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+/*
+
+Copyright (c) 2009, 2010, 2011, 2013 STMicroelectronics
+Written by Christophe Lyon
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+*/
+
+#if defined(__arm__) || defined(__aarch64__)
+#include <arm_neon.h>
+#else
+#include "stm-arm-neon.h"
+#endif
+
+#include "stm-arm-neon-ref.h"
+
+void exec_vtbX (void)
+{
+ int i;
+
+ /* In this case, input variables are arrays of vectors */
+#define DECL_VTBX(T1, W, N, X) \
+ VECT_ARRAY_TYPE(T1, W, N, X) VECT_ARRAY_VAR(table_vector, T1, W, N, X)
+
+ /* The vtbl1 variant is different from vtbl{2,3,4} because it takes a
+ vector as 1st param, instead of an array of vectors */
+#define TEST_VTBL1(T1, T2, T3, W, N) \
+ VECT_VAR(table_vector, T1, W, N) = \
+ vld1##_##T2##W((T1##W##_t *)lookup_table); \
+ \
+ VECT_VAR(vector_res, T1, W, N) = \
+ vtbl1_##T2##W(VECT_VAR(table_vector, T1, W, N), \
+ VECT_VAR(vector, T3, W, N)); \
+ vst1_##T2##W(VECT_VAR(result, T1, W, N), \
+ VECT_VAR(vector_res, T1, W, N));
+
+#define TEST_VTBLX(T1, T2, T3, W, N, X) \
+ VECT_ARRAY_VAR(table_vector, T1, W, N, X) = \
+ vld##X##_##T2##W((T1##W##_t *)lookup_table); \
+ \
+ VECT_VAR(vector_res, T1, W, N) = \
+ vtbl##X##_##T2##W(VECT_ARRAY_VAR(table_vector, T1, W, N, X), \
+ VECT_VAR(vector, T3, W, N)); \
+ vst1_##T2##W(VECT_VAR(result, T1, W, N), \
+ VECT_VAR(vector_res, T1, W, N));
+
+ /* With ARM RVCT, we need to declare variables before any executable
+ statement */
+
+ /* We need to define a lookup table */
+ uint8_t lookup_table[32];
+
+ DECL_VARIABLE(vector, int, 8, 8);
+ DECL_VARIABLE(vector, uint, 8, 8);
+ DECL_VARIABLE(vector, poly, 8, 8);
+ DECL_VARIABLE(vector_res, int, 8, 8);
+ DECL_VARIABLE(vector_res, uint, 8, 8);
+ DECL_VARIABLE(vector_res, poly, 8, 8);
+
+ /* For vtbl1 */
+ DECL_VARIABLE(table_vector, int, 8, 8);
+ DECL_VARIABLE(table_vector, uint, 8, 8);
+ DECL_VARIABLE(table_vector, poly, 8, 8);
+
+ /* For vtbx* */
+ DECL_VARIABLE(default_vector, int, 8, 8);
+ DECL_VARIABLE(default_vector, uint, 8, 8);
+ DECL_VARIABLE(default_vector, poly, 8, 8);
+
+ /* We need only 8 bits variants */
+#define DECL_ALL_VTBLX(X) \
+ DECL_VTBX(int, 8, 8, X); \
+ DECL_VTBX(uint, 8, 8, X); \
+ DECL_VTBX(poly, 8, 8, X)
+
+#define TEST_ALL_VTBL1() \
+ TEST_VTBL1(int, s, int, 8, 8); \
+ TEST_VTBL1(uint, u, uint, 8, 8); \
+ TEST_VTBL1(poly, p, uint, 8, 8)
+
+#define TEST_ALL_VTBLX(X) \
+ TEST_VTBLX(int, s, int, 8, 8, X); \
+ TEST_VTBLX(uint, u, uint, 8, 8, X); \
+ TEST_VTBLX(poly, p, uint, 8, 8, X)
+
+ /* Declare the temporary buffers / variables */
+ DECL_ALL_VTBLX(2);
+ DECL_ALL_VTBLX(3);
+ DECL_ALL_VTBLX(4);
+
+ /* Fill the lookup table */
+ for (i=0; i<32; i++) {
+ lookup_table[i] = i-15;
+ }
+
+ /* Choose init value arbitrarily, will be used as table index */
+ VDUP(vector, , int, s, 8, 8, 1);
+ VDUP(vector, , uint, u, 8, 8, 2);
+ VDUP(vector, , poly, p, 8, 8, 2);
+
+ /* To ensure code coverage of lib, add some indexes larger than 8,16 and 32 */
