fnands.c

Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

/* { dg-do compile } */
/* { dg-options "-O -mcpu=ultrasparc -mvis" } */
typedef char vec8 __attribute__((vector_size(4)));
typedef short vec16 __attribute__((vector_size(4)));

extern vec8 foo1_8(void);
extern vec8 foo2_8(void);

vec8 fun8(void)
{
  return ~(foo1_8 () & foo2_8 ());
}

extern vec16 foo1_16(void);
extern vec16 foo2_16(void);

vec16 fun16(void)
{
  return ~(foo1_16 () & foo1_16 ());
}

/* DeMorgan's Law's at work.  */
vec8 fun8b(void)
{
  return ~foo1_8 () | ~foo2_8 ();
}

vec16 fun16b(void)
{
  return ~foo1_16 () | ~foo1_16 ();
}

/* { dg-final { scan-assembler-times "fnands\t%" 4 } } */