Re: i386 optimizer bug?

Re: i386 optimizer bug?

[djohnson]

Hi,

The code fragment compiled and ran fine with,
	
	platform: i386-linux-gnulibc1
	lib-5.4.23
	ld.so 1.9.2

compiled with,
xgcc -g -O2 -Wall -L./ -o /home/djohnson/source/ansi-c/test
/home/djohnson/source/ansi-c/test.c

niobium:~/source/ansi-c> strace -o test.log test
niobium:~/source/ansi-c> cat test.log
mmap(0, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|0x20, 4294967295, 0) = 
0x40007000
mprotect(0x40000000, 20500, PROT_READ|PROT_WRITE|PROT_EXEC) = 0
mprotect(0x8000000, 13973, PROT_READ|PROT_WRITE|PROT_EXEC) = 0
stat("/etc/ld.so.cache", {st_mode=S_IFREG|0644, st_size=8399, ...}) = 0
open("/etc/ld.so.cache", O_RDONLY)      = 4
mmap(0, 8399, PROT_READ, MAP_SHARED, 4, 0) = 0x40008000
close(4)                                = 0
stat("/etc/ld.so.preload", 0xbffff4a8)  = -1 ENOENT (No such file or 
directory)
open("/usr/local/nasoft/lib/libc.so.5", O_RDONLY) = -1 ENOENT (No such 
file or directory)
open("/lib/libc.so.5", O_RDONLY)        = 4
read(4, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3"..., 4096) = 4096
mmap(0, 790528, PROT_NONE, MAP_PRIVATE|0x20, 4294967295, 0) = 0x4000b000
mmap(0x4000b000, 559479, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 4, 
0) = 0x4000b000
mmap(0x40094000, 21476, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 4, 
0x88000) = 0x40094000
mmap(0x4009a000, 203336, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_FIXED|0x20, 4294967295, 0) = 0x4009a000
close(4)                                = 0
mprotect(0x4000b000, 559479, PROT_READ|PROT_WRITE|PROT_EXEC) = 0
munmap(0x40008000, 8399)                = 0
mprotect(0x8000000, 13973, PROT_READ|PROT_EXEC) = 0
mprotect(0x4000b000, 559479, PROT_READ|PROT_EXEC) = 0
mprotect(0x40000000, 20500, PROT_READ|PROT_EXEC) = 0
SYS_136(0, 0x1, 0x4, 0x40006190, 0x80008c0) = 0
brk(0)                                  = 0x80048b8
geteuid()                               = 501
getuid()                                = 501
getgid()                                = 100
getegid()                               = 100
_exit(1)                                = ?


Douglas Johnson
J. C. Garland Condensed Matter Physics Lab
The Ohio State University
174 West 18th Avenue
Columbus, Ohio 43210
Phone: 614-292-8075
E-mail: djohnson@mps.ohio-state.edu

Re: egcs-ss-970821 is available

[H.J. Lu]

>   > ftp://ftp.yggdrasil.com/private/hjl/libg++-2.8.0b6-glibc.6.diff.gz
> The libgstdc++ distribution will _not_ be libg++-2.8.0b6 based,
> so you patch is not appropriate.
> 

Ok. I will take a look when it is available. I am concerned about
iostream.

-- 
H.J. Lu (hjl@gnu.ai.mit.edu)