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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/109184] [10/11/12/13 Regression] csmith: 2017 bug with -floop-interchange Date: Mon, 20 Mar 2023 12:46:26 +0000 [thread overview] Message-ID: <bug-109184-4-YTVkZQGOuw@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-109184-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109184 --- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> --- I've tried to deobfuscate the innermost loop's body: int32_t l_1942 = (-3L); int32_t *****l_1947 = &l_1946[0][6]; int i, j; uint64_t t1 = --l_1930[g_1179]; t1 += 0xFC07342370A5FE25ULL; t1 &= 38; uint64_t t2 = (g_1731[l_1719 + 1][l_1721] &= t1); l_1942 ^= (t2 + 4ULL <= p_5.f0); l_1943[0][1][1]++; int32_t ****t3 = l_1946[0][6]; *l_1947 = t3; l_1949 = t3 == g_1948;
next prev parent reply other threads:[~2023-03-20 12:46 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-03-18 11:21 [Bug c/109184] New: csmith: really old bug with -O3 dcb314 at hotmail dot com 2023-03-18 11:33 ` [Bug c/109184] " dcb314 at hotmail dot com 2023-03-18 12:27 ` dcb314 at hotmail dot com 2023-03-18 12:42 ` dcb314 at hotmail dot com 2023-03-18 15:49 ` [Bug tree-optimization/109184] [10/11/12/13 Regression] " jakub at gcc dot gnu.org 2023-03-20 9:20 ` [Bug tree-optimization/109184] [10/11/12/13 Regression] csmith: 2017 bug with -floop-interchange rguenth at gcc dot gnu.org 2023-03-20 10:34 ` rguenth at gcc dot gnu.org 2023-03-20 10:58 ` rguenth at gcc dot gnu.org 2023-03-20 12:39 ` rguenth at gcc dot gnu.org 2023-03-20 12:46 ` jakub at gcc dot gnu.org [this message] 2023-03-20 12:50 ` rguenth at gcc dot gnu.org 2023-03-20 13:00 ` rguenth at gcc dot gnu.org 2023-03-20 13:09 ` acoplan at gcc dot gnu.org 2023-03-21 12:38 ` rguenth at gcc dot gnu.org 2023-03-27 7:31 ` rguenth at gcc dot gnu.org 2023-07-07 10:45 ` [Bug tree-optimization/109184] [11/12/13/14 " rguenth at gcc dot gnu.org 2023-11-14 12:44 ` rguenth at gcc dot gnu.org
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