c/6986: Internal compiler error in reload_cse_simplify_operands

c/6986: Internal compiler error in reload_cse_simplify_operands

[dnilsson]

>Number:         6986
>Category:       c
>Synopsis:       Internal compiler error in reload_cse_simplify_operands
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Mon Jun 10 17:56:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     
>Release:        3.1
>Organization:
Signal Integrity Software Inc.
>Environment:
System: SunOS coupling 5.8 Generic_108528-14 sun4u sparc SUNW,Ultra-5_10
Architecture: sun4

	
host: sparc-sun-solaris2.8
build: sparc-sun-solaris2.8
target: sparc-sun-solaris2.8
configured with: ../configure --with-as=/usr/ccs/bin/as --with-ld=/usr/ccs/bin/ld --disable-nls --enable-threads=posix --enable-long-long --prefix=/usr/local/gcc3.1 --enable-languages=c,c++,f77,objc,java --enable-shared sparc-sun-solaris2.8
>Description:
	GCC 3.1 aborts with Internal compiler error when compiling mozilla 1.0
on Solaris/SPARC. This is the output:
coupling src/fdlibm> gcc -v -save-temps -o e_pow.o -c -DOSTYPE=\"SunOS5\" -DOSARCH=\"SunOS\" -DOJI -I../../../dist/include/js -I../../../dist/include -I/local/mozilla/dist/include/nspr -I/usr/openwin/include -fPIC -I/usr/openwin/include -Wno-long-long -L /usr/local/gcc3.1/lib -R /usr/local/gcc3.1/lib -L/opt/gnome/lib -R/opt/gnome/lib -fshort-wchar -pthreads -DNDEBUG -DTRIMMED -O3 -mcpu=ultrasparc -D_IEEE_LIBM -I/usr/openwin/include -include ../../../config-defs.h -DMOZILLA_CLIENT -Wp,-MD,.deps/e_pow.pp e_pow.c
Reading specs from /usr/local/gcc3.1/lib/gcc-lib/sparc-sun-solaris2.8/3.1/specs
Configured with: ../configure --with-as=/usr/ccs/bin/as --with-ld=/usr/ccs/bin/ld --disable-nls --enable-threads=posix --enable-long-long --prefix=/usr/local/gcc3.1 --enable-languages=c,c++,f77,objc,java --enable-shared sparc-sun-solaris2.8
Thread model: posix
gcc version 3.1
 /usr/local/gcc3.1/lib/gcc-lib/sparc-sun-solaris2.8/3.1/cpp0 -lang-c -v -I../../../dist/include/js -I../../../dist/include -I/local/mozilla/dist/include/nspr -I/usr/openwin/include -I/usr/openwin/include -I/usr/openwin/include -D__GNUC__=3 -D__GNUC_MINOR__=1 -D__GNUC_PATCHLEVEL__=0 -Dsparc -Dsun -Dunix -D__svr4__ -D__SVR4 -D__PRAGMA_REDEFINE_EXTNAME -D__sparc__ -D__sun__ -D__unix__ -D__svr4__ -D__SVR4 -D__PRAGMA_REDEFINE_EXTNAME -D__sparc -D__sun -D__unix -Asystem=unix -Asystem=svr4 -D__OPTIMIZE__ -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=short unsigned int -D__STDC_HOSTED__=1 -D__sparcv8 -D__SIZE_TYPE__=unsigned int -D__PTRDIFF_TYPE__=int -D__WCHAR_TYPE__=long int -D__WINT_TYPE__=long int -D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc -D_REENTRANT -D_PTHREADS -DOSTYPE="SunOS5" -DOSARCH="SunOS" -DOJI -DNDEBUG -DTRIMMED -D_IEEE_LIBM -DMOZILLA_CLIENT -include ../../../config-defs.h -MD .deps/e_pow.pp e_pow.c -Wno-long-long e_pow.i
GNU CPP version 3.1 (cpplib) (sparc ELF)
ignoring nonexistent directory "/usr/local/gcc3.1/sparc-sun-solaris2.8/include"
ignoring duplicate directory "/usr/openwin/include"
ignoring duplicate directory "/usr/openwin/include"
#include "..." search starts here:
#include <...> search starts here:
 ../../../dist/include/js
 ../../../dist/include
 /local/mozilla/dist/include/nspr
 /usr/openwin/include
 /usr/local/include
 /usr/local/gcc3.1/include
 /usr/local/gcc3.1/lib/gcc-lib/sparc-sun-solaris2.8/3.1/include
 /usr/include
End of search list.
<command line>:1:1: warning: "__WCHAR_TYPE__" redefined
<command line>:1:1: warning: this is the location of the previous definition
 /usr/local/gcc3.1/lib/gcc-lib/sparc-sun-solaris2.8/3.1/cc1 -fpreprocessed e_pow.i -quiet -dumpbase e_pow.c -mcpu=ultrasparc -O3 -Wno-long-long -version -fPIC -fshort-wchar -o e_pow.s
GNU CPP version 3.1 (cpplib) (sparc ELF)
GNU C version 3.1 (sparc-sun-solaris2.8)
        compiled by GNU C version 3.1.
e_pow.c: In function `__ieee754_pow':
e_pow.c:376: insn does not satisfy its constraints:
(insn 1810 711 1813 (set (reg:DI 34 %f2)
        (reg/v:DI 64 %f32 [112])) 58 {*movdi_insn_sp32_v9} (nil)
    (nil))
e_pow.c:376: Internal compiler error in reload_cse_simplify_operands, at reload1.c:8368
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.

>How-To-Repeat:

UUdecode and unzip with bzip2 the following file:

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end

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: