https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99542
Bug ID: 99542
Summary: [9/10/11 Regression] ICE in exact_div, at
poly-int.h:2219
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, openmp
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: aarch64-linux-gnu
gcc-11.0.1-alpha20210307 snapshot (g:a18ebd6c439227b048a91fbfa66f5983f884c157)
ICEs when compiling gcc/testsuite/gcc.dg/gomp/pr89246-2.c w/ -fopenmp[-simd]:
% aarch64-linux-gnu-gcc-11.0.1 -fopenmp -c
gcc/testsuite/gcc.dg/gomp/pr89246-2.c
during IPA pass: simdclone
gcc/testsuite/gcc.dg/gomp/pr89246-2.c:13:1: internal compiler error: in
exact_div, at poly-int.h:2219
13 | }
| ^
0x8754e0 poly_int<2u, poly_result<unsigned long, if_nonpoly<unsigned short,
unsigned short, poly_int_traits<unsigned short>::is_poly>::type,
poly_coeff_pair_traits<unsigned long, if_nonpoly<unsigned short, unsigned
short, poly_int_traits<unsigned short>::is_poly>::type>::result_kind>::type>
exact_div<2u, unsigned long, unsigned short>(poly_int_pod<2u, unsigned long>
const&, unsigned short)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/poly-int.h:2219
0x8760a5 poly_int<2u, poly_result<unsigned long, if_nonpoly<unsigned short,
unsigned short, poly_int_traits<unsigned short>::is_poly>::type,
poly_coeff_pair_traits<unsigned long, if_nonpoly<unsigned short, unsigned
short, poly_int_traits<unsigned short>::is_poly>::type>::result_kind>::type>
exact_div<2u, unsigned long, unsigned short>(poly_int_pod<2u, unsigned long>
const&, unsigned short)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/tree.h:3467
0x8760a5 simd_clone_adjust_argument_types
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/omp-simd-clone.c:622
0x1aa6f5b expand_simd_clones(cgraph_node*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/omp-simd-clone.c:1784
0x1aa7287 ipa_omp_simd_clone
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/omp-simd-clone.c:1798
0x1aa7287 execute
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/omp-simd-clone.c:1826
(Is it the exact reason the testcase has /* { dg-options "-O0 -fno-openmp
-fno-openmp-simd" } */?)
