gcc/testsuite/gcc.target/aarch64/assembler_arch_1.c

   1 /* { dg-do assemble } */
   2 /* { dg-require-effective-target aarch64_asm_lse_ok } */
   3 /* { dg-options "-march=armv8-a" } */
   4
   5 /* Make sure that the function header in assembly doesn't override
   6    user asm arch_extension directives.  */
   7
   8 __asm__ (".arch_extension lse");
   9
  10 void
  11 foo (int i, int *v)
  12 {
  13   register int w0 asm ("w0") = i;
  14   register int *x1 asm ("x1") = v;
  15
  16   asm volatile (
  17   "\tstset   %w[i], %[v]\n"
  18   : [i] "+r" (w0), [v] "+Q" (v)
  19   : "r" (x1)
  20   : "x30");
  21 }