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RET

Return from subroutine branches unconditionally to an address in a register, with a hint that this is a subroutine return.

313029282726252423222120191817161514131211109876543210
1101011001011111000000Rn00000
ZopAMRm

Integer

RET {<Xn>}

integer n = UInt(Rn);

Assembler Symbols

<Xn>

Is the 64-bit name of the general-purpose register holding the address to be branched to, encoded in the "Rn" field. Defaults to X30 if absent.

Operation

bits(64) target = X[n];

BranchTo(target, BranchType_RET);

Operational information

If PSTATE.DIT is 1:

  • The execution time of this instruction is independent of:
    • The values of the data supplied in any of its registers.
    • The values of the NZCV flags.
  • The response of this instruction to asynchronous exceptions does not vary based on:
    • The values of the data supplied in any of its registers.
    • The values of the NZCV flags.
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