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[Bug tree-optimization/31029] missed optimization
- From: "jv244 at cam dot ac dot uk" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Jun 2007 04:08:23 -0000
- Subject: [Bug tree-optimization/31029] missed optimization
- References: <bug-31029-6642@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from jv244 at cam dot ac dot uk 2007-06-21 04:08 -------
> If igmin is -huge(0), (1-ig) can wrap, so ig2 might eventually be equal to ig,
> no? (although I agree for wrapping arithmetic, it will never be the case)
in Fortran 1-ig can't overflow (unless the program is undefined), but I'm sure
you know...
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31029