SVE Instruction List by Dougall Johnson
See "ST1B (scalar plus scalar, single register)" in the exploration tools

ST1B (scalar plus scalar, single register): Contiguous store bytes from vector (scalar index)

ST1B { Zt.H }, Pg, [Xn, Xm] (SVE (SME
void svst1b[_s16](svbool_t pg, int8_t *base, svint16_t data)
void svst1b[_u16](svbool_t pg, uint8_t *base, svuint16_t data)

128-bit SVE

Truncate each active 16-bit element of (1) to an 8-bit value, and store them to the memory operand (3). If the corresponding predicate bit from (2) is zero, that store is skipped, and cannot cause a fault, and the corresponding value in memory is unchanged.

256-bit SVE

Truncate each active 16-bit element of (1) to an 8-bit value, and store them to the memory operand (3). If the corresponding predicate bit from (2) is zero, that store is skipped, and cannot cause a fault, and the corresponding value in memory is unchanged.

512-bit SVE

Truncate each active 16-bit element of (1) to an 8-bit value, and store them to the memory operand (3). If the corresponding predicate bit from (2) is zero, that store is skipped, and cannot cause a fault, and the corresponding value in memory is unchanged.

Larger sizes

1024-bit SVE

Truncate each active 16-bit element of (1) to an 8-bit value, and store them to the memory operand (3). If the corresponding predicate bit from (2) is zero, that store is skipped, and cannot cause a fault, and the corresponding value in memory is unchanged.

2048-bit SVE

Truncate each active 16-bit element of (1) to an 8-bit value, and store them to the memory operand (3). If the corresponding predicate bit from (2) is zero, that store is skipped, and cannot cause a fault, and the corresponding value in memory is unchanged.

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