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* [Bug fortran/95939] New: ice with -O3 in compute_live_loop_exits @ 2020-06-27 11:27 dcb314 at hotmail dot com 2020-06-27 11:52 ` [Bug fortran/95939] [11 Regression] " dcb314 at hotmail dot com ` (6 more replies) 0 siblings, 7 replies; 8+ messages in thread From: dcb314 at hotmail dot com @ 2020-06-27 11:27 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95939 Bug ID: 95939 Summary: ice with -O3 in compute_live_loop_exits Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- Recent gcc trunk gfortran compiler does this: $ /home/dcb/gcc/results/bin/gfortran -c -O3 ./gfortran.dg/graphite/pr42285.f90 during GIMPLE pass: vect ./gfortran.dg/graphite/pr42285.f90:3:0: 3 | SUBROUTINE EFGRDM(NCF,NFRG,G,RTRMS,GM,IOPT,K1) | internal compiler error: in compute_live_loop_exits, at tree-ssa-loop-manip.c:247 0x6d94fd compute_live_loop_exits ../../trunk.git/gcc/tree-ssa-loop-manip.c:247 0x6d94fd add_exit_phis_var ../../trunk.git/gcc/tree-ssa-loop-manip.c:334 0x6d94fd add_exit_phis ../../trunk.git/gcc/tree-ssa-loop-manip.c:356 0x6d94fd rewrite_into_loop_closed_ssa_1(bitmap_head*, unsigned int, int, loop*) ../../trunk.git/gcc/tree-ssa-loop-manip.c:678 This seems to have gone wrong sometime between date 20200624 and 20200625. It is often worthwhile to run all the Fortran code in the testsuite through the compiler with -O3 or -O3 -march=native. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/95939] [11 Regression] ice with -O3 in compute_live_loop_exits 2020-06-27 11:27 [Bug fortran/95939] New: ice with -O3 in compute_live_loop_exits dcb314 at hotmail dot com @ 2020-06-27 11:52 ` dcb314 at hotmail dot com 2020-06-27 11:58 ` dcb314 at hotmail dot com ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: dcb314 at hotmail dot com @ 2020-06-27 11:52 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95939 --- Comment #1 from David Binderman <dcb314 at hotmail dot com> --- Same error in testsuite files gcc.dg/tree-ssa/pr23433.c and gcc.target/aarch64/sve/reduc_strict_8.c. I'll have a go at reducing the first. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/95939] [11 Regression] ice with -O3 in compute_live_loop_exits 2020-06-27 11:27 [Bug fortran/95939] New: ice with -O3 in compute_live_loop_exits dcb314 at hotmail dot com 2020-06-27 11:52 ` [Bug fortran/95939] [11 Regression] " dcb314 at hotmail dot com @ 2020-06-27 11:58 ` dcb314 at hotmail dot com 2020-06-27 16:09 ` [Bug middle-end/95939] " kargl at gcc dot gnu.org ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: dcb314 at hotmail dot com @ 2020-06-27 11:58 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95939 --- Comment #2 from David Binderman <dcb314 at hotmail dot com> --- (In reply to David Binderman from comment #1) > I'll have a go at reducing the first. Pointless. It is only a few lines of code anyway. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/95939] [11 Regression] ice with -O3 in compute_live_loop_exits 2020-06-27 11:27 [Bug fortran/95939] New: ice with -O3 in compute_live_loop_exits dcb314 at hotmail dot com 2020-06-27 11:52 ` [Bug fortran/95939] [11 Regression] " dcb314 at hotmail dot com 2020-06-27 11:58 ` dcb314 at hotmail dot com @ 2020-06-27 16:09 ` kargl at gcc dot gnu.org 2020-06-28 19:50 ` [Bug tree-optimization/95939] " pinskia at gcc dot gnu.org ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: kargl at gcc dot gnu.org @ 2020-06-27 16:09 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95939 kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kargl at gcc dot gnu.org Component|fortran |middle-end --- Comment #3 from kargl at gcc dot gnu.org --- Change component as this appears to not be Fortran specific. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/95939] [11 Regression] ice with -O3 in compute_live_loop_exits 2020-06-27 11:27 [Bug fortran/95939] New: ice with -O3 in compute_live_loop_exits dcb314 at hotmail dot com ` (2 preceding siblings ...) 2020-06-27 16:09 ` [Bug middle-end/95939] " kargl at gcc dot gnu.org @ 2020-06-28 19:50 ` pinskia at gcc dot gnu.org 2020-06-29 9:52 ` marxin at gcc dot gnu.org ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu.org @ 2020-06-28 19:50 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95939 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-valid-code Target Milestone|--- |11.0 Component|middle-end |tree-optimization ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/95939] [11 Regression] ice with -O3 in compute_live_loop_exits 2020-06-27 11:27 [Bug fortran/95939] New: ice with -O3 in compute_live_loop_exits dcb314 at hotmail dot com ` (3 preceding siblings ...) 2020-06-28 19:50 ` [Bug tree-optimization/95939] " pinskia at gcc dot gnu.org @ 2020-06-29 9:52 ` marxin at gcc dot gnu.org 2020-06-29 10:08 ` dcb314 at hotmail dot com 2020-06-29 10:34 ` rguenth at gcc dot gnu.org 6 siblings, 0 replies; 8+ messages in thread From: marxin at gcc dot gnu.org @ 2020-06-29 9:52 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95939 Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2020-06-29 Status|UNCONFIRMED |WAITING Ever confirmed|0 |1 CC| |marxin at gcc dot gnu.org --- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> --- I can't reproduce it with current master. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/95939] [11 Regression] ice with -O3 in compute_live_loop_exits 2020-06-27 11:27 [Bug fortran/95939] New: ice with -O3 in compute_live_loop_exits dcb314 at hotmail dot com ` (4 preceding siblings ...) 2020-06-29 9:52 ` marxin at gcc dot gnu.org @ 2020-06-29 10:08 ` dcb314 at hotmail dot com 2020-06-29 10:34 ` rguenth at gcc dot gnu.org 6 siblings, 0 replies; 8+ messages in thread From: dcb314 at hotmail dot com @ 2020-06-29 10:08 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95939 --- Comment #5 from David Binderman <dcb314 at hotmail dot com> --- (In reply to Martin Liška from comment #4) > I can't reproduce it with current master. Agreed. It seems to have gone away by 20200628. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/95939] [11 Regression] ice with -O3 in compute_live_loop_exits 2020-06-27 11:27 [Bug fortran/95939] New: ice with -O3 in compute_live_loop_exits dcb314 at hotmail dot com ` (5 preceding siblings ...) 2020-06-29 10:08 ` dcb314 at hotmail dot com @ 2020-06-29 10:34 ` rguenth at gcc dot gnu.org 6 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu.org @ 2020-06-29 10:34 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95939 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|WAITING |RESOLVED ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2020-06-29 10:34 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-06-27 11:27 [Bug fortran/95939] New: ice with -O3 in compute_live_loop_exits dcb314 at hotmail dot com 2020-06-27 11:52 ` [Bug fortran/95939] [11 Regression] " dcb314 at hotmail dot com 2020-06-27 11:58 ` dcb314 at hotmail dot com 2020-06-27 16:09 ` [Bug middle-end/95939] " kargl at gcc dot gnu.org 2020-06-28 19:50 ` [Bug tree-optimization/95939] " pinskia at gcc dot gnu.org 2020-06-29 9:52 ` marxin at gcc dot gnu.org 2020-06-29 10:08 ` dcb314 at hotmail dot com 2020-06-29 10:34 ` rguenth at gcc dot gnu.org
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