public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "tobias dot burnus at physik dot fu-berlin dot de" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/32006] New: [Regression 4.3] ICE (segv) with Date: Sun, 20 May 2007 08:58:00 -0000 [thread overview] Message-ID: <bug-32006-1719@http.gcc.gnu.org/bugzilla/> (raw) Using test_fpu.f90 of the Polyhedron testsuite, http://www.polyhedron.co.uk/pb05/polyhedron_benchmark_suite.html, fails since 2007-05-15 (r124736) on x86_64-unknown-linux-gnu, 2007-05-14 (r124708) was still ok. Last tested: 2007-05-20 (r124860). The ICE occures with: gfortran -O3 -ftree-vectorize -ffast-math -funroll-loops test_fpu.f90 With -m32 the ICE does not occure. Running GCC through valgrind shows: ==30881== Conditional jump or move depends on uninitialised value(s) ==30881== at 0x7A2E38: vrp_evaluate_conditional_warnv (tree-vrp.c:4803) ==30881== by 0x7A34D9: vrp_evaluate_conditional (tree-vrp.c:4935) ==30881== by 0x76488B: substitute_and_fold (tree-ssa-propagate.c:1131) ==30881== by 0x79E418: vrp_finalize (tree-vrp.c:5914) ==30881== by 0x7A006A: execute_vrp (tree-vrp.c:6000) ==30881== by 0x609540: execute_one_pass (passes.c:1065) ==30881== by 0x6096FB: execute_pass_list (passes.c:1117) ==30881== by 0x60970D: execute_pass_list (passes.c:1118) ==30881== by 0x6D3337: tree_rest_of_compilation (tree-optimize.c:406) ==30881== by 0x810D9F: cgraph_expand_function (cgraphunit.c:1086) ==30881== by 0x813241: cgraph_optimize (cgraphunit.c:1155) ==30881== by 0x466F5C: gfc_be_parse_file (f95-lang.c:307) -- Summary: [Regression 4.3] ICE (segv) with Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: tobias dot burnus at physik dot fu-berlin dot de http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32006
next reply other threads:[~2007-05-20 8:58 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-05-20 8:58 tobias dot burnus at physik dot fu-berlin dot de [this message] 2007-05-21 1:47 ` [Bug middle-end/32006] [4.3 Regression] ICE (segv) in tree-vrp (use of uninitialised values) pinskia at gcc dot gnu dot org 2007-05-22 22:16 ` burnus at gcc dot gnu dot org 2007-05-22 22:35 ` burnus at gcc dot gnu dot org 2007-05-24 11:47 ` burnus at gcc dot gnu dot 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-32006-1719@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).