Two slightly different syntaxes are support for ARM and THUMB instructions. The default,
, uses the old style where ARM and THUMB instructions had their own, separate syntaxes. The new,
syntax, which can be selected via the
directive, and has the following main features:
ITinstruction may appear, and if it does it is validated against subsequent conditional affixes. In ARM mode it does not generate machine code, in THUMB mode it does.
.Wsuffixes are recognized and honored.