rrootf

speculable  exu stream  exu block  compute phase   operation   in the binary floating point value domain  

native on: Silver Gold

Binary float reciprocal square root. i.e. the result is 1/√x.

This operation doesn't need rounding since no precision is lost.

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rrootf(f x) → f r0

operands: like Addf [ff:f]

Core	In Slots	Latencies
Silver	E0 E1	w:w=3 wv:wv=3 d:d=4 dv:dv=4 q:q=5 qv:qv=5
Gold	E0 E1 E2 E3	w:w=3 wv:wv=3 d:d=4 dv:dv=4 q:q=5 qv:qv=5

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