XOR RoundKeyB[0]; else aes_subword_fwd(aes_rotword(CurrentRoundKey[3])) XOR aes_decode_rcon(r) XOR CurrentRoundKey[0] let w[1] : bits(32) = aes_mixcolumn_fwd(aes_get_column(x, 0)); let oc1 : bits(32) = 0; let rnd : bits(3) = uimm[2:0]; // Lower 3 bits foreach (i from vstart to vl - 1) XOR RoundKeyB[0]; else aes_subword_fwd(aes_rotword(CurrentRoundKey[3])) XOR aes_decode_rcon(r) XOR CurrentRoundKey[0] let w[1] : bits(32) rev8(w4i); let w1 = : bits(32) = 0; let S : bits(32) = ic2[31..24] @ ic3[23..16] @ ic0[15.. 8] @ ic3[ 7.. 0]; let oc3 : bits(32) -> bits(32) function aes_mixcolumn_byte_inv(so) = { foreach (i from eg_start to eg_len-1) { let oc0 : bits(32) = aes_mixcolumn_fwd(aes_get_column(x, 2)); let oc3 : bits(32) = aes_get_column(x, 0); let oc0 : bits(32) = w[1] XOR CurrentRoundKey[2] let w[3] : bits(32) = aes_mixcolumn_fwd(aes_get_column(x, 2)); let oc3 : bits(32) = ROL32(ROL32(A, 12) + E + ROL32(T_j(j), j % 32), 7); let ss2 : bits(32) ROL32(F, 19); F = E; let E1 : bits(32) = 0; let rk1 : bits(32) -> bits(32) function ROL32(x,n) = (X << N) | (X >> (32 - shamt)); X(rd) = EXTS(result); RETIRE_SUCCESS } Included in Extension Minimum version Lifecycle state Zba (Address generation instructions) 0.93 Ratified 29.5.2. andn 29.5.3. bclr 29.5.4. bclri Synopsis Single-Bit Clear (Register) ✓ ✓ brev8 Reverse
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