vqshlu_n.c: New file.

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

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

From-SVN: r223384

2 files changed, 267 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b911493..da781e8 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,9 @@
 2015-05-19  Christophe Lyon  <christophe.lyon@linaro.org>
 
+	* gcc.target/aarch64/advsimd-intrinsics/vqshlu_n.c: New file.
+
+2015-05-19  Christophe Lyon  <christophe.lyon@linaro.org>
+
 	* gcc.target/aarch64/advsimd-intrinsics/vqshl_n.c: New file.
 
 2015-05-19  Christophe Lyon  <christophe.lyon@linaro.org>
diff --git a/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqshlu_n.c b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqshlu_n.c
new file mode 100644
index 0000000..a357fbe
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqshlu_n.c
@@ -0,0 +1,263 @@
+#include <arm_neon.h>
+#include "arm-neon-ref.h"
+#include "compute-ref-data.h"
+
+/* Expected values of cumulative_saturation flag with negative
+   input.  */
+int VECT_VAR(expected_cumulative_sat_neg,int,8,8) = 1;
+int VECT_VAR(expected_cumulative_sat_neg,int,16,4) = 1;
+int VECT_VAR(expected_cumulative_sat_neg,int,32,2) = 1;
+int VECT_VAR(expected_cumulative_sat_neg,int,64,1) = 1;
+int VECT_VAR(expected_cumulative_sat_neg,int,8,16) = 1;
+int VECT_VAR(expected_cumulative_sat_neg,int,16,8) = 1;
+int VECT_VAR(expected_cumulative_sat_neg,int,32,4) = 1;
+int VECT_VAR(expected_cumulative_sat_neg,int,64,2) = 1;
+
+/* Expected results with negative input.  */
+VECT_VAR_DECL(expected_neg,uint,8,8) [] = { 0x0, 0x0, 0x0, 0x0,
+					    0x0, 0x0, 0x0, 0x0 };
+VECT_VAR_DECL(expected_neg,uint,16,4) [] = { 0x0, 0x0, 0x0, 0x0 };
+VECT_VAR_DECL(expected_neg,uint,32,2) [] = { 0x0, 0x0 };
+VECT_VAR_DECL(expected_neg,uint,64,1) [] = { 0x0 };
+VECT_VAR_DECL(expected_neg,uint,8,16) [] = { 0x0, 0x0, 0x0, 0x0,
+					     0x0, 0x0, 0x0, 0x0,
+					     0x0, 0x0, 0x0, 0x0,
+					     0x0, 0x0, 0x0, 0x0 };
+VECT_VAR_DECL(expected_neg,uint,16,8) [] = { 0x0, 0x0, 0x0, 0x0,
+					     0x0, 0x0, 0x0, 0x0 };
+VECT_VAR_DECL(expected_neg,uint,32,4) [] = { 0x0, 0x0, 0x0, 0x0 };
+VECT_VAR_DECL(expected_neg,uint,64,2) [] = { 0x0, 0x0 };
+
+/* Expected values of cumulative_saturation flag with shift by 1.  */
+int VECT_VAR(expected_cumulative_sat_sh1,int,8,8) = 0;
+int VECT_VAR(expected_cumulative_sat_sh1,int,16,4) = 0;
+int VECT_VAR(expected_cumulative_sat_sh1,int,32,2) = 0;
+int VECT_VAR(expected_cumulative_sat_sh1,int,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat_sh1,int,8,16) = 0;
+int VECT_VAR(expected_cumulative_sat_sh1,int,16,8) = 0;
+int VECT_VAR(expected_cumulative_sat_sh1,int,32,4) = 0;
+int VECT_VAR(expected_cumulative_sat_sh1,int,64,2) = 0;
+
+/* Expected results with shift by 1.  */
+VECT_VAR_DECL(expected_sh1,uint,8,8) [] = { 0xfe, 0xfe, 0xfe, 0xfe,
+					    0xfe, 0xfe, 0xfe, 0xfe };
+VECT_VAR_DECL(expected_sh1,uint,16,4) [] = { 0xfffe, 0xfffe, 0xfffe, 0xfffe };
+VECT_VAR_DECL(expected_sh1,uint,32,2) [] = { 0xfffffffe, 0xfffffffe };
+VECT_VAR_DECL(expected_sh1,uint,64,1) [] = { 0xfffffffffffffffe };
+VECT_VAR_DECL(expected_sh1,uint,8,16) [] = { 0xfe, 0xfe, 0xfe, 0xfe,
+					     0xfe, 0xfe, 0xfe, 0xfe,
+					     0xfe, 0xfe, 0xfe, 0xfe,
+					     0xfe, 0xfe, 0xfe, 0xfe };
+VECT_VAR_DECL(expected_sh1,uint,16,8) [] = { 0xfffe, 0xfffe, 0xfffe, 0xfffe,
+					     0xfffe, 0xfffe, 0xfffe, 0xfffe };
+VECT_VAR_DECL(expected_sh1,uint,32,4) [] = { 0xfffffffe, 0xfffffffe,
+					     0xfffffffe, 0xfffffffe };
+VECT_VAR_DECL(expected_sh1,uint,64,2) [] = { 0xfffffffffffffffe,
+					     0xfffffffffffffffe };
+
+/* Expected values of cumulative_saturation flag with shift by 2.  */
+int VECT_VAR(expected_cumulative_sat_sh2,int,8,8) = 1;
+int VECT_VAR(expected_cumulative_sat_sh2,int,16,4) = 1;
+int VECT_VAR(expected_cumulative_sat_sh2,int,32,2) = 1;
+int VECT_VAR(expected_cumulative_sat_sh2,int,64,1) = 1;
+int VECT_VAR(expected_cumulative_sat_sh2,int,8,16) = 1;
+int VECT_VAR(expected_cumulative_sat_sh2,int,16,8) = 1;
+int VECT_VAR(expected_cumulative_sat_sh2,int,32,4) = 1;
+int VECT_VAR(expected_cumulative_sat_sh2,int,64,2) = 1;
+
+/* Expected results with shift by 2.  */
+VECT_VAR_DECL(expected_sh2,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
+					    0xff, 0xff, 0xff, 0xff };
+VECT_VAR_DECL(expected_sh2,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
+VECT_VAR_DECL(expected_sh2,uint,32,2) [] = { 0xffffffff, 0xffffffff };
+VECT_VAR_DECL(expected_sh2,uint,64,1) [] = { 0xffffffffffffffff };
