REV (vector) Reverse all elements in a vector (unpredicated) Reverse the order of all elements in the source vector and place in the destination vector. This instruction is unpredicated. Green False True 0 0 0 0 0 1 0 1 1 1 1 0 0 0 0 0 1 1 1 0 REV <Zd>.<T>, <Zn>.<T> if !IsFeatureImplemented(FEAT_SVE) && !IsFeatureImplemented(FEAT_SME) then UNDEFINED; constant integer esize = 8 << UInt(size); constant integer n = UInt(Zn); constant integer d = UInt(Zd); <Zd> Is the name of the destination scalable vector register, encoded in the "Zd" field. <T> Is the size specifier, size <T> 00 B 01 H 10 S 11 D <Zn> Is the name of the source scalable vector register, encoded in the "Zn" field. CheckSVEEnabled(); constant integer VL = CurrentVL; constant integer PL = VL DIV 8; constant bits(VL) operand = Z[n, VL]; constant bits(VL) result = Reverse(operand, esize); Z[d, VL] = result;