https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113962
Bug ID: 113962
Summary: [14 Regression] ICE: in exact_div, at poly-int.h:2156
with -O -mavx512f
Product: gcc
Version: 14.0
Status: WAITING
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
CC: rguenth at gcc dot gnu.org
Target Milestone: 14.0
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
CC: rguenth at gcc dot gnu.org
Last reconfirmed: 2024-02-19
Status: WAITING
Target Milestone: 14.0
Ever confirmed: 1
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -mavx512f testcase.c
during GIMPLE pass: forwprop
testcase.c: In function 'bar1':
testcase.c:8:6: internal compiler error: in exact_div, at poly-int.h:2156
8 | void bar1() { (v64u8){bar4(bar1_v64u16_0)[3]}; }
| ^~~~
0x8f3b3f poly_int<1u, poly_result<unsigned long, if_nonpoly<unsigned long,
unsigned long, poly_int_traits<unsigned long>::is_poly>::type,
poly_coeff_pair_traits<unsigned long, if_nonpoly<unsigned long, unsigned long,
poly_int_traits<unsigned long>::is_poly>::type>::result_kind>::type>
exact_div<1u, unsigned long, unsigned long>(poly_int<1u, unsigned long> const&,
unsigned long)
/repo/gcc-trunk/gcc/poly-int.h:2156
0x8f3b3f poly_int<1u, poly_result<unsigned long, if_nonpoly<unsigned long,
unsigned long, poly_int_traits<unsigned long>::is_poly>::type,
poly_coeff_pair_traits<unsigned long, if_nonpoly<unsigned long, unsigned long,
poly_int_traits<unsigned long>::is_poly>::type>::result_kind>::type>
exact_div<1u, unsigned long, unsigned long>(poly_int<1u, unsigned long> const&,
unsigned long)
/repo/gcc-trunk/gcc/poly-int.h:2150
0x1af5db7 gimple_simplify_BIT_INSERT_EXPR(gimple_match_op*, gimple**,
tree_node* (*)(tree_node*), code_helper, tree_node*, tree_node*, tree_node*,
tree_node*)
/repo/build-gcc-trunk-amd64/gcc/gimple-match-5.cc:16981
0x1caa515 gimple_resimplify3
/repo/gcc-trunk/gcc/gimple-match-exports.cc:1107
0x1cabaf7 gimple_simplify(gimple*, gimple_match_op*, gimple**, tree_node*
(*)(tree_node*), tree_node* (*)(tree_node*))
/repo/gcc-trunk/gcc/gimple-match-exports.cc:898
0x116ce2c fold_stmt_1
/repo/gcc-trunk/gcc/gimple-fold.cc:6359
0x165e28d 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-r14-9022-20240216094309-gf436a2ab6ad-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/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-r14-9022-20240216094309-gf436a2ab6ad-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.1 20240216 (experimental) (GCC)
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Where's testcase.c?
