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view gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqshrun_n.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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#include <arm_neon.h> #include "arm-neon-ref.h" #include "compute-ref-data.h" /* Expected values of cumulative_saturation flag with negative input. */ int VECT_VAR(expected_cumulative_sat_neg,int,16,8) = 1; int VECT_VAR(expected_cumulative_sat_neg,int,32,4) = 1; int VECT_VAR(expected_cumulative_sat_neg,int,64,2) = 1; /* Expected results with negative input. */ VECT_VAR_DECL(expected_neg,uint,8,8) [] = { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }; VECT_VAR_DECL(expected_neg,uint,16,4) [] = { 0x0, 0x0, 0x0, 0x0 }; VECT_VAR_DECL(expected_neg,uint,32,2) [] = { 0x0, 0x0 }; /* Expected values of cumulative_saturation flag with max input value shifted by 1. */ int VECT_VAR(expected_cumulative_sat_max_sh1,int,16,8) = 1; int VECT_VAR(expected_cumulative_sat_max_sh1,int,32,4) = 1; int VECT_VAR(expected_cumulative_sat_max_sh1,int,64,2) = 1; /* Expected results with max input value shifted by 1. */ VECT_VAR_DECL(expected_max_sh1,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; VECT_VAR_DECL(expected_max_sh1,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff }; VECT_VAR_DECL(expected_max_sh1,uint,32,2) [] = { 0xffffffff, 0xffffffff }; VECT_VAR_DECL(expected_max_sh1,uint,64,1) [] = { 0x3333333333333333 }; /* Expected values of cumulative_saturation flag. */ int VECT_VAR(expected_cumulative_sat,int,16,8) = 0; int VECT_VAR(expected_cumulative_sat,int,32,4) = 1; int VECT_VAR(expected_cumulative_sat,int,64,2) = 0; /* Expected results. */ VECT_VAR_DECL(expected,uint,8,8) [] = { 0x48, 0x48, 0x48, 0x48, 0x48, 0x48, 0x48, 0x48 }; VECT_VAR_DECL(expected,uint,16,4) [] = { 0x0, 0x0, 0x0, 0x0 }; VECT_VAR_DECL(expected,uint,32,2) [] = { 0xdeadbe, 0xdeadbe }; #define INSN vqshrun_n #define TEST_MSG "VQSHRUN_N" #define FNNAME1(NAME) void exec_ ## NAME (void) #define FNNAME(NAME) FNNAME1(NAME) FNNAME (INSN) { /* Basic test: y=vqshrun_n(x,v), then store the result. */ #define TEST_VQSHRUN_N2(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \ Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, uint, W2, N)); \ VECT_VAR(vector_res, uint, W2, N) = \ INSN##_##T2##W(VECT_VAR(vector, T1, W, N), \ V); \ vst1_u##W2(VECT_VAR(result, uint, W2, N), \ VECT_VAR(vector_res, uint, W2, N)); \ CHECK_CUMULATIVE_SAT(TEST_MSG, T1, W, N, EXPECTED_CUMULATIVE_SAT, CMT) /* Two auxliary macros are necessary to expand INSN */ #define TEST_VQSHRUN_N1(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \ TEST_VQSHRUN_N2(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) #define TEST_VQSHRUN_N(T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \ TEST_VQSHRUN_N1(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) /* vector is twice as large as vector_res. */ DECL_VARIABLE(vector, int, 16, 8); DECL_VARIABLE(vector, int, 32, 4); DECL_VARIABLE(vector, int, 64, 2); DECL_VARIABLE(vector_res, uint, 8, 8); DECL_VARIABLE(vector_res, uint, 16, 4); DECL_VARIABLE(vector_res, uint, 32, 2); clean_results (); /* Fill input vector with negative values, to check saturation on limits. */ VDUP(vector, q, int, s, 16, 8, -2); VDUP(vector, q, int, s, 32, 4, -3); VDUP(vector, q, int, s, 64, 2, -4); /* Choose shift amount arbitrarily. */ #define CMT " (negative input)" TEST_VQSHRUN_N(int, s, 16, 8, 8, 3, expected_cumulative_sat_neg, CMT); TEST_VQSHRUN_N(int, s, 32, 16, 4, 4, expected_cumulative_sat_neg, CMT); TEST_VQSHRUN_N(int, s, 64, 32, 2, 2, expected_cumulative_sat_neg, CMT); CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_neg, CMT); CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_neg, CMT); CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_neg, CMT); /* Fill input vector with max value, to check saturation on limits. */ VDUP(vector, q, int, s, 16, 8, 0x7FFF); VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF); VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFLL); #undef CMT #define CMT " (check cumulative saturation)" TEST_VQSHRUN_N(int, s, 16, 8, 8, 1, expected_cumulative_sat_max_sh1, CMT); TEST_VQSHRUN_N(int, s, 32, 16, 4, 1, expected_cumulative_sat_max_sh1, CMT); TEST_VQSHRUN_N(int, s, 64, 32, 2, 1, expected_cumulative_sat_max_sh1, CMT); CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_max_sh1, CMT); CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_max_sh1, CMT); CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_max_sh1, CMT); /* Fill input vector with positive values, to check normal case. */ VDUP(vector, q, int, s, 16, 8, 0x1234); VDUP(vector, q, int, s, 32, 4, 0x87654321); VDUP(vector, q, int, s, 64, 2, 0xDEADBEEF); #undef CMT #define CMT "" TEST_VQSHRUN_N(int, s, 16, 8, 8, 6, expected_cumulative_sat, CMT); TEST_VQSHRUN_N(int, s, 32, 16, 4, 7, expected_cumulative_sat, CMT); TEST_VQSHRUN_N(int, s, 64, 32, 2, 8, expected_cumulative_sat, CMT); CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected, CMT); CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected, CMT); CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected, CMT); } int main (void) { exec_vqshrun_n (); return 0; }