(old) | htmldiff from- | (new) |
.
Counts the number of true elements in the source predicate and then uses the result to increment the scalar destination.
Increment scalar by count of true predicate elements.
Counts the number of true elements in the source predicate and then uses the result to increment the scalar destination.
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | size | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | Pm | Rdn | ||||||||
D |
if !HaveSVE() then UNDEFINED; integer esize = 8 << UInt(size); integer m = UInt(Pm); integer dn = UInt(Rdn);
<Xdn> | Is the 64-bit name of the source and destination general-purpose register, encoded in the "Rdn" field. |
<Pm> | Is the name of the source scalable predicate register, encoded in the "Pm" field. |
<T> |
Is the size specifier,
encoded in
size:
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CheckSVEEnabled(); integer elements = VL DIV esize; bits(64) operand1 = X[dn]; bits(PL) operand2 = P[m]; integer count = 0; for e = 0 to elements-1 if ElemP[operand2, e, esize] == '1' then count = count + 1; X[dn] = operand1 + count;
Internal version only: isa v32.13v32.12, AdvSIMD v29.05v29.04, pseudocode v2020-12v2020-09_xml, sve v2020-12v2020-09_rc3
; Build timestamp: 2020-12-16T142020-11-18T17:1723
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(old) | htmldiff from- | (new) |