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A branch table consists of a serial list of unconditional branch instructions that is branched into using an offset created by multiplying a sequential index by the instruction length (the number of bytes in memory occupied by each branch instruction).
[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 ...
Terminate indirect branch in 32-bit mode [b] 3 Tiger Lake: ENDBR64: F3 0F 1E FA: Terminate indirect branch in 64-bit mode [b] NOTRACK: 3E [c] Prefix used with indirect CALL/JMP near instructions (opcodes FF /2 and FF /4) to indicate that the branch target is not required to start with an ENDBR32/64 instruction. Prefix only honored when NO_TRACK ...
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)
«for index» «from first» «by increment» «to last» do statements od: APL:While condition statements:EndWhile:Repeat statements:Until condition:For var«s»:In list statements:EndFor:For var«s»:InEach list statements:EndFor: C instructions can be a single statement or a block in the form of: { statements}
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.
Additionally, an unconditional branch is provided as a seventh option. Because the comp field must always be supplied, even though the value is not required for the unconditional branch, the syntax of this instruction is given as “0;JMP”. The branch conditions supported are specified in the table above.
A snippet of C code which prints "Hello, World!". The syntax of the C programming language is the set of rules governing writing of software in C. It is designed to allow for programs that are extremely terse, have a close relationship with the resulting object code, and yet provide relatively high-level data abstraction.