Arm® A64 Instruction Set Architecture: Future Architecture Technologies in the A architecture profile

INCP (vector)

Increment vector by active predicate element count.

Counts the number of active elements in the source predicate and then uses the result to increment all destination vector elements.

if !HaveSVE() then UNDEFINED;
if size == '00' then UNDEFINED;
integer esize = 8 << UInt(size);
integer g = UInt(Pg);
integer dn = UInt(Zdn);

Assembler Symbols

CheckSVEEnabled();
integer elements = VL DIV esize;
bits(PL) mask = P[g];
bits(VL) operand = Z[dn];
bits(VL) result;
integer count = 0;

for e = 0 to elements-1
    if ElemP[mask, e, esize] == '1' then
        count = count + 1;

for e = 0 to elements-1
    Elem[result, e, esize] = Elem[operand, e, esize] + count;

Z[dn] = result;