SVE Instruction List by Dougall Johnson
FLOGB: Floating-point base 2 logarithm as integer
FLOGB Zd.H, Pg/Z, Zn.H (SVE2.2 (SME2.2
128-bit SVE

For each 16-bit float in (1), set (2) to its unbiased binary exponent as a signed 16-bit integer.
256-bit SVE

For each 16-bit float in (1), set (2) to its unbiased binary exponent as a signed 16-bit integer.
512-bit SVE

For each 16-bit float in (1), set (2) to its unbiased binary exponent as a signed 16-bit integer.
Larger sizes
1024-bit SVE

For each 16-bit float in (1), set (2) to its unbiased binary exponent as a signed 16-bit integer.
2048-bit SVE

For each 16-bit float in (1), set (2) to its unbiased binary exponent as a signed 16-bit integer.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.