gcc/testsuite/gcc.target/aarch64/vdup_n_2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fno-inline --save-temps" } */
   3
   4 extern void abort (void);
   5
   6 typedef float float32x2_t __attribute__ ((__vector_size__ ((8))));
   7 typedef unsigned int uint32x2_t __attribute__ ((__vector_size__ ((8))));
   8
   9 float32x2_t
  10 test_dup_1 (float32x2_t in)
  11 {
  12   return __builtin_shuffle (in, (uint32x2_t) {1, 1});
  13 }
  14
  15 int
  16 main (int argc, char **argv)
  17 {
  18   float32x2_t test = {2.718, 3.141};
  19   float32x2_t res = test_dup_1 (test);
  20   if (res[0] != test[1] || res[1] != test[1])
  21     abort ();
  22   return 0;
  23 }
  24
  25 /* { dg-final { scan-assembler-times "\[ \t\]*dup\[ \t\]+v\[0-9\]+\.2s, ?v\[0-9\]+\.s\\\[\[01\]\\\]" 1 } } */
  26 /* { dg-final { scan-assembler-not "zip" } } */
  27 /* { dg-final { cleanup-saved-temps } } */
  28