------- Additional Comments From rth at gcc dot gnu dot org 2005-02-01 20:20 ------- Subject: Re: [4.0 Regression] A side effect is missed in 0 % a++.
On Tue, Feb 01, 2005 at 07:49:16AM -0700, Jeffrey A Law wrote: > Would would mean that we really can't do anything with DIV/MOD when > the numerator is a constant and the denominator is an unknown. Correct. > What I think we really want is to know whether or not the language > requires trapping on a DIV/MOD by zero. If so, then disable this class > of optimizations, otherwise we have a non-conformant program. True. r~ -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19723
