The browser version you are using is not recommended for this site.
Please consider upgrading to the latest version of your browser by clicking one of the following links.

Support

Intel® Architecture (IA) Floating-Point Unit (FPU) Exception Handlers for Processors


Last Reviewed: 18-Feb-2016
Article ID: 000008173

Floating Point Unit (FPU) exception handler information for Intel® processors is available in the following documents:

Application note AP-578, Software and Hardware Considerations for FPU Exception Handlers for Intel® Architecture Processors, Intel® Document #243291. This application note provides information to help software engineers write the most robust Floating-Point Unit (FPU) exception handlers possible.

Also see the Intel® Pentium® Processor Family Developer's Manual, Volume 3, Intel® Document #241430, contains three chapters about programming the floating point unit, including one chapter dedicated to programming examples.

Also see the Intel® Architecture Software Developer's Manual, Volume 1: Basic Architecture, Intel® Document #243190, Chapter 7 and Appendix C.