fandnots.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 35 行

/* { 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 ();
}


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

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

/* { dg-final { scan-assembler-times "fandnot1s\t%" 4 } } */