(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.target/
x86_64/
abi/
avx/
test_passing_structs.c
       1  #include "avx-check.h"
       2  #include "args.h"
       3  
       4  struct IntegerRegisters iregs;
       5  struct FloatRegisters fregs;
       6  unsigned int num_iregs, num_fregs;
       7  
       8  struct m256_struct
       9  {
      10    __m256 x;
      11  };
      12  
      13  struct m256_2_struct
      14  {
      15    __m256 x1, x2;
      16  };
      17  
      18  /* Check that the struct is passed as the individual members in fregs.  */
      19  void
      20  check_struct_passing1 (struct m256_struct ms1 ATTRIBUTE_UNUSED,
      21  		       struct m256_struct ms2 ATTRIBUTE_UNUSED,
      22  		       struct m256_struct ms3 ATTRIBUTE_UNUSED,
      23  		       struct m256_struct ms4 ATTRIBUTE_UNUSED,
      24  		       struct m256_struct ms5 ATTRIBUTE_UNUSED,
      25  		       struct m256_struct ms6 ATTRIBUTE_UNUSED,
      26  		       struct m256_struct ms7 ATTRIBUTE_UNUSED,
      27  		       struct m256_struct ms8 ATTRIBUTE_UNUSED)
      28  {
      29    check_m256_arguments;
      30  }
      31  
      32  void
      33  check_struct_passing2 (struct m256_2_struct ms ATTRIBUTE_UNUSED)
      34  {
      35    /* Check the passing on the stack by comparing the address of the
      36       stack elements to the expected place on the stack.  */
      37    assert ((unsigned long)&ms.x1 == rsp+8);
      38    assert ((unsigned long)&ms.x2 == rsp+40);
      39  }
      40  
      41  static void
      42  avx_test (void)
      43  {
      44    struct m256_struct m256s [8];
      45    struct m256_2_struct m256_2s = { 
      46        { 48.394, 39.3, -397.9, 3484.9, -8.394, -93.3, 7.9, 84.94 },
      47        { -8.394, -3.3, -39.9, 34.9, 7.9, 84.94, -48.394, 39.3 }
      48    };
      49    int i;
      50  
      51    for (i = 0; i < 8; i++)
      52      m256s[i].x = (__m256){32+i, 0, i, 0, -i, 0, i - 12, i + 8};
      53  
      54    clear_struct_registers;
      55    for (i = 0; i < 8; i++)
      56      (&fregs.ymm0)[i]._m256[0] = m256s[i].x;
      57    num_fregs = 8;
      58    WRAP_CALL (check_struct_passing1)(m256s[0], m256s[1], m256s[2], m256s[3],
      59  				    m256s[4], m256s[5], m256s[6], m256s[7]);
      60    WRAP_CALL (check_struct_passing2)(m256_2s);
      61  }