19991102 chk-ICE at varasm.c:3423 compiling gcc/libgcc2.c(_divdi3) on rs6000-ibm-aix4.2.0.0

[Brown, Rodney]

Title: 19991102 chk-ICE at varasm.c:3423 compiling gcc/libgcc2.c(_divdi3) on rs6000-ibm-aix4.2.0.0





rs6000-ibm-aix4.2.0.0 --enable-checking 


Building with --enable-checking failed building cc1 
ld: 0711-781 ERROR: TOC overflow. TOC size: 70204       Maximum size: 65536


This requires adding -Wl,-bbigtoc as a link option for cc1


gcc -DIN_GCC -g -W -Wall -DHAVE_CONFIG_H -Wl,-bbigtoc -o cc1 toplev.o ...
ld: 0711-783 WARNING: TOC overflow. TOC size: 70204     Maximum size: 65536
        Extra instructions are being generated for each reference to a TOC
        symbol if the symbol is in the TOC overflow area.


19991102 chk-ICE at varasm.c:3423 compiling gcc/libgcc2.c(_divdi3)
on rs6000-ibm-aix4.2.0.0


Andreas Jaeger reported an ICE at the same location compiling __floatdisf
from the 1101 CVS on Linux, which also happened on UnixWare 7 on the 1102
snapshot.


  ./xgcc -B/usr/local/rs6000-ibm-aix4.2.0.0/bin/ -B./ -I/usr/local/rs6000-ibm-aix4.2.0.0/include -O2   -DIN_GCC    -g -W -Wall -I./include   -g1  -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED   -I. -I../../egcs-19991102/gcc -I../../egcs-19991102/gcc/config -I../../egcs-19991102/gcc/../include -c -DL${name} \

      -DUSE_COLLECT2 ../../egcs-19991102/gcc/libgcc2.c -o ${name}.o; \
  if [ $? -eq 0 ] ; then true; else exit 1; fi; \
  ar rc tmplibgcc2.a ${name}.o; \
  rm -f ${name}.o; \
done
_muldi3
_divdi3
../../egcs-19991102/gcc/libgcc2.c: In function `__udivmoddi4':
../../egcs-19991102/gcc/libgcc2.c:510: RTL check: expected elt 0 type 'e' or 'u', have 's' (rtx symbol_ref)
../../egcs-19991102/gcc/libgcc2.c:510: Internal compiler error in `decode_rtx_const', at varasm.c:3423
Please submit a full bug report.
See <URL: http://www.gnu.org/software/gcc/faq.html#bugreport > for instructions.
make[4]: *** [libgcc2.a] Error 1
make[4]: Leaving directory `/devel/tmp/egcs-19991102.chk/gcc'



 ./cc1 libgcc2.i -quiet -dumpbase libgcc2.c -g -g1 -O2 -W -Wall -version -o libgcc2.s
GNU C version 2.96 19991102 (experimental) (rs6000-ibm-aix4.2.0.0) compiled by GNU C version egcs-2.91.66 19990314 (egcs-1.1.2 release).

../../egcs-19991102/gcc/libgcc2.c: In function `__udivmoddi4':
../../egcs-19991102/gcc/libgcc2.c:510: RTL check: expected elt 0 type 'e' or 'u', have 's' (rtx symbol_ref)
../../egcs-19991102/gcc/libgcc2.c:510: Internal compiler error in `decode_rtx_const', at varasm.c:3423
Please submit a full bug report.



GNU C version 2.96 19991102 (experimental) (rs6000-ibm-aix4.2.0.0) compiled by GNU C version egcs-2.91.66 19990314 (egcs-1.1.2 release).

