This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/66299] more optimize oppotunity
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 28 May 2015 10:27:39 +0000
- Subject: [Bug tree-optimization/66299] more optimize oppotunity
- Auto-submitted: auto-generated
- References: <bug-66299-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66299
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I have some patch now, we'll see.
There are some more things to optimize, e.g. "if ((1 << x) == 3)" can't ever be
true, yet we fail to optimize it to "if (0)".