vqshrn_n.c: New file.
2015-05-19 Christophe Lyon <christophe.lyon@linaro.org> * gcc.target/aarch64/advsimd-intrinsics/vqshrn_n.c: New file. From-SVN: r223385
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Christophe Lyon
Christophe Lyon
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2015-05-19 Christophe Lyon <christophe.lyon@linaro.org>
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* gcc.target/aarch64/advsimd-intrinsics/vqshrn_n.c: New file.
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2015-05-19 Christophe Lyon <christophe.lyon@linaro.org>
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* gcc.target/aarch64/advsimd-intrinsics/vqshlu_n.c: New file.
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177
gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqshrn_n.c
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177
gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqshrn_n.c
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#include <arm_neon.h>
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#include "arm-neon-ref.h"
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#include "compute-ref-data.h"
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/* Expected values of cumulative_saturation flag. */
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int VECT_VAR(expected_cumulative_sat,int,16,8) = 0;
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int VECT_VAR(expected_cumulative_sat,int,32,4) = 0;
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int VECT_VAR(expected_cumulative_sat,int,64,2) = 0;
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int VECT_VAR(expected_cumulative_sat,uint,16,8) = 1;
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int VECT_VAR(expected_cumulative_sat,uint,32,4) = 1;
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int VECT_VAR(expected_cumulative_sat,uint,64,2) = 1;
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/* Expected results. */
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VECT_VAR_DECL(expected,int,8,8) [] = { 0xf8, 0xf8, 0xf9, 0xf9,
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0xfa, 0xfa, 0xfb, 0xfb };
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VECT_VAR_DECL(expected,int,16,4) [] = { 0xfff8, 0xfff8, 0xfff9, 0xfff9 };
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VECT_VAR_DECL(expected,int,32,2) [] = { 0xfffffffc, 0xfffffffc };
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VECT_VAR_DECL(expected,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff };
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VECT_VAR_DECL(expected,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
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VECT_VAR_DECL(expected,uint,32,2) [] = { 0xffffffff, 0xffffffff };
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/* Expected values of cumulative_saturation flag with max input value
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shifted by 3. */
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int VECT_VAR(expected_cumulative_sat_max_sh3,int,16,8) = 1;
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int VECT_VAR(expected_cumulative_sat_max_sh3,int,32,4) = 1;
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int VECT_VAR(expected_cumulative_sat_max_sh3,int,64,2) = 1;
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int VECT_VAR(expected_cumulative_sat_max_sh3,uint,16,8) = 1;
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int VECT_VAR(expected_cumulative_sat_max_sh3,uint,32,4) = 1;
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int VECT_VAR(expected_cumulative_sat_max_sh3,uint,64,2) = 1;
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/* Expected results with max input value shifted by 3. */
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VECT_VAR_DECL(expected_max_sh3,int,8,8) [] = { 0x7f, 0x7f, 0x7f, 0x7f,
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0x7f, 0x7f, 0x7f, 0x7f };
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VECT_VAR_DECL(expected_max_sh3,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
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VECT_VAR_DECL(expected_max_sh3,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
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VECT_VAR_DECL(expected_max_sh3,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff };
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VECT_VAR_DECL(expected_max_sh3,uint,16,4) [] = { 0xffff, 0xffff,
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0xffff, 0xffff };
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VECT_VAR_DECL(expected_max_sh3,uint,32,2) [] = { 0xffffffff, 0xffffffff };
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/* Expected values of cumulative_saturation flag with max input value
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shifted by type size. */
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int VECT_VAR(expected_cumulative_sat_max_shmax,int,16,8) = 0;
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int VECT_VAR(expected_cumulative_sat_max_shmax,int,32,4) = 0;
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int VECT_VAR(expected_cumulative_sat_max_shmax,int,64,2) = 0;
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int VECT_VAR(expected_cumulative_sat_max_shmax,uint,16,8) = 0;
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int VECT_VAR(expected_cumulative_sat_max_shmax,uint,32,4) = 0;
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int VECT_VAR(expected_cumulative_sat_max_shmax,uint,64,2) = 0;
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/* Expected results with max input value shifted by type size. */
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VECT_VAR_DECL(expected_max_shmax,int,8,8) [] = { 0x7f, 0x7f, 0x7f, 0x7f,
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0x7f, 0x7f, 0x7f, 0x7f };
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VECT_VAR_DECL(expected_max_shmax,int,16,4) [] = { 0x7fff, 0x7fff,
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0x7fff, 0x7fff };
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VECT_VAR_DECL(expected_max_shmax,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
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VECT_VAR_DECL(expected_max_shmax,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff };
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VECT_VAR_DECL(expected_max_shmax,uint,16,4) [] = { 0xffff, 0xffff,
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0xffff, 0xffff };
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VECT_VAR_DECL(expected_max_shmax,uint,32,2) [] = { 0xffffffff, 0xffffffff };
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#define INSN vqshrn_n
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#define TEST_MSG "VQSHRN_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=vqshrn_n(x,v), then store the result. */
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#define TEST_VQSHRN_N2(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \
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Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W2, N)); \
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VECT_VAR(vector_res, T1, 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_##T2##W2(VECT_VAR(result, T1, W2, N), \
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VECT_VAR(vector_res, T1, W2, N)); \
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CHECK_CUMULATIVE_SAT(TEST_MSG, T1, W, N, EXPECTED_CUMULATIVE_SAT, CMT)
