addus

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realizing  exu stream  exu block  compute phase   operation   in the unsigned integer value domain   using saturating overflow behavior   that produces condition codes

aliases: addusv
native on: all

Saturating unsigned integer addition. When a result value overflows for the width, it flats out at the biggest value.


addus(u x, u y) → u r0

operands: like Identity [xx:x]


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

addus(u x, imm y) → u r0

operands: like Identity [xx:x]


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