gcc/testsuite/gcc.dg/vect/vect-reduc-10.c

   1 #include "tree-vect.h"
   2
   3 extern void abort (void);
   4 double ad[1024];
   5 float af[1024];
   6 short as[1024];
   7 int ai[1024];
   8 long long all[1024];
   9 unsigned short aus[1024];
  10 unsigned int au[1024];
  11 unsigned long long aull[1024];
  12
  13 #define F(var) \
  14 __attribute__((noinline, noclone)) __typeof (var[0]) \
  15 f##var (void) \
  16 { \
  17   int i; \
  18   __typeof (var[0]) r = 0; \
  19   for (i = 0; i < 1024; i++) \
  20     r = r > var[i] ? r : var[i]; \
  21   return r; \
  22 }
  23
  24 #define TESTS \
  25 F (ad) F (af) F (as) F (ai) F (all) F (aus) F (au) F (aull)
  26
  27 TESTS
  28
  29 int
  30 main ()
  31 {
  32   int i;
  33
  34   check_vect ();
  35
  36   for (i = 0; i < 1024; i++)
  37     {
  38 #undef F
  39 #define F(var) var[i] = i;
  40       TESTS
  41     }
  42   for (i = 1023; i < 32 * 1024; i += 1024 + 271)
  43     {
  44 #undef F
  45 #define F(var) var[i & 1023] = i; if (f##var () != i) abort ();
  46       TESTS
  47     }
  48   return 0;
  49 }
  50