gcc/testsuite/gcc.dg/pr85467.c

   1 /* PR tree-optimization/85467 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fno-tree-ccp" } */
   4
   5 #define TEST(N, T) \
   6 typedef T V##N __attribute__ ((__vector_size__ (sizeof (T))));  \
   7                                                                 \
   8 V##N                                                            \
   9 bar##N (V##N u, V##N v)                                         \
  10 {                                                               \
  11   do                                                            \
  12     v *= (T)((V##N){}[0] ? u[v[0]] : 0);                        \
  13   while ((V##N){}[0]);                                          \
  14   return v;                                                     \
  15 }                                                               \
  16                                                                 \
  17 void                                                            \
  18 foo##N (void)                                                   \
  19 {                                                               \
  20   bar##N ((V##N){}, (V##N){});                                  \
  21 }
  22
  23 TEST (1, char)
  24 TEST (2, short)
  25 TEST (3, int)
  26 TEST (4, long)
  27 TEST (5, long long)
  28 #ifdef __SIZEOF_INT128__
  29 TEST (6, __int128)
  30 #endif