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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/59049] Two VOIDmode constant in comparison passed to cstoresi4 Date: Mon, 11 Nov 2013 10:28:00 -0000 [thread overview] Message-ID: <bug-59049-4-VzfDyvCbLk@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-59049-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59049 --- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- That is, sth like Index: gcc/tree-ssa-ter.c =================================================================== --- gcc/tree-ssa-ter.c (revision 204664) +++ gcc/tree-ssa-ter.c (working copy) @@ -438,6 +439,12 @@ ter_is_replaceable_p (gimple stmt) && !is_gimple_val (gimple_assign_rhs1 (stmt))) return false; + /* Do not propagate "modeless" constants - we may end up confusing the RTL + expanders. Leave the optimization to RTL CCP. */ + if (gimple_assign_single_p (stmt) + && CONSTANT_CLASS_P (gimple_assign_rhs1 (stmt))) + return false; + return true; } return false;
next prev parent reply other threads:[~2013-11-11 10:28 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-11-08 13:16 [Bug middle-end/59049] New: " amylaar at gcc dot gnu.org 2013-11-08 16:27 ` [Bug middle-end/59049] " amylaar at gcc dot gnu.org 2013-11-08 16:56 ` amylaar at gcc dot gnu.org 2013-11-09 23:20 ` pinskia at gcc dot gnu.org 2013-11-11 10:13 ` amylaar at gcc dot gnu.org 2013-11-11 10:19 ` rguenth at gcc dot gnu.org 2013-11-11 10:28 ` rguenth at gcc dot gnu.org [this message] 2013-11-11 10:47 ` amylaar at gcc dot gnu.org 2013-11-11 18:58 ` amylaar at gcc dot gnu.org 2014-04-11 14:45 ` amylaar at gcc dot gnu.org
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