1  /* { dg-do run { target { powerpc*-*-* && { p8vector_hw && int128 } } } } */
       2  /* { dg-options "-mdejagnu-cpu=power8 -O3" } */
       3  
       4  
       5  /* Test that the vec_adde builtin works as expected.  */
       6  
       7  #include "altivec.h"
       8  
       9  #define N 4096
      10  
      11  void abort ();
      12  
      13  #define define_test_functions(STYPE, NAMESUFFIX) \
      14  \
      15  STYPE result_##NAMESUFFIX[N]; \
      16  STYPE addend1_##NAMESUFFIX[N]; \
      17  STYPE addend2_##NAMESUFFIX[N]; \
      18  STYPE carry_##NAMESUFFIX[N]; \
      19  STYPE expected_##NAMESUFFIX[N]; \
      20  \
      21  __attribute__((noinline)) void vector_tests_##NAMESUFFIX () \
      22  { \
      23    vector STYPE v1, v2, v3, tmp; \
      24    int i; \
      25    for (i = 0; i < N; i+=16/sizeof (STYPE)) \
      26      { \
      27        /* result=addend1+addend2+(carry & 0x1).  */ \
      28        v1 = (vector STYPE) { addend1_##NAMESUFFIX[i] }; \
      29        v2 = (vector STYPE) { addend2_##NAMESUFFIX[i] }; \
      30        v3 = (vector STYPE) { carry_##NAMESUFFIX[i] }; \
      31  \
      32        tmp = vec_adde (v1, v2, v3); \
      33        result_##NAMESUFFIX[i] = tmp[0]; \
      34      } \
      35  } \
      36  \
      37  __attribute__((noinline)) void init_##NAMESUFFIX () \
      38  { \
      39    int i; \
      40    for (i = 0; i < N; ++i) \
      41      { \
      42        result_##NAMESUFFIX[i] = 0; \
      43        addend1_##NAMESUFFIX[i] = 1; \
      44        addend2_##NAMESUFFIX[i] = 2; \
      45        carry_##NAMESUFFIX[i] = (i%12); \
      46        expected_##NAMESUFFIX[i] = addend1_##NAMESUFFIX[i] + \
      47  				 addend2_##NAMESUFFIX[i] + \
      48  				 (carry_##NAMESUFFIX[i] & 0x1); \
      49      } \
      50  } \
      51  \
      52  __attribute__((noinline)) void verify_results_##NAMESUFFIX () \
      53  { \
      54    int i; \
      55    for (i = 0; i < N; ++i) \
      56      { \
      57        if (result_##NAMESUFFIX[i] != expected_##NAMESUFFIX[i]) \
      58  	abort (); \
      59      } \
      60  }
      61  
      62  
      63  #define execute_test_functions(STYPE, NAMESUFFIX) \
      64  { \
      65    init_##NAMESUFFIX (); \
      66    vector_tests_##NAMESUFFIX (); \
      67    verify_results_##NAMESUFFIX (); \
      68  }
      69  
      70  
      71  define_test_functions (signed __int128, si128);
      72  define_test_functions (unsigned __int128, ui128);
      73  
      74  int main ()
      75  {
      76    execute_test_functions (signed __int128, si128);
      77    execute_test_functions (unsigned __int128, ui128);
      78  
      79    return 0;
      80  }
      81  
      82