gcc/testsuite/gcc.target/arc/pr9000674901.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "" { ! { clmcpu } } } */
   3 /* { dg-options "-mcpu=arc700 -O2 -fpic" } */
   4
   5 /* Test if the compiler generates a constant address having that uses
   6    a neg keyword on the pic unspec.  */
   7
   8 typedef unsigned int uint32_t;
   9 typedef unsigned char uint8_t;
  10 typedef unsigned short int uint16_t;
  11 typedef unsigned long long int uint64_t;
  12
  13 enum type {
  14  t_undef = 0x01,
  15  t_group = 0x02,
  16  t_partition = 0x04,
  17  t_spare = 0x08,
  18  t_linear = 0x10,
  19  t_raid0 = 0x20,
  20  t_raid1 = 0x40,
  21  t_raid4 = 0x80,
  22  t_raid5_ls = 0x100,
  23  t_raid5_rs = 0x200,
  24  t_raid5_la = 0x400,
  25  t_raid5_ra = 0x800,
  26  t_raid6 = 0x1000,
  27 };
  28
  29 struct raid_set {
  30   enum type type;
  31 };
  32
  33 void
  34 _find_factors (struct raid_set *rs, uint8_t * div, uint8_t * sub)
  35 {
  36   struct factors {
  37     const uint8_t level;
  38     const uint8_t div, sub;
  39   };
  40   static struct factors factors[] = {
  41     {0, 1, 0},
  42     {1, 2, 0},
  43     {2, 2, 0},
  44     {5, 1, 1},
  45   };
  46   struct factors *f = (factors + (sizeof (factors) / sizeof (*factors)));
  47
  48   while (f-- > factors) {
  49     if (rs->type == f->level) {
  50       *div = f->div;
  51       *sub = f->sub;
  52       return;
  53     }
  54   }
  55
  56   *div = 1;
  57   *sub = 0;
  58 }