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User-Agent: Mozilla/4.78 [en] (X11; U; Linux 2.4.7-10 i686)

Description of problem:
when trying to install a breakpoint at an address with movl instructions, gdb
reports the breakpoint as existing, but fails to stop execution when arriving at
it

Version-Release number of selected component (if applicable): 
5.1-1


How reproducible:
Always

Steps to Reproduce:
1.build the attached source file - "gcc -g -o movl movl.c"
2.run "gdb movl"
3.set a breakpoint at a movl instruction - "b *0x40000000000006b1"
4.run the program - "r" 
	

Actual Results:  the program will terminate without stopping 

Expected Results:  the program should stop execution at the breakpoint

Additional info:

the source code ( if the attachement does not arrive )

------------------ start code ----------------------------
/* file movl.c 
 * demonstrate gdb problem
 */
#include <stdio.h>

int main ()
{
  unsigned long r;

  __asm__ __volatile__ ("movl r24=0xe000000000000198;;\n"
                        "movl r25=0xe000000000000198;;\n"
                        "add %0=r24, r25;;\n"
                        :"=r"(r):: "r24", "r25");
  printf ("%lx\n", r);

  return 0;
}
------------------ end code ----------------------------