https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105945
Bug ID: 105945 Summary: [12/13 Regression] ICE in maybe_gen_insn, at optabs.cc:7956 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Started between 20211003 and 20211010, with gcc.c-torture/compile/20051216-1.c : (older with -Ofast) $ gcc-13-20220612 -c 20051216-1.c -O2 -fdisable-tree-vect cc1: note: disable pass tree-vect for functions in the range of [0, 4294967295] $ $ gcc-13-20220612 -c 20051216-1.c -O2 -fdisable-tree-vect -mavx cc1: note: disable pass tree-vect for functions in the range of [0, 4294967295] during RTL pass: expand 20051216-1.c: In function 'test': 20051216-1.c:70:48: internal compiler error: in maybe_gen_insn, at optabs.cc:7956 70 | vp->segs[asi].points[cursor[asi]].y == y) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ 0xb0c69e maybe_gen_insn(insn_code, unsigned int, expand_operand*) ../../gcc/optabs.cc:7956 0xb0bd48 maybe_expand_insn(insn_code, unsigned int, expand_operand*) ../../gcc/optabs.cc:8000 0xb0bd48 expand_insn(insn_code, unsigned int, expand_operand*) ../../gcc/optabs.cc:8031 0x9bb008 expand_partial_load_optab_fn ../../gcc/internal-fn.cc:2737 0x7d0557 expand_call_stmt ../../gcc/cfgexpand.cc:2737 0x7d0557 expand_gimple_stmt_1 ../../gcc/cfgexpand.cc:3869 0x7d0557 expand_gimple_stmt ../../gcc/cfgexpand.cc:4033 0x7d5707 expand_gimple_basic_block ../../gcc/cfgexpand.cc:6085 0x7d81ce execute ../../gcc/cfgexpand.cc:6811