Internal compiler error in current cvs egcs_1_1_branch

[Brian Ford]

Some additional information:

The command line below can be reduced to:

egcs -O2 -c clip.c

Is this something that will be looked at for egcs1.1.1?

Note that the ICE does not happen for -O1.  Here is the stack
backtrace:

#0  0x9b9e8 in find_reg_note (insn=0xff00, kind=REG_BR_PRED, datum=0x0)
    at ../../egcs-src/gcc/rtlanal.c:1268
#1  0x1a2778 in output_cbranch (op=0x1ffc00, label=3, reversed=0, annul=1,
    noop=0, insn=0xff00) at ../../egcs-src/gcc/config/sparc/sparc.c:4496
#2  0x1a06d0 in output_scc_insn (operands=0x20e520, insn=0x1d)
    at ../../egcs-src/gcc/config/sparc/sparc.c:2757
#3  0x17c250 in output_61 (operands=0x20e520, insn=0x32a798)
    at insn-output.c:137
#4  0x167480 in final_scan_insn (insn=0x32a798, file=0x0, optimize=244,
    prescan=0, nopeepholes=0) at ../../egcs-src/gcc/final.c:2843
#5  0x166608 in final (first=0x212d10, file=0x1f5350, optimize=2, prescan=0)
    at ../../egcs-src/gcc/final.c:2004
#6  0x39fdc in rest_of_compilation (decl=0x2b7ce0)
    at ../../egcs-src/gcc/toplev.c:3842
#7  0x2480c in finish_function (nested=0) at ../../egcs-src/gcc/c-decl.c:7182
#8  0x11e48 in yyparse () at c-parse.y:313
#9  0x37ec8 in compile_file (name=0xeffffa8d "/var/tmp/ccPbLCib.i")
    at ../../egcs-src/gcc/toplev.c:2768
#10 0x3b8e8 in main (argc=8, argv=0xeffff90c, envp=0x8)
    at ../../egcs-src/gcc/toplev.c:4838

On Fri, 6 Nov 1998, Brian Ford wrote:

> Command line:
> egcs -v --save-temps -mcpu=ultrasparc -c -I. -I../include -DEMULATION -O2
> clip.c >& out.txt
> 
> Output:
> Reading specs from /usr/people/ford/local/lib/gcc-lib/sparc-sun-solaris2.6/egcs-2.91.58/specs
> gcc version egcs-2.91.58 19981101 (egcs-1.1.1 pre-release)
>  /usr/people/ford/local/lib/gcc-lib/sparc-sun-solaris2.6/egcs-2.91.58/cpp -lang-c -v -I. -I../include -undef -D__GNUC__=2 -D__GNUC_MINOR__=91 -Dsparc -Dsun -Dunix -D__svr4__ -D__SVR4 -D__sparc__ -D__sun__ -D__unix__ -D__svr4__ -D__SVR4 -D__sparc -D__sun -D__unix -Asystem(unix) -Asystem(svr4) -D__OPTIMIZE__ -D__sparc_v9__ -D__GCC_NEW_VARARGS__ -Acpu(sparc) -Amachine(sparc) -DEMULATION clip.c clip.i
> GNU CPP version egcs-2.91.58 19981101 (egcs-1.1.1 pre-release) (sparc)
> #include "..." search starts here:
> #include <...> search starts here:
>  .
>  ../include
>  /usr/people/ford/local/include
>  /usr/people/ford/local/sparc-sun-solaris2.6/include
>  /usr/people/ford/local/lib/gcc-lib/sparc-sun-solaris2.6/egcs-2.91.58/include
>  /usr/include
> End of search list.
>  /usr/people/ford/local/lib/gcc-lib/sparc-sun-solaris2.6/egcs-2.91.58/cc1 clip.i -quiet -dumpbase clip.c -mcpu=ultrasparc -O2 -version -o clip.s
> GNU C version egcs-2.91.58 19981101 (egcs-1.1.1 pre-release) (sparc-sun-solaris2.6) compiled by GNU C version egcs-2.91.58 19981101 (egcs-1.1.1 pre-release).
> egcs: Internal compiler error: program cc1 got fatal signal 11
> 
> Please let me know when this is fixed or if I can help any more.
> 
> --
> Brian Ford
> Software Engineer
> Vital Visual Simulation Systems
> FlightSafety International
> Phone: 314-551-8460
> Fax:   314-551-8444
> 

--
Brian Ford
Software Engineer
Vital Visual Simulation Systems
FlightSafety International
Phone: 314-551-8460
Fax:   314-551-8444
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