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* [Bug tree-optimization/96822] New: [11 regression] Starting with r11-2833 ICE in decompose, at wide-int.h:984
@ 2020-08-27 18:02 seurer at gcc dot gnu.org
2020-08-27 18:28 ` [Bug tree-optimization/96822] " aldyh at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: seurer at gcc dot gnu.org @ 2020-08-27 18:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96822
Bug ID: 96822
Summary: [11 regression] Starting with r11-2833 ICE in
decompose, at wide-int.h:984
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:bf19cbc9cea6161f3deb63040601090828c44c53, r11-2883
Unfortunately this is in one of the SPEC 2006 test cases.
seurer@genoa:~/gcc/cpu2006/benchspec/CPU2006/456.hmmer/build/build_base_ppc64.0000$
/home/seurer/gcc/git/install/gcc-test/bin/gcc -c -o revcomp.o -DSPEC_CPU
-DNDEBUG -m64 -O3 -mcpu=power8 -ffast-math -funroll-loops -fpeel-loops
-fvect-cost-model -mpopcntd -mrecip=rsqrt revcomp.c
during GIMPLE pass: vrp
revcomp.c: In function 'revcomp':
revcomp.c:35:1: internal compiler error: in decompose, at wide-int.h:984
35 | revcomp(char *comp, char *seq)
| ^~~~~~~
0x10f4b30f wi::int_traits<generic_wide_int<wide_int_ref_storage<false, false> >
>::decompose(long*, unsigned int, generic_wide_int<wide_int_ref_storage<false,
false> > const&)
/home/seurer/gcc/git/gcc-test/gcc/wide-int.h:984
0x10f4b30f wide_int_ref_storage<false,
false>::wide_int_ref_storage<generic_wide_int<wide_int_ref_storage<false,
false> > >(generic_wide_int<wide_int_ref_storage<false, false> > const&,
unsigned int)
/home/seurer/gcc/git/gcc-test/gcc/wide-int.h:1034
0x10f4b30f generic_wide_int<wide_int_ref_storage<false, false>
>::generic_wide_int<generic_wide_int<wide_int_ref_storage<false, false> >
>(generic_wide_int<wide_int_ref_storage<false, false> > const&, unsigned int)
/home/seurer/gcc/git/gcc-test/gcc/wide-int.h:790
0x10f4b30f bool wi::lts_p<generic_wide_int<wide_int_ref_storage<false, false>
>, generic_wide_int<wide_int_ref_storage<false, false> >
>(generic_wide_int<wide_int_ref_storage<false, false> > const&,
generic_wide_int<wide_int_ref_storage<false, false> > const&)
/home/seurer/gcc/git/gcc-test/gcc/wide-int.h:1902
0x10f4b30f bool wi::lt_p<generic_wide_int<wide_int_ref_storage<false, false> >,
generic_wide_int<wide_int_ref_storage<false, false> >
>(generic_wide_int<wide_int_ref_storage<false, false> > const&,
generic_wide_int<wide_int_ref_storage<false, false> > const&, signop)
/home/seurer/gcc/git/gcc-test/gcc/wide-int.h:1959
0x10f4b30f irange::irange_intersect(irange const&)
/home/seurer/gcc/git/gcc-test/gcc/value-range.cc:1701
0x10f4b48f irange::intersect(irange const*)
/home/seurer/gcc/git/gcc-test/gcc/value-range.cc:1539
0x10ed3e17 find_case_label_range(gswitch*, irange const*)
/home/seurer/gcc/git/gcc-test/gcc/tree-vrp.c:3853
0x10ed43ef find_case_label_range(gswitch*, irange const*)
/home/seurer/gcc/git/gcc-test/gcc/tree-vrp.c:3814
0x10ee1b0f simplify_stmt_for_jump_threading
/home/seurer/gcc/git/gcc-test/gcc/tree-vrp.c:4184
0x10dee153 simplify_control_stmt_condition
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-threadedge.c:554
0x10def903 thread_through_normal_block
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-threadedge.c:1101
0x10df2593 thread_across_edge
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-threadedge.c:1372
0x10df2ed7 thread_outgoing_edges(basic_block_def*, gcond*, const_and_copies*,
avail_exprs_stack*, evrp_range_analyzer*, tree_node* (*)(gimple*, gimple*,
avail_exprs_stack*, basic_block_def*))
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-threadedge.c:1463
0x10ecbef7 vrp_dom_walker::after_dom_children(basic_block_def*)
/home/seurer/gcc/git/gcc-test/gcc/tree-vrp.c:4284
0x1178d383 dom_walker::walk(basic_block_def*)
/home/seurer/gcc/git/gcc-test/gcc/domwalk.c:352
0x10ee1eef identify_jump_threads
/home/seurer/gcc/git/gcc-test/gcc/tree-vrp.c:4339
0x10ee1eef execute_vrp
/home/seurer/gcc/git/gcc-test/gcc/tree-vrp.c:4478
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/96822] [11 regression] Starting with r11-2833 ICE in decompose, at wide-int.h:984
2020-08-27 18:02 [Bug tree-optimization/96822] New: [11 regression] Starting with r11-2833 ICE in decompose, at wide-int.h:984 seurer at gcc dot gnu.org
@ 2020-08-27 18:28 ` aldyh at gcc dot gnu.org
2020-08-28 6:17 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: aldyh at gcc dot gnu.org @ 2020-08-27 18:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96822
Aldy Hernandez <aldyh at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |96818
--- Comment #1 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
I cannot confirm, as I don't have access to spec, but this looks very similar
to PR96818 which I can reproduce. It's not the exact same pathway, but they
both end up calling find_case_label_range() which I have definitely touched
with my patch.
