This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/62006] Bad code generation with -O3 (possibly due to -ftree-partial-pre)
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 04 Aug 2014 12:13:07 +0000
- Subject: [Bug tree-optimization/62006] Bad code generation with -O3 (possibly due to -ftree-partial-pre)
- Auto-submitted: auto-generated
- References: <bug-62006-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62006
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Btw, points-to handles this conservatively, so -fno-tree-pta isn't a real fix
either. We didn't yet spot the real bogus transform.
But indeed makes sure you are computing differences within one arena only.