SVE Instruction List by Dougall Johnson
UQDECP (scalar): Unsigned saturating decrement scalar by count of true predicate elements
UQDECP Xdn, Pm.B (SVE (SME
uint64_t svqdecp[_n_u64]_b8(uint64_t op, svbool_t pg)
128-bit SVE
Set (3) to (2) − popcount( (1) ), with unsigned saturation to zero.
256-bit SVE
Set (3) to (2) − popcount( (1) ), with unsigned saturation to zero.
512-bit SVE
Set (3) to (2) − popcount( (1) ), with unsigned saturation to zero.
Larger sizes
1024-bit SVE
Set (3) to (2) − popcount( (1) ), with unsigned saturation to zero.
2048-bit SVE
Set (3) to (2) − popcount( (1) ), with unsigned saturation to zero.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.