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From: "falk at debian dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/24001] New: Simple redundancy not eliminated Date: Wed, 21 Sep 2005 16:06:00 -0000 [thread overview] Message-ID: <20050921160417.24001.falk@debian.org> (raw) For this code: int f(int *ptr, int t) { if (t) return *ptr; else return *ptr; } the jump is not eliminated: f: beq $17,$L2 ldl $0,0($16) ret $L2: ldl $0,0($16) ret This used to work with 2.95 (not sure whether that still counts as regression...), but not with 3.3, 3.4, 4.0, or 4.1.0 20050915. -- Summary: Simple redundancy not eliminated Product: gcc Version: 4.1.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: normal Priority: P2 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: falk at debian dot org CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: alpha-linux-gnu GCC host triplet: alpha-linux-gnu GCC target triplet: alpha-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24001
next reply other threads:[~2005-09-21 16:06 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2005-09-21 16:06 falk at debian dot org [this message] 2005-09-21 16:32 ` [Bug tree-optimization/24001] " pinskia at gcc dot gnu dot org 2005-09-22 8:31 ` rguenth at gcc dot gnu dot org 2005-09-22 18:40 ` Daniel Berlin 2005-09-22 18:40 ` dberlin at dberlin dot org 2005-09-25 4:31 ` pinskia at gcc dot gnu dot org
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