https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91114
Bug ID: 91114 Summary: [10 Regression] ICE in vect_analyze_loop, at tree-vect-loop.c:2415 Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: ice-checking, ice-on-valid-code, openmp Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: x86_64-unknown-linux-gnu gcc-10.0.0-alpha20190707 snapshot (r273184) ICEs when compiling the following testcase w/ -O1 -fopenmp-simd: void ne (double *zu) { int h3; #pragma omp simd simdlen (4) for (h3 = 0; h3 < 4; ++h3) zu[h3] = 0; } % x86_64-unknown-linux-gnu-gcc-10.0.0-alpha20190707 -O1 -fopenmp-simd -c hnkztevu.c during GIMPLE pass: vect hnkztevu.c: In function 'ne': hnkztevu.c:2:1: internal compiler error: in vect_analyze_loop, at tree-vect-loop.c:2415 2 | ne (double *zu) | ^~ 0x6fe6b2 vect_analyze_loop(loop*, _loop_vec_info*, vec_info_shared*) /var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190707/work/gcc-10-20190707/gcc/tree-vect-loop.c:2415 0xfc5495 try_vectorize_loop_1 /var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190707/work/gcc-10-20190707/gcc/tree-vectorizer.c:886 0xfc613f vectorize_loops() /var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190707/work/gcc-10-20190707/gcc/tree-vectorizer.c:1114