sse4a-insert.c

来自「用于进行gcc测试」· C语言 代码 · 共 95 行

/* { dg-do run } */
/* { dg-require-effective-target sse4a } */
/* { dg-options "-O2 -msse4a" } */

#include "sse4a-check.h"

#include <ammintrin.h>

typedef union
{
  long long i[2];
  __m128i vec;
} LI;

static long long
sse4a_test_insert (long long in1, long long in2)
{
  __m128i v1,v2;
  long long index_length, pad;
  LI v_out;
  index_length = 0x0000000000000810LL;
  pad = 0x0;
  v1 = _mm_set_epi64x (pad, in1);
  v2 = _mm_set_epi64x (index_length, in2); 
  v_out.vec = _mm_insert_si64 (v1, v2);
  return (v_out.i[0]);
}

static long long
sse4a_test_inserti (long long in1, long long in2)
{
  __m128i v1,v2;
  long long pad = 0x0;
  LI v_out;
  v1 = _mm_set_epi64x (pad, in1);
  v2 = _mm_set_epi64x (pad, in2); 
  v_out.vec = _mm_inserti_si64 (v1, v2, (unsigned int) 0x10, (unsigned int) 0x08);
  return (v_out.i[0]);  
}

static chk (long long i1, long long i2)
{
  int n_fails =0;
  if (i1 != i2) 
    n_fails +=1;
  return n_fails;
}

long long vals_in1[5] =
  {
    0x1234567887654321LL,
    0x1456782093002490LL,
    0x2340909123990390LL,
    0x9595959599595999LL,
    0x9099038798000029LL
  };

long long vals_in2[5] =
  {
    0x9ABCDEF00FEDCBA9LL,
    0x234567097289672ALL,
    0x45476453097BD342LL,
    0x23569012AE586FF0LL,
    0x432567ABCDEF765DLL
  };

long long vals_out[5] =
  {
    0x1234567887CBA921LL,
    0x1456782093672A90LL,
    0x2340909123D34290LL,
    0x95959595996FF099LL,
    0x9099038798765D29LL
  };

static void
sse4a_test (void)
{
  int i;
  int fail = 0;
  long long out;

  for (i = 0; i < 5; i += 1)
    {
      out = sse4a_test_insert (vals_in1[i], vals_in2[i]);
      fail += chk(out, vals_out[i]);

      out = sse4a_test_inserti (vals_in1[i], vals_in2[i]);
      fail += chk(out, vals_out[i]);
    }

  if (fail != 0)
    abort ();
}