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.
