https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112719
Bug ID: 112719
Summary: [14 Regression] ICE: in decompose, at wide-int.h:1049
with -O -msse4 and __builtin_popcountl()
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 56693
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56693&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -msse4 testcase.c
during GIMPLE pass: forwprop
testcase.c: In function 'foo':
testcase.c:5:1: internal compiler error: in decompose, at wide-int.h:1049
5 | }
| ^
0xda660c 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&)
/repo/gcc-trunk/gcc/wide-int.h:1049
0xda6dc9 wi::int_traits<generic_wide_int<wide_int_storage> >::decompose(long*,
unsigned int, generic_wide_int<wide_int_storage> const&)
/repo/gcc-trunk/gcc/tree.h:3748
0xda6dc9 wide_int_ref_storage<true,
false>::wide_int_ref_storage<generic_wide_int<wide_int_storage>
>(generic_wide_int<wide_int_storage> const&, unsigned int)
/repo/gcc-trunk/gcc/wide-int.h:1099
0xda6dc9 generic_wide_int<wide_int_ref_storage<true, false>
>::generic_wide_int<generic_wide_int<wide_int_storage>
>(generic_wide_int<wide_int_storage> const&, unsigned int)
/repo/gcc-trunk/gcc/wide-int.h:855
0xda6dc9 wi::binary_traits<generic_wide_int<wide_int_storage>,
generic_wide_int<wide_int_storage>,
wi::int_traits<generic_wide_int<wide_int_storage> >::precision_type,
wi::int_traits<generic_wide_int<wide_int_storage>
>::precision_type>::result_type wi::bit_and<generic_wide_int<wide_int_storage>,
generic_wide_int<wide_int_storage> >(generic_wide_int<wide_int_storage> const&,
generic_wide_int<wide_int_storage> const&)
/repo/gcc-trunk/gcc/wide-int.h:2756
0xda6dc9 gimple_simplify_71(gimple_match_op*, gimple**, tree_node*
(*)(tree_node*), tree_node*, tree_node**, combined_fn)
/repo/build-gcc-trunk-amd64/gcc/gimple-match-2.cc:580
0x1af1419 gimple_simplify_PLUS_EXPR(gimple_match_op*, gimple**, tree_node*
(*)(tree_node*), code_helper, tree_node*, tree_node*, tree_node*)
/repo/build-gcc-trunk-amd64/gcc/gimple-match-9.cc:12234
0x1b2ec8a gimple_resimplify2
/repo/gcc-trunk/gcc/gimple-match-exports.cc:1008
0x1b2f917 gimple_simplify(gimple*, gimple_match_op*, gimple**, tree_node*
(*)(tree_node*), tree_node* (*)(tree_node*))
/repo/gcc-trunk/gcc/gimple-match-exports.cc:875
0x114d4ac fold_stmt_1
/repo/gcc-trunk/gcc/gimple-fold.cc:6353
0x162f7dd execute
/repo/gcc-trunk/gcc/tree-ssa-forwprop.cc:3950
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-5865-20231127072427-gb6db325ac3e-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r14-5865-20231127072427-gb6db325ac3e-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231127 (experimental) (GCC)