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/* Two auxliary macros are necessary to expand INSN */
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#define TEST_VQSHRN_N1(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \
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TEST_VQSHRN_N2(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT)
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#define TEST_VQSHRN_N(T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \
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TEST_VQSHRN_N1(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT)
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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, uint, 16, 8);
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DECL_VARIABLE(vector, uint, 32, 4);
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DECL_VARIABLE(vector, uint, 64, 2);
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DECL_VARIABLE(vector_res, int, 8, 8);
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DECL_VARIABLE(vector_res, int, 16, 4);
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DECL_VARIABLE(vector_res, int, 32, 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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VLOAD(vector, buffer, q, int, s, 16, 8);
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VLOAD(vector, buffer, q, int, s, 32, 4);
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VLOAD(vector, buffer, q, int, s, 64, 2);
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VLOAD(vector, buffer, q, uint, u, 16, 8);
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VLOAD(vector, buffer, q, uint, u, 32, 4);
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VLOAD(vector, buffer, q, uint, u, 64, 2);
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/* Choose shift amount arbitrarily. */
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#define CMT ""
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TEST_VQSHRN_N(int, s, 16, 8, 8, 1, expected_cumulative_sat, CMT);
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TEST_VQSHRN_N(int, s, 32, 16, 4, 1, expected_cumulative_sat, CMT);
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TEST_VQSHRN_N(int, s, 64, 32, 2, 2, expected_cumulative_sat, CMT);
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TEST_VQSHRN_N(uint, u, 16, 8, 8, 2, expected_cumulative_sat, CMT);
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TEST_VQSHRN_N(uint, u, 32, 16, 4, 3, expected_cumulative_sat, CMT);
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TEST_VQSHRN_N(uint, u, 64, 32, 2, 3, expected_cumulative_sat, CMT);
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CHECK(TEST_MSG, int, 8, 8, PRIx8, expected, CMT);
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CHECK(TEST_MSG, int, 16, 4, PRIx16, expected, CMT);
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CHECK(TEST_MSG, int, 32, 2, PRIx32, expected, CMT);
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CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected, CMT);
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CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected, CMT);
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CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected, CMT);
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/* Use max possible value as input. */
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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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VDUP(vector, q, uint, u, 16, 8, 0xFFFF);
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VDUP(vector, q, uint, u, 32, 4, 0xFFFFFFFF);
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VDUP(vector, q, uint, u, 64, 2, 0xFFFFFFFFFFFFFFFFULL);
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#undef CMT
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#define CMT " (check saturation: shift by 3)"
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TEST_VQSHRN_N(int, s, 16, 8, 8, 3, expected_cumulative_sat_max_sh3, CMT);
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TEST_VQSHRN_N(int, s, 32, 16, 4, 3, expected_cumulative_sat_max_sh3, CMT);
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TEST_VQSHRN_N(int, s, 64, 32, 2, 3, expected_cumulative_sat_max_sh3, CMT);
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TEST_VQSHRN_N(uint, u, 16, 8, 8, 3, expected_cumulative_sat_max_sh3, CMT);
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TEST_VQSHRN_N(uint, u, 32, 16, 4, 3, expected_cumulative_sat_max_sh3, CMT);
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TEST_VQSHRN_N(uint, u, 64, 32, 2, 3, expected_cumulative_sat_max_sh3, CMT);
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CHECK(TEST_MSG, int, 8, 8, PRIx8, expected_max_sh3, CMT);
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CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_max_sh3, CMT);
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CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_max_sh3, CMT);
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CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_max_sh3, CMT);
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CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_max_sh3, CMT);
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CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_max_sh3, CMT);
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#undef CMT
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#define CMT " (check saturation: shift by max)"
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TEST_VQSHRN_N(int, s, 16, 8, 8, 8, expected_cumulative_sat_max_shmax, CMT);
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TEST_VQSHRN_N(int, s, 32, 16, 4, 16, expected_cumulative_sat_max_shmax, CMT);
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TEST_VQSHRN_N(int, s, 64, 32, 2, 32, expected_cumulative_sat_max_shmax, CMT);
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TEST_VQSHRN_N(uint, u, 16, 8, 8, 8, expected_cumulative_sat_max_shmax, CMT);
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TEST_VQSHRN_N(uint, u, 32, 16, 4, 16, expected_cumulative_sat_max_shmax, CMT);
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TEST_VQSHRN_N(uint, u, 64, 32, 2, 32, expected_cumulative_sat_max_shmax, CMT);
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CHECK(TEST_MSG, int, 8, 8, PRIx8, expected_max_shmax, CMT);
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CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_max_shmax, CMT);
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CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_max_shmax, CMT);
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CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_max_shmax, CMT);
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CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_max_shmax, CMT);
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CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_max_shmax, CMT);
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}
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int main (void)
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{
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exec_vqshrn_n ();
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return 0;
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}
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