+VECT_VAR_DECL(expected_sh2,uint,8,16) [] = { 0xff, 0xff, 0xff, 0xff,
+					     0xff, 0xff, 0xff, 0xff,
+					     0xff, 0xff, 0xff, 0xff,
+					     0xff, 0xff, 0xff, 0xff };
+VECT_VAR_DECL(expected_sh2,uint,16,8) [] = { 0xffff, 0xffff, 0xffff, 0xffff,
+					     0xffff, 0xffff, 0xffff, 0xffff };
+VECT_VAR_DECL(expected_sh2,uint,32,4) [] = { 0xffffffff, 0xffffffff,
+					     0xffffffff, 0xffffffff };
+VECT_VAR_DECL(expected_sh2,uint,64,2) [] = { 0xffffffffffffffff,
+					     0xffffffffffffffff };
+
+/* 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,int,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat,int,8,16) = 0;
+int VECT_VAR(expected_cumulative_sat,int,16,8) = 0;
+int VECT_VAR(expected_cumulative_sat,int,32,4) = 0;
+int VECT_VAR(expected_cumulative_sat,int,64,2) = 0;
+
+/* Expected results.  */
+VECT_VAR_DECL(expected,uint,8,8) [] = { 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2 };
+VECT_VAR_DECL(expected,uint,16,4) [] = { 0x8, 0x8, 0x8, 0x8 };
+VECT_VAR_DECL(expected,uint,32,2) [] = { 0x18, 0x18 };
+VECT_VAR_DECL(expected,uint,64,1) [] = { 0x40 };
+VECT_VAR_DECL(expected,uint,8,16) [] = { 0xa0, 0xa0, 0xa0, 0xa0,
+					 0xa0, 0xa0, 0xa0, 0xa0,
+					 0xa0, 0xa0, 0xa0, 0xa0,
+					 0xa0, 0xa0, 0xa0, 0xa0 };
+VECT_VAR_DECL(expected,uint,16,8) [] = { 0x180, 0x180, 0x180, 0x180,
+					 0x180, 0x180, 0x180, 0x180 };
+VECT_VAR_DECL(expected,uint,32,4) [] = { 0x380, 0x380, 0x380, 0x380 };
+VECT_VAR_DECL(expected,uint,64,2) [] = { 0x800, 0x800 };
+
+
+#define INSN vqshlu
+#define TEST_MSG "VQSHLU_N/VQSHLUQ_N"
+
+#define FNNAME1(NAME) void exec_ ## NAME ## _n(void)
+#define FNNAME(NAME) FNNAME1(NAME)
+
+FNNAME (INSN)
+{
+  /* Basic test: v2=vqshlu_n(v1,v), then store the result.  */
+#define TEST_VQSHLU_N2(INSN, Q, T1, T2, T3, T4, W, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \
+  Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T3, W, N));		\
+  VECT_VAR(vector_res, T3, W, N) =					\
+    INSN##Q##_n_##T2##W(VECT_VAR(vector, T1, W, N),			\
+			V);						\
+  vst1##Q##_##T4##W(VECT_VAR(result, T3, W, N),				\
+		    VECT_VAR(vector_res, T3, W, N));			\
+  CHECK_CUMULATIVE_SAT(TEST_MSG, T1, W, N, EXPECTED_CUMULATIVE_SAT, CMT)
+
+  /* Two auxliary macros are necessary to expand INSN */
+#define TEST_VQSHLU_N1(INSN, Q, T1, T2, T3, T4, W, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \
+  TEST_VQSHLU_N2(INSN, Q, T1, T2, T3, T4, W, N, V, EXPECTED_CUMULATIVE_SAT, CMT)
+
+#define TEST_VQSHLU_N(Q, T1, T2, T3, T4, W, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \
+  TEST_VQSHLU_N1(INSN, Q, T1, T2, T3, T4, W, N, V, EXPECTED_CUMULATIVE_SAT, CMT)
+
+
+  DECL_VARIABLE_ALL_VARIANTS(vector);
+  DECL_VARIABLE_ALL_VARIANTS(vector_res);
+
+  clean_results ();
+
+  /* Fill input vector with negative values, to check saturation on
+     limits.  */
+  VDUP(vector, , int, s, 8, 8, -1);
+  VDUP(vector, , int, s, 16, 4, -2);
+  VDUP(vector, , int, s, 32, 2, -3);
+  VDUP(vector, , int, s, 64, 1, -4);
+  VDUP(vector, q, int, s, 8, 16, -1);
+  VDUP(vector, q, int, s, 16, 8, -2);
+  VDUP(vector, q, int, s, 32, 4, -3);
+  VDUP(vector, q, int, s, 64, 2, -4);
+
+  /* Choose shift amount arbitrarily.  */
+#define CMT " (negative input)"
+  TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 2, expected_cumulative_sat_neg, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 1, expected_cumulative_sat_neg, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 1, expected_cumulative_sat_neg, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 2, expected_cumulative_sat_neg, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 2, expected_cumulative_sat_neg, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 1, expected_cumulative_sat_neg, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 1, expected_cumulative_sat_neg, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 2, expected_cumulative_sat_neg, CMT);
+
+  CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_neg, CMT);
+  CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_neg, CMT);
+  CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_neg, CMT);
+  CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_neg, CMT);
+  CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_neg, CMT);
+  CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_neg, CMT);
+  CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_neg, CMT);
+  CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_neg, CMT);
+
+  
+  /* Fill input vector with max value, to check saturation on
+     limits.  */
+  VDUP(vector, , int, s, 8, 8, 0x7F);
