/* Test that the correct data prefetch instructions are generated for i386
|
/* Test that the correct data prefetch instructions are generated for i386
|
variants that use 3DNow! prefetchw or SSE prefetch instructions with
|
variants that use 3DNow! prefetchw or SSE prefetch instructions with
|
locality hints. */
|
locality hints. */
|
|
|
/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
|
/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
|
/* { dg-require-effective-target ilp32 } */
|
/* { dg-require-effective-target ilp32 } */
|
|
|
extern void exit (int);
|
extern void exit (int);
|
|
|
char *msg = "howdy there";
|
char *msg = "howdy there";
|
|
|
void foo (char *p)
|
void foo (char *p)
|
{
|
{
|
__builtin_prefetch (p, 0, 0);
|
__builtin_prefetch (p, 0, 0);
|
__builtin_prefetch (p, 0, 1);
|
__builtin_prefetch (p, 0, 1);
|
__builtin_prefetch (p, 0, 2);
|
__builtin_prefetch (p, 0, 2);
|
__builtin_prefetch (p, 0, 3);
|
__builtin_prefetch (p, 0, 3);
|
__builtin_prefetch (p, 1, 0);
|
__builtin_prefetch (p, 1, 0);
|
__builtin_prefetch (p, 1, 1);
|
__builtin_prefetch (p, 1, 1);
|
__builtin_prefetch (p, 1, 2);
|
__builtin_prefetch (p, 1, 2);
|
__builtin_prefetch (p, 1, 3);
|
__builtin_prefetch (p, 1, 3);
|
}
|
}
|
|
|
int main ()
|
int main ()
|
{
|
{
|
foo (msg);
|
foo (msg);
|
exit (0);
|
exit (0);
|
}
|
}
|
|
|
/* { dg-final { scan-assembler "prefetchw" } } */
|
/* { dg-final { scan-assembler "prefetchw" } } */
|
/* { dg-final { scan-assembler "prefetchnta" } } */
|
/* { dg-final { scan-assembler "prefetchnta" } } */
|
/* { dg-final { scan-assembler "prefetcht" } } */
|
/* { dg-final { scan-assembler "prefetcht" } } */
|
|
|
