1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
2 /* { dg-options "-O2 -mssse3" } */
5 #include "../../gcc.dg/i386-cpuid.h"
6 #include "ssse3-vals.h"
8 static void ssse3_test (void);
13 unsigned long cpu_facilities
;
15 cpu_facilities
= i386_cpuid_ecx ();
17 /* Run SSSE3 test only if host has SSSE3 support. */
18 if ((cpu_facilities
& bit_SSSE3
))
24 /* Test the 64-bit form */
26 ssse3_test_pmaddubsw (int *i1
, int *i2
, int *r
)
28 __m64 t1
= *(__m64
*) i1
;
29 __m64 t2
= *(__m64
*) i2
;
30 *(__m64
*) r
= _mm_maddubs_pi16 (t1
, t2
);
34 /* Test the 128-bit form */
36 ssse3_test_pmaddubsw128 (int *i1
, int *i2
, int *r
)
38 /* Assumes incoming pointers are 16-byte aligned */
39 __m128i t1
= *(__m128i
*) i1
;
40 __m128i t2
= *(__m128i
*) i2
;
41 *(__m128i
*) r
= _mm_maddubs_epi16 (t1
, t2
);
45 signed_saturate_to_word(int x
)
50 if (x
< (int) 0xffff8000)
56 /* Routine to manually compute the results */
58 compute_correct_result (int *i1
, int *i2
, int *r
)
60 unsigned char *ub1
= (unsigned char *) i1
;
61 char *sb2
= (char *) i2
;
62 short *sout
= (short *) r
;
66 for (i
= 0; i
< 8; i
++)
68 t0
= ((int) ub1
[2 * i
] * (int) sb2
[2 * i
] +
69 (int) ub1
[2 * i
+ 1] * (int) sb2
[2 * i
+ 1]);
70 sout
[i
] = signed_saturate_to_word (t0
);
78 int r
[4] __attribute__ ((aligned(16)));
82 for (i
= 0; i
< 256; i
+= 8)
84 /* Manually compute the result */
85 compute_correct_result (&vals
[i
+ 0], &vals
[i
+ 4], ck
);
87 /* Run the 64-bit tests */
88 ssse3_test_pmaddubsw (&vals
[i
+ 0], &vals
[i
+ 4], &r
[0]);
89 ssse3_test_pmaddubsw (&vals
[i
+ 2], &vals
[i
+ 6], &r
[2]);
90 fail
+= chk_128 (ck
, r
);
92 /* Run the 128-bit tests */
93 ssse3_test_pmaddubsw128 (&vals
[i
+ 0], &vals
[i
+ 4], r
);
94 fail
+= chk_128 (ck
, r
);