Return to test-i386-ssse3.c CVS log

Up to [Qemu by Fabrice Bellard] / qemu / tests / tcg

Annotation of qemu/tests/tcg/test-i386-ssse3.c, revision 1.1.1.1

1.1       root        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: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.