gcc/testsuite/gcc.dg/memcpy-5.c

   1 /* { dg-options "-O -fdump-tree-optimized" } */
   2
   3 extern void *memcpy (void *, const void *, __SIZE_TYPE__);
   4
   5 #define TEST(NAME, TYPE) \
   6   TYPE NAME##x; \
   7   char NAME##y[sizeof (NAME##x)] __attribute__((aligned (__alignof__ (NAME##x)))); \
   8   void NAME (void) { memcpy (&NAME##x, &NAME##y, sizeof (NAME##x)); }
   9
  10 TEST (f, float);
  11 TEST (d, double);
  12 TEST (ld, long double);
  13 TEST (cf, _Complex float);
  14 TEST (cd, _Complex double);
  15 TEST (cld, _Complex long double);
  16 TEST (d8f, float __attribute__((vector_size (8))));
  17 TEST (d16f, float __attribute__((vector_size (16))));
  18 TEST (d32f, float __attribute__((vector_size (32))));
  19 TEST (d64f, float __attribute__((vector_size (64))));
  20 TEST (d128f, float __attribute__((vector_size (128))));
  21 TEST (d16d, double __attribute__((vector_size (16))));
  22 TEST (d32d, double __attribute__((vector_size (32))));
  23 TEST (d64d, double __attribute__((vector_size (64))));
  24 TEST (d128d, double __attribute__((vector_size (128))));
  25
  26 /* { dg-final { scan-tree-dump-not "memcpy" "optimized" { target x86_64-*-* } } } */
  27 /* { dg-final { cleanup-tree-dump "optimized" } } */