gcc/testsuite/gcc.target/i386/aesdec.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target aes } */
   3 /* { dg-options "-O2 -maes" } */
   4
   5 #include <wmmintrin.h>
   6 #include <string.h>
   7
   8 #include "aes-check.h"
   9
  10 extern void abort (void);
  11
  12 #define NUM 1024
  13
  14 static __m128i src1[NUM];
  15 static __m128i src2[NUM];
  16 static __m128i edst[NUM];
  17
  18 static __m128i resdst[NUM];
  19
  20 /* Initialize input/output vectors.  (Currently, there is only one set
  21    of input/output vectors).  */
  22 static void
  23 init_data (__m128i *s1, __m128i *s2, __m128i *d)
  24 {
  25   int i;
  26   for (i = 0; i < NUM; i++)
  27     {
  28       s1[i] = _mm_setr_epi32 (0x5d53475d, 0x63746f72,
  29                               0x73745665, 0x7b5b5465);
  30       s2[i] = _mm_setr_epi32 (0x726f6e5d, 0x5b477565,
  31                               0x68617929, 0x48692853);
  32       d[i]  = _mm_setr_epi32 (0xb730392a, 0xb58eb95e,
  33                               0xfaea2787, 0x138ac342);
  34     }
  35 }
  36
  37 static void
  38 aes_test (void)
  39 {
  40   int i;
  41
  42   init_data (src1, src2, edst);
  43
  44   for (i = 0; i < NUM; i += 16)
  45     {
  46       resdst[i] = _mm_aesdec_si128 (src1[i], src2[i]);
  47       resdst[i + 1] = _mm_aesdec_si128 (src1[i + 1], src2[i + 1]);
  48       resdst[i + 2] = _mm_aesdec_si128 (src1[i + 2], src2[i + 2]);
  49       resdst[i + 3] = _mm_aesdec_si128 (src1[i + 3], src2[i + 3]);
  50       resdst[i + 4] = _mm_aesdec_si128 (src1[i + 4], src2[i + 4]);
  51       resdst[i + 5] = _mm_aesdec_si128 (src1[i + 5], src2[i + 5]);
  52       resdst[i + 6] = _mm_aesdec_si128 (src1[i + 6], src2[i + 6]);
  53       resdst[i + 7] = _mm_aesdec_si128 (src1[i + 7], src2[i + 7]);
  54       resdst[i + 8] = _mm_aesdec_si128 (src1[i + 8], src2[i + 8]);
  55       resdst[i + 9] = _mm_aesdec_si128 (src1[i + 9], src2[i + 9]);
  56       resdst[i + 10] = _mm_aesdec_si128 (src1[i + 10], src2[i + 10]);
  57       resdst[i + 11] = _mm_aesdec_si128 (src1[i + 11], src2[i + 11]);
  58       resdst[i + 12] = _mm_aesdec_si128 (src1[i + 12], src2[i + 12]);
  59       resdst[i + 13] = _mm_aesdec_si128 (src1[i + 13], src2[i + 13]);
  60       resdst[i + 14] = _mm_aesdec_si128 (src1[i + 14], src2[i + 14]);
  61       resdst[i + 15] = _mm_aesdec_si128 (src1[i + 15], src2[i + 15]);
  62     }
  63
  64   for (i = 0; i < NUM; i++)
  65     if (memcmp (edst + i, resdst + i, sizeof (__m128i)))
  66       abort ();
  67 }