gcc/testsuite/gcc.dg/bitint-91.c

   1 /* PR tree-optimization/113988 */
   2 /* { dg-do compile { target bitint } } */
   3 /* { dg-options "-O2" } */
   4 /* { dg-additional-options "-mavx512f" { target i?86-*-* x86_64-*-* } } */
   5
   6 int i;
   7
   8 #if __BITINT_MAXWIDTH__ >= 256
   9 void
  10 foo (void *p, _BitInt(256) x)
  11 {
  12   __builtin_memcpy (p, &x, sizeof x);
  13 }
  14
  15 _BitInt(256)
  16 bar (void *p, _BitInt(256) x)
  17 {
  18   _BitInt(246) y = x + 1;
  19   __builtin_memcpy (p, &y, sizeof y);
  20   return x;
  21 }
  22 #endif
  23
  24 #if __BITINT_MAXWIDTH__ >= 512
  25 void
  26 baz (void *p, _BitInt(512) x)
  27 {
  28   __builtin_memcpy (p, &x, sizeof x);
  29 }
  30
  31 _BitInt(512)
  32 qux (void *p, _BitInt(512) x)
  33 {
  34   _BitInt(512) y = x + 1;
  35   __builtin_memcpy (p, &y, sizeof y);
  36   return x;
  37 }
  38 #endif