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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/80928] SLP vectorization does not handle induction in outer loop vectorization Date: Tue, 27 Oct 2020 11:52:41 +0000 [thread overview] Message-ID: <bug-80928-4-6ALgAhHJfb@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-80928-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80928 --- Comment #31 from Richard Biener <rguenth at gcc dot gnu.org> --- The following is a testcase triggering the /* FORNOW: outer loop induction with SLP not supported. */ if (STMT_SLP_TYPE (stmt_info)) return false; test: double image[40]; void foo (void) { for (int i = 0; i < 20; i++) { double suma = 0; double sumb = 0; for (int j = 0; j < 40; j++) { suma += j+i; sumb += j+i; } image[2*i] = suma; image[2*i+1] = sumb; } }
next prev parent reply other threads:[~2020-10-27 11:52 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-80928-4@http.gcc.gnu.org/bugzilla/> 2020-10-19 10:05 ` asolokha at gmx dot com 2020-10-19 12:16 ` rguenth at gcc dot gnu.org 2020-10-19 12:39 ` rguenth at gcc dot gnu.org 2020-10-19 15:37 ` rguenth at gcc dot gnu.org 2020-10-27 11:52 ` rguenth at gcc dot gnu.org [this message] 2020-11-03 12:33 ` cvs-commit at gcc dot gnu.org 2020-11-03 12:41 ` rguenth at gcc dot gnu.org
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