I will mark this as depending on 96818 for now, and perhaps the reporter can
monitor that PR for proposed fixes.
Thanks for reporting this.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96818
[Bug 96818] [11 Regression] ICE: in decompose, at wide-int.h:984 at -O since
r11-2883
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/96822] [11 regression] Starting with r11-2833 ICE in decompose, at wide-int.h:984
2020-08-27 18:02 [Bug tree-optimization/96822] New: [11 regression] Starting with r11-2833 ICE in decompose, at wide-int.h:984 seurer at gcc dot gnu.org
2020-08-27 18:28 ` [Bug tree-optimization/96822] " aldyh at gcc dot gnu.org
@ 2020-08-28 6:17 ` rguenth at gcc dot gnu.org
2020-09-02 14:32 ` [Bug tree-optimization/96822] [11 regression] Starting with r11-2883 " seurer at gcc dot gnu.org
2020-10-14 16:09 ` aldyh at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-08-28 6:17 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96822
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |11.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/96822] [11 regression] Starting with r11-2883 ICE in decompose, at wide-int.h:984
2020-08-27 18:02 [Bug tree-optimization/96822] New: [11 regression] Starting with r11-2833 ICE in decompose, at wide-int.h:984 seurer at gcc dot gnu.org
2020-08-27 18:28 ` [Bug tree-optimization/96822] " aldyh at gcc dot gnu.org
2020-08-28 6:17 ` rguenth at gcc dot gnu.org
@ 2020-09-02 14:32 ` seurer at gcc dot gnu.org
2020-10-14 16:09 ` aldyh at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: seurer at gcc dot gnu.org @ 2020-09-02 14:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96822
seurer at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|UNCONFIRMED |RESOLVED
--- Comment #2 from seurer at gcc dot gnu.org ---
The patch for that other one did fix this. Thanks!
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/96822] [11 regression] Starting with r11-2883 ICE in decompose, at wide-int.h:984
2020-08-27 18:02 [Bug tree-optimization/96822] New: [11 regression] Starting with r11-2833 ICE in decompose, at wide-int.h:984 seurer at gcc dot gnu.org
` (2 preceding siblings ...)
2020-09-02 14:32 ` [Bug tree-optimization/96822] [11 regression] Starting with r11-2883 " seurer at gcc dot gnu.org
@ 2020-10-14 16:09 ` aldyh at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: aldyh at gcc dot gnu.org @ 2020-10-14 16:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96822
Bug 96822 depends on bug 96818, which changed state.
Bug 96818 Summary: [11 Regression] ICE: in decompose, at wide-int.h:984 at -O since r11-2883
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96818
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |FIXED
^ permalink raw reply [flat|nested] 5+ messages in thread
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2020-08-27 18:02 [Bug tree-optimization/96822] New: [11 regression] Starting with r11-2833 ICE in decompose, at wide-int.h:984 seurer at gcc dot gnu.org
2020-08-27 18:28 ` [Bug tree-optimization/96822] " aldyh at gcc dot gnu.org
2020-08-28 6:17 ` rguenth at gcc dot gnu.org
2020-09-02 14:32 ` [Bug tree-optimization/96822] [11 regression] Starting with r11-2883 " seurer at gcc dot gnu.org
2020-10-14 16:09 ` aldyh at gcc dot gnu.org
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