This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/57326] Piecewise folding of operations on PHI nodes
- 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: Tue, 21 May 2013 09:21:42 +0000
- Subject: [Bug tree-optimization/57326] Piecewise folding of operations on PHI nodes
- Auto-submitted: auto-generated
- References: <bug-57326-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57326
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2013-05-21
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. Something for tree-ssa-phiopt.c. PRE likely also computes this
but does not transform (for some reason). Ah, it produces the first bit here
translating _8 = _7 | _14 doesn't produce the desired result (too complex).