https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82228
Bug ID: 82228 Summary: [8 Regression] 416.gamess in SPEC CPU 2006 failed to build Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com Target Milestone: --- On x86-64, r252791 gave $ gfortran -c -o solib.fppized.o -O3 -funroll-loops -ffast-math -ffixed-form solib.fppized.f internal compiler error: in vect_get_num_copies, at tree-vectorizer.h:1093 statpt.fppized.f:1080:72: 0x75b2ce vect_get_num_copies ../../src-trunk/gcc/tree-vectorizer.h:1092 0x75b2ce vectorizable_live_operation(gimple*, gimple_stmt_iterator*, _slp_tree*, int, gimple**) ../../src-trunk/gcc/tree-vect-loop.c:7035 0x757c33 vect_analyze_stmt(gimple*, bool*, _slp_tree*, _slp_instance*) ../../src-trunk/gcc/tree-vect-stmts.c:8690 0x76ae81 vect_analyze_loop_operations ../../src-trunk/gcc/tree-vect-loop.c:1756 0x76ae81 vect_analyze_loop_2 ../../src-trunk/gcc/tree-vect-loop.c:2042 0x76ae81 vect_analyze_loop(loop*, _loop_vec_info*) ../../src-trunk/gcc/tree-vect-loop.c:2355 0xf5e00e vectorize_loops() ../../src-trunk/gcc/tree-vectorizer.c:685 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. specmake[3]: *** [solib.fppized.o] Error 1 r252079 is OK.