SVE Instruction List by Dougall Johnson
SLI: Shift left and insert (immediate)
SLI Zd.B, Zn.B, #const (SVE2 (SME
svint8_t svsli[_n_s8](svint8_t op1, svint8_t op2, uint64_t imm3)
svuint8_t svsli[_n_u8](svuint8_t op1, svuint8_t op2, uint64_t imm3)
128-bit SVE
For each 8-bit integer set (3) to ( (2) << const ) | ( (1) & ~( 0xFF << const ) ). This preserves the const least-significant bits from (1), while inserting the ( 8 − const ) least-significant bits from (2) into the most-significant bits of (3). The shift amount is limited to 0 ≤ const ≤ 7.
256-bit SVE
For each 8-bit integer set (3) to ( (2) << const ) | ( (1) & ~( 0xFF << const ) ). This preserves the const least-significant bits from (1), while inserting the ( 8 − const ) least-significant bits from (2) into the most-significant bits of (3). The shift amount is limited to 0 ≤ const ≤ 7.
512-bit SVE
For each 8-bit integer set (3) to ( (2) << const ) | ( (1) & ~( 0xFF << const ) ). This preserves the const least-significant bits from (1), while inserting the ( 8 − const ) least-significant bits from (2) into the most-significant bits of (3). The shift amount is limited to 0 ≤ const ≤ 7.
Larger sizes
1024-bit SVE
For each 8-bit integer set (3) to ( (2) << const ) | ( (1) & ~( 0xFF << const ) ). This preserves the const least-significant bits from (1), while inserting the ( 8 − const ) least-significant bits from (2) into the most-significant bits of (3). The shift amount is limited to 0 ≤ const ≤ 7.
2048-bit SVE
For each 8-bit integer set (3) to ( (2) << const ) | ( (1) & ~( 0xFF << const ) ). This preserves the const least-significant bits from (1), while inserting the ( 8 − const ) least-significant bits from (2) into the most-significant bits of (3). The shift amount is limited to 0 ≤ const ≤ 7.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.