ADD (to vector) Add replicated single vector to multi-vector with multi-vector result Add elements of the second source vector to the corresponding elements of the two or four first source vectors and destructively place the results in the corresponding elements of the two or four first source vectors. This instruction is unpredicated. Green False True SM_1_only It has encodings from 2 classes: Two registers and Four registers 1 1 0 0 0 0 0 1 1 0 1 0 1 0 0 0 1 1 0 0 0 0 ADD { <Zdn1>.<T>-<Zdn2>.<T> }, { <Zdn1>.<T>-<Zdn2>.<T> }, <Zm>.<T> if !IsFeatureImplemented(FEAT_SME2) then UNDEFINED; constant integer esize = 8 << UInt(size); constant integer dn = UInt(Zdn:'0'); constant integer m = UInt('0':Zm); constant integer nreg = 2; 1 1 0 0 0 0 0 1 1 0 1 0 1 0 1 0 1 1 0 0 0 0 0 ADD { <Zdn1>.<T>-<Zdn4>.<T> }, { <Zdn1>.<T>-<Zdn4>.<T> }, <Zm>.<T> if !IsFeatureImplemented(FEAT_SME2) then UNDEFINED; constant integer esize = 8 << UInt(size); constant integer dn = UInt(Zdn:'00'); constant integer m = UInt('0':Zm); constant integer nreg = 4; <Zdn1> For the two registers variant: is the name of the first scalable vector register of the destination and first source multi-vector group, encoded as "Zdn" times 2. <Zdn1> For the four registers variant: is the name of the first scalable vector register of the destination and first source multi-vector group, encoded as "Zdn" times 4. <T> Is the size specifier, size <T> 00 B 01 H 10 S 11 D
<Zdn4> Is the name of the fourth scalable vector register of the destination and first source multi-vector group, encoded as "Zdn" times 4 plus 3. <Zdn2> Is the name of the second scalable vector register of the destination and first source multi-vector group, encoded as "Zdn" times 2 plus 1. <Zm> Is the name of the second source scalable vector register Z0-Z15, encoded in the "Zm" field.
CheckStreamingSVEEnabled(); constant integer VL = CurrentVL; constant integer elements = VL DIV esize; array [0..3] of bits(VL) results; for r = 0 to nreg-1 constant bits(VL) operand1 = Z[dn+r, VL]; constant bits(VL) operand2 = Z[m, VL]; for e = 0 to elements-1 constant bits(esize) element1 = Elem[operand1, e, esize]; constant bits(esize) element2 = Elem[operand2, e, esize]; Elem[results[r], e, esize] = element1 + element2; for r = 0 to nreg-1 Z[dn+r, VL] = results[r];