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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug ada/65519] [5 regression] unable to coalesce ssa_names 2 and 87 which are marked as MUST COALESCE Date: Mon, 23 Mar 2015 14:27:00 -0000 [thread overview] Message-ID: <bug-65519-4-2ijCSZfeBn@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-65519-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65519 --- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- It's forwprop4 propagating an abnormal SSA name: <bb 5>: [...] I.3_30(ab) = I.3_1 + 1; _31 = (interfaces__unsigned_32) I.3_30(ab); [...] <bb 13>: _43 = v.P_ARRAY; _45 = (sizetype) _31; is changed into: <bb 13>: _43 = v.P_ARRAY; _71 = I.3_30(ab) & 4294967295; but I.3_87(ab) is live in BB 13.
next prev parent reply other threads:[~2015-03-23 14:06 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-03-23 5:21 [Bug ada/65519] New: Unable to coalesce ssa_names 2 and 87 which are marked as MUST COALESCE if ZCX_By_Default is set False syq at debian dot org 2015-03-23 5:27 ` [Bug ada/65519] " syq at debian dot org 2015-03-23 11:48 ` [Bug ada/65519] [5 regression] unable to coalesce ssa_names 2 and 87 which are marked as MUST COALESCE ebotcazou at gcc dot gnu.org 2015-03-23 11:54 ` ebotcazou at gcc dot gnu.org 2015-03-23 12:21 ` ebotcazou at gcc dot gnu.org 2015-03-23 14:27 ` ebotcazou at gcc dot gnu.org [this message] 2015-03-23 16:47 ` ebotcazou at gcc dot gnu.org 2015-03-23 19:34 ` ebotcazou at gcc dot gnu.org 2015-03-24 9:48 ` [Bug tree-optimization/65519] " rguenth at gcc dot gnu.org 2015-03-24 10:07 ` ebotcazou at gcc dot gnu.org 2015-03-24 10:10 ` ebotcazou at gcc dot gnu.org 2015-03-24 10:12 ` rguenth at gcc dot gnu.org 2015-03-24 10:13 ` ebotcazou at gcc dot gnu.org 2015-03-24 10:29 ` rguenther at suse dot de 2015-03-25 8:54 ` [Bug middle-end/65519] " rguenth at gcc dot gnu.org 2015-03-25 9:02 ` rguenth at gcc dot gnu.org 2015-03-26 10:55 ` rguenth at gcc dot gnu.org
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