14 Feb
2008
14 Feb
'08
10:30 p.m.
On 15 Feb 2008, at 2:03 am, Wilhelm B. Kloke wrote: IMHO it is a perfectly good idea to use the FP processor for integer
computations. You can use the Inexact Trap as Overflow Exception, a service you don't get from i386 (and most other) hardware for int operations.
A neat idea. However, the i386 has the INTO instruction, the SPARC family has the TRAPV instruction, and other processors have analogues. Some machines have two sets of add/subtract instructions, one trapping, one not.