Note : the compile is fine without -funroll-loops

multi% gcc -v --save-temps -O -pipe -march=pentiumpro -Wall 
-funroll-loops -fschedule-insns2 -DLIBC_RCS -DSYSLIBC_RCS 
-I/files3/src/lib/libc/include -D__DBINTERFACE_PRIVATE -DINET6 
-DPOSIX_MISTAKE -I/files3/src/lib/libc/../libc/locale 
-DBROKEN_DES -DYP -I/usr/obj/files3/src/i386/usr/include 
-c uname.c  -o uname.o
gcc: Warning: -pipe ignored since -save-temps specified
Using builtin specs.
gcc version 2.95.2 19991024 (release)
 /usr/libexec/cpp -lang-c -v -I/files3/src/lib/libc/include 
-I/files3/src/lib/libc/../libc/locale 
-I/usr/obj/files3/src/i386/usr/include -D__GNUC__=2 
-D__GNUC_MINOR__=95 -Di386 -Dunix -D__FreeBSD__=4 
-D__FreeBSD_cc_version=400004 -D__i386__ -D__unix__ 
-D__FreeBSD__=4 -D__FreeBSD_cc_version=400004 -D__i386 
-D__unix -Acpu(i386) -Amachine(i386) -Asystem(unix) 
-Asystem(FreeBSD) -D__OPTIMIZE__ -Wall -Acpu(i386) 
-Amachine(i386) -Di386 -D__i386 -D__i386__ -D__ELF__ 
-DLIBC_RCS -DSYSLIBC_RCS -D__DBINTERFACE_PRIVATE -DINET6 
-DPOSIX_MISTAKE -DBROKEN_DES -DYP uname.c uname.i
GNU CPP version 2.95.2 19991024 (release) (i386 FreeBSD/ELF)
#include "..." search starts here:
#include <...> search starts here:
 /files3/src/lib/libc/include
 /files3/src/lib/libc/../libc/locale
 /usr/obj/files3/src/i386/usr/include
 /usr/include
 /usr/include
End of search list.
The following default directories have been omitted from 
the search path:
 /usr/include/g++
End of omitted list.
 /usr/libexec/cc1 uname.i -quiet -dumpbase uname.c 
-march=pentiumpro -O -Wall -version -funroll-loops 
-fschedule-insns2 -o uname.s
GNU C version 2.95.2 19991024 (release) (i386-unknown-freebsd) 
compiled by GNU C version 2.95.2 19991024 (release).
uname.c: In function `uname':
uname.c:125: Internal compiler error in `loop_iterations', 
at unroll.c:3689
Please submit a full bug report.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
multi% ll
total 19
-rw-r--r--  1 thierry.herbelot  users      0 Mar 18 11:24 test
-rw-r--r--  1 thierry.herbelot  users   3838 Mar 26 16:33 uname.c
-rw-r--r--  1 thierry.herbelot  users  13371 Mar 26 16:36 uname.i
-rw-r--r--  1 thierry.herbelot  users     51 Mar 26 16:36 uname.s
multi% 


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