TRN1, TRN2 (predicates) Interleave even or odd elements from two predicates Interleave alternating even or odd-numbered elements from the first and second source predicates and place in elements of the destination predicate. This instruction is unpredicated. Green False True It has encodings from 2 classes: Even and Odd 0 0 0 0 0 1 0 1 1 0 0 1 0 1 0 0 0 0 TRN1 <Pd>.<T>, <Pn>.<T>, <Pm>.<T> if !IsFeatureImplemented(FEAT_SVE) && !IsFeatureImplemented(FEAT_SME) then UNDEFINED; constant integer esize = 8 << UInt(size); constant integer n = UInt(Pn); constant integer m = UInt(Pm); constant integer d = UInt(Pd); constant integer part = 0; 0 0 0 0 0 1 0 1 1 0 0 1 0 1 0 1 0 0 TRN2 <Pd>.<T>, <Pn>.<T>, <Pm>.<T> if !IsFeatureImplemented(FEAT_SVE) && !IsFeatureImplemented(FEAT_SME) then UNDEFINED; constant integer esize = 8 << UInt(size); constant integer n = UInt(Pn); constant integer m = UInt(Pm); constant integer d = UInt(Pd); constant integer part = 1; <Pd> Is the name of the destination scalable predicate register, encoded in the "Pd" field. <T> Is the size specifier, size <T> 00 B 01 H 10 S 11 D <Pn> Is the name of the first source scalable predicate register, encoded in the "Pn" field. <Pm> Is the name of the second source scalable predicate register, encoded in the "Pm" field. CheckSVEEnabled(); constant integer VL = CurrentVL; constant integer PL = VL DIV 8; constant integer pairs = VL DIV (esize * 2); constant bits(PL) operand1 = P[n, PL]; constant bits(PL) operand2 = P[m, PL]; bits(PL) result; for p = 0 to pairs-1 Elem[result, 2*p+0, esize DIV 8] = Elem[operand1, 2*p+part, esize DIV 8]; Elem[result, 2*p+1, esize DIV 8] = Elem[operand2, 2*p+part, esize DIV 8]; P[d, PL] = result;