SVE Instruction List by Dougall Johnson
See "FCM<cc> (vectors)" in the exploration tools

FCMNE (vectors): Floating-point compare vectors

FCMNE Pd.D, Pg/Z, Zn.D, Zm.D (SVE (SME
svbool_t svcmpne[_f64](svbool_t pg, svfloat64_t op1, svfloat64_t op2)

128-bit SVE

For each 64-bit float set the corresponding predicate bit in (3) to (1) != (2).

256-bit SVE

For each 64-bit float set the corresponding predicate bit in (3) to (1) != (2).

512-bit SVE

For each 64-bit float set the corresponding predicate bit in (3) to (1) != (2).
Larger sizes

1024-bit SVE

For each 64-bit float set the corresponding predicate bit in (3) to (1) != (2).

2048-bit SVE

For each 64-bit float set the corresponding predicate bit in (3) to (1) != (2).
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.