gcc/testsuite/gcc.c-torture/execute/pr53645.c

   1 /* PR tree-optimization/53645 */
   2 /* { dg-options "-std=gnu89" } */
   3
   4 typedef unsigned int UV __attribute__((vector_size (16)));
   5 typedef int SV __attribute__((vector_size (16)));
   6 extern void abort (void);
   7
   8 #define TEST(a, b, c, d) \
   9 __attribute__((noinline)) void          \
  10 uq##a##b##c##d (UV *x, UV *y)           \
  11 {                                       \
  12   *x = *y / ((UV) { a, b, c, d });      \
  13 }                                       \
  14                                         \
  15 __attribute__((noinline)) void          \
  16 ur##a##b##c##d (UV *x, UV *y)           \
  17 {                                       \
  18   *x = *y % ((UV) { a, b, c, d });      \
  19 }                                       \
  20                                         \
  21 __attribute__((noinline)) void          \
  22 sq##a##b##c##d (SV *x, SV *y)           \
  23 {                                       \
  24   *x = *y / ((SV) { a, b, c, d });      \
  25 }                                       \
  26                                         \
  27 __attribute__((noinline)) void          \
  28 sr##a##b##c##d (SV *x, SV *y)           \
  29 {                                       \
  30   *x = *y % ((SV) { a, b, c, d });      \
  31 }
  32
  33 #define TESTS \
  34 TEST (4, 4, 4, 4)                       \
  35 TEST (1, 4, 2, 8)                       \
  36 TEST (3, 3, 3, 3)                       \
  37 TEST (6, 5, 6, 5)                       \
  38 TEST (14, 14, 14, 6)                    \
  39 TEST (7, 7, 7, 7)                       \
  40
  41 TESTS
  42
  43 UV u[] =
  44   { ((UV) { 73U, 65531U, 0U, 174U }),
  45     ((UV) { 1U, 8173U, ~0U, ~0U - 63 }) };
  46 SV s[] =
  47   { ((SV) { 73, -9123, 32761, 8191 }),
  48     ((SV) { 9903, -1, -7323, 0 }) };
  49
  50 int
  51 main ()
  52 {
  53   UV ur, ur2;
  54   SV sr, sr2;
  55   int i;
  56 #undef TEST
  57 #define TEST(a, b, c, d)                                \
  58     uq##a##b##c##d (&ur, u + i);                        \
  59     if (ur[0] != u[i][0] / a || ur[3] != u[i][3] / d)   \
  60      abort ();                                          \
  61     asm volatile ("" : : "r" (&ur) : "memory");         \
  62     if (ur[2] != u[i][2] / c || ur[1] != u[i][1] / b)   \
  63      abort ();                                          \
  64     asm volatile ("" : : "r" (&ur) : "memory");         \
  65     ur##a##b##c##d (&ur, u + i);                        \
  66     if (ur[0] != u[i][0] % a || ur[3] != u[i][3] % d)   \
  67      abort ();                                          \
  68     asm volatile ("" : : "r" (&ur) : "memory");         \
  69     if (ur[2] != u[i][2] % c || ur[1] != u[i][1] % b)   \
  70      abort ();                                          \
  71     asm volatile ("" : : "r" (&ur) : "memory");
  72   for (i = 0; i < sizeof (u) / sizeof (u[0]); i++)
  73     {
  74       TESTS
  75     }
  76 #undef TEST
  77 #define TEST(a, b, c, d)                                \
  78     sq##a##b##c##d (&sr, s + i);                        \
  79     if (sr[0] != s[i][0] / a || sr[3] != s[i][3] / d)   \
  80      abort ();                                          \
  81     asm volatile ("" : : "r" (&sr) : "memory");         \
  82     if (sr[2] != s[i][2] / c || sr[1] != s[i][1] / b)   \
  83      abort ();                                          \
  84     asm volatile ("" : : "r" (&sr) : "memory");         \
  85     sr##a##b##c##d (&sr, s + i);                        \
  86     if (sr[0] != s[i][0] % a || sr[3] != s[i][3] % d)   \
  87      abort ();                                          \
  88     asm volatile ("" : : "r" (&sr) : "memory");         \
  89     if (sr[2] != s[i][2] % c || sr[1] != s[i][1] % b)   \
  90      abort ();                                          \
  91     asm volatile ("" : : "r" (&sr) : "memory");
  92   for (i = 0; i < sizeof (s) / sizeof (s[0]); i++)
  93     {
  94       TESTS
  95     }
  96   return 0;
  97 }