SVE Instruction List by Dougall Johnson
See "FSUBR (vectors)" in the exploration tools

FSUBR (vectors): Floating-point reversed subtract vectors (predicated)

FSUBR Zdn.D, Pg/M, Zdn.D, Zm.D (SVE (SME
svfloat64_t svsubr[_f64]_m(svbool_t pg, svfloat64_t op1, svfloat64_t op2)

128-bit SVE

For each 64-bit float set (3) to (2) − (1).

256-bit SVE

For each 64-bit float set (3) to (2) − (1).

512-bit SVE

For each 64-bit float set (3) to (2) − (1).
Larger sizes

1024-bit SVE

For each 64-bit float set (3) to (2) − (1).

2048-bit SVE

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