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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [pr16194.c] - Rev 154

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/* { dg-do compile } */
/* { dg-options "-O" } */
/* { dg-bogus "internal compiler error" "ICE" { target *-*-* } 0 } */
 
#undef SKIP
#define ASMDECL __asm (REG);
#define CLOBBER_LIST : REG
#define INP_CLOBBER_LIST : CLOBBER_LIST
#if defined (__alpha__)
# define REG "$1"
#elif defined (__CRIS__) || defined (__sh__)
# define REG "r10"
#elif defined (__i386__)
# define REG "%eax"
#elif defined (__MMIX__)
# define REG "$8"
#elif defined (__powerpc__) || defined (__PPC__) || defined (__ppc__) \
        || defined (__POWERPC__) || defined (PPC) || defined (_IBMR2)
# define REG "6"
#elif defined (__x86_64__)
# define REG "rax"
#elif defined (__m68k__)
# define REG "%d0"
#else
/* Make this test harmless for any target not recognized above.  */
# define SKIP 1
#endif
 
#ifndef SKIP
 
struct A
{
  int a;
};
 
struct B
{
  struct A b[3];
};
 
struct C
{
  struct B c;
};
 
void bug (void)
{
  register char* dst ASMDECL;
  __asm__ ("":"=g"(*dst): : REG);
}
 
/* The tree optimizers currently prevent us from finding an overlap -
   we end up using a copy of dst rather than dst.
   But at least make sure we don't get an ICE.  */
void bug2 (void)
{
  register char* dst ASMDECL;
  __asm__ ("": :"g"(*dst) CLOBBER_LIST);
}
 
void
foo (void)
{
  register struct C *dst ASMDECL;
  __asm__ ("" : "=g"(dst->c.b[1].a) INP_CLOBBER_LIST);
}
 
#else
 
int main ()
{
  return 0;
}
 
#endif
 
 

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