[Bug target/47935] New: PowerPC64 -mcmodel=medium invalid lwa offset

[amodra at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47935

           Summary: PowerPC64 -mcmodel=medium invalid lwa offset
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: amodra@gmail.com


/* Testcase extracted from perl cpu2006
   -m64 -O2 -S results in
.L.foo:
        addis 9,2,.LANCHOR0@toc@ha
        lwa 0,.LANCHOR0+3@toc@l(9)
        ...
*/

static long PL_statusvalue;

void foo (void)
{
  int exitstatus;

  exitstatus = PL_statusvalue >> 8;
  if (exitstatus & 255)
    PL_statusvalue = exitstatus;
  else
    PL_statusvalue = 255;
}