Breakpoint 5, decode_rtx_const (mode=SImode, x=0x2014ebb8, value=0x2ff200e8)
    at varasm.c:3423
3423            value->un.addr.base = XEXP (value->un.addr.base, 0);
#0  decode_rtx_const (mode=SImode, x=0x2014ebb8, value=0x2ff200e8)
    at varasm.c:3423
#1  0x1034c8e0 in const_hash_rtx (mode=SImode, x=0x2014ebb8) at varasm.c:3458
#2  0x1034d154 in force_const_mem (mode=SImode, x=0x2014ebb8) at varasm.c:3555
#3  0x10438f6c in gen_movsi (operand0=0x20089000, operand1=0x2014ebb8)
    at insn-emit.c:5337
#4  0x1039cd60 in emit_move_insn_1 (x=0x20089000, y=0x2014ebb8) at expr.c:2595
#5  0x1039cc0c in emit_move_insn (x=0x20089000, y=0x2014ebb8) at expr.c:2575
#6  0x104d650c in force_reg (mode=SImode, x=0x2014ebb8) at explow.c:741
#7  0x104cef4c in memory_address (mode=BLKmode, x=0x2014ebb8) at explow.c:488
#8  0x10083d54 in change_address (memref=0x201ec540, mode=BLKmode, 
    addr=0x2014ebb8) at emit-rtl.c:1506
#9  0x103b16c4 in expand_expr (exp=0x20210b00, target=0x0, tmode=VOIDmode, 
    modifier=EXPAND_NORMAL) at expr.c:5931
#10 0x103b74d8 in expand_expr (exp=0x200e28c0, target=0x0, tmode=SImode, 


    modifier=EXPAND_NORMAL) at expr.c:6586
#11 0x103bb074 in expand_expr (exp=0x200e2920, target=0x0, tmode=VOIDmode, 
    modifier=EXPAND_NORMAL) at expr.c:7044
#12 0x103cb23c in expand_expr (exp=0x200e2940, target=0x0, tmode=VOIDmode, 
    modifier=EXPAND_NORMAL) at expr.c:8408
#13 0x103baed0 in expand_expr (exp=0x200e2980, target=0x0, tmode=VOIDmode, 
    modifier=EXPAND_NORMAL) at expr.c:7031
#14 0x103cb2f4 in expand_expr (exp=0x200e29a0, target=0x20075890, 
    tmode=VOIDmode, modifier=EXPAND_NORMAL) at expr.c:8409
#15 0x103baed0 in expand_expr (exp=0x200e29c0, target=0x20075890, 
    tmode=SImode, modifier=EXPAND_NORMAL) at expr.c:7031
#16 0x103a2448 in store_expr (exp=0x200e29c0, target=0x20075890, want_value=0)
    at expr.c:3744
#17 0x103a1764 in expand_assignment (to=0x200b3480, from=0x200e29c0, 
    want_value=0, suggest_reg=1) at expr.c:3568
#18 0x103c92d8 in expand_expr (exp=0x200e29e0, target=0x0, tmode=VOIDmode, 
    modifier=EXPAND_NORMAL) at expr.c:8120
#19 0x1040f2d8 in expand_expr_stmt (exp=0x200e29e0) at stmt.c:1852
#20 0x1054f34c in expand_stmt_with_iterators_1 (stmt=0x200e29e0, iter_list=0x0)
    at c-iterate.c:167
#21 0x1054f2dc in iterator_expand (stmt=0x200e29e0) at c-iterate.c:157
#22 0x1054d044 in yyparse () at c-parse.y:1529
#23 0x1000569c in compile_file (
    name=0x20089130 '¥' <repeats 48 times>, "target_flags") at toplev.c:3206


#24 0x1000b854 in main (argc=13, argv=0x2ff22c98) at toplev.c:5583
#25 0x100001c8 in __start ()
3418          case SYMBOL_REF:
3419          case LABEL_REF:
3420            /* Use the string's address, not the SYMBOL_REF's address,
3421               for the sake of addresses of library routines.
3422               For a LABEL_REF, compare labels.  */
3423            value->un.addr.base = XEXP (value->un.addr.base, 0);
3424            
3425          default:
3426            break;
3427          }
(gdb) p debug_rtx(x)
(symbol_ref:SI ("__clz_tab"))
$1 = void
(gdb) p *value
$2 = {kind = RTX_INT, mode = SImode, un = {du = {d = 3.9008569626931306e-154, 
      i = {538241976, 0}}, addr = {base = 0x2014ebb8, offset = 0}, di = {
      high = 538241976, low = 0}}}
(gdb) c
Continuing.
../../egcs-19991102/gcc/libgcc2.c: In function `__udivmoddi4':
../../egcs-19991102/gcc/libgcc2.c:510: RTL check: expected elt 0 type 'e' or 'u', have 's' (rtx symbol_ref)


../../egcs-19991102/gcc/libgcc2.c:510: Internal compiler error in `decode_rtx_const', at varasm.c:3423
Please submit a full bug report.
See <URL: http://www.gnu.org/software/gcc/faq.html#bugreport > for instructions.