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_phsubw (int *i1
, int *i2
, int *r
)
28 __m64 t1
= *(__m64
*) i1
;
29 __m64 t2
= *(__m64
*) i2
;
30 *(__m64
*) r
= _mm_hsub_pi16 (t1
, t2
);
34 /* Test the 128-bit form */
36 ssse3_test_phsubw128 (int *i1
, int *i2
, int *r
)
38 /* Assumes incoming pointers are 16-byte aligned */
39 __m128i t1
= *(__m128i
*) i1
;
40 __m128i t2
= *(__m128i
*) i2
;
42 *(__m128i
*) r
= _mm_hsub_epi16 (t1
, t2
);
45 /* Routine to manually compute the results */
47 compute_correct_result (int *i1
, int *i2
, int *r
)
49 short *s1
= (short *) i1
;
50 short *s2
= (short *) i2
;
51 short *sout
= (short *) r
;
54 for (i
= 0; i
< 4; i
++)
55 sout
[i
] = s1
[2 * i
] - s1
[2 * i
+ 1];
56 for (i
= 0; i
< 4; i
++)
57 sout
[i
+ 4] = s2
[2 * i
] - s2
[2 * i
+ 1];
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_phsubw (&vals
[i
+ 0], &vals
[i
+ 2], &r
[0]);
75 ssse3_test_phsubw (&vals
[i
+ 4], &vals
[i
+ 6], &r
[2]);
76 fail
+= chk_128 (ck
, r
);
78 /* Run the 128-bit tests */
79 ssse3_test_phsubw128 (&vals
[i
+ 0], &vals
[i
+ 4], r
);
80 fail
+= chk_128 (ck
, r
);