SVE Instruction List by Dougall Johnson
EXPAND: Copy lower-numbered vector elements to Active elements
EXPAND Zd.B, Pg, Zn.B (SVE2.2+NS (SME2.2
128-bit SVE
Copy the low 8-bit elements from (1) into the active predicate positions of (3) as indicated by (2), preserving their order. Inactive elements are zeroed.
256-bit SVE
Copy the low 8-bit elements from (1) into the active predicate positions of (3) as indicated by (2), preserving their order. Inactive elements are zeroed.
512-bit SVE
Copy the low 8-bit elements from (1) into the active predicate positions of (3) as indicated by (2), preserving their order. Inactive elements are zeroed.
Larger sizes
1024-bit SVE
Copy the low 8-bit elements from (1) into the active predicate positions of (3) as indicated by (2), preserving their order. Inactive elements are zeroed.
2048-bit SVE
Copy the low 8-bit elements from (1) into the active predicate positions of (3) as indicated by (2), preserving their order. Inactive elements are zeroed.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.