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Diffstat (limited to 'tests/tcg/test-i386-ssse3.c')
-rw-r--r--tests/tcg/test-i386-ssse3.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/tcg/test-i386-ssse3.c b/tests/tcg/test-i386-ssse3.c
new file mode 100644
index 0000000000..0a42bd03e2
--- /dev/null
+++ b/tests/tcg/test-i386-ssse3.c
@@ -0,0 +1,57 @@
+/* See if various MMX/SSE SSSE3 instructions give expected results */
+#include <stdio.h>
+#include <string.h>
+#include <stdint.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;
+ uint32_t c;
+ uint16_t d;
+
+ const char e[16] = "LLOaaaaaaaaaaaaa";
+ const char f[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" (e) : "xmm0");
+ asm volatile ("palignr $14, (%0), %%xmm0" : : "r" (f));
+ asm volatile ("movdqa %%xmm0, (%0)" : : "r" (hello));
+ printf("%5.5s\n", hello);
+
+#if 1 /* SSE4 */
+ /* popcnt r64, r/m64 */
+ asm volatile ("movq $0x8421000010009c63, %%rax" : : : "rax");
+ asm volatile ("popcnt %%ax, %%dx" : : : "dx");
+ asm volatile ("popcnt %%eax, %%ecx" : : : "ecx");
+ asm volatile ("popcnt %rax, %rax");
+ asm volatile ("movq %%rax, %0" : "=m" (a));
+ asm volatile ("movl %%ecx, %0" : "=m" (c));
+ asm volatile ("movw %%dx, %0" : "=m" (d));
+ printf("%i = %i\n%i = %i = %i\n", 13, (int) a, 9, c, d + 1);
+#endif
+
+ return 0;
+}