.extInstruction custom0, 0x07, 0x1a, SUFFIX_COND|SUFFIX_FLAG, SYNTAX_3OP .extInstruction custom1, 0x07, 0x1b, SUFFIX_FLAG, SYNTAX_2OP .extCoreRegister mlx, 57, r|w, can_shortcut .extCondCode tst, 0x10 .extAuxRegister aux_test, 0x41, r|w custom0.tst mlx,mlx,r0 custom1 mlx,r0 lr r0, [aux_test]