E-28
GUIDELINES FOR WRITING FPU EXCEPTIONS HANDLERS
save little code, it would be a reasonable and conservative habit (as long as the MS-DOS com-
patibility mode is widely used) to include these steps in all systems.
Note that the special DP (Dual Processing) mode for Pentium
®
Processors, and also the more
general Intel MultiProcessor Specification for systems with multiple Pentium
®
or P6 family pro-
cessors, support FPU exception handling only in the native mode. Intel does not recommend us-
ing the MS-DOS compatibility mode for systems using more than one processor.
