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MOVS (unpredicated)

Move predicate (unpredicated), setting the condition flags.

Read all elements from the source predicate and place in the destination predicate. This instruction is unpredicated. Sets the First (N), None (Z), !Last (C) condition flags based on the predicate result, and the V flag to zero.

This is an alias of ORR, ORRS (predicates). This means:

313029282726252423222120191817161514131211109876543210
001001011100Pm01Pg0Pn0Pd
S

MOVS <Pd>.B, <Pn>.B

is equivalent to

ORRS <Pd>.B, <Pn>/Z, <Pn>.B, <Pn>.B

and is the preferred disassembly when S == '1' && Pn == Pm && Pm == Pg.

Assembler Symbols

<Pd>

Is the name of the destination scalable predicate register, encoded in the "Pd" field.

<Pn>

Is the name of the first source scalable predicate register, encoded in the "Pn" field.

Operation

The description of ORR, ORRS (predicates) gives the operational pseudocode for this instruction.

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.