On Sunday 08 May 2005 22:19, Richard Henderson wrote:
> On Sun, May 08, 2005 at 10:06:04PM +0200, Steven Bosscher wrote:
> > A test case that shows what is going on is this:
> >
> > extern char *x;
> > void
> > foo (char *a, char *b)
> > {
> > if (!x)
> > x = a;
> > else
> > x = b;
> > }
>
> This test case doesn't show anything. .04.cse merges all the high parts
> of x, and none of the gcse passes do anything. Unless you're working with
> some modified tree?
Oops. Not a modified tree, non-standard command line options:
-O -fgcse --param max-cse-path-length=1
Gr.
Steven
