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.
