------- Additional Comments From dberlin at gcc dot gnu dot org 2005-02-09
03:42 -------
Subject: Re: New: Missing DSE/malloc/free
optimization
> void *malloc(__SIZE_TYPE__);
> void free(void*);
> int f(void)
> {
> char *i = malloc(1);
> *i = 1;
> free (i);
> }
>
> This is something which is useful when we want to much higer level
> optimizations.
This would require an attribute free, which is on the tree-profiling
branch
Otherwise, you wouldn't know that free is really "free"
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19831
