gcc/testsuite/gcc.target/arm/cmse/mainline/bitfield-9.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mcmse" } */
   3
   4 typedef struct
   5 {
   6   char a:3;
   7 } test_st3;
   8
   9 typedef struct
  10 {
  11   char a:3;
  12 } test_st2;
  13
  14 typedef struct
  15 {
  16   test_st2 st2;
  17   test_st3 st3;
  18 } test_st;
  19
  20 typedef union
  21 {
  22   test_st st;
  23   struct
  24     {
  25       unsigned int v1;
  26       unsigned int v2;
  27       unsigned int v3;
  28       unsigned int v4;
  29     }values;
  30 } read_st;
  31
  32 typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st);
  33
  34 int
  35 main (void)
  36 {
  37   read_st r;
  38   foo_ns f;
  39
  40   f = (foo_ns) 0x200000;
  41   r.values.v1 = 0xFFFFFFFF;
  42
  43   f (r.st);
  44   return 0;
  45 }
  46
  47 /* { dg-final { scan-assembler "movw\tip, #1799" } } */
  48 /* { dg-final { scan-assembler "and\tr0, r0, ip" } } */
  49 /* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */
  50 /* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */
  51 /* { dg-final { scan-assembler "mov\tr1, r4" } } */
  52 /* { dg-final { scan-assembler "mov\tr2, r4" } } */
  53 /* { dg-final { scan-assembler "mov\tr3, r4" } } */
  54 /* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */