[Patch ARM-AArch64/testsuite Neon intrinsics 01/13] Add vqmovn tests.

[Christophe Lyon <christophe dot lyon at linaro dot org>]

diff --git a/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqmovn.c b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqmovn.c
new file mode 100644
index 0000000..b4d3198
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqmovn.c
@@ -0,0 +1,134 @@
+#include <arm_neon.h>
+#include "arm-neon-ref.h"
+#include "compute-ref-data.h"
+
+/* Expected values of cumulative_saturation flag.  */
+int VECT_VAR(expected_cumulative_sat,int,8,8) = 0;
+int VECT_VAR(expected_cumulative_sat,int,16,4) = 0;
+int VECT_VAR(expected_cumulative_sat,int,32,2) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,8,8) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,16,4) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,32,2) = 0;
+
+/* Expected results.  */
+VECT_VAR_DECL(expected,int,8,8) [] = { 0x12, 0x12, 0x12, 0x12,
+				       0x12, 0x12, 0x12, 0x12 };
+VECT_VAR_DECL(expected,int,16,4) [] = { 0x1278, 0x1278, 0x1278, 0x1278 };
+VECT_VAR_DECL(expected,int,32,2) [] = { 0x12345678, 0x12345678 };
+VECT_VAR_DECL(expected,uint,8,8) [] = { 0x82, 0x82, 0x82, 0x82,
+					0x82, 0x82, 0x82, 0x82 };
+VECT_VAR_DECL(expected,uint,16,4) [] = { 0x8765, 0x8765, 0x8765, 0x8765 };
+VECT_VAR_DECL(expected,uint,32,2) [] = { 0x87654321, 0x87654321 };
+
+/* Expected values of cumulative_saturation flag when saturation occurs.  */
+int VECT_VAR(expected_cumulative_sat1,int,8,8) = 1;
+int VECT_VAR(expected_cumulative_sat1,int,16,4) = 1;
+int VECT_VAR(expected_cumulative_sat1,int,32,2) = 1;
+int VECT_VAR(expected_cumulative_sat1,uint,8,8) = 1;
+int VECT_VAR(expected_cumulative_sat1,uint,16,4) = 1;
+int VECT_VAR(expected_cumulative_sat1,uint,32,2) = 1;
+
+/* Expected results when saturation occurs.  */
+VECT_VAR_DECL(expected1,int,8,8) [] = { 0x7f, 0x7f, 0x7f, 0x7f,
+					0x7f, 0x7f, 0x7f, 0x7f };
+VECT_VAR_DECL(expected1,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
+VECT_VAR_DECL(expected1,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
+VECT_VAR_DECL(expected1,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
+					 0xff, 0xff, 0xff, 0xff };
+VECT_VAR_DECL(expected1,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
+VECT_VAR_DECL(expected1,uint,32,2) [] = { 0xffffffff, 0xffffffff };
+
+#define INSN_NAME vqmovn
+#define TEST_MSG "VQMOVN"
+
+#define FNNAME1(NAME) void exec_ ## NAME (void)
+#define FNNAME(NAME) FNNAME1(NAME)
+
+FNNAME (INSN_NAME)
+{
+  /* Basic test: y=OP(x), then store the result.  */
+#define TEST_UNARY_OP1(INSN, T1, T2, W, W2, N, EXPECTED_CUMULATIVE_SAT, CMT) \
+  Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N));	\
+  VECT_VAR(vector_res, T1, W, N) =				\
+    INSN##_##T2##W2(VECT_VAR(vector, T1, W2, N));		\
+  vst1##_##T2##W(VECT_VAR(result, T1, W, N),			\
+		 VECT_VAR(vector_res, T1, W, N));		\
+  CHECK_CUMULATIVE_SAT(TEST_MSG, T1, W, N, EXPECTED_CUMULATIVE_SAT, CMT)
+
+#define TEST_UNARY_OP(INSN, T1, T2, W, W2, N, EXPECTED_CUMULATIVE_SAT, CMT) \
+  TEST_UNARY_OP1(INSN, T1, T2, W, W2, N, EXPECTED_CUMULATIVE_SAT, CMT)
+
+  /* No need for 64 bits variants.  */
+  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 ();
+
+  /* Fill input vector with arbitrary values.  */
+  VDUP(vector, q, int, s, 16, 8, 0x12);
+  VDUP(vector, q, int, s, 32, 4, 0x1278);
+  VDUP(vector, q, int, s, 64, 2, 0x12345678);
+  VDUP(vector, q, uint, u, 16, 8, 0x82);
+  VDUP(vector, q, uint, u, 32, 4, 0x8765);
+  VDUP(vector, q, uint, u, 64, 2, 0x87654321);
+
+  /* Apply a unary operator named INSN_NAME.  */
+#define CMT ""
+  TEST_UNARY_OP(INSN_NAME, int, s, 8, 16, 8, expected_cumulative_sat, CMT);
+  TEST_UNARY_OP(INSN_NAME, int, s, 16, 32, 4, expected_cumulative_sat, CMT);
+  TEST_UNARY_OP(INSN_NAME, int, s, 32, 64, 2, expected_cumulative_sat, CMT);
+  TEST_UNARY_OP(INSN_NAME, uint, u, 8, 16, 8, expected_cumulative_sat, CMT);
+  TEST_UNARY_OP(INSN_NAME, uint, u, 16, 32, 4, expected_cumulative_sat, CMT);
+  TEST_UNARY_OP(INSN_NAME, uint, u, 32, 64, 2, expected_cumulative_sat, 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);
+
+
+  /* Fill input vector with arbitrary values which cause cumulative
+     saturation.  */
+  VDUP(vector, q, int, s, 16, 8, 0x1234);
+  VDUP(vector, q, int, s, 32, 4, 0x12345678);
+  VDUP(vector, q, int, s, 64, 2, 0x1234567890ABLL);
+  VDUP(vector, q, uint, u, 16, 8, 0x8234);
+  VDUP(vector, q, uint, u, 32, 4, 0x87654321);
+  VDUP(vector, q, uint, u, 64, 2, 0x8765432187654321ULL);
+
+  /* Apply a unary operator named INSN_NAME.  */
+#undef CMT
+#define CMT " (with saturation)"
+  TEST_UNARY_OP(INSN_NAME, int, s, 8, 16, 8, expected_cumulative_sat1, CMT);
+  TEST_UNARY_OP(INSN_NAME, int, s, 16, 32, 4, expected_cumulative_sat1, CMT);
+  TEST_UNARY_OP(INSN_NAME, int, s, 32, 64, 2, expected_cumulative_sat1, CMT);
+  TEST_UNARY_OP(INSN_NAME, uint, u, 8, 16, 8, expected_cumulative_sat1, CMT);
+  TEST_UNARY_OP(INSN_NAME, uint, u, 16, 32, 4, expected_cumulative_sat1, CMT);
+  TEST_UNARY_OP(INSN_NAME, uint, u, 32, 64, 2, expected_cumulative_sat1, CMT);
+
+  CHECK(TEST_MSG, int, 8, 8, PRIx8, expected1, CMT);
+  CHECK(TEST_MSG, int, 16, 4, PRIx16, expected1, CMT);
+  CHECK(TEST_MSG, int, 32, 2, PRIx32, expected1, CMT);
+  CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected1, CMT);
+  CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected1, CMT);
+  CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected1, CMT);
+}
+
+int main (void)
+{
+  exec_vqmovn ();
+  return 0;
+}
-- 
2.1.4