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Arm Compiler armasm User Guide : --report-if-not-wysiwyg


Instructs armasm to report when it outputs an encoding that was not directly requested in the source code.

This can happen when armasm:

  • Uses a pseudo-instruction that is not available in other assemblers, for example MOV32.

  • Outputs an encoding that does not directly match the instruction mnemonic, for example if the assembler outputs the MVN encoding when assembling the MOV instruction.

  • Inserts additional instructions where necessary for instruction syntax semantics, for example armasm can insert a missing IT instruction before a conditional T32 instruction.


Not supported for AArch64 state.