public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/52678] internal compiler error: in vect_update_ivs_after_vectorizer, at tree-vect-loop-manip.c:1842 Date: Fri, 23 Mar 2012 09:30:00 -0000 [thread overview] Message-ID: <bug-52678-4-IbOwM95mxK@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-52678-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52678 --- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-03-23 09:06:32 UTC --- I can reproduce the ICE, it's one of the more fragile areas of the vectorizer... Reduced testcase, ICEs at -O -ftree-vectorize -ffixed-form: SUBROUTINE OpenAD_set_ref_state(DRF, RHOFACF, RHOFACC) real(8) DRF(1 : 15) real(8) RHOFACF(1 : 16) real(8) RHOFACC(1 : 15) integer, dimension(:), allocatable :: oad_it integer :: oad_it_ptr INTEGER(8) OpenAD_Symbol_188 INTEGER(4) K OpenAD_Symbol_188 = 0 DO K = 2, 15, 1 RHOFACF(INT(K)) = ((RHOFACC(K) * DRF(K + (-1)) + RHOFACC(K + + (-1)) * DRF(K)) /(DRF(K) + DRF(K + (-1)))) OpenAD_Symbol_188 = (INT(OpenAD_Symbol_188) + INT(1)) END DO oad_it(oad_it_ptr) = OpenAD_Symbol_188 end subroutine OpenAD_set_ref_state
next prev parent reply other threads:[~2012-03-23 9:07 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-03-22 21:45 [Bug tree-optimization/52678] New: " utke at mcs dot anl.gov 2012-03-23 7:38 ` [Bug tree-optimization/52678] " rguenth at gcc dot gnu.org 2012-03-23 9:30 ` rguenth at gcc dot gnu.org [this message] 2012-03-23 9:33 ` rguenth at gcc dot gnu.org 2012-03-23 10:30 ` rguenth at gcc dot gnu.org 2012-03-23 11:40 ` [Bug tree-optimization/52678] [4.7 Regression] " rguenth at gcc dot gnu.org 2012-03-23 12:33 ` rguenth at gcc dot gnu.org 2012-04-03 10:14 ` rguenth at gcc dot gnu.org 2012-04-03 11:57 ` rguenth at gcc dot gnu.org 2012-04-03 12:00 ` rguenth at gcc dot gnu.org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-52678-4-IbOwM95mxK@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).