2 /* { dg-require-effective-target ssse3 } */
3 /* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */
6 #define CHECK_H "ssse3-check.h"
10 #define TEST ssse3_test
15 #include "ssse3-vals.h"
17 #include <tmmintrin.h>
20 /* Test the 64-bit form */
22 ssse3_test_pmaddubsw (int *i1, int *i2, int *r)
24 __m64 t1 = *(__m64 *) i1;
25 __m64 t2 = *(__m64 *) i2;
26 *(__m64 *) r = _mm_maddubs_pi16 (t1, t2);
31 /* Test the 128-bit form */
33 ssse3_test_pmaddubsw128 (int *i1, int *i2, int *r)
35 /* Assumes incoming pointers are 16-byte aligned */
36 __m128i t1 = *(__m128i *) i1;
37 __m128i t2 = *(__m128i *) i2;
38 *(__m128i *) r = _mm_maddubs_epi16 (t1, t2);
42 signed_saturate_to_word(int x)
47 if (x < (int) 0xffff8000)
53 /* Routine to manually compute the results */
55 compute_correct_result (int *i1, int *i2, int *r)
57 unsigned char *ub1 = (unsigned char *) i1;
58 char *sb2 = (char *) i2;
59 short *sout = (short *) r;
63 for (i = 0; i < 8; i++)
65 t0 = ((int) ub1[2 * i] * (int) sb2[2 * i] +
66 (int) ub1[2 * i + 1] * (int) sb2[2 * i + 1]);
67 sout[i] = signed_saturate_to_word (t0);
75 int r [4] __attribute__ ((aligned(16)));
79 for (i = 0; i < 256; i += 8)
81 /* Manually compute the result */
82 compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
85 /* Run the 64-bit tests */
86 ssse3_test_pmaddubsw (&vals[i + 0], &vals[i + 4], &r[0]);
87 ssse3_test_pmaddubsw (&vals[i + 2], &vals[i + 6], &r[2]);
88 fail += chk_128 (ck, r);
91 /* Run the 128-bit tests */
92 ssse3_test_pmaddubsw128 (&vals[i + 0], &vals[i + 4], r);
93 fail += chk_128 (ck, r);