With revision 159873 cris-elf built a combined tree (with results at regress-9). >From revision 159896 and on, the tree is broken as follows:
/tmp/hpautotest-gcc1/cris-elf/gccobj/./gcc/xgcc -B/tmp/hpautotest-gcc1/cris-elf/gccobj/./gcc/ -nostdinc -B/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/newlib/ -isystem /tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/newlib/targ-include -isystem /tmp/hpautotest-gcc1/gcc/newlib/libc/include -B/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libgloss/cris -L/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libgloss/libnosys -L/tmp/hpautotest-gcc1/gcc/libgloss/cris -B/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/bin/ -B/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/lib/ -isystem /tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/include -isystem /tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/sys-include -g -O2 -march=v10 -mbest-lib-options -O2 -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -g -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I../../.././gcc -I/tmp/hpautotest-gcc1/gcc/libgcc -I/tmp/hpautotest-gcc1/gcc/libgcc/. -I/tmp/hpautotest-gcc1/gcc/libgcc/../gcc -I/tmp/hpautotest-gcc1/gcc/libgcc/../include -DHAVE_CC_TLS -DUSE_EMUTLS -o _mul_df.o -MT _mul_df.o -MD -MP -MF _mul_df.dep -DFINE_GRAINED_LIBRARIES -DL_mul_df -c ../../.././gcc/dp-bit.c ../../.././gcc/dp-bit.c: In function '_fpmul_parts': ../../.././gcc/dp-bit.c:898:4: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[4]: *** [_mul_df.o] Error 1 make[4]: Leaving directory `/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/v10/libgcc' A backtrace in gdb at the SEGV doesn't reveal a smoking gun: (gdb) bt #0 0x000000000040537f in narrowest_signed_type (value=0x7ffff7f846e8, loc=<value optimized out>, cpp_flags=0x0, lex_flags=<value optimized out>) at /tmp/hpautotest-gcc1/gcc/gcc/c-lex.c:511 #1 interpret_integer (value=0x7ffff7f846e8, loc=<value optimized out>, cpp_flags=0x0, lex_flags=<value optimized out>) at /tmp/hpautotest-gcc1/gcc/gcc/c-lex.c:545 #2 c_lex_with_flags (value=0x7ffff7f846e8, loc=<value optimized out>, cpp_flags=0x0, lex_flags=<value optimized out>) at /tmp/hpautotest-gcc1/gcc/gcc/c-lex.c:333 #3 0x0000000000476739 in c_lex_one_token (parser=0x7ffff7f846e0, token=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:205 #4 0x000000000047ca7c in c_parser_peek_token (parser=<value optimized out>, after=<value optimized out>) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:321 #5 c_parser_expr_no_commas (parser=<value optimized out>, after=<value optimized out>) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:4763 #6 0x000000000047ce75 in c_parser_expression (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:6166 #7 0x000000000047d33d in c_parser_expression_conv (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:6197 #8 0x00000000004812ab in c_parser_statement_after_labels (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:4050 #9 0x0000000000482164 in c_parser_compound_statement_nostart (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:3728 #10 0x0000000000482789 in c_parser_compound_statement (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:3565 #11 0x00000000004836e7 in c_parser_if_body (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:4143 #12 c_parser_if_statement (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:4201 #13 0x000000000048187b in c_parser_statement_after_labels (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:3948 #14 0x0000000000482164 in c_parser_compound_statement_nostart (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:3728 #15 0x0000000000482789 in c_parser_compound_statement (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:3565 #16 0x00000000004813c0 in c_parser_statement_after_labels (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:3942 #17 0x0000000000483838 in c_parser_c99_block_statement (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:4110 #18 0x00000000004818fc in c_parser_while_statement (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:4276 #19 c_parser_statement_after_labels (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:3954 #20 0x0000000000482164 in c_parser_compound_statement_nostart (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:3728 #21 0x0000000000482789 in c_parser_compound_statement (parser=0x7ffff7f846e0) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:3565 #22 0x0000000000482dce in c_parser_declaration_or_fndef (parser=0x7ffff7f846e0, fndef_ok=<value optimized out>, static_assert_ok=<value optimized out>, empty_ok=<value optimized out>, nested=<value optimized out>, start_attr_ok=<value optimized out>) at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:1376 #23 0x0000000000486378 in c_parser_translation_unit () at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:1031 #24 c_parse_file () at /tmp/hpautotest-gcc1/gcc/gcc/c-parser.c:8891 #25 0x000000000046a17a in c_common_parse_file (set_yydebug=<value optimized out>) at /tmp/hpautotest-gcc1/gcc/gcc/c-opts.c:1393 #26 0x000000000070c5fb in compile_file (argc=6, argv=0x7fffffffe138) at /tmp/hpautotest-gcc1/gcc/gcc/toplev.c:1050 #27 do_compile (argc=6, argv=0x7fffffffe138) at /tmp/hpautotest-gcc1/gcc/gcc/toplev.c:2415 #28 toplev_main (argc=6, argv=0x7fffffffe138) at /tmp/hpautotest-gcc1/gcc/gcc/toplev.c:2457 #29 0x00000037d421eb1d in __libc_start_main () from /lib64/libc.so.6 #30 0x0000000000402739 in _start () Preprocessed source to be attached. There are several authors in that revision range, so I'll bisect the list before adding any to CC. -- Summary: [4.6 Regression]: cris-elf doesn't build libgcc (config/fp-bit.c alias dp-bit.c) after r159873 Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: ice-on-valid-code, build Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hp at gcc dot gnu dot org GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: cris-axis-elf http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44289
