SVE Instruction List by Dougall Johnson
See "ABS" in the exploration tools

ABS: Absolute value (predicated)

ABS Zd.D, Pg/M, Zn.D (SVE (SME
svint64_t svabs[_s64]_m(svint64_t inactive, svbool_t pg, svint64_t op)

128-bit SVE

For each 64-bit integer set (2) to the absolute value of (1).

256-bit SVE

For each 64-bit integer set (2) to the absolute value of (1).

512-bit SVE

For each 64-bit integer set (2) to the absolute value of (1).
Larger sizes

1024-bit SVE

For each 64-bit integer set (2) to the absolute value of (1).

2048-bit SVE

For each 64-bit integer set (2) to the absolute value of (1).
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.