Thread View: gnu.g++.bug
1 messages
1 total messages
Started by James Clark
Wed, 10 May 1989 23:38
1.35.0- double alignment problems
Author: James Clark
Date: Wed, 10 May 1989 23:38
Date: Wed, 10 May 1989 23:38
44 lines
1933 bytes
1933 bytes
g++ 1.35.0- on the sparc fails to align doubles on an 8 byte boundary:
Script started on Thu May 11 00:32:04 1989
jclark% cat test.c
double d;
main()
{
d = 0.0;
}
jclark% make test
/u/local/g++/g++ -B/u/local/g++/ -g -v -sun4 -o test test.c
g++ version 1.35.0-
/usr/local/lib/gcc-cpp -+ -v -undef -D__GNU__ -D__GNUG__ -Dsparc -Dsun -Dunix -D__sparc__ -D__sun__ -D__unix__ test.c /tmp/cca24267.cpp
GNU CPP version 1.35
/u/local/g++/cc1plus /tmp/cca24267.cpp -quiet -dumpbase test.c -noreg -version -G -o /tmp/cca24267.s
GNU C++ version 1.35.0- (sparc) compiled by GNU C version 1.35.
as /tmp/cca24267.s -o test.o
/u/local/g++/ld++ -o test -C -C /u/local/g++/crt0+.o test.o -lg++ /usr/local/lib/gcc-gnulib -lg -lc
/u/local/g++/g++: unrecognized option `-sun4'
jclark% test
Bus error (core dumped)
jclark% gdb test core
GDB 3.1, Copyright (C) 1988 Free Software Foundation, Inc.
There is ABSOLUTELY NO WARRANTY for GDB; type "info warranty" for details.
GDB is free software and you are welcome to distribute copies of it
under certain conditions; type "info copying" to see the conditions.
Reading symbol data from /u/jjc/test/test...done.
Core file is from "test".
Program terminated with signal 10, Bus error.
Type "help" for a list of commands.
(gdb) where
#0 0x2128 in main () (test.c line 5)
(gdb) print &d
$1 = (double *) 0x660c
(gdb) quit
jclark% exit
jclark%
script done on Thu May 11 00:32:47 1989
This won't cause a core dump on a Sun 4 unless an FPU is installed.
James Clark
jjc@jclark.uucp
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