vqrdmulh_n.c: New file.

2015-05-19  Christophe Lyon  <christophe.lyon@linaro.org>

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

From-SVN: r223376

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e8e88a55596f2119e9e567056f91fb92de8ea376..287b292e72ce688029e62a91ff615ecd330cc1f4 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2015-05-19  Christophe Lyon  <christophe.lyon@linaro.org>
+
+       * gcc.target/aarch64/advsimd-intrinsics/vqrdmulh_n.c: New file.
+
 2015-05-19  Christophe Lyon  <christophe.lyon@linaro.org>
 
        * gcc.target/aarch64/advsimd-intrinsics/vqrdmulh_lane.c: New file.

diff --git a/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqrdmulh_n.c b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqrdmulh_n.c
new file mode 100644 (file)
index 0000000..7b43f71
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqrdmulh_n.c
@@ -0,0 +1,155 @@
+#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,16,4) = 0;
+int VECT_VAR(expected_cumulative_sat,int,32,2) = 0;
+int VECT_VAR(expected_cumulative_sat,int,16,8) = 0;
+int VECT_VAR(expected_cumulative_sat,int,32,4) = 0;
+
+/* Expected results.  */
+VECT_VAR_DECL(expected,int,16,4) [] = { 0xfffc, 0xfffc, 0xfffc, 0xfffd };
+VECT_VAR_DECL(expected,int,32,2) [] = { 0xfffffffe, 0xfffffffe };
+VECT_VAR_DECL(expected,int,16,8) [] = { 0x6, 0x6, 0x6, 0x5,
+                                       0x5, 0x4, 0x4, 0x4 };
+VECT_VAR_DECL(expected,int,32,4) [] = { 0xfffffffe, 0xfffffffe,
+                                       0xfffffffe, 0xfffffffe };
+
+/* Expected values of cumulative_saturation flag when multiplication
+   saturates.  */
+int VECT_VAR(expected_cumulative_sat_mul,int,16,4) = 1;
+int VECT_VAR(expected_cumulative_sat_mul,int,32,2) = 1;
+int VECT_VAR(expected_cumulative_sat_mul,int,16,8) = 1;
+int VECT_VAR(expected_cumulative_sat_mul,int,32,4) = 1;
+
+/* Expected results when multiplication saturates.  */
+VECT_VAR_DECL(expected_mul,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
+VECT_VAR_DECL(expected_mul,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
+VECT_VAR_DECL(expected_mul,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
+                                           0x7fff, 0x7fff, 0x7fff, 0x7fff };
+VECT_VAR_DECL(expected_mul,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
+                                           0x7fffffff, 0x7fffffff };
+
+/* Expected values of cumulative_saturation flag when rounding
+   should not cause saturation.  */
+int VECT_VAR(expected_cumulative_sat_round,int,16,4) = 0;
+int VECT_VAR(expected_cumulative_sat_round,int,32,2) = 0;
+int VECT_VAR(expected_cumulative_sat_round,int,16,8) = 0;
+int VECT_VAR(expected_cumulative_sat_round,int,32,4) = 0;
+
+/* Expected results when rounding should not cause saturation.  */
+VECT_VAR_DECL(expected_round,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
+VECT_VAR_DECL(expected_round,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
+VECT_VAR_DECL(expected_round,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
+                                             0x7fff, 0x7fff, 0x7fff, 0x7fff };
+VECT_VAR_DECL(expected_round,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
+                                             0x7fffffff, 0x7fffffff };
+
+#define INSN vqrdmulh
+#define TEST_MSG "VQRDMULH_N"
+
+#define FNNAME1(NAME) void exec_ ## NAME ## _n (void)
+#define FNNAME(NAME) FNNAME1(NAME)
+
+FNNAME (INSN)
+{
+  int i;
+
+  /* vector_res = vqrdmulh_n(vector,val), then store the result.  */
+#define TEST_VQRDMULH_N2(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT) \
+  Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N));          \
+  VECT_VAR(vector_res, T1, W, N) =                                     \
+    INSN##Q##_n_##T2##W(VECT_VAR(vector, T1, W, N),                    \
