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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)
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.
[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 ...
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
Unconditional branch. Add languages. Add links. ... Download as PDF; Printable version ... Appearance. move to sidebar hide. From Wikipedia, the free encyclopedia ...
The control table entries are then much more similar to conditional statements in procedural languages but, crucially, without the actual (language dependent) conditional statements (i.e. instructions) being present (the generic code is physically in the interpreter that processes the table entries, not in the table itself – which simply ...
Branch prediction attempts to guess whether a conditional jump will be taken or not. Branch target prediction attempts to guess the target of a taken conditional or unconditional jump before it is computed by decoding and executing the instruction itself. Branch prediction and branch target prediction are often combined into the same circuitry.