On 07/30/2017 05:08 AM, Ethin Probst wrote:
> Hello all,
> I was trying to build GCC 7.1.0 on OpenSuse 42.1 when it encountered
> an internal error. The error is thrown, for lack of a better word, in
> both 4.x and 6.x.
> I would have submitted a bug report on the GCC bug tracker except for
> the fact that I don't have all the information needed, so thought I
> should report it here. What I don't have is the options given when GCC
> was configured/built (for the system host compiler) and the
> preprocessed file (*.i*) that triggers the bug. I'll give the rest
> here, though.
> The exact version of GCC that triggered the internal error was both
> version gcc (SUSE Linux) 4.8.5 and gcc-6 (SUSE Linux) 6.2.1 20160826
> [gcc-6-branch revision 239773].
> The system type is a Linode VPS. Kernel and node names are Linux,
> kernel release is 4.9.15-x86_64-linode81, kernel version is #1 SMP Fri
> Mar 17 09:47:36 EDT 2017, and machine, processor, and hardware
> platform are all x86_64.
> From what I can gather, the exact command that triggered the error was:
> /home/ethin/gccbuild/./gcc/xgcc -B/home/ethin/gccbuild/./gcc/
> -B/usr/local/x86_64-pc-linux-gnu/bin/
> -B/usr/local/x86_64-pc-linux-gnu/lib/ -isystem
> /usr/local/x86_64-pc-linux-gnu/include -isystem
> /usr/local/x86_64-pc-linux-gnu/sys-include -g0 -fcompare-debug= -g
> -O2 -O2 -g -O2 -DIN_GCC -fPIC -W -Wall -Wno-narrowing
> -Wwrite-strings -Wcast-qual -Wno-format -Wstrict-prototypes
> -Wmissing-prototypes -Wold-style-definition -isystem ./include
> -fpic -mlong-double-80 -DUSE_ELF_SYMVER -g -DIN_LIBGCC2
> -fbuilding-libgcc -fno-stack-protector -fpic -mlong-double-80
> -DUSE_ELF_SYMVER -I. -I. -I../.././gcc -I../../../gcc-7.1.0/libgcc
> -I../../../gcc-7.1.0/libgcc/. -I../../../gcc-7.1.0/libgcc/../gcc
> -I../../../gcc-7.1.0/libgcc/../include
> -I../../../gcc-7.1.0/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT
> -DHAVE_CC_TLS -DUSE_TLS -o _addQQ.o -MT _addQQ.o -MD -MP -MF
> _addQQ.dep -DL_add -DQQ_MODE -c ../../../gcc-7.1.0/libgcc/fixed-bit.c
> -fvisibility=hidden -DHIDE_EXPORTS
> I configured the GCC 7.1.0 package with the command (from the
> $HOME/gccbuild directory):
> ../gcc-7.1.0/configure --enable-host-shared --enable-multiarch
> --enable-vtable-verify --disable-multilib --enable-threads
> --enable-tls --enable-__cxa_atexit --enable-gnu-indirect-function
> --enable-comdat --enable-initfini-array --enable-bootstrap
> --enable-languages=ada,brig,c,c++,fortran,go,jit,lto,objc,obj-c++
> --enable-libada --enable-libsanitizer --enable-libssp
> --enable-libquadmath --enable-libquadmath-support --enable-libgomp
> --enable-libvtv --enable-default-pie --enable-default-ssp --enable-cld
> --enable-checking=all --disable-nls --enable-fixed-point
> --with-long-double-128 --enable-linker-build-id
> --enable-gnu-unique-object --enable-lto
> --enable-canonical-system-headers --enable-objc-gc
> --enable-liboffloadmic=target
> --with-build-config="bootstrap-debug-lean bootstrap-debug-lib
> bootstrap-debug-ckovw" --quiet CC=gcc-6 CXX=g++-6 CC_FOR_TARGET=gcc-6
> CXX_FOR_TARGET=g++-6 GCC_FOR_TARGET=gcc-6
> GFORTRAN_FOR_TARGET=gfortran-6
> The command I used to configure GCC without the GCC 6.x installation
> (so it used 4.8.5, the default) was:
> ../gcc-7.1.0/configure --enable-host-shared --enable-multiarch
> --enable-vtable-verify --disable-multilib --enable-threads
> --enable-tls --enable-__cxa_atexit --enable-gnu-indirect-function
> --enable-comdat --enable-initfini-array --enable-bootstrap
> --enable-languages=ada,brig,c,c++,fortran,go,jit,lto,objc,obj-c++
> --enable-libada --enable-libsanitizer --enable-libssp
> --enable-libquadmath --enable-libquadmath-support --enable-libgomp
> --enable-libvtv --enable-default-pie --enable-default-ssp --enable-cld
> --enable-checking=all --disable-nls --enable-fixed-point
> --with-long-double-128 --enable-linker-build-id
> --enable-gnu-unique-object --enable-lto
> --enable-canonical-system-headers --enable-objc-gc
> --enable-liboffloadmic=target
> --with-build-config="bootstrap-debug-lean bootstrap-debug-lib
> bootstrap-debug-ckovw" --quiet
> The exact output of the command was as follows:
> In file included from ../../../gcc-7.1.0/libgcc/fixed-bit.c:55:0:
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:64:1: error: unable to emulate 'QQ'
> typedef _Fract QQtype __attribute__ ((mode (QQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:65:1: error: unable to emulate 'UQQ'
