test-and-branch, if a predicate mask is all zeros a large batch of
instructions may be masked out to `nop`, and it would waste
CPU cycles to run them. 3D GPU ISAs can test for this scenario
-and jump over fully-masked-out operations, by spotting that
+and, with the appropriate predicate-analysis instruction,
+jump over fully-masked-out operations, by spotting that
*all* Conditions are false.
Unless Branches are aware and capable of such analysis, additional