https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105528
Bug ID: 105528 Summary: [11/12/13 Regression] ICE: in expand_expr_real_2, at expr.cc:10290 with -O2 -mavx512f Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 52940 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52940&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -mavx512f testcase.c during RTL pass: expand In function 'bar', inlined from 'foo' at testcase.c:17:12: testcase.c:11:12: internal compiler error: in expand_expr_real_2, at expr.cc:10290 11 | return v + w; | ~~^~~ 0x6cce24 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, expand_modifier) /repo/gcc-trunk/gcc/expr.cc:10290 0xfade5c expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /repo/gcc-trunk/gcc/expr.cc:10504 0xfb0064 expand_expr /repo/gcc-trunk/gcc/expr.h:301 0xfb0064 expand_operands(tree_node*, tree_node*, rtx_def*, rtx_def**, rtx_def**, expand_modifier) /repo/gcc-trunk/gcc/expr.cc:8314 0xfa720f expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, expand_modifier) /repo/gcc-trunk/gcc/expr.cc:9281 0xe72418 expand_gimple_stmt_1 /repo/gcc-trunk/gcc/cfgexpand.cc:3972 0xe72418 expand_gimple_stmt /repo/gcc-trunk/gcc/cfgexpand.cc:4033 0xe784ee expand_gimple_basic_block /repo/gcc-trunk/gcc/cfgexpand.cc:6081 0xe7a0ef execute /repo/gcc-trunk/gcc/cfgexpand.cc:6807 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r13-168-20220508001620-ga1947c92f7c-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++ --enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra --with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld --with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r13-168-20220508001620-ga1947c92f7c-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.0 20220508 (experimental) (GCC)