optimization/8760: gcc 3.2.1 problem with -m128bit-long-double

[pnardu at tin dot it]

>Number:         8760
>Category:       optimization
>Synopsis:       gcc 3.2.1 problem with -m128bit-long-double
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Nov 29 12:26:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     pnardu@tin.it
>Release:        gcc-3.2.1
>Organization:
>Environment:
RedHat Linux 7.2, Kernel 2.4.19, glibc 2.2.5
>Description:
Compiling binutils 2.13.1 with:
CFLAGS="-m128bit-long-double" ./configure --prefix=/opt/test

gcc -DHAVE_CONFIG_H -I. -I. -I. -D_GNU_SOURCE -DDEBUG -I../bfd -I./../include -I./../bfd -I./../intl -I../intl -I. -DLOCALEDIR="\"/opt/test/share/locale\""   -W -Wall -Wstrict-prototypes -Wmissing-prototypes -m128bit-long-double -c cg_print.c
cg_print.c: In function `cg_print_function_ordering':
cg_print.c:869: internal error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
make[3]: *** [cg_print.o] Error 1
make[3]: Leaving directory `/usr/local/src/binutils-2.13.1/gprof'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/usr/local/src/binutils-2.13.1/gprof'
make[1]: *** [all-recursive-am] Error 2
make[1]: Leaving directory `/usr/local/src/binutils-2.13.1/gprof'
make: *** [all-gprof] Error 2
>How-To-Repeat:
gcc -v -Q -DHAVE_CONFIG_H -I. -I. -I. -D_GNU_SOURCE -DDEBUG -I../bfd -I./../include -I./../bfd -I./../intl -I../intl -I. -DLOCALEDIR="\"/opt/test/share/locale\""   -W -Wall -Wstrict-prototypes -Wmissing-prototypes -m128bit-long-double -S -o cg_print.s cg_print.c
Reading specs from /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/specs
Configured with: ./configure --enable-shared --with-gnu-as --with-gnu-ld --enable-threads --with-cpu=athlon-xp --enable-nls --with-included-gettext --with-catgets
Thread model: posix
gcc version 3.2.1
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/cc1 -lang-c -v -I. -I. -I. -I../bfd -I./../include -I./../bfd -I./../intl -I../intl -I. -D__GNUC__=3 -D__GNUC_MINOR__=2 -D__GNUC_PATCHLEVEL__=1 -D__GXX_ABI_VERSION=102 -D__ELF__ -Dunix -D__gnu_linux__ -Dlinux -D__ELF__ -D__unix__ -D__gnu_linux__ -D__linux__ -D__unix -D__linux -Asystem=posix -D__NO_INLINE__ -D__STDC_HOSTED__=1 -Acpu=i386 -Amachine=i386 -Di386 -D__i386 -D__i386__ -D__tune_i686__ -D__tune_pentiumpro__ -DHAVE_CONFIG_H -D_GNU_SOURCE -DDEBUG -DLOCALEDIR="/opt/test/share/locale" cg_print.c -dumpbase cg_print.c -m128bit-long-double -W -Wall -Wstrict-prototypes -Wmissing-prototypes -version -o cg_print.s
GNU CPP version 3.2.1 (cpplib) (i386 Linux/ELF)
GNU C version 3.2.1 (i686-pc-linux-gnu)
        compiled by GNU C version 3.2.1.
options passed:  -lang-c -v -I. -I. -I. -I../bfd -I./../include -I./../bfd
 -I./../intl -I../intl -I. -D__GNUC__=3 -D__GNUC_MINOR__=2
 -D__GNUC_PATCHLEVEL__=1 -D__GXX_ABI_VERSION=102 -D__ELF__ -Dunix
 -D__gnu_linux__ -Dlinux -D__ELF__ -D__unix__ -D__gnu_linux__ -D__linux__
 -D__unix -D__linux -Asystem=posix -D__NO_INLINE__ -D__STDC_HOSTED__=1
 -Acpu=i386 -Amachine=i386 -Di386 -D__i386 -D__i386__ -D__tune_i686__
 -D__tune_pentiumpro__ -DHAVE_CONFIG_H -D_GNU_SOURCE -DDEBUG
 -DLOCALEDIR="/opt/test/share/locale" -m128bit-long-double -W -Wall
 -Wstrict-prototypes -Wmissing-prototypes
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fgcse-lm -fgcse-sm -fsched-interblock -fsched-spec
 -fbranch-count-reg -fcommon -fgnu-linker -fargument-alias -fident
 -fmath-errno -ftrapping-math -m80387 -mhard-float -mno-soft-float
 -mieee-fp -mfp-ret-in-387 -m128bit-long-double -mcpu=pentiumpro
 -march=i386
ignoring nonexistent directory "NONE/include"
ignoring nonexistent directory "/usr/local/i686-pc-linux-gnu/include"
ignoring duplicate directory "."
ignoring duplicate directory "."
ignoring duplicate directory "../bfd"
ignoring duplicate directory "../intl"
ignoring duplicate directory "."
#include "..." search starts here:
#include <...> search starts here:
 .
 ../bfd
 ../include
 ../intl
 /usr/local/include
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/include
 /usr/include
End of search list.
 stat lstat fstat mknod stat64 lstat64 fstat64 print_header print_cycle cmp_member sort_members print_members cmp_arc sort_parents print_parents sort_children print_children print_line cg_print cmp_name cg_print_index cmp_arc_count cmp_fun_nuses cg_print_function_ordering
cg_print.c: In function `cg_print_function_ordering':
cg_print.c:869: internal error: Segmentation fault
>Fix:

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