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* [Bug libgcc/66854] New: libgcc2.c:1846:9: internal compiler error: Segmentation fault @ 2015-07-13 9:52 sebastian.huber@embedded-brains.de 2015-07-14 13:11 ` [Bug libgcc/66854] " sebastian.huber@embedded-brains.de ` (4 more replies) 0 siblings, 5 replies; 6+ messages in thread From: sebastian.huber@embedded-brains.de @ 2015-07-13 9:52 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66854 Bug ID: 66854 Summary: libgcc2.c:1846:9: internal compiler error: Segmentation fault Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgcc Assignee: unassigned at gcc dot gnu.org Reporter: sebastian.huber@embedded-brains.de Target Milestone: --- make[4]: Entering directory `/scratch/git-build/b-gcc-git-powerpc-rtems4.11/powerpc-rtems4.11/m403/libgcc' # If this is the top-level multilib, build all the other # multilibs. /scratch/git-build/b-gcc-git-powerpc-rtems4.11/./gcc/xgcc -B/scratch/git-build/b-gcc-git-powerpc-rtems4.11/./gcc/ -nostdinc -B/scratch/git-build/b-gcc-git-powerpc-rtems4.11/powerpc-rtems4.11/newlib/ -isystem /scratch/git-build/b-gcc-git-powerpc-rtems4.11/powerpc-rtems4.11/newlib/targ-include -isystem /home/EB/sebastian_h/archive/gcc-git/newlib/libc/include -B/opt/rtems-4.11/powerpc-rtems4.11/bin/ -B/opt/rtems-4.11/powerpc-rtems4.11/lib/ -isystem /opt/rtems-4.11/powerpc-rtems4.11/include -isystem /opt/rtems-4.11/powerpc-rtems4.11/sys-include -g -O2 -mcpu=403 -O2 -I/home/EB/sebastian_h/archive/gcc-git/libgcc/../newlib/libc/sys/rtems/include -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -I. -I. -I../../.././gcc -I/home/EB/sebastian_h/archive/gcc-git/libgcc -I/home/EB/sebastian_h/archive/gcc-git/libgcc/. -I/home/EB/sebastian_h/archive/gcc-git/libgcc/../gcc -I/home/EB/sebastian_h/archive/gcc-git/libgcc/../include -DHAVE_CC_TLS -o _powisf2.o -MT _powisf2.o -MD -MP -MF _powisf2.dep -DL_powisf2 -c /home/EB/sebastian_h/archive/gcc-git/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS /home/EB/sebastian_h/archive/gcc-git/libgcc/libgcc2.c: In function '__powisf2': /home/EB/sebastian_h/archive/gcc-git/libgcc/libgcc2.c:1846:9: internal compiler error: Segmentation fault x = x * x; ^ 0xa5ea6f crash_signal /home/EB/sebastian_h/archive/gcc-git/gcc/toplev.c:352 0xd63016 tree_class_check /home/EB/sebastian_h/archive/gcc-git/gcc/tree.h:3236 0xd63016 rs6000_pass_by_reference /home/EB/sebastian_h/archive/gcc-git/gcc/config/rs6000/rs6000.c:10836 0x56bb84 pass_by_reference(rs6000_args*, machine_mode, tree_node*, bool) /home/EB/sebastian_h/archive/gcc-git/gcc/calls.c:878 0x56d1cf emit_library_call_value_1 /home/EB/sebastian_h/archive/gcc-git/gcc/calls.c:4033 0x573ff1 emit_library_call_value(rtx_def*, rtx_def*, libcall_type, machine_mode, int, ...) /home/EB/sebastian_h/archive/gcc-git/gcc/calls.c:4631 0x984cd7 expand_binop(machine_mode, optab_tag, rtx_def*, rtx_def*, rtx_def*, int, optab_methods) /home/EB/sebastian_h/archive/gcc-git/gcc/optabs.c:2133 0x670f1e expand_mult(machine_mode, rtx_def*, rtx_def*, rtx_def*, int) /home/EB/sebastian_h/archive/gcc-git/gcc/expmed.c:3266 0x6902b6 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, expand_modifier) /home/EB/sebastian_h/archive/gcc-git/gcc/expr.c:8598 0x582482 expand_gimple_stmt_1 /home/EB/sebastian_h/archive/gcc-git/gcc/cfgexpand.c:3340 0x582482 expand_gimple_stmt /home/EB/sebastian_h/archive/gcc-git/gcc/cfgexpand.c:3400 0x5847ad expand_gimple_basic_block /home/EB/sebastian_h/archive/gcc-git/gcc/cfgexpand.c:5412 0x589d0e execute /home/EB/sebastian_h/archive/gcc-git/gcc/cfgexpand.c:6023 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. make[4]: *** [_powisf2.o] Error 1 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/66854] libgcc2.c:1846:9: internal compiler error: Segmentation fault 2015-07-13 9:52 [Bug libgcc/66854] New: libgcc2.c:1846:9: internal compiler error: Segmentation