SVE Instruction List by Dougall Johnson
See "FSUB (immediate)" in the exploration tools

FSUB (immediate): Floating-point subtract immediate (predicated)

FSUB Zdn.H, Pg/M, Zdn.H, #1.0 (SVE (SME
svfloat16_t svsub[_n_f16]_m(svbool_t pg, svfloat16_t op1, float16_t op2)

128-bit SVE

For each 16-bit float set (3) to (2) − 1.0.

256-bit SVE

For each 16-bit float set (3) to (2) − 1.0.

512-bit SVE

For each 16-bit float set (3) to (2) − 1.0.
Larger sizes

1024-bit SVE

For each 16-bit float set (3) to (2) − 1.0.

2048-bit SVE

For each 16-bit float set (3) to (2) − 1.0.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.