Subversion Repositories openrisc

/* Test that the correct data prefetch instructions are generated for i386

   variants that use SSE prefetch instructions.  */

/* { dg-do compile { target { { i?86-*-* x86_64-*-* } && ia32 } } } */

extern void exit (int);

char *msg = "howdy there";

void foo (char *p)

{

  __builtin_prefetch (p, 0, 0);

  __builtin_prefetch (p, 0, 1);

  __builtin_prefetch (p, 0, 2);

  __builtin_prefetch (p, 0, 3);

  __builtin_prefetch (p, 1, 0);

  __builtin_prefetch (p, 1, 1);

  __builtin_prefetch (p, 1, 2);

  __builtin_prefetch (p, 1, 3);

}

int main ()

{

  foo (msg);

  exit (0);

}

/* { dg-final { scan-assembler "prefetchnta" } } */

/* { dg-final { scan-assembler "prefetcht0" } } */

/* { dg-final { scan-assembler "prefetcht1" } } */

/* { dg-final { scan-assembler "prefetcht2" } } */

/* { dg-final { scan-assembler-not "prefetchw" } } */