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Diffstat (limited to 'ref_vrshl.c')
| -rw-r--r-- | ref_vrshl.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/ref_vrshl.c b/ref_vrshl.c new file mode 100644 index 0000000..8790619 --- /dev/null +++ b/ref_vrshl.c @@ -0,0 +1,220 @@ +/* + +Copyright (c) 2009, 2010, 2011 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 TEST_MSG "VRSHL/VRSHLQ" +void exec_vrshl (void) +{ + /* Basic test: v3=vrshl(v1,v2), then store the result. */ +#define TEST_VRSHL(T3, Q, T1, T2, W, N) \ + VECT_VAR(vector_res, T1, W, N) = \ + vrshl##Q##_##T2##W(VECT_VAR(vector, T1, W, N), \ + VECT_VAR(vector_shift, T3, W, N)); \ + vst1##Q##_##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 */ + DECL_VARIABLE_ALL_VARIANTS(vector); + DECL_VARIABLE_ALL_VARIANTS(vector_res); + + DECL_VARIABLE_SIGNED_VARIANTS(vector_shift); + + clean_results (); + + /* Fill input vector with 0, to check behavior on limits */ + VDUP(vector, , int, s, 8, 8, 0); + VDUP(vector, , int, s, 16, 4, 0); + VDUP(vector, , int, s, 32, 2, 0); + VDUP(vector, , int, s, 64, 1, 0); + VDUP(vector, , uint, u, 8, 8, 0); + VDUP(vector, , uint, u, 16, 4, 0); + VDUP(vector, , uint, u, 32, 2, 0); + VDUP(vector, , uint, u, 64, 1, 0); + VDUP(vector, q, int, s, 8, 16, 0); + VDUP(vector, q, int, s, 16, 8, 0); + VDUP(vector, q, int, s, 32, 4, 0); + VDUP(vector, q, int, s, 64, 2, 0); + VDUP(vector, q, uint, u, 8, 16, 0); + VDUP(vector, q, uint, u, 16, 8, 0); + VDUP(vector, q, uint, u, 32, 4, 0); + VDUP(vector, q, uint, u, 64, 2, 0); + + /* Choose init value arbitrarily, will be used as shift amount */ + /* Use values equal to one-less-than the type width to check + behaviour on limits */ + VDUP(vector_shift, , int, s, 8, 8, 7); + VDUP(vector_shift, , int, s, 16, 4, 15); + VDUP(vector_shift, , int, s, 32, 2, 31); + VDUP(vector_shift, , int, s, 64, 1, 63); + VDUP(vector_shift, q, int, s, 8, 16, 7); + VDUP(vector_shift, q, int, s, 16, 8, 15); + VDUP(vector_shift, q, int, s, 32, 4, 31); + VDUP(vector_shift, q, int, s, 64, 2, 63); + + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VRSHL, int); + + dump_results_hex2 (TEST_MSG, " (with input = 0)"); + + /* Use negative shift amounts */ + VDUP(vector_shift, , int, s, 8, 8, -1); + VDUP(vector_shift, , int, s, 16, 4, -2); + VDUP(vector_shift, , int, s, 32, 2, -3); + VDUP(vector_shift, , int, s, 64, 1, -4); + VDUP(vector_shift, q, int, s, 8, 16, -7); + VDUP(vector_shift, q, int, s, 16, 8, -11); + VDUP(vector_shift, q, int, s, 32, 4, -13); + VDUP(vector_shift, q, int, s, 64, 2, -20); + + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VRSHL, int); + + dump_results_hex2 (TEST_MSG, " (input 0 and negative shift amount)"); + + /* Test again, with predefined input values */ + TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector, buffer); + + /* Choose init value arbitrarily, will be used as shift amount */ + VDUP(vector_shift, , int, s, 8, 8, 1); + VDUP(vector_shift, , int, s, 16, 4, 3); + VDUP(vector_shift, , int, s, 32, 2, 8); + VDUP(vector_shift, , int, s, 64, 1, -3); + VDUP(vector_shift, q, int, s, 8, 16, 10); + VDUP(vector_shift, q, int, s, 16, 8, 12); + VDUP(vector_shift, q, int, s, 32, 4, 32); + VDUP(vector_shift, q, int, s, 64, 2, 63); + + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VRSHL, int); + + dump_results_hex (TEST_MSG); + + + /* Use negative shift amounts */ + VDUP(vector_shift, , int, s, 8, 8, -1); + VDUP(vector_shift, , int, s, 16, 4, -2); + VDUP(vector_shift, , int, s, 32, 2, -3); + VDUP(vector_shift, , int, s, 64, 1, -4); + VDUP(vector_shift, q, int, s, 8, 