PROBLEM TO BE SOLVED: To provide a computer program, a system and a method for executing machine instructions in a computing environment. A conditional instruction termination facility is provided that can delay instruction completion. In execution of a machine instruction, an operand is obtained and it is determined whether the operand has a predetermined relationship with a value. The acquisition and determination are repeated based on the fact that the operand does not have a predetermined relationship with the value. Execution of the instruction is completed based on determining that the operand has a predetermined relationship to the value. Obtaining an operand, determining whether the operand has a predetermined relationship to the value, acquiring based on determining that the operand does not have a predetermined relationship to the value, and Based on repeating the determination and determining that the operand has a predetermined relationship to the value, completing the execution of the instruction is performed as part of a single instruction having an opcode. [Selection] FIG.
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