gcc/testsuite/gcc.target/aarch64/sve/ext_2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -msve-vector-bits=256" } */
   3
   4 typedef int vnx4si __attribute__((vector_size (32)));
   5
   6 void
   7 foo (void)
   8 {
   9   register vnx4si x asm ("z0");
  10   register vnx4si y asm ("z1");
  11
  12   asm volatile ("" : "=w" (y));
  13   x = __builtin_shuffle (y, y, (vnx4si) { 1, 2, 3, 4, 5, 6, 7, 8 });
  14   asm volatile ("" :: "w" (x));
  15 }
  16
  17 /* { dg-final { scan-assembler {\tmov\tz0\.d, z1\.d\n} } } */
  18 /* { dg-final { scan-assembler {\text\tz0\.b, z0\.b, z[01]\.b, #4\n} } } */