https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90187
Bug ID: 90187 Summary: ICE in extract_insn, at recog.c:2304 x86_64 Product: gcc Version: 8.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: ianbriggsutah at gmail dot com Target Milestone: --- Created attachment 46211 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46211&action=edit Creduced file which triggers the ICE the exact version of GCC: gcc version 8.2.0 (Ubuntu 8.2.0-1ubuntu2~18.04) the system type: x86_64-linux-gnu the options given when GCC was configured/built: ../src/configure -v --with-pkgversion='Ubuntu 8.2.0-1ubuntu2~18.04' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-8 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu the complete command line that triggers the bug: g++-8 -Ofast -ffloat-store -c test.c the compiler output: test.cpp: In member function ‘int* e::g()’: test.cpp:30:1: error: unrecognizable insn: } ^ (insn 38 37 39 6 (set (reg:V2DF 120) (smin:V2DF (mem/c:V2DF (plus:DI (reg/f:DI 82 virtual-stack-vars) (const_int -64 [0xffffffffffffffc0])) [3 vect__5.6+0 S16 A128]) (mem/c:V2DF (plus:DI (reg/f:DI 82 virtual-stack-vars) (const_int -48 [0xffffffffffffffd0])) [3 vect__6.9+0 S16 A128]))) -1 (nil)) during RTL pass: vregs test.cpp:30:1: internal compiler error: in extract_insn, at recog.c:2304 Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-8/README.Bugs> for instructions.