fault sebastian.huber@embedded-brains.de @ 2015-07-14 13:11 ` sebastian.huber@embedded-brains.de 2015-07-14 15:39 ` meissner at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: sebastian.huber@embedded-brains.de @ 2015-07-14 13:11 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66854 Sebastian Huber <sebastian.huber@embedded-brains.de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |meissner at linux dot vnet.ibm.com --- Comment #1 from Sebastian Huber <sebastian.huber@embedded-brains.de> --- 8b2f7251e4502efddba091ba4468e385ac435b52 is the first bad commit commit 8b2f7251e4502efddba091ba4468e385ac435b52 Author: meissner <meissner@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Thu Jul 9 18:55:01 2015 +0000 2015-07-09 Michael Meissner <meissner@linux.vnet.ibm.com> * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_memory): Use machine mode, not enum machine_mode in the prototype. * config/rs6000/rs6000.h (FLOAT128_IEEE_P): New helper macros to classify 128-bit floating point support. (FLOAT128_IBM_P): Likewise. (FLOAT128_VECTOR_P): Likewise. (FLOAT128_2REG_P): Likewise. (SCALAR_FLOAT_MODE_NOT_VECTOR_P): Likewise. (SLOW_UNALIGNED_ACCESS): Add IEEE 128-bit floating point support. (HARD_REGNO_CALLER_SAVE_MODE): Likewise. (HARD_REGNO_CALL_PART_CLOBBERED): Likewise. * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Drop tests against TFmode/TDmode, since those modes do not use VSX addresses. (rs6000_hard_regno_mode_ok): Add IEEE 128-bit floating point support. (rs6000_init_hard_regno_mode_ok): Use new helper macros instead of tests against TFmode, etc. (invalid_e500_subreg): Add tests against IFmode/KFmode. (reg_offset_addressing_ok_p): Likewise. (rs6000_legitimate_offset_address_p): Likewise. (rs6000_legitimize_address): Likewise. (rs6000_legitimize_reload_address): Likewise. (rs6000_legitimate_address_p): Clean up tests against TFmode and TDmode to use the new helper macros, which will include IFmode and KFmode. (rs6000_emit_move): Likewise. (rs6000_darwin64_record_arg_recurse): Likewise. (print_operand): Likewise. (rs6000_member_type_forces_blk): Treat IEEE 128-bit floating point that uses a single vector register as a vector and not as a floating point register in terms of the calling sequence. (rs6000_discover_homogeneous_aggregate): Likewise. (rs6000_return_in_memory): Likewise. (init_cumulative_args): Likewise. (rs6000_function_arg_boundary): Likewise. (rs6000_function_arg_advance_1): Likewise. (rs6000_function_arg): Likewise. (rs6000_pass_by_reference): Likewise. (rs6000_gimplify_va_arg): Likewise. (rs6000_secondary_reload_memory): Use machine_mode not enum machine mode. (rs6000_split_multireg_move): Use new helper macros. (spe_func_has_64bit_regs_p): Likewise. (rs6000_output_function_epilogue): Add IFmode/KFmode support. (output_toc): Use new helper macros. (rs6000_register_move_cost): Likewise. (rs6000_function_value): Add IEEE 128-bit floating point calling sequence support. (rs6000_libcall_value): Likewise. (rs6000_scalar_mode_supported_p): Add support for IEEE 128-bit floating point support. (rs6000_vector_mode_supported_p): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225631 138bc75d-0d04-0410-961f-82ee72b054a4 :040000 040000 20fc90df33f1389e7c30b7b9e2499cb9045f0eca 8dffd9d0aa758f63d522a76fc4edea6a610bc9fc M gcc ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/66854] libgcc2.c:1846:9: internal compiler error: Segmentation fault 2015-07-13 9:52 [Bug libgcc/66854] New: libgcc2.c:1846:9: internal compiler error: Segmentation fault sebastian.huber@embedded-brains.de 2015-07-14 13:11 ` [Bug libgcc/66854] " sebastian.huber@embedded-brains.de @ 2015-07-14 15:39 ` meissner at gcc dot gnu.org 2015-07-14 21:20 ` meissner at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: meissner at gcc dot gnu.org @ 2015-07-14 15:39 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66854 Michael Meissner <meissner at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |meissner at gcc dot gnu.org --- Comment #2 from Michael Meissner <meissner at gcc dot gnu.org> --- What options did you use to configure the compiler with? Are the RTEMS include files and libraries available on the internet so that I can try to build a cross compiler to debug the problem? ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/66854] libgcc2.c:1846:9: internal compiler error: Segmentation fault 2015-07-13 9:52 [Bug libgcc/66854] New: libgcc2.c:1846:9: internal compiler error: Segmentation fault sebastian.huber@embedded-brains.de 2015-07-14 13:11 ` [Bug libgcc/66854] " sebastian.huber@embedded-brains.de 2015-07-14 15:39 ` meissner at gcc dot gnu.org @ 2015-07-14 21:20 ` meissner at gcc dot gnu.org 2015-07-15 17:16 ` meissner at gcc dot gnu.org 2015-07-15 17:17 ` meissner at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: meissner at gcc dot gnu.org @ 2015-07-14 21:20 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66854 --- Comment #3 from Michael Meissner <meissner at gcc dot gnu.org> --- Created attachment 35978 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35978&action=edit Proposed patch to fix the problem I believe this patch fixes the problem. I was able to build libgcc with this patch installed. I could not complete a full RTEMS build (I suspect I am missing some parts of the software). ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/66854] libgcc2.c:1846:9: internal compiler error: Segmentation fault 2015-07-13 9:52 [Bug libgcc/66854] New: libgcc2.c:1846:9: internal compiler error: Segmentation fault sebastian.huber@embedded-brains.de ` (2 preceding siblings ...) 2015-07-14 21:20 ` meissner at gcc dot gnu.org @ 2015-07-15 17:16 ` meissner at gcc dot gnu.org 2015-07-15 17:17 ` meissner at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: meissner at gcc dot gnu.org @ 2015-07-15 17:16 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66854 --- Comment #5 from Michael Meissner <meissner at gcc dot gnu.org> --- Author: meissner Date: Wed Jul 15 17:15:37 2015 New Revision: 225843 URL: https://gcc.gnu.org/viewcvs?rev=225843&root=gcc&view=rev Log: 2015-07-14 Michael Meissner <meissner@linux.vnet.ibm.com> PR target/66854 * config/rs6000/rs6000.c (rs6000_pass_by_reference): Move test for null before IEEE 128-bit floating point support patch. Modified: trunk/gcc/ChangeLog trunk/gcc/config/rs6000/rs6000.c ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/66854] libgcc2.c:1846:9: internal compiler error: Segmentation fault 2015-07-13 9:52 [Bug libgcc/66854] New: libgcc2.c:1846:9: internal compiler error: Segmentation fault sebastian.huber@embedded-brains.de ` (3 preceding siblings ...) 2015-07-15 17:16 ` meissner at gcc dot gnu.org @ 2015-07-15 17:17 ` meissner at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: meissner at gcc dot gnu.org @ 2015-07-15 17:17 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66854 Michael Meissner <meissner at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED Assignee|unassigned at gcc dot gnu.org |meissner at gcc dot gnu.org --- Comment #6 from Michael Meissner <meissner at gcc dot gnu.org> --- Fixed in subversion id 225843. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2015-07-15 17:17 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2015-07-13 9:52 [Bug libgcc/66854] New: libgcc2.c:1846:9: internal compiler error: Segmentation fault sebastian.huber@embedded-brains.de 2015-07-14 13:11 ` [Bug libgcc/66854] " sebastian.huber@embedded-brains.de 2015-07-14 15:39 ` meissner at gcc dot gnu.org 2015-07-14 21:20 ` meissner at gcc dot gnu.org 2015-07-15 17:16 ` meissner at gcc dot gnu.org 2015-07-15 17:17 ` meissner at gcc dot gnu.org
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