/* { dg-do run { target powerpc*-*-* i?86-*-* x86_64-*-* } } */
|
/* { dg-do run { target powerpc*-*-* i?86-*-* x86_64-*-* } } */
|
/* { dg-options "-O1" } */
|
/* { dg-options "-O1" } */
|
/* Test to make sure that inline-asm causes the tree optimizers to get the
|
/* Test to make sure that inline-asm causes the tree optimizers to get the
|
V_MAY_DEFs and clobber memory. */
|
V_MAY_DEFs and clobber memory. */
|
/* Test from Jakub Jelinek, modified by Andrew Pinski to work on all powerpc targets. */
|
/* Test from Jakub Jelinek, modified by Andrew Pinski to work on all powerpc targets. */
|
extern void abort (void);
|
extern void abort (void);
|
|
|
unsigned short v = 0x0300;
|
unsigned short v = 0x0300;
|
|
|
void
|
void
|
foo (unsigned short *p)
|
foo (unsigned short *p)
|
{
|
{
|
*p = v;
|
*p = v;
|
}
|
}
|
|
|
int
|
int
|
bar (void)
|
bar (void)
|
{
|
{
|
unsigned short x;
|
unsigned short x;
|
volatile unsigned short *z;
|
volatile unsigned short *z;
|
foo (&x);
|
foo (&x);
|
const unsigned int y = x;
|
const unsigned int y = x;
|
z = &x;
|
z = &x;
|
#if defined (__powerpc__) || defined (__PPC__) || defined (__ppc__) || defined (_POWER) || defined (__ppc64__)
|
#if defined (__powerpc__) || defined (__PPC__) || defined (__ppc__) || defined (_POWER) || defined (__ppc64__)
|
__asm __volatile ("sthbrx %1,0,%2" : "=m" (*z) : "r" (y), "r" (z));
|
__asm __volatile ("sthbrx %1,0,%2" : "=m" (*z) : "r" (y), "r" (z));
|
#elif defined __i386__ || defined __x86_64__
|
#elif defined __i386__ || defined __x86_64__
|
__asm __volatile ("movb %b1,1(%2); movb %h1,(%2)" : "=m" (*z) : "r" (y), "r"
|
__asm __volatile ("movb %b1,1(%2); movb %h1,(%2)" : "=m" (*z) : "r" (y), "r"
|
(z));
|
(z));
|
#endif
|
#endif
|
return (x & 1) == 0;
|
return (x & 1) == 0;
|
}
|
}
|
|
|
int
|
int
|
main (void)
|
main (void)
|
{
|
{
|
if (bar ())
|
if (bar ())
|
abort ();
|
abort ();
|
return 0;
|
return 0;
|
}
|
}
|
|
|
