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Depending on the language, an explicit assignment sign may be used in place of the equal sign (and some languages require the word int even in the numerical case). An optional step-value (an increment or decrement ≠ 1) may also be included, although the exact syntaxes used for this differ a bit more between the languages.
a Count-controlled looping is effected by iteration across an integer interval; early exit by including an additional condition for exit. a Eiffel supports a reserved word retry, however it is used in exception handling, not loop control. a Requires Java Modeling Language (JML) behavioral interface specification language.
This only requires 4–6 bytes, but can only set LTx and LBx within a limited range relative to where the loop setup instruction is located. P0 = array + 396 ; R0 = 100 ; LC0 = R0 ; LOOP my_loop LC0 ; // sets LT0 and LB0 LOOP_BEGIN my_loop ; // pseudo-instruction; generates a label used to compute LT0 // LC0 cannot be written directly to memory ...
When a statement in one iteration of a loop depends in some way on a statement in a different iteration of the same loop, a loop-carried dependence exists. [1] [2] [3] However, if a statement in one iteration of a loop depends only on a statement in the same iteration of the loop, this creates a loop independent dependence. [1] [2] [3]
A control loop is the fundamental building block of control systems in general and industrial control systems in particular. It consists of the process sensor, the controller function, and the final control element (FCE) which controls the process necessary to automatically adjust the value of a measured process variable (PV) to equal the value of a desired set-point (SP).
Some languages may use a different naming convention for this type of loop. For example, the Pascal and Lua languages have a "repeat until" loop, which continues to run until the control expression is true and then terminates. In contrast a "while" loop runs while the control expression is true and terminates once the expression becomes false.
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Control hazards are caused by conditional and unconditional branching. The classic RISC pipeline resolves branches in the decode stage, which means the branch resolution recurrence is two cycles long.