c/3464: simple comparision gives wrong result on -maix64 with any optimization

[dje@gcc.gnu.org]

Synopsis: simple comparision gives wrong result on -maix64 with any optimization

Responsible-Changed-From-To: unassigned->dje
Responsible-Changed-By: dje
Responsible-Changed-When: Fri Jul  6 22:53:56 2001
Responsible-Changed-Why:
    PowerPc codegen
State-Changed-From-To: open->analyzed
State-Changed-By: dje
State-Changed-When: Fri Jul  6 22:53:56 2001
State-Changed-Why:
    64-bit sign extension overflow

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=3464&database=gcc