1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
2 /* { dg-require-effective-target ssse3 } */
3 /* { dg-options "-O2 -mssse3" } */
5 #include "ssse3-check.h"
6 #include "ssse3-vals.h"
10 /* Test the 64-bit form */
12 ssse3_test_pmaddubsw (int *i1, int *i2, int *r)
14 __m64 t1 = *(__m64 *) i1;
15 __m64 t2 = *(__m64 *) i2;
16 *(__m64 *) r = _mm_maddubs_pi16 (t1, t2);
20 /* Test the 128-bit form */
22 ssse3_test_pmaddubsw128 (int *i1, int *i2, int *r)
24 /* Assumes incoming pointers are 16-byte aligned */
25 __m128i t1 = *(__m128i *) i1;
26 __m128i t2 = *(__m128i *) i2;
27 *(__m128i *) r = _mm_maddubs_epi16 (t1, t2);
31 signed_saturate_to_word(int x)
36 if (x < (int) 0xffff8000)
42 /* Routine to manually compute the results */
44 compute_correct_result (int *i1, int *i2, int *r)
46 unsigned char *ub1 = (unsigned char *) i1;
47 char *sb2 = (char *) i2;
48 short *sout = (short *) r;
52 for (i = 0; i < 8; i++)
54 t0 = ((int) ub1[2 * i] * (int) sb2[2 * i] +
55 (int) ub1[2 * i + 1] * (int) sb2[2 * i + 1]);
56 sout[i] = signed_saturate_to_word (t0);
64 int r [4] __attribute__ ((aligned(16)));
68 for (i = 0; i < 256; i += 8)
70 /* Manually compute the result */
71 compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
73 /* Run the 64-bit tests */
74 ssse3_test_pmaddubsw (&vals[i + 0], &vals[i + 4], &r[0]);
75 ssse3_test_pmaddubsw (&vals[i + 2], &vals[i + 6], &r[2]);
76 fail += chk_128 (ck, r);
78 /* Run the 128-bit tests */
79 ssse3_test_pmaddubsw128 (&vals[i + 0], &vals[i + 4], r);
80 fail += chk_128 (ck, r);