Date: Tue, 16 Jul 1996 11:08:21 -0400 From: "Frank E. Terhaar-Yonkers" <fty@mcnc.org> To: freebsd-stable@FreeBSD.ORG Subject: sporadic compiler error with O2 and -pipe Message-ID: <199607161508.LAA23587@robin.mcnc.org.mcnc.org>
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Every now and then I get the following when I compile the kernel.
It's always the same .c file, and it never fails if I leave off -pipe
or use -O instead of -O2. Any ideas? System is a Tyan Tomcat/CY120+,
2.1.5r.
Thanks - Frank
===================================================
cc -c -O2 -pipe -m486 -W -Wreturn-type -Wcomment -Wredundant-decls -Wimplicit
-nostdinc -I. -I../.. -I../../sys -I../../../include -DLOCO -DI486_CPU
-DMAXCONS=4 -DXSERVER -DPROBE_VERBOSE -DDODUMP -DDDB -DSYSVMSG -DSYSVSEM
-DSYSVSHM -DNCONS=4 -DUCONSOLE -DSCSI_REPORT_GEOMETRY -DSCSI_DELAY=10
-DCOMPAT_43 -DKTRACE -DPROCFS -DMSDOSFS -DARP_PROXYALL -DGATEWAY -DFFS
-DINET -DBOUNCE_BUFFERS -DUSER_LDT -DNMBCLUSTERS=4096 -DKERNEL -Di386
-DLOAD_ADDRESS=0xF0100000 ../../msdosfs/msdosfs_vnops.c
../../msdosfs/msdosfs_vnops.c: In function `msdosfs_write':
../../msdosfs/msdosfs_vnops.c:769: internal error--insn does not satisfy its constraints:
(insn 398 1118 1121 (parallel[
(set (mem:DI (plus:SI (reg:SI 6 %ebp)
(const_int -72)))
(plus:DI (mem/s:DI (plus:SI (reg:SI 2 %ecx)
(const_int 8)))
(mem:DI (plus:SI (reg:SI 6 %ebp)
(const_int -80)))))
(clobber (scratch:SI))
] ) 127 {adddi3} (insn_list 397 (nil))
(expr_list:REG_DEAD (mem:DI (plus:SI (reg:SI 6 %ebp)
(const_int -80)))
(expr_list:REG_UNUSED (scratch:SI)
(nil))))
cpp: output pipe has been closed
cc: Internal compiler error: program cc1 got fatal signal 6
*** Error code 1
Stop.
{standard input}: Assembler messages:
{standard input}:1349: Error: Local symbol L301 never defined.
{standard input}:1349: Error: Local symbol L300 never defined.
{standard input}:1349: Error: Local symbol L267 never defined.
{standard input}:1349: Error: Local symbol L302 never defined.
{standard input}:1349: Error: Local symbol L276 never defined.
{standard input}:1349: Fatal error:5 errors, 0 warnings, no object file generated.
\\\\////\\\\////\\\\\////\\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\
Frank Terhaar-Yonkers, Manager
High Performance Computing and Communications Research
MCNC
PO Box 12889 3021 Cornwallis Road
Research Triangle Park, North Carolina 27709-2889
fty@mcnc.org voice (919)248-1417 FAX (919)248-1455
http://www.mcnc.org/hpcc.html
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