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      1 /*
      2 
      3 Copyright (c) 2009, 2010, 2011, 2012 STMicroelectronics
      4 Written by Christophe Lyon
      5 
      6 Permission is hereby granted, free of charge, to any person obtaining a copy
      7 of this software and associated documentation files (the "Software"), to deal
      8 in the Software without restriction, including without limitation the rights
      9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     10 copies of the Software, and to permit persons to whom the Software is
     11 furnished to do so, subject to the following conditions:
     12 
     13 The above copyright notice and this permission notice shall be included in
     14 all copies or substantial portions of the Software.
     15 
     16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     22 THE SOFTWARE.
     23 
     24 */
     25 
     26 #if defined(__arm__) || defined(__aarch64__)
     27 #include <arm_neon.h>
     28 #else
     29 #include "stm-arm-neon.h"
     30 #endif
     31 
     32 #include "stm-arm-neon-ref.h"
     33 
     34 #define INSN vqshl
     35 #define TEST_MSG "VQSHL_N/VQSHLQ_N"
     36 
     37 #define FNNAME1(NAME) void exec_ ## NAME ##_n (void)
     38 #define FNNAME(NAME) FNNAME1(NAME)
     39 
     40 FNNAME (INSN)
     41 {
     42   /* Basic test: v2=vqshl_n(v1,v), then store the result.  */
     43 #define TEST_VQSHL_N2(INSN, Q, T1, T2, W, N, V)			\
     44   Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N));	\
     45   VECT_VAR(vector_res, T1, W, N) =				\
     46     INSN##Q##_n_##T2##W(VECT_VAR(vector, T1, W, N),		\
     47 			V);					\
     48   vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N),			\
     49 		    VECT_VAR(vector_res, T1, W, N));		\
     50   dump_neon_cumulative_sat(TEST_MSG, xSTR(INSN##Q##_n_##T2##W),	\
     51 			   xSTR(T1), W, N)
     52 
     53   /* Two auxliary macros are necessary to expand INSN */
     54 #define TEST_VQSHL_N1(INSN, T3, Q, T1, T2, W, N)	\
     55   TEST_VQSHL_N2(INSN, T3, Q, T1, T2, W, N)
     56 
     57 #define TEST_VQSHL_N(T3, Q, T1, T2, W, N)	\
     58   TEST_VQSHL_N1(INSN, T3, Q, T1, T2, W, N)
     59 
     60   /* With ARM RVCT, we need to declare variables before any executable
     61      statement */
     62   DECL_VARIABLE_ALL_VARIANTS(vector);
     63   DECL_VARIABLE_ALL_VARIANTS(vector_res);
     64 
     65   clean_results ();
     66 
     67   TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector, buffer);
     68 
     69   /* Choose shift amount arbitrarily  */
     70   fprintf(ref_file, "\n%s cumulative saturation output:\n", TEST_MSG);
     71   TEST_VQSHL_N(, int, s, 8, 8, 2);
     72   TEST_VQSHL_N(, int, s, 16, 4, 1);
     73   TEST_VQSHL_N(, int, s, 32, 2, 1);
     74   TEST_VQSHL_N(, int, s, 64, 1, 2);
     75   TEST_VQSHL_N(, uint, u, 8, 8, 3);
     76   TEST_VQSHL_N(, uint, u, 16, 4, 2);
     77   TEST_VQSHL_N(, uint, u, 32, 2, 3);
     78   TEST_VQSHL_N(, uint, u, 64, 1, 3);
     79 
     80   TEST_VQSHL_N(q, int, s, 8, 16, 2);
     81   TEST_VQSHL_N(q, int, s, 16, 8, 1);
     82   TEST_VQSHL_N(q, int, s, 32, 4, 1);
     83   TEST_VQSHL_N(q, int, s, 64, 2, 2);
     84   TEST_VQSHL_N(q, uint, u, 8, 16, 3);
     85   TEST_VQSHL_N(q, uint, u, 16, 8, 2);
     86   TEST_VQSHL_N(q, uint, u, 32, 4, 3);
     87   TEST_VQSHL_N(q, uint, u, 64, 2, 3);
     88 
     89   /* FIXME: only a few result buffers are used, but we output all of them */
     90   dump_results_hex (TEST_MSG);
     91 
     92 
     93   /* Fill input vector with max value, to check saturation on limits */
     94   VDUP(vector, , int, s, 8, 8, 0x7F);
     95   VDUP(vector, , int, s, 16, 4, 0x7FFF);
     96   VDUP(vector, , int, s, 32, 2, 0x7FFFFFFF);
     97   VDUP(vector, , int, s, 64, 1, 0x7FFFFFFFFFFFFFFFLL);
     98   VDUP(vector, , uint, u, 8, 8, 0xFF);
     99   VDUP(vector, , uint, u, 16, 4, 0xFFFF);
    100   VDUP(vector, , uint, u, 32, 2, 0xFFFFFFFF);
    101   VDUP(vector, , uint, u, 64, 1, 0xFFFFFFFFFFFFFFFFULL);
    102   VDUP(vector, q, int, s, 8, 16, 0x7F);
    103   VDUP(vector, q, int, s, 16, 8, 0x7FFF);
    104   VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF);
    105   VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFLL);
    106   VDUP(vector, q, uint, u, 8, 16, 0xFF);
    107   VDUP(vector, q, uint, u, 16, 8, 0xFFFF);
    108   VDUP(vector, q, uint, u, 32, 4, 0xFFFFFFFF);
    109   VDUP(vector, q, uint, u, 64, 2, 0xFFFFFFFFFFFFFFFFULL);
    110 
    111   fprintf(ref_file, "\n%s cumulative saturation output:\n",
    112 	  TEST_MSG " (check saturation with large positive input)");
    113   TEST_VQSHL_N(, int, s, 8, 8, 2);
    114   TEST_VQSHL_N(, int, s, 16, 4, 1);
    115   TEST_VQSHL_N(, int, s, 32, 2, 1);
    116   TEST_VQSHL_N(, int, s, 64, 1, 2);
    117   TEST_VQSHL_N(, uint, u, 8, 8, 3);
    118   TEST_VQSHL_N(, uint, u, 16, 4, 2);
    119   TEST_VQSHL_N(, uint, u, 32, 2, 3);
    120   TEST_VQSHL_N(, uint, u, 64, 1, 3);
    121 
    122   TEST_VQSHL_N(q, int, s, 8, 16, 2);
    123   TEST_VQSHL_N(q, int, s, 16, 8, 1);
    124   TEST_VQSHL_N(q, int, s, 32, 4, 1);
    125   TEST_VQSHL_N(q, int, s, 64, 2, 2);
    126   TEST_VQSHL_N(q, uint, u, 8, 16, 3);
    127   TEST_VQSHL_N(q, uint, u, 16, 8, 2);
    128   TEST_VQSHL_N(q, uint, u, 32, 4, 3);
    129   TEST_VQSHL_N(q, uint, u, 64, 2, 3);
    130 
    131   dump_results_hex2 (TEST_MSG, " (check saturation with large positive input)");
    132 }
    133