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Diffstat (limited to 'ref_vqshlu_n.c')
| -rw-r--r-- | ref_vqshlu_n.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/ref_vqshlu_n.c b/ref_vqshlu_n.c new file mode 100644 index 0000000..27d53de --- /dev/null +++ b/ref_vqshlu_n.c @@ -0,0 +1,157 @@ +/* + +Copyright (c) 2009, 2010, 2011, 2012 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" + +#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) \ + 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)); \ + dump_neon_cumulative_sat(TEST_MSG, xSTR(INSN##Q##_n_##T2##W), \ + xSTR(T1), W, N) + + /* Two auxliary macros are necessary to expand INSN */ +#define TEST_VQSHLU_N1(INSN, Q, T1, T2, T3, T4, W, N, V) \ + TEST_VQSHLU_N2(INSN, Q, T1, T2, T3, T4, W, N, V) + +#define TEST_VQSHLU_N(Q, T1, T2, T3, T4, W, N, V) \ + TEST_VQSHLU_N1(INSN, Q, T1, T2, T3, T4, W, N, V) + + + /* With ARM RVCT, we need to declare variables before any executable + statement */ + 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 */ + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (negative input)"); + TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 2); + TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 1); + TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 1); + TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 2); + + TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 2); + TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 1); + TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 1); + TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 2); + + /* FIXME: only a few result buffers are used, but we output all of them */ + dump_results_hex2 (TEST_MSG, " (negative input)"); + + /* 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 */ + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (check cumulative saturation: shift by 1)"); + TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 1); + TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 1); + TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 1); + TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 1); + + TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 1); + TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 1); + TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 1); + TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 1); + + dump_results_hex2 (TEST_MSG, " (check cumulative saturation: shift by 1)"); + + /* shift by 2 to force saturation */ + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (check cumulative saturation: shift by 2)"); + TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 2); + TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 2); + TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 2); + TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 2); + + TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 2); + TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 2); + TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 2); + TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 2); + + dump_results_hex2 (TEST_MSG, " (check cumulative saturation: shift by 2)"); + + /* 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); + + /* shift arbitrary amount */ + fprintf(ref_file, "\n%s cumulative saturation output:\n", TEST_MSG); + TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 1); + TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 2); + TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 3); + TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 4); + + TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 5); + TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 6); + TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 7); + TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 8); + + dump_results_hex (TEST_MSG); +} |