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The following problem occurred when building gcc-2.6.1 on rs6000/320 AIX 3.2.5


./xgcc -v -B./ -O2   -DIN_GCC   -g -I./include -g1 -I.
 -I. -I./config -c -DL_muldi3 ./libgcc2.c -o _muldi3.o
Reading specs from ./specs
gcc version 2.6.1
 ./cpp -lang-c -v -I./include -I. -I. -I./config -isystem ./include -undef -D__GNUC__=2 -D__GNUC_MINOR__=6 -D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_IBMR2 -D_POWER -D_AIX -D_AIX32 -Asystem(unix) -Asystem(aix) -Acpu(rs6000) -Amachine(rs6000) -D__CHAR_UNSIGNED__ -D__OPTIMIZE__ -g -g1 -D_ARCH_PWR -DIN_GCC -DL_muldi3 ./libgcc2.c /tmp/ccMQ8CSM.i
GNU CPP version 2.6.1
#include "..." search starts here:
#include <...> search starts here:
 ./include
 .
 .
 ./config
 ./include
 /usr/local/include
 /usr/local/rs6000-ibm-aix3.2.5/include
 /usr/local/lib/gcc-lib/rs6000-ibm-aix3.2.5/2.6.1/include
 /usr/include
End of search list.
 ./cc1 /tmp/ccMQ8CSM.i -quiet -dumpbase libgcc2.c -g -g1 -O2 -version -o /tmp/ccMQ8CSM.s
GNU C version 2.6.1 compiled by CC.
./libgcc2.c: In function `__muldi3':
./libgcc2.c:312: internal error--unrecognizable insn:
(insn 129 132 130 (set (reg:SI 130)
        (set (reg:SI 124)
            (plus:SI (reg/v:SI 89)
                (const_int 65536)))) -1 (insn_list 124 (insn_list 56 (nil)))
    (expr_list:REG_DEAD (reg:SI 124)
        (expr_list:REG_DEAD (reg/v:SI 89)
            (nil))))
xgcc: Internal compiler error: program cc1 got fatal signal 6


Is it a known problem? Solutions?

Piotr Nestorow
E-mail: Piotr.Nestorow@telelogic.se