E3 2 2