optimization/5559: gcc-3.0.3 fails to compile mozilla 0.9.7 (e_pow.c) on sparc-sun-solaris2.8 when optimization >= -O2

optimization/5559: gcc-3.0.3 fails to compile mozilla 0.9.7 (e_pow.c) on sparc-sun-solaris2.8 when optimization >= -O2

[niki.waibel]

>Number:         5559
>Category:       optimization
>Synopsis:       gcc-3.0.3 fails to compile mozilla 0.9.7 (e_pow.c) on sparc-sun-solaris2.8 when optimization >= -O2
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jan 31 13:26:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Niki W. Waibel
>Release:        gcc version 3.0.3
>Organization:
>Environment:
SunOS blade100-2 5.8 Generic_108528-11 sun4u sparc
>Description:
gcc-3.0.3 fails to compile mozilla 0.9.7 (e_pow.c) on sparc-sun-solaris2.8 when optimization >= -O2.

gcc compiles with -O0 and -O1 but fails with -O2 and -O3.

===

nwaibel@blade100-2 ~/compile/mozilla/js/src/fdlibm $ gcc -v -save-temps -o e_pow.o -c -DOSTYPE=\"SunOS5\" -DOSARCH=\"SunOS\" -DOJI   -I../../../dist/include/js -I../../../dist/include -I/home/nwaibel/compile/mozilla/dist/include/nspr         -fPIC -I/misc/sparc-sun-solaris2.8/include  -pedantic -Wno-long-long -O3 -I/misc/sparc-sun-solaris2.8/include -fshort-wchar -pthreads -pipe  -DDEBUG -D_DEBUG -DDEBUG_nwaibel -DTRACING -g -O2 -D_IEEE_LIBM  -I/misc/sparc-sun-solaris2.8/include  -include ../../../config-defs.h -DMOZILLA_CLIENT -Wp,-MD,.deps/e_pow.pp e_pow.c

gcc: Warning: -pipe ignored because -save-temps specified

Reading specs from /misc/sparc-sun-solaris2.8/bin/../lib/gcc-lib/sparc-sun-solaris2.8/3.0.3/specs

Configured with: ../gcc-3.0.3/configure --prefix=/misc/sparc-sun-solaris2.8/opt/gcc/3.0.3 --disable-shared --enable-languages=all --enable-threads --disable-shared --disable-nls --with-cpu=ultrasparc

Thread model: posix

gcc version 3.0.3

 /misc/sparc-sun-solaris2.8/bin/../lib/gcc-lib/sparc-sun-solaris2.8/3.0.3/cpp0 -lang-c -v -I../../../dist/include/js -I../../../dist/include -I/home/nwaibel/compile/mozilla/dist/include/nspr -I/misc/sparc-sun-solaris2.8/include -I/misc/sparc-sun-solaris2.8/include -I/misc/sparc-sun-solaris2.8/include -iprefix /misc/sparc-sun-solaris2.8/bin/../lib/gcc-lib/sparc-sun-solaris2.8/3.0.3/ -D__GNUC__=3 -D__GNUC_MINOR__=0 -D__GNUC_PATCHLEVEL__=3 -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__ -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=short unsigned int -D__STDC_HOSTED__=1 -Wno-long-long -pedantic -D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc -D_REENTRANT -D_PTHREADS -DOSTYPE="SunOS5" -DOSARCH="SunOS" -DOJI -DDEBUG -D_DEBUG -DDEBUG_nwaibel -DTRACING -D_IEEE_LIBM -DMOZILLA_CLIENT -include ../../../config-defs.h -MD .deps/e_pow.pp e_pow.c e_pow.i

GNU CPP version 3.0.3 (cpplib) (sparc)

ignoring nonexistent directory "/misc/sparc-sun-solaris2.8/lib/gcc-lib/../../sparc-sun-solaris2.8/include"

ignoring nonexistent directory "/usr/local/include"

ignoring nonexistent directory "/misc/sparc-sun-solaris2.8/opt/gcc/3.0.3/sparc-sun-solaris2.8/include"

ignoring duplicate directory "/misc/sparc-sun-solaris2.8/include"

ignoring duplicate directory "/misc/sparc-sun-solaris2.8/include"

ignoring duplicate directory "/misc/sparc-sun-solaris2.8/opt/gcc/3.0.3/lib/gcc-lib/sparc-sun-solaris2.8/3.0.3/include"

#include "..." search starts here:

#include <...> search starts here:

 ../../../dist/include/js

 ../../../dist/include

 /home/nwaibel/compile/mozilla/dist/include/nspr

 /misc/sparc-sun-solaris2.8/include

 /misc/sparc-sun-solaris2.8/lib/gcc-lib/sparc-sun-solaris2.8/3.0.3/include

 /usr/include

End of search list.

 /misc/sparc-sun-solaris2.8/bin/../lib/gcc-lib/sparc-sun-solaris2.8/3.0.3/cc1 -fpreprocessed e_pow.i -quiet -dumpbase e_pow.c -g -O3 -O2 -Wno-long-long -pedantic -version -fPIC -fshort-wchar -o e_pow.s

GNU CPP version 3.0.3 (cpplib) (sparc)

GNU C version 3.0.3 (sparc-sun-solaris2.8)

        compiled by GNU C version 3.0.3.

e_pow.c: In function `__ieee754_pow':

e_pow.c:376: Insn does not satisfy its constraints:

(insn 2311 2308 1404 (set (reg:SI 9 %o1)

        (reg:SI 39 %f7 [38])) 51 {*movsi_insn} (nil)

    (nil))

e_pow.c:376: Internal compiler error in reload_cse_simplify_operands, at reload1.c:8364

Please submit a full bug report,

with preprocessed source if appropriate.

See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.

nwaibel@blade100-2 ~/compile/mozilla/js/src/fdlibm $ 

===
>How-To-Repeat:
gcc -o e_pow.o -c -DOSTYPE=\"SunOS5\" -DOSARCH=\"SunOS\" -DOJI -fPIC -pedantic -Wno-long-long -fshort-wchar -pthreads  -DDEBUG -D_DEBUG -DDEBUG_nwaibel -DTRACING -g -O2 -D_IEEE_LIBM -DMOZILLA_CLIENT e_pow.i
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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Re: optimization/5559: gcc-3.0.3 fails to compile mozilla 0.9.7 (e_pow.c) on sparc-sun-solaris2.8 when optimization >= -O2

[rth]

Synopsis: gcc-3.0.3 fails to compile mozilla 0.9.7 (e_pow.c) on sparc-sun-solaris2.8 when optimization >= -O2

State-Changed-From-To: open->closed
State-Changed-By: rth
State-Changed-When: Wed Apr  3 02:14:34 2002
State-Changed-Why:
    Fixed for gcc 3.1.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5559