https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66704
Bug ID: 66704 Summary: [6 Regression] ICE in tree-vectorizer at tree-ssanames.c:457 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org Target Milestone: --- Hello. Starting from r224514, there's a new issue spotted on ppc64le: ./xgcc -B. ../../gcc/testsuite/gcc.target/powerpc/pr60137.c -mcpu=power8 -O3 -c -mno-vsx ../../gcc/testsuite/gcc.target/powerpc/pr60137.c:13:6: internal compiler error: tree check: expected ssa_name, have addr_expr in copy_ssa_name_fn, at tree-ssanames.c:457 void init_reg_sets_1(void) ^ 0x11114f8b tree_check_failed(tree_node const*, char const*, int, char const*, ...) ../../gcc/tree.c:9379 0x102748ab tree_check(tree_node*, char const*, int, char const*, tree_code) ../../gcc/tree.h:2858 0x11029a4f copy_ssa_name_fn(function*, tree_node*, gimple_statement_base*) ../../gcc/tree-ssanames.c:457 0x116685cf copy_ssa_name ../../gcc/tree-ssanames.h:116 0x11677963 vect_setup_realignment(gimple_statement_base*, gimple_stmt_iterator*, tree_node**, dr_alignment_support, tree_node*, loop**) ../../gcc/tree-vect-data-refs.c:4854 0x1106dd77 vectorizable_load ../../gcc/tree-vect-stmts.c:6548 0x11071717 vect_transform_stmt(gimple_statement_base*, gimple_stmt_iterator*, bool*, _slp_tree*, _slp_instance*) ../../gcc/tree-vect-stmts.c:7506 0x1108d0ab vect_transform_loop(_loop_vec_info*) ../../gcc/tree-vect-loop.c:6238 0x110ad3a7 vectorize_loops() ../../gcc/tree-vectorizer.c:495 0x10f2046b execute ../../gcc/tree-ssa-loop.c:289 Problem can reproduced on gcc112.fsffrance.org machine. Thanks, Martin