[Qemu-devel] [5320] Add a simple SSSE3 test.

[Andrzej Zaborowski]

Revision: 5320
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5320
Author:   balrog
Date:     2008-09-25 18:41:28 +0000 (Thu, 25 Sep 2008)

Log Message:
-----------
Add a simple SSSE3 test.

Added Paths:
-----------
    trunk/tests/test-i386-ssse3.c

Added: trunk/tests/test-i386-ssse3.c
===================================================================
--- trunk/tests/test-i386-ssse3.c                               (rev 0)
+++ trunk/tests/test-i386-ssse3.c       2008-09-25 18:41:28 UTC (rev 5320)
@@ -0,0 +1,42 @@
+/* See if various MMX/SSE SSSE3 instructions give expected results */
+#include <stdio.h>
+#include <string.h>
+
+int main(int argc, char *argv[]) {
+       char hello[16];
+       const char ehlo[8] = "EHLO    ";
+       uint64_t mask = 0x8080800302020001;
+
+       uint64_t a = 0x0000000000090007;
+       uint64_t b = 0x0000000000000000;
+
+       const char c[16] = "LLOaaaaaaaaaaaaa";
+       const char d[16] = "aaaaaaaaaaaaaaHE";
+
+       /* pshufb mm1/xmm1, mm2/xmm2 */
+       asm volatile ("movq    (%0), %%mm0" : : "r" (ehlo) : "mm0", "mm1");
+       asm volatile ("movq    %0, %%mm1" : : "m" (mask));
+       asm volatile ("pshufb  %mm1, %mm0");
+       asm volatile ("movq    %%mm0, %0" : "=m" (hello));
+       printf("%s\n", hello);
+
+       /* pshufb mm1/xmm1, m64/m128 */
+       asm volatile ("movq    (%0), %%mm0" : : "r" (ehlo) : "mm0");
+       asm volatile ("pshufb  %0, %%mm0" : : "m" (mask));
+       asm volatile ("movq    %%mm0, %0" : "=m" (hello));
+       printf("%s\n", hello);
+
+       /* psubsw mm1/xmm1, m64/m128 */
+       asm volatile ("movq    %0, %%mm0" : : "r" (a) : "mm0");
+       asm volatile ("phsubsw %0, %%mm0" : : "m" (b));
+       asm volatile ("movq    %%mm0, %0" : "=m" (a));
+       printf("%i - %i = %i\n", 9, 7, -(int16_t) a);
+
+       /* palignr mm1/xmm1, m64/m128, imm8 */
+       asm volatile ("movdqa  (%0), %%xmm0" : : "r" (c) : "xmm0");
+       asm volatile ("palignr $14, (%0), %%xmm0" : : "r" (d));
+       asm volatile ("movdqa  %%xmm0, (%0)" : : "r" (hello));
+       printf("%5.5s\n", hello);
+
+       return 0;
+}