validation/bitfield-size.c

   1 struct bfu {
   2         unsigned int a:4;
   3         unsigned int  :2;
   4         unsigned int b:4;
   5 };
   6 unsigned int get__bfu_a(struct bfu bf) { return bf.a; }
   7 unsigned int get__bfu_b(struct bfu bf) { return bf.b; }
   8 unsigned int get_pbfu_a(struct bfu *bf) { return bf->a; }
   9 unsigned int get_pbfu_b(struct bfu *bf) { return bf->b; }
  10
  11
  12 struct bfs {
  13         signed int a:4;
  14         signed int  :2;
  15         signed int b:4;
  16 };
  17 signed int get__bfs_a(struct bfs bf) { return bf.a; }
  18 signed int get__bfs_b(struct bfs bf) { return bf.b; }
  19 signed int get_pbfs_a(struct bfs *bf) { return bf->a; }
  20 signed int get_pbfs_b(struct bfs *bf) { return bf->b; }
  21
  22
  23 struct bfi {
  24         int a:4;
  25         int  :2;
  26         int b:4;
  27 };
  28 unsigned int get__bfi_a(struct bfi bf) { return bf.a; }
  29 unsigned int get__bfi_b(struct bfi bf) { return bf.b; }
  30 unsigned int get_pbfi_a(struct bfi *bf) { return bf->a; }
  31 unsigned int get_pbfi_b(struct bfi *bf) { return bf->b; }
  32
  33 /*
  34  * check-name: bitfield size
  35  * check-command: test-linearize -Wno-decl $file
  36  * check-output-ignore
  37  *
  38  * check-output-pattern-24-times: cast\\.
  39  * check-output-pattern-12-times: cast\\.4
  40  * check-output-pattern-6-times: lsr\\..*\\$6
  41  */