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CFINV

Invert Carry Flag. This instruction inverts the value of the PSTATE.C flag.

System
(Armv8.4)

313029282726252423222120191817161514131211109876543210
11010101000000000100(0)(0)(0)(0)00011111
CRm

System

CFINV

if !HaveFlagManipulateExt() then UNDEFINED;

Operation

PSTATE.C = NOT(PSTATE.C);

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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