SVE Instruction List by Dougall Johnson
SQRDMLSH (indexed): Signed saturating rounding doubling multiply-subtract high from accumulator (indexed)
SQRDMLSH Zda.H, Zn.H, Zm.H[imm] (SVE2 (SME
svint16_t svqrdmlsh_lane[_s16](svint16_t op1, svint16_t op2, svint16_t op3, uint64_t imm_index)
128-bit SVE
For each signed 16-bit integer set (4) to ( ( (3) << 15 ) − (1) * (2) + 0x4000 ) >> 15, with signed saturation to 0x7FFF or −0x8000. Within each 128-bit segment, the value used from (1) is specified by imm
.
256-bit SVE
For each signed 16-bit integer set (4) to ( ( (3) << 15 ) − (1) * (2) + 0x4000 ) >> 15, with signed saturation to 0x7FFF or −0x8000. Within each 128-bit segment, the value used from (1) is specified by imm
.
512-bit SVE
For each signed 16-bit integer set (4) to ( ( (3) << 15 ) − (1) * (2) + 0x4000 ) >> 15, with signed saturation to 0x7FFF or −0x8000. Within each 128-bit segment, the value used from (1) is specified by imm
.
Larger sizes
1024-bit SVE
For each signed 16-bit integer set (4) to ( ( (3) << 15 ) − (1) * (2) + 0x4000 ) >> 15, with signed saturation to 0x7FFF or −0x8000. Within each 128-bit segment, the value used from (1) is specified by imm
.
2048-bit SVE
For each signed 16-bit integer set (4) to ( ( (3) << 15 ) − (1) * (2) + 0x4000 ) >> 15, with signed saturation to 0x7FFF or −0x8000. Within each 128-bit segment, the value used from (1) is specified by imm
.
Report mistakes or give feedback
Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.