gcc/testsuite/gcc.dg/pr96377-3.c

   1 /* { dg-do compile { target aarch64*-*-* } } */
   2 /* { dg-options "-fno-lax-vector-conversions" } */
   3 /* { dg-message "use '-flax-vector-conversions' to permit conversions" "" { target *-*-* } 0 } */
   4
   5 typedef int v4si __attribute__((vector_size(16)));
   6 typedef short v8hi __attribute__((vector_size(16)));
   7
   8 struct s { v8hi x; v4si y; };
   9 union u1 { v8hi x; v4si y; };
  10 union u2 { v4si s; v8hi y; };
  11
  12 void
  13 foo (__Int32x4_t i, __Int16x8_t h)
  14 {
  15   struct s x1 = { i, i }; // { dg-error "incompatible types when initializing type '__vector" }
  16   struct s x2 = { h, h }; // { dg-error "incompatible types" }
  17   struct s x3 = { i, h }; // { dg-error "incompatible types" }
  18   struct s x4 = { h, i };
  19
  20   union u1 y1 = { i }; // { dg-error "incompatible types" }
  21   union u1 y2 = { h };
  22   union u2 y3 = { i };
  23   union u2 y4 = { h }; // { dg-error "incompatible types" }
  24
  25   v4si z1[] = { i, i };
  26   v4si z2[] = { i, h }; // { dg-error "incompatible types" }
  27   v4si z3[] = { h, i }; // { dg-error "incompatible types" }
  28   v4si z4[] = { h, h }; // { dg-error "incompatible types" }
  29   v8hi z5[] = { i, i }; // { dg-error "incompatible types" }
  30   v8hi z6[] = { i, h }; // { dg-error "incompatible types" }
  31   v8hi z7[] = { h, i }; // { dg-error "incompatible types" }
  32   v8hi z8[] = { h, h };
  33 }