Statistics
| Branch: | Revision:

root / tests / tcg / test-i386-ssse3.c @ c09015dd

History | View | Annotate | Download (1.8 kB)

1
/* See if various MMX/SSE SSSE3 instructions give expected results */
2
#include <stdio.h>
3
#include <string.h>
4
#include <stdint.h>
5

    
6
int main(int argc, char *argv[]) {
7
        char hello[16];
8
        const char ehlo[8] = "EHLO    ";
9
        uint64_t mask = 0x8080800302020001;
10

    
11
        uint64_t a = 0x0000000000090007;
12
        uint64_t b = 0x0000000000000000;
13
        uint32_t c;
14
        uint16_t d;
15

    
16
        const char e[16] = "LLOaaaaaaaaaaaaa";
17
        const char f[16] = "aaaaaaaaaaaaaaHE";
18

    
19
        /* pshufb mm1/xmm1, mm2/xmm2 */
20
        asm volatile ("movq    (%0), %%mm0" : : "r" (ehlo) : "mm0", "mm1");
21
        asm volatile ("movq    %0, %%mm1" : : "m" (mask));
22
        asm volatile ("pshufb  %mm1, %mm0");
23
        asm volatile ("movq    %%mm0, %0" : "=m" (hello));
24
        printf("%s\n", hello);
25

    
26
        /* pshufb mm1/xmm1, m64/m128 */
27
        asm volatile ("movq    (%0), %%mm0" : : "r" (ehlo) : "mm0");
28
        asm volatile ("pshufb  %0, %%mm0" : : "m" (mask));
29
        asm volatile ("movq    %%mm0, %0" : "=m" (hello));
30
        printf("%s\n", hello);
31

    
32
        /* psubsw mm1/xmm1, m64/m128 */
33
        asm volatile ("movq    %0, %%mm0" : : "r" (a) : "mm0");
34
        asm volatile ("phsubsw %0, %%mm0" : : "m" (b));
35
        asm volatile ("movq    %%mm0, %0" : "=m" (a));
36
        printf("%i - %i = %i\n", 9, 7, -(int16_t) a);
37

    
38
        /* palignr mm1/xmm1, m64/m128, imm8 */
39
        asm volatile ("movdqa  (%0), %%xmm0" : : "r" (e) : "xmm0");
40
        asm volatile ("palignr $14, (%0), %%xmm0" : : "r" (f));
41
        asm volatile ("movdqa  %%xmm0, (%0)" : : "r" (hello));
42
        printf("%5.5s\n", hello);
43

    
44
#if 1 /* SSE4 */
45
        /* popcnt r64, r/m64 */
46
        asm volatile ("movq    $0x8421000010009c63, %%rax" : : : "rax");
47
        asm volatile ("popcnt  %%ax, %%dx" : : : "dx");
48
        asm volatile ("popcnt  %%eax, %%ecx" : : : "ecx");
49
        asm volatile ("popcnt  %rax, %rax");
50
        asm volatile ("movq    %%rax, %0" : "=m" (a));
51
        asm volatile ("movl    %%ecx, %0" : "=m" (c));
52
        asm volatile ("movw    %%dx, %0" : "=m" (d));
53
        printf("%i = %i\n%i = %i = %i\n", 13, (int) a, 9, c, d + 1);
54
#endif
55

    
56
        return 0;
57
}