SVE Instruction List by Dougall Johnson
SQDMULLB (indexed): Signed saturating doubling multiply long (bottom, indexed)
SQDMULLB Zd.D, Zn.S, Zm.S[imm] (SVE2 (SME
svint64_t svqdmullb_lane[_s64](svint32_t op1, svint32_t op2, uint64_t imm_index)
128-bit SVE
For each even signed 32-bit integer set the double-width (3) to (1) * (2) << 1, with signed saturation to 0x7FFFFFFFFFFFFFFF. Within each 128-bit segment, the value used from (1) is specified by imm.
256-bit SVE
For each even signed 32-bit integer set the double-width (3) to (1) * (2) << 1, with signed saturation to 0x7FFFFFFFFFFFFFFF. Within each 128-bit segment, the value used from (1) is specified by imm.
512-bit SVE
For each even signed 32-bit integer set the double-width (3) to (1) * (2) << 1, with signed saturation to 0x7FFFFFFFFFFFFFFF. Within each 128-bit segment, the value used from (1) is specified by imm.
Larger sizes
1024-bit SVE
For each even signed 32-bit integer set the double-width (3) to (1) * (2) << 1, with signed saturation to 0x7FFFFFFFFFFFFFFF. Within each 128-bit segment, the value used from (1) is specified by imm.
2048-bit SVE
For each even signed 32-bit integer set the double-width (3) to (1) * (2) << 1, with signed saturation to 0x7FFFFFFFFFFFFFFF. Within each 128-bit segment, the value used from (1) is specified by imm.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.