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authorbalrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162>2008-09-25 18:41:28 +0000
committerbalrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162>2008-09-25 18:41:28 +0000
commit59e0fbf8e916efa9b9e9fed00f5692e8a7d684d9 (patch)
tree3a6d4b4a34bb306d8b4bc34be0c48916cc7885f6 /tests
parent0086de1c66c06a86089456b195fa7f1dcce7df74 (diff)
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Add a simple SSSE3 test.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5320 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'tests')
-rw-r--r--tests/test-i386-ssse3.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/test-i386-ssse3.c b/tests/test-i386-ssse3.c
new file mode 100644
index 0000000..0a43d27
--- /dev/null
+++ b/tests/test-i386-ssse3.c
@@ -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;
+}