1  /* { dg-do run { target { powerpc*-*-* && vsx_hw } } } */
       2  /* { dg-options "-mvsx -O3" } */
       3  
       4  /* Test that the vec_adde builtin works as expected.  */
       5  
       6  #include "altivec.h"
       7  
       8  #define N 4096
       9  
      10  void abort ();
      11  
      12  #define define_test_functions(STYPE, NAMESUFFIX) \
      13  \
      14  STYPE result_##NAMESUFFIX[N]; \
      15  STYPE addend1_##NAMESUFFIX[N]; \
      16  STYPE addend2_##NAMESUFFIX[N]; \
      17  STYPE carry_##NAMESUFFIX[N]; \
      18  STYPE expected_##NAMESUFFIX[N]; \
      19  \
      20  __attribute__((noinline)) void vector_tests_##NAMESUFFIX () \
      21  { \
      22    vector STYPE v1, v2, v3, tmp; \
      23    int i; \
      24    for (i = 0; i < N; i+=16/sizeof (STYPE)) \
      25      { \
      26        /* result=addend1+addend2+(carry & 0x1).  */ \
      27        v1 = vec_vsx_ld (0, &addend1_##NAMESUFFIX[i]); \
      28        v2 = vec_vsx_ld (0, &addend2_##NAMESUFFIX[i]); \
      29        v3 = vec_vsx_ld (0, &carry_##NAMESUFFIX[i]); \
      30  \
      31        tmp = vec_adde (v1, v2, v3); \
      32       vec_vsx_st (tmp, 0, &result_##NAMESUFFIX[i]); \
      33      } \
      34  } \
      35  \
      36  __attribute__((noinline)) void init_##NAMESUFFIX () \
      37  { \
      38    int i; \
      39    for (i = 0; i < N; ++i) \
      40      { \
      41        result_##NAMESUFFIX[i] = 0; \
      42        addend1_##NAMESUFFIX[i] = 1; \
      43        addend2_##NAMESUFFIX[i] = 2; \
      44        carry_##NAMESUFFIX[i] = (i%12); \
      45        expected_##NAMESUFFIX[i] = addend1_##NAMESUFFIX[i] + \
      46  				 addend2_##NAMESUFFIX[i] + \
      47  				 (carry_##NAMESUFFIX[i] & 0x1); \
      48      } \
      49  } \
      50  \
      51  __attribute__((noinline)) void verify_results_##NAMESUFFIX () \
      52  { \
      53    int i; \
      54    for (i = 0; i < N; ++i) \
      55      { \
      56        if (result_##NAMESUFFIX[i] != expected_##NAMESUFFIX[i]) \
      57  	abort (); \
      58      } \
      59  }
      60  
      61  
      62  #define execute_test_functions(STYPE, NAMESUFFIX) \
      63  { \
      64    init_##NAMESUFFIX (); \
      65    vector_tests_##NAMESUFFIX (); \
      66    verify_results_##NAMESUFFIX (); \
      67  }
      68  
      69  
      70  define_test_functions (signed int, si);
      71  define_test_functions (unsigned int, ui);
      72  
      73  int main ()
      74  {
      75    execute_test_functions (signed int, si);
      76    execute_test_functions (unsigned int, ui);
      77  
      78    return 0;
      79  }
      80  
      81