Bitwise Insert if False. This instruction inserts each bit from the first source SIMD&FP register into the destination SIMD&FP register if the corresponding bit of the second source SIMD&FP register is 0, otherwise leaves the bit in the destination register unchanged.
Depending on the settings in the CPACR_EL1, CPTR_EL2, and CPTR_EL3 registers, and the current Security state and Exception level, an attempt to execute the instruction might be trapped.
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 | Q | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | Rm | 0 | 0 | 0 | 1 | 1 | 1 | Rn | Rd | ||||||||||||
opc2 |
integer d = UInt(Rd); integer n = UInt(Rn); integer m = UInt(Rm); integer esize = 8; integer datasize = if Q == '1' then 128 else 64; integer elements = datasize DIV esize; VBitOp op; case opc2 of when '00' op = VBitOp_VEOR; when '01' op = VBitOp_VBSL; when '10' op = VBitOp_VBIT; when '11' op = VBitOp_VBIF;
<Vd> |
Is the name of the SIMD&FP destination register, encoded in the "Rd" field. |
<T> |
Is an arrangement specifier,
encoded in
|
<Vn> |
Is the name of the first SIMD&FP source register, encoded in the "Rn" field. |
<Vm> |
Is the name of the second SIMD&FP source register, encoded in the "Rm" field. |
CheckFPAdvSIMDEnabled64(); bits(datasize) operand1; bits(datasize) operand2; bits(datasize) operand3; bits(datasize) operand4 = V[n]; case op of when VBitOp_VEOR operand1 = V[m]; operand2 = Zeros(); operand3 = Ones(); when VBitOp_VBSL operand1 = V[m]; operand2 = operand1; operand3 = V[d]; when VBitOp_VBIT operand1 = V[d]; operand2 = operand1; operand3 = V[m]; when VBitOp_VBIF operand1 = V[d]; operand2 = operand1; operand3 = NOT(V[m]); V[d] = operand1 EOR ((operand2 EOR operand4) AND operand3);
If PSTATE.DIT is 1:
Internal version only: isa v33.11seprel, AdvSIMD v29.05, pseudocode v2021-09_rel, sve v2021-09_rc3d ; Build timestamp: 2021-10-06T11:41
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