This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable
- 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: Thu, 31 Mar 2016 08:10:10 +0000
- Subject: [Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable
- Auto-submitted: auto-generated
- References: <bug-70467-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Target| |i?86-*-*
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-03-31
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
can't reproduce with sth simpler. But confirmed, with plain -O2 -m32.
Probably
to do with splitting wide types (or not doing that in this case).