gcc/testsuite/gcc.target/i386/pr54703.c

   1 /* PR target/54703 */
   2 /* { dg-do run { target sse2_runtime } } */
   3 /* { dg-options "-O -msse2" } */
   4 /* { dg-additional-options "-mavx -mtune=bdver1" { target avx_runtime } } */
   5
   6 extern void abort (void);
   7 typedef double V __attribute__((vector_size(16)));
   8
   9 union {
  10   unsigned long long m[2];
  11   V v;
  12 } u = { { 0xffffffffff000000ULL, 0xffffffffff000000ULL } };
  13
  14 static inline V
  15 foo (V x)
  16 {
  17   V y = __builtin_ia32_andpd (x, u.v);
  18   V z = __builtin_ia32_subpd (x, y);
  19   return __builtin_ia32_mulpd (y, z);
  20 }
  21
  22 void
  23 test (V *x)
  24 {
  25   V a = { 2.1, 2.1 };
  26   *x = foo (foo (a));
  27 }
  28
  29 int
  30 main ()
  31 {
  32   test (&u.v);
  33   if (u.m[0] != 0x3acbf487f0a30550ULL || u.m[1] != u.m[0])
  34     abort ();
  35   return 0;
  36 }