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* [Bug middle-end/32006] New: [Regression 4.3] ICE (segv) with @ 2007-05-20 8:58 tobias dot burnus at physik dot fu-berlin dot de 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 ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: tobias dot burnus at physik dot fu-berlin dot de @ 2007-05-20 8:58 UTC (permalink / raw) To: gcc-bugs 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 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/32006] [4.3 Regression] ICE (segv) in tree-vrp (use of uninitialised values) 2007-05-20 8:58 [Bug middle-end/32006] New: [Regression 4.3] ICE (segv) with tobias dot burnus at physik dot fu-berlin dot de @ 2007-05-21 1:47 ` pinskia at gcc dot gnu dot org 2007-05-22 22:16 ` burnus at gcc dot gnu dot org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2007-05-21 1:47 UTC (permalink / raw) To: gcc-bugs -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.3.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32006 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/32006] [4.3 Regression] ICE (segv) in tree-vrp (use of uninitialised values) 2007-05-20 8:58 [Bug middle-end/32006] New: [Regression 4.3] ICE (segv) with tobias dot burnus at physik dot fu-berlin dot de 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 3 siblings, 0 replies; 5+ messages in thread From: burnus at gcc dot gnu dot org @ 2007-05-22 22:16 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from burnus at gcc dot gnu dot org 2007-05-22 23:15 ------- The patch causing this regression is r124727 | rakdver | 2007-05-14 23:58:42 +0200 (Mo, 14 Mai 2007) | 46 lines http://gcc.gnu.org/ml/gcc-cvs/2007-05/msg00425.html Zdenek, could you have a look? -- burnus at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rakdver at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32006 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/32006] [4.3 Regression] ICE (segv) in tree-vrp (use of uninitialised values) 2007-05-20 8:58 [Bug middle-end/32006] New: [Regression 4.3] ICE (segv) with tobias dot burnus at physik dot fu-berlin dot de 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 3 siblings, 0 replies; 5+ messages in thread From: burnus at gcc dot gnu dot org @ 2007-05-22 22:35 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from burnus at gcc dot gnu dot org 2007-05-22 23:35 ------- Seems to be fixed by the patch for PR 32018. I will bootstrap and retest tomorrow. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32006 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/32006] [4.3 Regression] ICE (segv) in tree-vrp (use of uninitialised values) 2007-05-20 8:58 [Bug middle-end/32006] New: [Regression 4.3] ICE (segv) with tobias dot burnus at physik dot fu-berlin dot de ` (2 preceding siblings ...) 2007-05-22 22:35 ` burnus at gcc dot gnu dot org @ 2007-05-24 11:47 ` burnus at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: burnus at gcc dot gnu dot org @ 2007-05-24 11:47 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from burnus at gcc dot gnu dot org 2007-05-24 12:47 ------- *** This bug has been marked as a duplicate of 32018 *** -- burnus at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |DUPLICATE http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32006 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2007-05-24 11:47 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2007-05-20 8:58 [Bug middle-end/32006] New: [Regression 4.3] ICE (segv) with tobias dot burnus at physik dot fu-berlin dot de 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
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