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From: "kazu at cs dot umass dot edu" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/14752] [tree-ssa] "~a" should be changed to "a" if used in the condition of an if statement Date: Sat, 15 May 2004 23:36:00 -0000 [thread overview] Message-ID: <20040515115532.13123.qmail@sourceware.org> (raw) In-Reply-To: <20040327144535.14752.kazu@cs.umass.edu> ------- Additional Comments From kazu at cs dot umass dot edu 2004-05-15 11:55 ------- As of today, the last tree-ssa form looks like: ;; Function foo (foo) foo (a) { _Bool T.2; unsigned int T.1; unsigned int T.0; <bb 0>: T.0_2 = a_1 >> 2; T.1_3 = T.0_2 & 1; if (T.1_3 != 0) goto <L0>; else goto <L1>; <L0>:; bar () [tail call]; <L1>:; return; } ;; Function baz (baz) baz (a) { _Bool T.6; unsigned int T.5; unsigned int T.4; unsigned int T.3; <bb 0>: T.3_2 = ~a_1; T.4_3 = T.3_2 >> 2; T.5_4 = T.4_3 & 1; if (T.5_4 != 0) goto <L0>; else goto <L1>; <L0>:; bar () [tail call]; <L1>:; return; } Note that the casts to _Bool are gone. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14752
next prev parent reply other threads:[~2004-05-15 11:55 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2004-03-27 14:45 [Bug optimization/14752] New: " kazu at cs dot umass dot edu 2004-03-27 15:45 ` [Bug optimization/14752] " pinskia at gcc dot gnu dot org 2004-04-04 7:34 ` pinskia at gcc dot gnu dot org 2004-04-05 23:36 ` kazu at cs dot umass dot edu 2004-05-15 23:36 ` kazu at cs dot umass dot edu [this message] 2004-05-24 20:31 ` [Bug tree-optimization/14752] " pinskia at gcc dot gnu dot org 2005-02-18 12:31 ` phython at gcc dot gnu dot org [not found] <bug-14752-5009@http.gcc.gnu.org/bugzilla/> 2006-02-28 18:24 ` pinskia at gcc dot gnu dot org 2006-02-28 18:28 ` patchapp at dberlin dot org 2006-02-28 21:40 ` sayle at gcc dot gnu dot org 2006-02-28 22:20 ` pinskia at gcc dot gnu dot org [not found] <bug-14752-4@http.gcc.gnu.org/bugzilla/> 2014-10-31 4:02 ` pinskia at gcc dot gnu.org
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