SHA1 schedule update 0.
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 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | Rm | 0 | 0 | 1 | 1 | 0 | 0 | Rn | Rd | ||||||||||||
size | opcode |
integer d = UInt(Rd); integer n = UInt(Rn); integer m = UInt(Rm); if !IsFeatureImplemented(FEAT_SHA1) then UNDEFINED;
<Vd> |
Is the name of the SIMD&FP source and destination register, encoded in the "Rd" field. |
<Vn> |
Is the name of the second SIMD&FP source register, encoded in the "Rn" field. |
<Vm> |
Is the name of the third SIMD&FP source register, encoded in the "Rm" field. |
AArch64.CheckFPAdvSIMDEnabled(); bits(128) operand1 = V[d, 128]; bits(128) operand2 = V[n, 128]; bits(128) operand3 = V[m, 128]; bits(128) result; result = operand2<63:0>:operand1<127:64>; result = result EOR operand1 EOR operand3; V[d, 128] = result;
If PSTATE.DIT is 1:
Internal version only: aarchmrs v2024-03_relA, pseudocode v2024-03_rel, sve v2024-03_rel ; Build timestamp: 2024-03-26T09:45
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