On Thu, Mar 17, 2016 at 5:31 PM, Robin Dapp wrote:
> The attached patch is a first and somewhat hideous attempt to fix the
> missed optimization discussed here:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526
>
> where (paraphrasing) a spurious
> n = n - 1
> n = (sizetype) n
> n = n + 1
> is
The attached patch is a first and somewhat hideous attempt to fix the
missed optimization discussed here:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526
where (paraphrasing) a spurious
n = n - 1
n = (sizetype) n
n = n + 1
is being created.
The patch tries to avoid this on tree level as well a