?? i386-pf-3dnow-1.c
字號:
/* Test that the correct data prefetch instructions are generated for i386 variants that use 3DNow! prefetch instructions. *//* { dg-do compile { target i?86-*-* x86_64-*-*} } *//* { dg-require-effective-target ilp32 } */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 "prefetch" } } *//* { dg-final { scan-assembler "prefetchw" } } *//* { dg-final { scan-assembler-not "prefetchnta" } } *//* { dg-final { scan-assembler-not "prefetcht" } } */
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