gwj / at91sam9263 · Commits

Commit 59e0fbf8e916efa9b9e9fed00f5692e8a7d684d9

Authored by balrog
1 parent 0086de1c

Add a simple SSSE3 test. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5320 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 42 additions and 0 deletions
tests/test-i386-ssse3.c 0 → 100644
  View file @59e0fbf
  1 +/* See if various MMX/SSE SSSE3 instructions give expected results */
  2 +#include <stdio.h>
  3 +#include <string.h>
  4 +
  5 +int main(int argc, char *argv[]) {
  6 + char hello[16];
  7 + const char ehlo[8] = "EHLO ";
  8 + uint64_t mask = 0x8080800302020001;
  9 +
  10 + uint64_t a = 0x0000000000090007;
  11 + uint64_t b = 0x0000000000000000;
  12 +
  13 + const char c[16] = "LLOaaaaaaaaaaaaa";
  14 + const char d[16] = "aaaaaaaaaaaaaaHE";
  15 +
  16 + /* pshufb mm1/xmm1, mm2/xmm2 */
  17 + asm volatile ("movq (%0), %%mm0" : : "r" (ehlo) : "mm0", "mm1");
  18 + asm volatile ("movq %0, %%mm1" : : "m" (mask));
  19 + asm volatile ("pshufb %mm1, %mm0");
  20 + asm volatile ("movq %%mm0, %0" : "=m" (hello));
  21 + printf("%s\n", hello);
  22 +
  23 + /* pshufb mm1/xmm1, m64/m128 */
  24 + asm volatile ("movq (%0), %%mm0" : : "r" (ehlo) : "mm0");
  25 + asm volatile ("pshufb %0, %%mm0" : : "m" (mask));
  26 + asm volatile ("movq %%mm0, %0" : "=m" (hello));
  27 + printf("%s\n", hello);
  28 +
  29 + /* psubsw mm1/xmm1, m64/m128 */
  30 + asm volatile ("movq %0, %%mm0" : : "r" (a) : "mm0");
  31 + asm volatile ("phsubsw %0, %%mm0" : : "m" (b));
  32 + asm volatile ("movq %%mm0, %0" : "=m" (a));
  33 + printf("%i - %i = %i\n", 9, 7, -(int16_t) a);
  34 +
  35 + /* palignr mm1/xmm1, m64/m128, imm8 */
  36 + asm volatile ("movdqa (%0), %%xmm0" : : "r" (c) : "xmm0");
  37 + asm volatile ("palignr $14, (%0), %%xmm0" : : "r" (d));
  38 + asm volatile ("movdqa %%xmm0, (%0)" : : "r" (hello));
  39 + printf("%5.5s\n", hello);
  40 +
  41 + return 0;
  42 +}