rootu

speculable  exu stream  exu block  compute phase   operation   in the unsigned integer value domain   that produces condition codes

native on: all

Unsigned integer square root. Helper operation for software square root implementation.

This operation creates a seed value for Newton-Rapheson, or other, iterative methods.

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rootu(u x) → u r0

operands: like Identity [xx:x]

Core	In Slots	Latencies
Tin	E0	rb:rb=1 rh:rh=1 rw:rw=1 rd:rd=2 rq:rq=2 rvb:rvb=1 rvh:rvh=1 rvw:rvw=1 rvd:rvd=2 rvq:rvq=2
Copper	E0	rb:rb=1 rh:rh=1 rw:rw=1 rd:rd=2 rq:rq=2 rvb:rvb=1 rvh:rvh=1 rvw:rvw=1 rvd:rvd=2 rvq:rvq=2
Silver	E0 E1 E2 E3	rb:rb=1 rh:rh=1 rw:rw=1 rd:rd=2 rq:rq=2 rvb:rvb=1 rvh:rvh=1 rvw:rvw=1 rvd:rvd=2 rvq:rvq=2
Gold	E0	rb:rb=1 rh:rh=1 rw:rw=1 rd:rd=2 rq:rq=2 rvb:rvb=1 rvh:rvh=1 rvw:rvw=1 rvd:rvd=2 rvq:rvq=2

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