https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113766
Bug ID: 113766 Summary: ICE: in generate_insn, at config/riscv/riscv-vector-builtins.cc:4186 with (invalid?) __riscv_vfredosum_tu() Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: riscv64-unknown-linux-gnu Created attachment 57323 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57323&action=edit reduced testcase Compiler output: $ riscv64-unknown-linux-gnu-gcc -march=rv64gv testcase.c during RTL pass: expand testcase.c: In function 'foo': testcase.c:6:3: internal compiler error: in generate_insn, at config/riscv/riscv-vector-builtins.cc:4186 6 | __riscv_vfredosum_tu(); | ^~~~~~~~~~~~~~~~~~~~~~ 0xb9bd49 riscv_vector::function_expander::generate_insn(insn_code) /repo/gcc-trunk/gcc/config/riscv/riscv-vector-builtins.cc:4186 0xb9bd49 riscv_vector::function_expander::generate_insn(insn_code) /repo/gcc-trunk/gcc/config/riscv/riscv-vector-builtins.cc:4184 0x1bcd50d riscv_vector::function_expander::expand() /repo/gcc-trunk/gcc/config/riscv/riscv-vector-builtins.h:582 0x1bcd50d riscv_vector::expand_builtin(unsigned int, tree_node*, rtx_def*) /repo/gcc-trunk/gcc/config/riscv/riscv-vector-builtins.cc:4589 0x12ca5e3 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /repo/gcc-trunk/gcc/expr.cc:12350 0x1187df8 expand_expr(tree_node*, rtx_def*, machine_mode, expand_modifier) /repo/gcc-trunk/gcc/expr.h:316 0x1187df8 expand_call_stmt /repo/gcc-trunk/gcc/cfgexpand.cc:2864 0x1187df8 expand_gimple_stmt_1 /repo/gcc-trunk/gcc/cfgexpand.cc:3926 0x1187df8 expand_gimple_stmt /repo/gcc-trunk/gcc/cfgexpand.cc:4071 0x118e45e expand_gimple_basic_block /repo/gcc-trunk/gcc/cfgexpand.cc:6127 0x1190067 execute /repo/gcc-trunk/gcc/cfgexpand.cc:6866 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. $ riscv64-unknown-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-riscv64/bin/riscv64-unknown-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-8795-20240204180638-g91e09b3a7e9-checking-yes-rtl-df-extra-riscv64/bin/../libexec/gcc/riscv64-unknown-linux-gnu/14.0.1/lto-wrapper Target: riscv64-unknown-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 --with-isa-spec=2.2 --with-sysroot=/usr/riscv64-unknown-linux-gnu --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=riscv64-unknown-linux-gnu --with-ld=/usr/bin/riscv64-unknown-linux-gnu-ld --with-as=/usr/bin/riscv64-unknown-linux-gnu-as --disable-multilib --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r14-8795-20240204180638-g91e09b3a7e9-checking-yes-rtl-df-extra-riscv64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240205 (experimental) (GCC)