| 摘要 |
A processing circuit 4 is responsive to at least one conditional instruction to perform a conditional operation in dependence on a current value of a subset of at least one condition flag 22. A trace circuit 6 is provided for generating trace data elements indicative of operations performed by the processing circuit 4. When the processing circuit 4 processes at least one selected instruction, then the trace circuit 6 generates a trace data clement including a traced condition value indicating at least the subset of condition flags 22 required to determine the outcome of the conditional instruction. A corresponding diagnostic apparatus 12 uses the traced condition value to determine a processing outcome of the at least one conditional instruction. The generation of the traced condition value, and its contents, may be dependent on the presence of one or more control flags 26, which may be associated with an individual condition flag. |
