https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88498
Bug ID: 88498 Summary: [9 Regression] FAIL: gcc.target/i386/avx512vl-pr79299-1.c (internal compiler error) Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com Target Milestone: --- Target: i386,x86-64 On x86-64, r267123 has [hjl@gnu-cfl-1 gcc]$ /export/build/gnu/tools-build/gcc-debug/build-x86_64-linux/gcc/xgcc -B/export/build/gnu/tools-build/gcc-debug/build-x86_64-linux/gcc/ -march=corei7 -fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers -fdiagnostics-color=never -Ofast -mavx512vl -masm=intel -c -o avx512vl-pr79299-1.o /export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/avx512vl-pr79299-1.c during GIMPLE pass: vect /export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/avx512vl-pr79299-1.c: In function \u2018f1\u2019: /export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/avx512vl-pr79299-1.c:15:1: internal compiler error: in vect_gen_perm_mask_checked, at tree-vect-stmts.c:7269 0x14c4956 vect_gen_perm_mask_checked(tree_node*, vec_perm_indices const&) /export/gnu/import/git/sources/gcc/gcc/tree-vect-stmts.c:7269 0x14b3759 vect_build_gather_load_calls /export/gnu/import/git/sources/gcc/gcc/tree-vect-stmts.c:2698 0x14c5c2f vectorizable_load /export/gnu/import/git/sources/gcc/gcc/tree-vect-stmts.c:7629 0x14ccb75 vect_transform_stmt(_stmt_vec_info*, gimple_stmt_iterator*, _slp_tree*, _slp_instance*) /export/gnu/import/git/sources/gcc/gcc/tree-vect-stmts.c:9655 0x14f157a vect_transform_loop_stmt /export/gnu/import/git/sources/gcc/gcc/tree-vect-loop.c:8139 0x14f224f vect_transform_loop(_loop_vec_info*) /export/gnu/import/git/sources/gcc/gcc/tree-vect-loop.c:8358 0x151d21e try_vectorize_loop_1 /export/gnu/import/git/sources/gcc/gcc/tree-vectorizer.c:969 0x151d4b5 try_vectorize_loop /export/gnu/import/git/sources/gcc/gcc/tree-vectorizer.c:1019 0x151d685 vectorize_loops() /export/gnu/import/git/sources/gcc/gcc/tree-vectorizer.c:1101 0x1389785 execute /export/gnu/import/git/sources/gcc/gcc/tree-ssa-loop.c:414 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. [hjl@gnu-cfl-1 gcc]$