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; Most architectures will transform the index in some way before ; adding it to the program counter. table; The branch table begins here with this label goto index_zero; each of these goto instructions is an unconditional branch goto index_one; of code. goto index_two goto index_three index_zero; Code is added here to perform whatever action is ...
Continuation at a different statement (unconditional branch or jump) Executing a set of statements only if some condition is met (choice - i.e., conditional branch) Executing a set of statements zero or more times, until some condition is met (i.e., loop - the same as conditional branch)
[a] Branch (or branching, branched) may also refer to the act of switching execution to a different instruction sequence as a result of executing a branch instruction. Branch instructions are used to implement control flow in program loops and conditionals (i.e., executing a particular sequence of instructions only if certain conditions are ...
Conditional branching statements allow a sequence of statements to be executed only if some condition is met. Otherwise, the statements are skipped and the execution sequence continues from the statement following them. Unconditional branching statements allow an execution sequence to be transferred to another part of a program.
This option allows you to see how often each branch in your program was taken. Unconditional branches will not be shown, unless the -u option is given.-c (--branch-counts): Write branch frequencies as the number of branches taken, rather than the percentage of branches taken.-n (--no-output): Do not create the gcov output file.
c 1-c 6 – these six control bits specify the operands and computation to be performed by the ALU d 1-d 3 – these three bits specify the destination(s) for storing the current ALU output j 1-j 3 – these three bits specify an arithmetic branch condition, an unconditional branch (jump), or no branching
A combination of state variables and structured control, notably an overall switch statement, can allow a subroutine to resume execution at an arbitrary point on subsequent calls, and is a structured alternative to goto statements in the absence of coroutines; this is a common idiom in C, for example.
Consequently, for a subleq instruction (a, b, c), the program interprets a < 0, b < 0, or an executed branch to c < 0 as a halting condition. Similar interpreters written in a subleq -based language (i.e., self-interpreters , which may use self-modifying code as allowed by the nature of the subleq instruction) can be found in the external links ...