Method and apparatus for handling faults of vector...

Details Method and apparatus for handling faults of vector... Method and apparatus for handling faults of vector...

G - Physics

06

F

354/222

G06F 9/44 (2006.01) G06F 9/46 (2006.01) G06F 11/34 (2006.01)

Patent

CA 1323437

ABSTRACT OF THE DISCLOSURE A data processing system handles memory management exceptions caused by a faulting vector instruction in a vector processor by halting the execution of the faulting vector in- struction being executed when the exception occurred and by setting the state information for the vector processor to acknowledge the presence of the exception and to include informa- tion about the suboperation of the vector instruction being exe- cuted when the exception occurred. The scalar processor is not interrupted at this time, however. Any other vector instructions executing simultaneously with the faulting vector instruction are allowed to continue so long as those instructions do not require data from the faulting instruction. The faulting partially com- pleted vector instruction resumes execution after the operating system has processed the memory management exception.

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