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MOV (predicate, predicated, merging)

Move predicates (merging).

Read active elements from the source predicate and place in the corresponding elements of the destination predicate. Inactive elements in the destination predicate register remain unmodified. Does not set the condition flags.

This is an alias of SEL (predicates). This means:

  • The encodings in this description are named to match the encodings of SEL (predicates).
  • The description of SEL (predicates) gives the operational pseudocode for this instruction.

313029282726252423222120191817161514131211109876543210
001001010000Pm01Pg1Pn1Pd
S

MOV <Pd>.B, <Pg>/M, <Pn>.B

is equivalent to

SEL <Pd>.B, <Pg>, <Pn>.B, <Pd>.B

and is the preferred disassembly when Pd == Pm.

Assembler Symbols

<Pd>

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

<Pg>

Is the name of the governing scalable predicate register, encoded in the "Pg" field.

<Pn>

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

Operation

The description of SEL (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 operand registers when its governing predicate register contains the same value for each execution.
    • 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 operand registers when its governing predicate register contains the same value for each execution.
    • The values of the NZCV flags.
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