FLOGB: Floating-point base 2 logarithm as integer

FLOGB Zd.D, Pg/M, Zn.D (SVE2 (SME

svint64_t svlogb[_f64]_m(svint64_t inactive, svbool_t pg, svfloat64_t op)

128-bit SVE

For each 64-bit float in (1), set (2) to its unbiased binary exponent as a signed 64-bit integer.

For each 64-bit float in (1), set (2) to its unbiased binary exponent as a signed 64-bit integer.

For each 64-bit float in (1), set (2) to its unbiased binary exponent as a signed 64-bit integer.

Larger sizes

For each 64-bit float in (1), set (2) to its unbiased binary exponent as a signed 64-bit integer.

For each 64-bit float in (1), set (2) to its unbiased binary exponent as a signed 64-bit integer.