143 lines
5.0 KiB
C
143 lines
5.0 KiB
C
/*
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Copyright (c) 2009, 2010, 2011 STMicroelectronics
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Written by Christophe Lyon
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#if defined(__arm__) || defined(__aarch64__)
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#include <arm_neon.h>
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#else
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#include "stm-arm-neon.h"
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#endif
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#include "stm-arm-neon-ref.h"
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#define INSN vqrshrun_n
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#define TEST_MSG "VQRSHRUN_N"
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#define FNNAME1(NAME) void exec_ ## NAME (void)
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#define FNNAME(NAME) FNNAME1(NAME)
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FNNAME (INSN)
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{
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/* Basic test: y=vqrshrun_n(x,v), then store the result. */
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#define TEST_VQRSHRUN_N2(INSN, T1, T2, W, W2, N, V) \
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Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, uint, W2, N)); \
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VECT_VAR(vector_res, uint, W2, N) = \
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INSN##_##T2##W(VECT_VAR(vector, T1, W, N), \
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V); \
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vst1_u##W2(VECT_VAR(result, uint, W2, N), \
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VECT_VAR(vector_res, uint, W2, N)); \
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dump_neon_cumulative_sat(TEST_MSG, xSTR(INSN##_##T2##W), \
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xSTR(T1), W, N)
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/* Two auxliary macros are necessary to expand INSN */
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#define TEST_VQRSHRUN_N1(INSN, T1, T2, W, W2, N, V) \
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TEST_VQRSHRUN_N2(INSN, T1, T2, W, W2, N, V)
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#define TEST_VQRSHRUN_N(T1, T2, W, W2, N, V) \
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TEST_VQRSHRUN_N1(INSN, T1, T2, W, W2, N, V)
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/* With ARM RVCT, we need to declare variables before any executable
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statement */
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/* vector is twice as large as vector_res */
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DECL_VARIABLE(vector, int, 16, 8);
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DECL_VARIABLE(vector, int, 32, 4);
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DECL_VARIABLE(vector, int, 64, 2);
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DECL_VARIABLE(vector_res, uint, 8, 8);
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DECL_VARIABLE(vector_res, uint, 16, 4);
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DECL_VARIABLE(vector_res, uint, 32, 2);
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clean_results ();
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/* Fill input vector with negative values, to check saturation on limits */
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VDUP(vector, q, int, s, 16, 8, -2);
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VDUP(vector, q, int, s, 32, 4, -3);
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VDUP(vector, q, int, s, 64, 2, -4);
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/* Choose shift amount arbitrarily */
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fprintf(ref_file, "\n%s cumulative saturation output:\n",
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TEST_MSG " (negative input)");
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TEST_VQRSHRUN_N(int, s, 16, 8, 8, 3);
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TEST_VQRSHRUN_N(int, s, 32, 16, 4, 4);
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TEST_VQRSHRUN_N(int, s, 64, 32, 2, 2);
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/* FIXME: only a few result buffers are used, but we output all of them */
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dump_results_hex2 (TEST_MSG, " (negative input)");
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/* Fill input vector with max value, to check saturation on limits */
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VDUP(vector, q, int, s, 16, 8, 0x7FFF);
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VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF);
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VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFLL);
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/* shift by 1 */
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fprintf(ref_file, "\n%s cumulative saturation output:\n",
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TEST_MSG " (check cumulative saturation: shift by 1)");
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TEST_VQRSHRUN_N(int, s, 16, 8, 8, 1);
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TEST_VQRSHRUN_N(int, s, 32, 16, 4, 1);
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TEST_VQRSHRUN_N(int, s, 64, 32, 2, 1);
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dump_results_hex2 (TEST_MSG, " (check cumulative saturation: shift by 1)");
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/* shift by max */
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fprintf(ref_file, "\n%s cumulative saturation output:\n",
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TEST_MSG " (check cumulative saturation: shift by max, positive input)");
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TEST_VQRSHRUN_N(int, s, 16, 8, 8, 8);
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TEST_VQRSHRUN_N(int, s, 32, 16, 4, 16);
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TEST_VQRSHRUN_N(int, s, 64, 32, 2, 32);
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dump_results_hex2 (TEST_MSG,
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" (check cumulative saturation: shift by max, positive input)");
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/* Fill input vector with min value, to check saturation on limits */
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VDUP(vector, q, int, s, 16, 8, 0x8000);
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VDUP(vector, q, int, s, 32, 4, 0x80000000);
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VDUP(vector, q, int, s, 64, 2, 0x8000000000000000LL);
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/* shift by max */
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fprintf(ref_file, "\n%s cumulative saturation output:\n",
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TEST_MSG " (check cumulative saturation: shift by max, negative input)");
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TEST_VQRSHRUN_N(int, s, 16, 8, 8, 8);
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TEST_VQRSHRUN_N(int, s, 32, 16, 4, 16);
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TEST_VQRSHRUN_N(int, s, 64, 32, 2, 32);
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dump_results_hex2 (TEST_MSG,
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" (check cumulative saturation: shift by max, negative input)");
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/* Fill input vector with positive values, to check normal case */
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VDUP(vector, q, int, s, 16, 8, 0x1234);
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VDUP(vector, q, int, s, 32, 4, 0x87654321);
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VDUP(vector, q, int, s, 64, 2, 0xDEADBEEF);
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/* shift arbitrary amount */
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fprintf(ref_file, "\n%s cumulative saturation output:\n", TEST_MSG);
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TEST_VQRSHRUN_N(int, s, 16, 8, 8, 6);
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TEST_VQRSHRUN_N(int, s, 32, 16, 4, 7);
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TEST_VQRSHRUN_N(int, s, 64, 32, 2, 8);
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dump_results_hex (TEST_MSG);
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}
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