+  VDUP(vector, , int, s, 16, 4, 0x7FFF);
+  VDUP(vector, , int, s, 32, 2, 0x7FFFFFFF);
+  VDUP(vector, , int, s, 64, 1, 0x7FFFFFFFFFFFFFFFLL);
+  VDUP(vector, q, int, s, 8, 16, 0x7F);
+  VDUP(vector, q, int, s, 16, 8, 0x7FFF);
+  VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF);
+  VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFULL);
+
+  /* shift by 1.  */
+#undef CMT
+#define CMT " (shift by 1)"
+  TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 1, expected_cumulative_sat_sh1, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 1, expected_cumulative_sat_sh1, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 1, expected_cumulative_sat_sh1, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 1, expected_cumulative_sat_sh1, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 1, expected_cumulative_sat_sh1, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 1, expected_cumulative_sat_sh1, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 1, expected_cumulative_sat_sh1, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 1, expected_cumulative_sat_sh1, CMT);
+
+  CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_sh1, CMT);
+  CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_sh1, CMT);
+  CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_sh1, CMT);
+  CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_sh1, CMT);
+  CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_sh1, CMT);
+  CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_sh1, CMT);
+  CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_sh1, CMT);
+  CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_sh1, CMT);
+
+  /* shift by 2 to force saturation.  */
+#undef CMT
+#define CMT " (shift by 2)"
+  TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 2, expected_cumulative_sat_sh2, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 2, expected_cumulative_sat_sh2, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 2, expected_cumulative_sat_sh2, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 2, expected_cumulative_sat_sh2, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 2, expected_cumulative_sat_sh2, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 2, expected_cumulative_sat_sh2, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 2, expected_cumulative_sat_sh2, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 2, expected_cumulative_sat_sh2, CMT);
+
+  CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_sh2, CMT);
+  CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_sh2, CMT);
+  CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_sh2, CMT);
+  CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_sh2, CMT);
+  CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_sh2, CMT);
+  CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_sh2, CMT);
+  CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_sh2, CMT);
+  CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_sh2, CMT);
+
+  
+  /* Fill input vector with positive values, to check normal case.  */
+  VDUP(vector, , int, s, 8, 8, 1);
+  VDUP(vector, , int, s, 16, 4, 2);
+  VDUP(vector, , int, s, 32, 2, 3);
+  VDUP(vector, , int, s, 64, 1, 4);
+  VDUP(vector, q, int, s, 8, 16, 5);
+  VDUP(vector, q, int, s, 16, 8, 6);
+  VDUP(vector, q, int, s, 32, 4, 7);
+  VDUP(vector, q, int, s, 64, 2, 8);
+
+  /* Arbitrary shift amount.  */
+#undef CMT
+#define CMT ""
+  TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 1, expected_cumulative_sat, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 2, expected_cumulative_sat, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 3, expected_cumulative_sat, CMT);
+  TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 4, expected_cumulative_sat, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 5, expected_cumulative_sat, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 6, expected_cumulative_sat, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 7, expected_cumulative_sat, CMT);
+  TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 8, expected_cumulative_sat, 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);
+  CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected, CMT);
+  CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected, CMT);
+  CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected, CMT);
+  CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected, CMT);
+  CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected, CMT);
+}
+
+int main (void)
+{
+  exec_vqshlu_n ();
+  return 0;
+}