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aa64_shift_logimm_alias.s (601B)

      1 .text
      2 t:
      3   # Logical bitmask-immediate forms (AND/ORR/EOR/ANDS Rd, Rn, #imm). The
      4   # disassembler prints these for the logical-immediate encodings, so the
      5   # assembler must parse them back for `cc -S | as` to round-trip.
      6   and x14, x13, #0xff
      7   and w15, w15, #0xff
      8   and w8, w9, #0x1
      9   orr w0, w1, #0xf0
     10   eor w2, w3, #0xf0
     11   ands x4, x5, #0x3
     12   # Immediate shift aliases (UBFM/SBFM underneath).
     13   lsl w17, w17, #4
     14   lsr w8, w9, #8
     15   lsl x8, x9, #3
     16   asr w4, w5, #2
     17   # Register (variable) shift aliases — same encodings as lslv/lsrv/asrv.
     18   lsl w0, w1, w2
     19   lsr x3, x4, x5
     20   asr w6, w7, w8
     21   ret