[ARM/AArch64][testsuite] Add vmovn tests.

2015-01-21  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.target/aarch64/advsimd-intrinsics/vmovn.c: New file.

From-SVN: r219939

gcc/testsuite/ChangeLog

 2015-01-21  Christophe Lyon  <christophe.lyon@linaro.org>
 
+	* gcc.target/aarch64/advsimd-intrinsics/vmovn.c: New file.
+
+2015-01-21  Christophe Lyon  <christophe.lyon@linaro.org>
+
 	* gcc.target/aarch64/advsimd-intrinsics/vXXXw.inc: New file.
 	* gcc.target/aarch64/advsimd-intrinsics/vsubw.c: New file.
 	* gcc.target/aarch64/advsimd-intrinsics/vaddw.c: Use code from

gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vmovn.c

+#include <arm_neon.h>
+#include "arm-neon-ref.h"
+#include "compute-ref-data.h"
+
+/* Expected results.  */
+VECT_VAR_DECL(expected,int,8,8) [] = { 0xf0, 0xf1, 0xf2, 0xf3,
+				       0xf4, 0xf5, 0xf6, 0xf7 };
+VECT_VAR_DECL(expected,int,16,4) [] = { 0xfff0, 0xfff1, 0xfff2, 0xfff3 };
+VECT_VAR_DECL(expected,int,32,2) [] = { 0xfffffff0, 0xfffffff1 };
+VECT_VAR_DECL(expected,uint,8,8) [] = { 0xf0, 0xf1, 0xf2, 0xf3,
+					0xf4, 0xf5, 0xf6, 0xf7 };
+VECT_VAR_DECL(expected,uint,16,4) [] = { 0xfff0, 0xfff1, 0xfff2, 0xfff3 };
+VECT_VAR_DECL(expected,uint,32,2) [] = { 0xfffffff0, 0xfffffff1 };
+
+#define TEST_MSG "VMOVN"
+void exec_vmovn (void)
+{
+  /* Basic test: vec64=vmovn(vec128), then store the result.  */
+#define TEST_VMOVN(T1, T2, W, W2, N)					\
+  VECT_VAR(vector64, T1, W2, N) =					\
+    vmovn_##T2##W(VECT_VAR(vector128, T1, W, N));			\
+  vst1_##T2##W2(VECT_VAR(result, T1, W2, N), VECT_VAR(vector64, T1, W2, N))
+
+  DECL_VARIABLE_64BITS_VARIANTS(vector64);
+  DECL_VARIABLE_128BITS_VARIANTS(vector128);
+
+  TEST_MACRO_128BITS_VARIANTS_2_5(VLOAD, vector128, buffer);
+
+  clean_results ();
+
+  TEST_VMOVN(int, s, 16, 8, 8);
+  TEST_VMOVN(int, s, 32, 16, 4);
+  TEST_VMOVN(int, s, 64, 32, 2);
+  TEST_VMOVN(uint, u, 16, 8, 8);
+  TEST_VMOVN(uint, u, 32, 16, 4);
+  TEST_VMOVN(uint, u, 64, 32, 2);
+
+  CHECK(TEST_MSG, int, 8, 8, PRIx32, expected, "");
+  CHECK(TEST_MSG, int, 16, 4, PRIx64, expected, "");
+  CHECK(TEST_MSG, int, 32, 2, PRIx32, expected, "");
+  CHECK(TEST_MSG, uint, 8, 8, PRIx32, expected, "");
+  CHECK(TEST_MSG, uint, 16, 4, PRIx64, expected, "");
+  CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected, "");
+}
+
+int main (void)
+{
+  exec_vmovn ();
+  return 0;
+}