gcc/testsuite/gcc.dg/vect/pr113281-2.c

   1 /* { dg-do compile } */
   2
   3 #define N 128
   4
   5 short x[N];
   6 short y[N];
   7
   8 void
   9 f1 (void)
  10 {
  11   for (int i = 0; i < N; ++i)
  12     x[i] >>= y[i];
  13 }
  14
  15 void
  16 f2 (void)
  17 {
  18   for (int i = 0; i < N; ++i)
  19     x[i] >>= (y[i] < 32 ? y[i] : 32);
  20 }
  21
  22 void
  23 f3 (void)
  24 {
  25   for (int i = 0; i < N; ++i)
  26     x[i] >>= (y[i] < 31 ? y[i] : 31);
  27 }
  28
  29 void
  30 f4 (void)
  31 {
  32   for (int i = 0; i < N; ++i)
  33     x[i] >>= (y[i] & 31);
  34 }
  35
  36 void
  37 f5 (void)
  38 {
  39   for (int i = 0; i < N; ++i)
  40     x[i] >>= 0x8000 >> y[i];
  41 }
  42
  43 void
  44 f6 (void)
  45 {
  46   for (int i = 0; i < N; ++i)
  47     x[i] >>= 0x8000 >> (y[i] & 31);
  48 }
  49
  50 /* { dg-final { scan-tree-dump-not {can narrow[^\n]+>>} "vect" } } */