+ /* except: lane 0 (by 6), lane 1 (by 8) and lane 2 (by 9) */
+ TEST_VSET_LANE(vector, , int, s, 8, 8, 0, 10);
+ TEST_VSET_LANE(vector, , int, s, 8, 8, 4, 20);
+ TEST_VSET_LANE(vector, , int, s, 8, 8, 5, 40);
+ TEST_VSET_LANE(vector, , uint, u, 8, 8, 0, 10);
+ TEST_VSET_LANE(vector, , uint, u, 8, 8, 4, 20);
+ TEST_VSET_LANE(vector, , uint, u, 8, 8, 5, 40);
+ TEST_VSET_LANE(vector, , poly, p, 8, 8, 0, 10);
+ TEST_VSET_LANE(vector, , poly, p, 8, 8, 4, 20);
+ TEST_VSET_LANE(vector, , poly, p, 8, 8, 5, 40);
+
+
+ /* Check vtbl1 */
+ clean_results ();
+#define TEST_MSG "VTBL1"
+ TEST_ALL_VTBL1();
+ dump_results_hex (TEST_MSG);
+
+ /* Check vtbl2 */
+ clean_results ();
+#undef TEST_MSG
+#define TEST_MSG "VTBL2"
+ TEST_ALL_VTBLX(2);
+ dump_results_hex (TEST_MSG);
+
+ /* Check vtbl3 */
+ clean_results ();
+#undef TEST_MSG
+#define TEST_MSG "VTBL3"
+ TEST_ALL_VTBLX(3);
+ dump_results_hex (TEST_MSG);
+
+ /* Check vtbl4 */
+ clean_results ();
+#undef TEST_MSG
+#define TEST_MSG "VTBL4"
+ TEST_ALL_VTBLX(4);
+ dump_results_hex (TEST_MSG);
+
+
+ /* Now test VTBX */
+
+ /* The vtbx1 variant is different from vtbx{2,3,4} because it takes a
+ vector as 1st param, instead of an array of vectors */
+#define TEST_VTBX1(T1, T2, T3, W, N) \
+ VECT_VAR(table_vector, T1, W, N) = \
+ vld1##_##T2##W((T1##W##_t *)lookup_table); \
+ \
+ VECT_VAR(vector_res, T1, W, N) = \
+ vtbx1_##T2##W(VECT_VAR(default_vector, T1, W, N), \
+ VECT_VAR(table_vector, T1, W, N), \
+ VECT_VAR(vector, T3, W, N)); \
+ vst1_##T2##W(VECT_VAR(result, T1, W, N), \
+ VECT_VAR(vector_res, T1, W, N));
+
+#define TEST_VTBXX(T1, T2, T3, W, N, X) \
+ VECT_ARRAY_VAR(table_vector, T1, W, N, X) = \
+ vld##X##_##T2##W((T1##W##_t *)lookup_table); \
+ \
+ VECT_VAR(vector_res, T1, W, N) = \
+ vtbx##X##_##T2##W(VECT_VAR(default_vector, T1, W, N), \
+ VECT_ARRAY_VAR(table_vector, T1, W, N, X), \
+ VECT_VAR(vector, T3, W, N)); \
+ vst1_##T2##W(VECT_VAR(result, T1, W, N), \
+ VECT_VAR(vector_res, T1, W, N));
+
+#define TEST_ALL_VTBX1() \
+ TEST_VTBX1(int, s, int, 8, 8); \
+ TEST_VTBX1(uint, u, uint, 8, 8); \
+ TEST_VTBX1(poly, p, uint, 8, 8)
+
+#define TEST_ALL_VTBXX(X) \
+ TEST_VTBXX(int, s, int, 8, 8, X); \
+ TEST_VTBXX(uint, u, uint, 8, 8, X); \
+ TEST_VTBXX(poly, p, uint, 8, 8, X)
+
+ /* Choose init value arbitrarily, will be used as default value */
+ VDUP(default_vector, , int, s, 8, 8, 0x33);
+ VDUP(default_vector, , uint, u, 8, 8, 0xCC);
+ VDUP(default_vector, , poly, p, 8, 8, 0xCC);
+
+ /* Check vtbx1 */
+ clean_results ();
+#undef TEST_MSG
+#define TEST_MSG "VTBX1"
+ TEST_ALL_VTBX1();
+ dump_results_hex (TEST_MSG);
+
+ /* Check vtbx2 */
+ clean_results ();
+#undef TEST_MSG
+#define TEST_MSG "VTBX2"
+ TEST_ALL_VTBXX(2);
+ dump_results_hex (TEST_MSG);
+
+ /* Check vtbx3 */
+ clean_results ();
+#undef TEST_MSG
+#define TEST_MSG "VTBX3"
+ TEST_ALL_VTBXX(3);
+ dump_results_hex (TEST_MSG);
+
+ /* Check vtbx4 */
+ clean_results ();
+#undef TEST_MSG
+#define TEST_MSG "VTBX4"
+ TEST_ALL_VTBXX(4);
+ dump_results_hex (TEST_MSG);
+}