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

SMAXV: Signed maximum reduction to scalar

SMAXV Bd, Pg, Zn.B (SVE (SME
int8_t svmaxv[_s8](svbool_t pg, svint8_t op)

128-bit SVE

Find the maximum of the active signed 8-bit integer elements from (1), storing the result in (3). If there are no active elements, the result is −0x80.

256-bit SVE

Find the maximum of the active signed 8-bit integer elements from (1), storing the result in (3). If there are no active elements, the result is −0x80.

512-bit SVE

Find the maximum of the active signed 8-bit integer elements from (1), storing the result in (3). If there are no active elements, the result is −0x80.

Larger sizes

1024-bit SVE

Find the maximum of the active signed 8-bit integer elements from (1), storing the result in (3). If there are no active elements, the result is −0x80.

2048-bit SVE

Find the maximum of the active signed 8-bit integer elements from (1), storing the result in (3). If there are no active elements, the result is −0x80.

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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.