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armasm can issue a warning when it assembles a T32 instruction to a 32-bit encoding when it could have used a 16-bit encoding.
If you use the
.W specifier, the instruction
is encoded in 32 bits even if it could be encoded in 16 bits. You can use a diagnostic
warning to detect when a branch instruction could have been encoded in 16 bits, but has been
encoded in 32 bits. To do this, use the
--diag_warning 1607 command-line option when