OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [struct-cpy-1.c] - Rev 774

Go to most recent revision | Compare with Previous | Blame | View Log

/* powerpc64-linux gcc miscompiled this due to rs6000.c:expand_block_move
   not setting mem aliasing info correctly for the code implementing the
   structure assignment.  */
 
struct termios
{
  unsigned int a;
  unsigned int b;
  unsigned int c;
  unsigned int d;
  unsigned char pad[28];
};
 
struct tty_driver
{
  unsigned char pad1[38];
  struct termios t __attribute__ ((aligned (8)));
};
 
static struct termios zero_t;
static struct tty_driver pty;
 
void ini (void)
{
  pty.t = zero_t;
  pty.t.a = 1;
  pty.t.b = 2;
  pty.t.c = 3;
  pty.t.d = 4;
}
 
int main (void)
{
  extern void abort (void);
 
  ini ();
  if (pty.t.a != 1
      || pty.t.b != 2
      || pty.t.c != 3
      || pty.t.d != 4)
    abort ();
  return 0;
}
 

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.