------- Comment #9 from irar at il dot ibm dot com 2006-11-07 08:31 ------- In r110758 (and r110705) bootstrap with BOOT_CFLAGS="-O2 -g -ftree-vectorize -maltivec" fails with another error:
/Develop/main-110758/build-vect/./prev-gcc/xgcc -B/Develop/main-110758/build-vect/./prev-gcc/ -B/Develop/main-110758//powerpc64-suse-linux/bin/ -c -O2 -g -ftree-vectorize -maltivec -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wmissing-format-attribute -Werror -DHAVE_CONFIG_H -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include -I../../gcc/gcc/../libdecnumber -I../libdecnumber ../../gcc/gcc/regmove.c -o regmove.o ../../gcc/gcc/recog.c: In function constrain_operands: ../../gcc/gcc/recog.c:2270: internal compiler error: in mark_operand_necessary, at tree-ssa-dce.c:266 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. make[3]: *** [recog.o] Error 1 make[3]: *** Waiting for unfinished jobs.... rm cpp.pod gfdl.pod gfortran.pod fsf-funding.pod gpl.pod gcc.pod gcov.pod make[3]: Leaving directory `/Develop/main-110758/build-vect/gcc' make[2]: *** [all-stage2-gcc] Error 2 make[2]: Leaving directory `/Develop/main-110758/build-vect' make[1]: *** [stage2-bubble] Error 2 make[1]: Leaving directory `/Develop/main-110758/build-vect' make: *** [bootstrap] Error 2 The "guilty" loop is recog.c:2283, i.e., forcing this loop not to get vectorized makes bootstrap with vectorization to pass. The backtrace: Breakpoint 1, fancy_abort (file=0x107b4668 "../../gcc/gcc/tree-ssa-dce.c", line=266, function=0x107b4930 "mark_operand_necessary") at ../../gcc/gcc/diagnostic.c:642 642 internal_error ("in %s, at %s:%d", function, trim_filename (file), line); (gdb) backtrace #0 fancy_abort (file=0x107b4668 "../../gcc/gcc/tree-ssa-dce.c", line=266, function=0x107b4930 "mark_operand_necessary") at ../../gcc/gcc/diagnostic.c:642 During symbol reading, incomplete CFI data; unspecified registers (e.g., r0) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r2) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r3) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r4) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r5) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r6) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r7) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r8) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r9) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r10) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r11) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r12) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r13) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r14) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r15) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r16) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r17) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r18) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r19) at 0x10203008. During symbol reading, incomplete CFI data; unspecified registers (e.g., r20) at 0x10203008. #1 0x105d2654 in mark_operand_necessary (op=0xf6d34e40, phionly=0 '\0') at ../../gcc/gcc/tree-ssa-dce.c:266 #2 0x105d218c in propagate_necessity (el=0x10ad6000) at ../../gcc/gcc/tree-ssa-dce.c:553 #3 0x105d401c in perform_tree_ssa_dce (aggressive=1 '\001') at ../../gcc/gcc/tree-ssa-dce.c:906 #4 0x105d4148 in tree_ssa_cd_dce () at ../../gcc/gcc/tree-ssa-dce.c:947 #5 0x1051b110 in execute_one_pass (pass=0x1088c584) at ../../gcc/gcc/passes.c:853 #6 0x1051b2c8 in execute_pass_list (pass=0x1088c584) at ../../gcc/gcc/passes.c:897 #7 0x1051b2f4 in execute_pass_list (pass=0x108876dc) at ../../gcc/gcc/passes.c:898 #8 0x100b1684 in tree_rest_of_compilation (fndecl=0xf7862d00) at ../../gcc/gcc/tree-optimize.c:412 #9 0x10016914 in c_expand_body (fndecl=0xf7862d00) at ../../gcc/gcc/c-decl.c:6689 #10 0x1059b914 in cgraph_expand_function (node=0xf75b3e00) at ../../gcc/gcc/cgraphunit.c:1101 #11 0x1059bba4 in cgraph_expand_all_functions () at ../../gcc/gcc/cgraphunit.c:1166 #12 0x1059c798 in cgraph_optimize () at ../../gcc/gcc/cgraphunit.c:1434 #13 0x1001a024 in c_write_global_declarations () at ../../gcc/gcc/c-decl.c:7804 #14 0x104d99a8 in compile_file () at ../../gcc/gcc/toplev.c:1012 #15 0x104dbc64 in do_compile () at ../../gcc/gcc/toplev.c:1957 #16 0x104dbcf8 in toplev_main (argc=54, argv=0xffe37c74) at ../../gcc/gcc/toplev.c:1989 #17 0x10090518 in main (argc=54, argv=0xffe37c74) at ../../gcc/gcc/main.c:35 Attached recog.i. Please let me know if you need additional information. Ira -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28752