16, -7); + VDUP(vector_shift, q, int, s, 16, 8, -11); + VDUP(vector_shift, q, int, s, 32, 4, -13); + VDUP(vector_shift, q, int, s, 64, 2, -20); + + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VRSHL, int); + + dump_results_hex2 (TEST_MSG, " (negative shift amount)"); + + /* Fill input vector with max value, to check behavior 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, , uint, u, 8, 8, 0xFF); + VDUP(vector, , uint, u, 16, 4, 0xFFFF); + VDUP(vector, , uint, u, 32, 2, 0xFFFFFFFF); + VDUP(vector, , uint, u, 64, 1, 0xFFFFFFFFFFFFFFFFULL); + 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, 0x7FFFFFFFFFFFFFFFLL); + VDUP(vector, q, uint, u, 8, 16, 0xFF); + VDUP(vector, q, uint, u, 16, 8, 0xFFFF); + VDUP(vector, q, uint, u, 32, 4, 0xFFFFFFFF); + VDUP(vector, q, uint, u, 64, 2, 0xFFFFFFFFFFFFFFFFULL); + + /* Use -1 shift amount to check overflow with round_const */ + VDUP(vector_shift, , int, s, 8, 8, -1); + VDUP(vector_shift, , int, s, 16, 4, -1); + VDUP(vector_shift, , int, s, 32, 2, -1); + VDUP(vector_shift, , int, s, 64, 1, -1); + VDUP(vector_shift, q, int, s, 8, 16, -1); + VDUP(vector_shift, q, int, s, 16, 8, -1); + VDUP(vector_shift, q, int, s, 32, 4, -1); + VDUP(vector_shift, q, int, s, 64, 2, -1); + + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VRSHL, int); + + dump_results_hex2 (TEST_MSG, " (checking round_const overflow: shift by -1)"); + + /* Use -3 shift amount to check overflow with round_const */ + VDUP(vector_shift, , int, s, 8, 8, -3); + VDUP(vector_shift, , int, s, 16, 4, -3); + VDUP(vector_shift, , int, s, 32, 2, -3); + VDUP(vector_shift, , int, s, 64, 1, -3); + VDUP(vector_shift, q, int, s, 8, 16, -3); + VDUP(vector_shift, q, int, s, 16, 8, -3); + VDUP(vector_shift, q, int, s, 32, 4, -3); + VDUP(vector_shift, q, int, s, 64, 2, -3); + + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VRSHL, int); + + dump_results_hex2 (TEST_MSG, " (checking round_const overflow: shift by -3)"); + + /* Use negative shift amount as large as input vector width */ + VDUP(vector_shift, , int, s, 8, 8, -8); + VDUP(vector_shift, , int, s, 16, 4, -16); + VDUP(vector_shift, , int, s, 32, 2, -32); + VDUP(vector_shift, , int, s, 64, 1, -64); + VDUP(vector_shift, q, int, s, 8, 16, -8); + VDUP(vector_shift, q, int, s, 16, 8, -16); + VDUP(vector_shift, q, int, s, 32, 4, -32); + VDUP(vector_shift, q, int, s, 64, 2, -64); + + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VRSHL, int); + + dump_results_hex2 (TEST_MSG, " (checking negative shift amount as large as input vector width)"); + + /* Test large shift amount */ + VDUP(vector_shift, , int, s, 8, 8, 10); + VDUP(vector_shift, , int, s, 16, 4, 20); + VDUP(vector_shift, , int, s, 32, 2, 33); + VDUP(vector_shift, , int, s, 64, 1, 65); + VDUP(vector_shift, q, int, s, 8, 16, 9); + VDUP(vector_shift, q, int, s, 16, 8, 16); + VDUP(vector_shift, q, int, s, 32, 4, 32); + VDUP(vector_shift, q, int, s, 64, 2, 64); + + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VRSHL, int); + + dump_results_hex2 (TEST_MSG, " (large shift amount)"); + + /* Test large negative shift amount */ + VDUP(vector_shift, , int, s, 8, 8, -10); + VDUP(vector_shift, , int, s, 16, 4, -20); + VDUP(vector_shift, , int, s, 32, 2, -33); + VDUP(vector_shift, , int, s, 64, 1, -65); + VDUP(vector_shift, q, int, s, 8, 16, -9); + VDUP(vector_shift, q, int, s, 16, 8, -16); + VDUP(vector_shift, q, int, s, 32, 4, -32); + VDUP(vector_shift, q, int, s, 64, 2, -64); + + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VRSHL, int); + + dump_results_hex2 (TEST_MSG, " (large negative shift amount)"); +} |