From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9614F3986409; Thu, 17 Nov 2022 11:45:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9614F3986409 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1668685556; bh=ZsHUOZxc9zjMHP7s6sx+8f38NplcfsnJtAo/wE7n2yI=; h=From:To:Subject:Date:From; b=f8F/rjvc5Pi0T2G1vXwQN5HHMOlXDcPFVqh4DgyFfd1pDw5Ckc2wIYzD8+uOdviAY 1s1ZMOwB9J2s0FXWbiCR1NKjUKobEw2lbGzOhxAGKghO5XWBthzb8S1ha2xRM8YBFb cf/ZsCi5e28n+q/dVaZ6MznYNjmub+bX93YERwlg= From: "dcb314 at hotmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/107734] New: valgrind error for gcc/testsuite/cc.target/i386/pr46051.c Date: Thu, 17 Nov 2022 11:45:56 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dcb314 at hotmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107734 Bug ID: 107734 Summary: valgrind error for gcc/testsuite/cc.target/i386/pr46051.c Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- I just built a valgrind version of today's gcc trunk.=20 When compiling source code file gcc.target/i386/pr46051.c, I got the following: $ ~/gcc/results.20221117.valgrind/bin/gcc -c -O2 ./gcc.target/i386/pr46051.c =3D=3D639651=3D=3D Conditional jump or move depends on uninitialised value(= s) =3D=3D639651=3D=3D at 0x11DFAE7: bitmap_set_bit (sbitmap.h:137) =3D=3D639651=3D=3D by 0x11DFAE7: gimple_simplify_122(gimple_match_op*, g= imple**, tree _node* (*)(tree_node*), tree_node*, tree_node**, tree_code) (gimple-match.cc:489 33) =3D=3D639651=3D=3D by 0x1154189: gimple_simplify_MULT_EXPR(gimple_match_= op*, gimple** , tree_node* (*)(tree_node*), code_helper, tree_node*, tree_node*, tree_nod= e*) ( gimple-match.cc:131594) =3D=3D639651=3D=3D by 0x10771D1: gimple_resimplify2(gimple**, gimple_mat= ch_op*, tree_ node* (*)(tree_node*)) (gimple-match-head.cc:323)=