> typedef unsigned _Fract UQQtype __attribute__ ((mode (UQQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:66:1: error: unable to emulate 'HQ'
> typedef _Fract HQtype __attribute__ ((mode (HQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:67:1: error: unable to emulate 'UHQ'
> typedef unsigned _Fract UHQtype __attribute__ ((mode (UHQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:68:1: error: unable to emulate 'HA'
> typedef _Fract HAtype __attribute__ ((mode (HA)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:69:1: error: unable to emulate 'UHA'
> typedef unsigned _Fract UHAtype __attribute__ ((mode (UHA)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:84:1: error: unable to emulate 'SQ'
> typedef _Fract SQtype __attribute__ ((mode (SQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:85:1: error: unable to emulate 'USQ'
> typedef unsigned _Fract USQtype __attribute__ ((mode (USQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:86:1: error: unable to emulate 'SA'
> typedef _Fract SAtype __attribute__ ((mode (SA)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:87:1: error: unable to emulate 'USA'
> typedef unsigned _Fract USAtype __attribute__ ((mode (USA)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:98:1: error: unable to emulate 'DQ'
> typedef _Fract DQtype __attribute__ ((mode (DQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:99:1: error: unable to emulate 'UDQ'
> typedef unsigned _Fract UDQtype __attribute__ ((mode (UDQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:100:1: error: unable to emulate 'DA'
> typedef _Fract DAtype __attribute__ ((mode (DA)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:101:1: error: unable to emulate 'UDA'
> typedef unsigned _Fract UDAtype __attribute__ ((mode (UDA)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:112:1: error: unable to emulate 'TQ'
> typedef _Fract TQtype __attribute__ ((mode (TQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:113:1: error: unable to emulate 'UTQ'
> typedef unsigned _Fract UTQtype __attribute__ ((mode (UTQ)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:114:1: error: unable to emulate 'TA'
> typedef _Fract TAtype __attribute__ ((mode (TA)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.h:115:1: error: unable to emulate 'UTA'
> typedef unsigned _Fract UTAtype __attribute__ ((mode (UTA)));
> ^~~~~~~
> ../../../gcc-7.1.0/libgcc/fixed-bit.c: In function '__addqq3':
> ../../../gcc-7.1.0/libgcc/fixed-bit.c:60:1: internal compiler error:
> in classify_argument, at config/i386/i386.c:9237
> {
> ^
> 0x15854a4 classify_argument
> ../../gcc-7.1.0/gcc/config/i386/i386.c:9237
> 0x1585592 examine_argument
> ../../gcc-7.1.0/gcc/config/i386/i386.c:9261
> 0x158918f ix86_return_in_memory
> ../../gcc-7.1.0/gcc/config/i386/i386.c:10708
> 0xc3dee7 aggregate_value_p(tree_node const*, tree_node const*)
> ../../gcc-7.1.0/gcc/function.c:2088
> 0xc48bfb allocate_struct_function(tree_node*, bool)
> ../../gcc-7.1.0/gcc/function.c:4928
> 0x83bca1 store_parm_decls()
> ../../gcc-7.1.0/gcc/c/c-decl.c:9173
> 0x896842 c_parser_declaration_or_fndef
> ../../gcc-7.1.0/gcc/c/c-parser.c:2087
> 0x8950c6 c_parser_external_declaration
> ../../gcc-7.1.0/gcc/c/c-parser.c:1469
> 0x894bca c_parser_translation_unit
> ../../gcc-7.1.0/gcc/c/c-parser.c:1349
> 0x8ca465 c_parse_file()
> ../../gcc-7.1.0/gcc/c/c-parser.c:18176
> 0x942b81 c_common_parse_file()
> ../../gcc-7.1.0/gcc/c-family/c-opts.c:1107
> Please submit a full bug report,
> with preprocessed source if appropriate.
> Please include the complete backtrace with any bug report.
> See <https://gcc.gnu.org/bugs/> for instructions.
> ../../../gcc-7.1.0/libgcc/fixed-obj.mk:27: recipe for target '_addQQ.o' failed
> make[3]: *** [_addQQ.o] Error 1
> make[3]: Leaving directory '/home/ethin/gccbuild/x86_64-pc-linux-gnu/libgcc'
> Makefile:23557: recipe for target 'all-stage1-target-libgcc' failed
> make[2]: *** [all-stage1-target-libgcc] Error 2
> make[2]: Leaving directory '/home/ethin/gccbuild'
> Makefile:30069: recipe for target 'stage1-bubble' failed
> make[1]: *** [stage1-bubble] Error 2
> make[1]: Leaving directory '/home/ethin/gccbuild'
> Makefile:942: recipe for target 'all' failed
> make: *** [all] Error 2
> That is all I have right now, unfortunately. If I find anything else
> new that you need I'll inform you about it.
>
Hello.
I can take a look, but please create a bug issue and try to isolate *.i* files
by adding -E to the GCC invocation
that causes the problem.
Thanks,
Martin
