as: D30V-Guarded
9.11.2.4 Guarded Execution
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'as' supports the full range of guarded execution directives for each
instruction. Just append the directive after the instruction proper.
The directives are:
'/tx'
Execute the instruction if flag f0 is true.
'/fx'
Execute the instruction if flag f0 is false.
'/xt'
Execute the instruction if flag f1 is true.
'/xf'
Execute the instruction if flag f1 is false.
'/tt'
Execute the instruction if both flags f0 and f1 are true.
'/tf'
Execute the instruction if flag f0 is true and flag f1 is false.