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Diffstat (limited to 'ref_vqshl.c')
| -rw-r--r-- | ref_vqshl.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/ref_vqshl.c b/ref_vqshl.c new file mode 100644 index 0000000..a9d29d7 --- /dev/null +++ b/ref_vqshl.c @@ -0,0 +1,241 @@ +/* + +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 INSN vqshl +#define TEST_MSG "VQSHL/VQSHLQ" + +#define FNNAME1(NAME) void exec_ ## NAME (void) +#define FNNAME(NAME) FNNAME1(NAME) + +FNNAME (INSN) +{ + /* Basic test: v3=vqshl(v1,v2), then store the result. */ +#define TEST_VQSHL2(INSN, T3, Q, T1, T2, W, N) \ + Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N)); \ + VECT_VAR(vector_res, T1, W, N) = \ + INSN##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)); \ + dump_neon_cumulative_sat(TEST_MSG, xSTR(INSN##Q##_##T2##W), \ + xSTR(T1), W, N) + + /* Two auxliary macros are necessary to expand INSN */ +#define TEST_VQSHL1(INSN, T3, Q, T1, T2, W, N) \ + TEST_VQSHL2(INSN, T3, Q, T1, T2, W, N) + +#define TEST_VQSHL(T3, Q, T1, T2, W, N) \ + TEST_VQSHL1(INSN, T3, Q, T1, T2, 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 saturation 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 or one-less-than the type width to check + behaviour on limits */ + /* Shift all lanes by 7 ... */ + VDUP(vector_shift, , int, s, 8, 8, 7); + /* except: lane 0 (by 6), lane 1 (by 8) and lane 2 (by 9) */ + TEST_VSET_LANE(vector_shift, , int, s, 8, 8, 0, 6); + TEST_VSET_LANE(vector_shift, , int, s, 8, 8, 1, 8); + TEST_VSET_LANE(vector_shift, , int, s, 8, 8, 2, 9); + + VDUP(vector_shift, , int, s, 16, 4, 15); + TEST_VSET_LANE(vector_shift, , int, s, 16, 4, 0, 14); + TEST_VSET_LANE(vector_shift, , int, s, 16, 4, 1, 16); + TEST_VSET_LANE(vector_shift, , int, s, 16, 4, 2, 17); + + VDUP(vector_shift, , int, s, 32, 2, 31); + TEST_VSET_LANE(vector_shift, , int, s, 32, 2, 1, 30); + + VDUP(vector_shift, , int, s, 64, 1, 63); + + 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); + TEST_VSET_LANE(vector_shift, q, int, s, 32, 4, 1, 33); + + VDUP(vector_shift, q, int, s, 64, 2, 64); + TEST_VSET_LANE(vector_shift, q, int, s, 64, 2, 1, 62); + + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (with input = 0)"); + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, 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); + + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (input 0 and negative shift amount)"); + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, 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); + + fprintf(ref_file, "\n%s cumulative saturation output:\n", TEST_MSG); + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, 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); + + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (negative shift amount)"); + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int); + dump_results_hex2 (TEST_MSG, " (negative shift amount)"); + + /* Use large shift amounts */ + 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); + + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (large shift amount, negative input)"); + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int); + dump_results_hex2 (TEST_MSG, " (large shift amount, 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, , 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); + + /* Shift by -1 */ + 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); + + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (check cumulative saturation)"); + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int); + dump_results_hex2 (TEST_MSG, " (check cumulative saturation)"); + + /* Use large shift amounts */ + 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); + + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (large shift amount, positive input)"); + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int); + dump_results_hex2 (TEST_MSG, " (large shift amount, positive input)"); + + /* Check 64 bits saturation */ + VDUP(vector, , int, s, 64, 1, -10); + VDUP(vector_shift, , int, s, 64, 1, 64); + VDUP(vector, q, int, s, 64, 2, 10); + VDUP(vector_shift, q, int, s, 64, 2, 64); + fprintf(ref_file, "\n%s cumulative saturation output:\n", + TEST_MSG " (check saturation on 64 bits)"); + TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQSHL, int); + dump_results_hex2 (TEST_MSG, " (check saturation on 64 bits)"); +} |