Re: Miscompilation of remainder expressions

[Robert Dewar]

Morten Welinder wrote:

For sure a/b is undefined

In C, it is.  In assembler it is perfectly well defined, i.e., it
traps.  But how is the
trap handler supposed to know the source of a given instruction?

M.

Sure it traps, but what happens when that trap occurs is of course
O/S dependent, there is no guarantee of the effect.