+                       L);                                             \
+  vst1##Q##_##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)
+
+  /* Two auxliary macros are necessary to expand INSN */
+#define TEST_VQRDMULH_N1(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT) \
+  TEST_VQRDMULH_N2(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT)
+
+#define TEST_VQRDMULH_N(Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT) \
+  TEST_VQRDMULH_N1(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT)
+
+
+  DECL_VARIABLE(vector, int, 16, 4);
+  DECL_VARIABLE(vector, int, 32, 2);
+  DECL_VARIABLE(vector, int, 16, 8);
+  DECL_VARIABLE(vector, int, 32, 4);
+
+  DECL_VARIABLE(vector_res, int, 16, 4);
+  DECL_VARIABLE(vector_res, int, 32, 2);
+  DECL_VARIABLE(vector_res, int, 16, 8);
+  DECL_VARIABLE(vector_res, int, 32, 4);
+
+  clean_results ();
+
+  VLOAD(vector, buffer, , int, s, 16, 4);
+  VLOAD(vector, buffer, , int, s, 32, 2);
+  VLOAD(vector, buffer, q, int, s, 16, 8);
+  VLOAD(vector, buffer, q, int, s, 32, 4);
+
+  /* Choose multiplier arbitrarily.  */
+#define CMT ""
+  TEST_VQRDMULH_N(, int, s, 16, 4, 0x2233, expected_cumulative_sat, CMT);
+  TEST_VQRDMULH_N(, int, s, 32, 2, 0x12345678, expected_cumulative_sat, CMT);
+  TEST_VQRDMULH_N(q, int, s, 16, 8, 0xCD12, expected_cumulative_sat, CMT);
+  TEST_VQRDMULH_N(q, int, s, 32, 4, 0xFA23456, expected_cumulative_sat, CMT);
+
+  CHECK(TEST_MSG, int, 16, 4, PRIx16, expected, CMT);
+  CHECK(TEST_MSG, int, 32, 2, PRIx32, expected, CMT);
+  CHECK(TEST_MSG, int, 16, 8, PRIx16, expected, CMT);
+  CHECK(TEST_MSG, int, 32, 4, PRIx32, expected, CMT);
+
+  /* Now use input values such that the multiplication causes
+     saturation.  */
+#define TEST_MSG_MUL " (check mul cumulative saturation)"
+  VDUP(vector, , int, s, 16, 4, 0x8000);
+  VDUP(vector, , int, s, 32, 2, 0x80000000);
+  VDUP(vector, q, int, s, 16, 8, 0x8000);
+  VDUP(vector, q, int, s, 32, 4, 0x80000000);
+
+  TEST_VQRDMULH_N(, int, s, 16, 4, 0x8000, expected_cumulative_sat_mul,
+                 TEST_MSG_MUL);
+  TEST_VQRDMULH_N(, int, s, 32, 2, 0x80000000, expected_cumulative_sat_mul,
+                 TEST_MSG_MUL);
+  TEST_VQRDMULH_N(q, int, s, 16, 8, 0x8000, expected_cumulative_sat_mul,
+                 TEST_MSG_MUL);
+  TEST_VQRDMULH_N(q, int, s, 32, 4, 0x80000000, expected_cumulative_sat_mul,
+                 TEST_MSG_MUL);
+
+  CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_mul, TEST_MSG_MUL);
+  CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_mul, TEST_MSG_MUL);
+  CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_mul, TEST_MSG_MUL);
+  CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_mul, TEST_MSG_MUL);
+
+  /* Use input values where rounding produces a result equal to the
+     saturation value, but does not set the saturation flag.  */
+#define TEST_MSG_ROUND " (check rounding)"
+  VDUP(vector, , int, s, 16, 4, 0x8000);
+  VDUP(vector, , int, s, 32, 2, 0x80000000);
+  VDUP(vector, q, int, s, 16, 8, 0x8000);
+  VDUP(vector, q, int, s, 32, 4, 0x80000000);
+
+  TEST_VQRDMULH_N(, int, s, 16, 4, 0x8001, expected_cumulative_sat_round,
+                 TEST_MSG_ROUND);
+  TEST_VQRDMULH_N(, int, s, 32, 2, 0x80000001, expected_cumulative_sat_round,
+                 TEST_MSG_ROUND);
+  TEST_VQRDMULH_N(q, int, s, 16, 8, 0x8001, expected_cumulative_sat_round,
+                 TEST_MSG_ROUND);
+  TEST_VQRDMULH_N(q, int, s, 32, 4, 0x80000001, expected_cumulative_sat_round,
+                 TEST_MSG_ROUND);
+
+  CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_round, TEST_MSG_ROUND);
+  CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_round, TEST_MSG_ROUND);
+  CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_round, TEST_MSG_ROUND);
+  CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_round, TEST_MSG_ROUND);
+}
+
+int main (void)
+{
+  exec_vqrdmulh_n ();
+  return 0;
+}