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
);