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From: "tschwinge at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/107342] New: Optimization opportunity where
 integer '/' corresponds to '>>'
Date: Fri, 21 Oct 2022 08:36:48 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: enhancement
X-Bugzilla-Who: tschwinge at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107342

            Bug ID: 107342
           Summary: Optimization opportunity where integer '/' corresponds
                    to '>>'
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: enhancement
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tschwinge at gcc dot gnu.org
                CC: aldyh at gcc dot gnu.org, amacleod at redhat dot com
  Target Milestone: ---

Created attachment 53742
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53742&action=3Dedit
variant of 'gcc.dg/tree-ssa/pr107195-3.c'

Discovered during work on "Add 'gcc.dg/tree-ssa/pr107195-3.c' [PR107195]"
(which is pending approval for push to master branch) an optimization
opportunity where integer '/' corresponds to '>>'.  See discussion in
<https://inbox.sourceware.org/gcc-patches/CAGm3qMV5_7hEED6_NKNAFaiE5dFXapsr=
RGEd_MAqNiSsF15nmw@mail.gmail.com>
about 'f4b'/'foo4b', and the "variant of 'gcc.dg/tree-ssa/pr107195-3.c'"
attached here.=