gcc/testsuite/gcc.target/sparc/fxnor.c

/* { dg-do compile } */
/* { dg-options "-O -mcpu=ultrasparc -mvis" } */
typedef char  vec8 __attribute__((vector_size(8)));
typedef short vec16 __attribute__((vector_size(8)));
typedef int   vec32 __attribute__((vector_size(8)));

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

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

vec8 fun8_2(vec8 a, vec8 b)
{
  return ~(a ^ b);
}

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

vec16 fun16(void)
{
  return ~(foo1_16 () ^ foo2_16 ());
}

vec16 fun16_2(vec16 a, vec16 b)
{
  return ~(a ^ b);
}

extern vec32 foo1_32(void);
extern vec32 foo2_32(void);

vec32 fun32(void)
{
  return ~(foo1_32 () ^ foo2_32 ());
}

vec32 fun32_2(vec32 a, vec32 b)
{
  return ~(a ^ b);
}


/* This should be transformed into ~(b ^ a).  */
vec8 fun8b(void)
{
  return foo1_8 () ^ ~foo2_8 ();
}

vec8 fun8_2b(vec8 a, vec8 b)
{
  return a ^ ~b;
}

vec16 fun16b(void)
{
  return foo1_16 () ^ ~foo2_16 ();
}

vec16 fun16_2b(vec16 a, vec16 b)
{
  return a ^ ~b;
}

vec32 fun32b(void)
{
  return foo1_32 () ^ ~foo2_32 ();
}

vec32 fun32_2b(vec32 a, vec32 b)
{
  return a ^ ~b;
}

/* { dg-final { scan-assembler-times "fxnor\t%" 12 } } */