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authorChristophe Lyon <christophe.lyon@linaro.org>2015-06-19 13:59:07 +0000
committerChristophe Lyon <clyon@gcc.gnu.org>2015-06-19 15:59:07 +0200
commit686f3b77261e6a6e5a6a8b911628d1f828b54b92 (patch)
tree1059f31609a4cd1e409afbb51fbc2cbe36cbf0a6
parent5d3b46d6cf5f15933a59f9f5fc623d7605ba0122 (diff)
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vshrn_n.c: New file.
2015-06-19 Christophe Lyon <christophe.lyon@linaro.org> * gcc.target/aarch64/advsimd-intrinsics/vshrn_n.c: New file. From-SVN: r224664
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vshrn_n.c70
2 files changed, 74 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 2309d68..771813c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,9 @@
2015-06-19 Christophe Lyon <christophe.lyon@linaro.org>
+ * gcc.target/aarch64/advsimd-intrinsics/vshrn_n.c: New file.
+
+2015-06-19 Christophe Lyon <christophe.lyon@linaro.org>
+
* gcc.target/aarch64/advsimd-intrinsics/vshl_n.c: New file.
2015-06-19 Christophe Lyon <christophe.lyon@linaro.org>
diff --git a/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vshrn_n.c b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vshrn_n.c
new file mode 100644
index 0000000..6d2f4dd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vshrn_n.c
@@ -0,0 +1,70 @@
+#include <arm_neon.h>
+#include "arm-neon-ref.h"
+#include "compute-ref-data.h"
+
+/* Expected results. */
+VECT_VAR_DECL(expected,int,8,8) [] = { 0xf8, 0xf8, 0xf9, 0xf9,
+ 0xfa, 0xfa, 0xfb, 0xfb };
+VECT_VAR_DECL(expected,int,16,4) [] = { 0xfff8, 0xfff8, 0xfff9, 0xfff9 };
+VECT_VAR_DECL(expected,int,32,2) [] = { 0xfffffffc, 0xfffffffc };
+VECT_VAR_DECL(expected,uint,8,8) [] = { 0xfc, 0xfc, 0xfc, 0xfc,
+ 0xfd, 0xfd, 0xfd, 0xfd };
+VECT_VAR_DECL(expected,uint,16,4) [] = { 0xfffe, 0xfffe, 0xfffe, 0xfffe };
+VECT_VAR_DECL(expected,uint,32,2) [] = { 0xfffffffe, 0xfffffffe };
+
+#define TEST_MSG "VSHRN_N"
+void exec_vshrn_n (void)
+{
+ /* Basic test: y=vshrn_n(x,v), then store the result. */
+#define TEST_VSHRN_N(T1, T2, W, W2, N, V) \
+ VECT_VAR(vector_res, T1, W2, N) = \
+ vshrn_n_##T2##W(VECT_VAR(vector, T1, W, N), \
+ V); \
+ vst1_##T2##W2(VECT_VAR(result, T1, W2, N), VECT_VAR(vector_res, T1, W2, N))
+
+ /* vector is twice as large as vector_res. */
+ DECL_VARIABLE(vector, int, 16, 8);
+ DECL_VARIABLE(vector, int, 32, 4);
+ DECL_VARIABLE(vector, int, 64, 2);
+ DECL_VARIABLE(vector, uint, 16, 8);
+ DECL_VARIABLE(vector, uint, 32, 4);
+ DECL_VARIABLE(vector, uint, 64, 2);
+
+ DECL_VARIABLE(vector_res, int, 8, 8);
+ DECL_VARIABLE(vector_res, int, 16, 4);
+ DECL_VARIABLE(vector_res, int, 32, 2);
+ DECL_VARIABLE(vector_res, uint, 8, 8);
+ DECL_VARIABLE(vector_res, uint, 16, 4);
+ DECL_VARIABLE(vector_res, uint, 32, 2);
+
+ clean_results ();
+
+ VLOAD(vector, buffer, q, int, s, 16, 8);
+ VLOAD(vector, buffer, q, int, s, 32, 4);
+ VLOAD(vector, buffer, q, int, s, 64, 2);
+ VLOAD(vector, buffer, q, uint, u, 16, 8);
+ VLOAD(vector, buffer, q, uint, u, 32, 4);
+ VLOAD(vector, buffer, q, uint, u, 64, 2);
+
+ /* Choose shift amount arbitrarily. */
+ TEST_VSHRN_N(int, s, 16, 8, 8, 1);
+ TEST_VSHRN_N(int, s, 32, 16, 4, 1);
+ TEST_VSHRN_N(int, s, 64, 32, 2, 2);
+ TEST_VSHRN_N(uint, u, 16, 8, 8, 2);
+ TEST_VSHRN_N(uint, u, 32, 16, 4, 3);
+ TEST_VSHRN_N(uint, u, 64, 32, 2, 3);
+
+#define CMT ""
+ CHECK(TEST_MSG, int, 8, 8, PRIx8, expected, CMT);
+ CHECK(TEST_MSG, int, 16, 4, PRIx16, expected, CMT);
+ CHECK(TEST_MSG, int, 32, 2, PRIx32, expected, CMT);
+ CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected, CMT);
+ CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected, CMT);
+ CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected, CMT);
+}
+
+int main (void)
+{
+ exec_vshrn_n ();
+ return 0;
+}