cpabort
Copy-Paste Abort
cpabort
Aborts any in-progress copy-paste operation, discarding any pending copy target set by a previous Copy instruction.
Encoding
Binary Layout
31
0:5
/
6:10
/
11:15
/
16:20
838
21:30
Rc
31
Operands
Related
More in Base
Reference
View in PowerISA v3.1C Specification ↗
OPF Power ISA v3.1C
Description
Aborts any in-progress copy-paste operation initiated by a previous Copy instruction, discarding the pending copy buffer and resetting the copy-paste state. This is a privileged Base instruction that has no operands and does not modify any condition or status registers.
Operation
CopyPasteState ← ABORTProgramming Note
Use cpabort to safely terminate an ongoing copy-paste sequence, preventing any subsequent paste operations from completing with the reserved data. This is useful in error handling scenarios where a copy operation needs to be aborted without allowing further processing of the copied data. Ensure that cpabort is called at the appropriate privilege level and consider its impact on performance if used frequently.