gcc/testsuite/gcc.target/powerpc/pr92132-int-2.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target p8vector_hw } */
   3 /* { dg-options "-O2 -ftree-vectorize -mdejagnu-cpu=power8 -fno-vect-cost-model -fdump-tree-vect-details" } */
   4
   5 /* To test condition reduction vectorization, where comparison operands are of
   6    unsigned long long type and condition true/false values are integer type.  */
   7
   8 #include <math.h>
   9
  10 extern void
  11 abort (void) __attribute__ ((noreturn));
  12
  13 #define N 27
  14 #define FP_TYPE unsigned long long
  15
  16 __attribute__ ((noinline)) int
  17 test_eq (FP_TYPE *a, FP_TYPE min_v)
  18 {
  19   int last = 0;
  20
  21   for (int i = 0; i < N; i++)
  22     if (a[i] == min_v)
  23       last = i;
  24
  25   return last;
  26 }
  27
  28 __attribute__ ((noinline)) int
  29 test_ne (FP_TYPE *a, FP_TYPE min_v)
  30 {
  31   int last = 0;
  32
  33   for (int i = 0; i < N; i++)
  34     if (a[i] != min_v)
  35       last = i;
  36
  37   return last;
  38 }
  39
  40 __attribute__ ((noinline)) int
  41 test_gt (FP_TYPE *a, FP_TYPE min_v)
  42 {
  43   int last = 0;
  44
  45   for (int i = 0; i < N; i++)
  46     if (a[i] > min_v)
  47       last = i;
  48
  49   return last;
  50 }
  51
  52 __attribute__ ((noinline)) int
  53 test_ge (FP_TYPE *a, FP_TYPE min_v)
  54 {
  55   int last = 0;
  56
  57   for (int i = 0; i < N; i++)
  58     if (a[i] >= min_v)
  59       last = i;
  60
  61   return last;
  62 }
  63
  64 __attribute__ ((noinline)) int
  65 test_lt (FP_TYPE *a, FP_TYPE min_v)
  66 {
  67   int last = 0;
  68
  69   for (int i = 0; i < N; i++)
  70     if (a[i] < min_v)
  71       last = i;
  72
  73   return last;
  74 }
  75
  76 __attribute__ ((noinline)) int
  77 test_le (FP_TYPE *a, FP_TYPE min_v)
  78 {
  79   int last = 0;
  80
  81   for (int i = 0; i < N; i++)
  82     if (a[i] <= min_v)
  83       last = i;
  84
  85   return last;
  86 }
  87
  88 int
  89 main (void)
  90 {
  91   int ret = 0;
  92
  93   FP_TYPE a1[N] = {11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 1,  2,  3, 4,
  94                    5,  6,  7,  8,  9,  10, 21, 22, 23, 24, 25, 26, 27};
  95
  96   FP_TYPE a2[N] = {21, 22, 23, 24, 25, 26, 27, 28, 29, 10, 11, 12, 13, 14,
  97                    15, 16, 17, 18, 19, 20, 1,  2,  3,  4,  5,  6,  7};
  98
  99   ret = test_eq (a1, 10);
 100   if (ret != 19)
 101     abort ();
 102
 103   ret = test_ne (a1, 10);
 104   if (ret != 26)
 105     abort ();
 106
 107   ret = test_gt (a2, 10);
 108   if (ret != 19)
 109     abort ();
 110
 111   ret = test_ge (a2, 10);
 112   if (ret != 19)
 113     abort ();
 114
 115   ret = test_lt (a1, 10);
 116   if (ret != 18)
 117     abort ();
 118
 119   ret = test_le (a1, 10);
 120   if (ret != 19)
 121     abort ();
 122
 123   return 0;
 124 }
 125
 126 /* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 6 "vect" } } */