vqrdmulh_n.c: New file.
2015-05-19 Christophe Lyon <christophe.lyon@linaro.org> * gcc.target/aarch64/advsimd-intrinsics/vqrdmulh_n.c: New file. From-SVN: r223376
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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/vqrdmulh_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/vqrdmulh_lane.c: New file.
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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,16,4) = 0;
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int VECT_VAR(expected_cumulative_sat,int,32,2) = 0;
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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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/* Expected results. */
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VECT_VAR_DECL(expected,int,16,4) [] = { 0xfffc, 0xfffc, 0xfffc, 0xfffd };
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VECT_VAR_DECL(expected,int,32,2) [] = { 0xfffffffe, 0xfffffffe };
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VECT_VAR_DECL(expected,int,16,8) [] = { 0x6, 0x6, 0x6, 0x5,
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0x5, 0x4, 0x4, 0x4 };
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VECT_VAR_DECL(expected,int,32,4) [] = { 0xfffffffe, 0xfffffffe,
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0xfffffffe, 0xfffffffe };
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/* Expected values of cumulative_saturation flag when multiplication
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saturates. */
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int VECT_VAR(expected_cumulative_sat_mul,int,16,4) = 1;
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int VECT_VAR(expected_cumulative_sat_mul,int,32,2) = 1;
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int VECT_VAR(expected_cumulative_sat_mul,int,16,8) = 1;
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int VECT_VAR(expected_cumulative_sat_mul,int,32,4) = 1;
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/* Expected results when multiplication saturates. */
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VECT_VAR_DECL(expected_mul,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
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VECT_VAR_DECL(expected_mul,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
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VECT_VAR_DECL(expected_mul,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
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0x7fff, 0x7fff, 0x7fff, 0x7fff };
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VECT_VAR_DECL(expected_mul,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
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0x7fffffff, 0x7fffffff };
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/* Expected values of cumulative_saturation flag when rounding
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should not cause saturation. */
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int VECT_VAR(expected_cumulative_sat_round,int,16,4) = 0;
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int VECT_VAR(expected_cumulative_sat_round,int,32,2) = 0;
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int VECT_VAR(expected_cumulative_sat_round,int,16,8) = 0;
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int VECT_VAR(expected_cumulative_sat_round,int,32,4) = 0;
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/* Expected results when rounding should not cause saturation. */
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VECT_VAR_DECL(expected_round,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
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VECT_VAR_DECL(expected_round,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
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VECT_VAR_DECL(expected_round,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
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0x7fff, 0x7fff, 0x7fff, 0x7fff };
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VECT_VAR_DECL(expected_round,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
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0x7fffffff, 0x7fffffff };
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#define INSN vqrdmulh
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#define TEST_MSG "VQRDMULH_N"
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#define FNNAME1(NAME) void exec_ ## NAME ## _n (void)
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#define FNNAME(NAME) FNNAME1(NAME)
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FNNAME (INSN)
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{
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int i;
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/* vector_res = vqrdmulh_n(vector,val), then store the result. */
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#define TEST_VQRDMULH_N2(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT) \
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Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N)); \
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VECT_VAR(vector_res, T1, W, N) = \
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INSN##Q##_n_##T2##W(VECT_VAR(vector, T1, W, N), \
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L); \
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vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N), \
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VECT_VAR(vector_res, T1, W, 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_VQRDMULH_N1(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT) \
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TEST_VQRDMULH_N2(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT)
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#define TEST_VQRDMULH_N(Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT) \
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TEST_VQRDMULH_N1(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT)
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DECL_VARIABLE(vector, int, 16, 4);
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DECL_VARIABLE(vector, int, 32, 2);
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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_res, int, 16, 4);
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DECL_VARIABLE(vector_res, int, 32, 2);
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DECL_VARIABLE(vector_res, int, 16, 8);
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DECL_VARIABLE(vector_res, int, 32, 4);
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clean_results ();
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VLOAD(vector, buffer, , int, s, 16, 4);
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VLOAD(vector, buffer, , int, s, 32, 2);
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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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/* Choose multiplier arbitrarily. */
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#define CMT ""
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TEST_VQRDMULH_N(, int, s, 16, 4, 0x2233, expected_cumulative_sat, CMT);
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TEST_VQRDMULH_N(, int, s, 32, 2, 0x12345678, expected_cumulative_sat, CMT);
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TEST_VQRDMULH_N(q, int, s, 16, 8, 0xCD12, expected_cumulative_sat, CMT);
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TEST_VQRDMULH_N(q, int, s, 32, 4, 0xFA23456, expected_cumulative_sat, 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, int, 16, 8, PRIx16, expected, CMT);
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CHECK(TEST_MSG, int, 32, 4, PRIx32, expected, CMT);
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/* Now use input values such that the multiplication causes
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saturation. */
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#define TEST_MSG_MUL " (check mul cumulative saturation)"
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VDUP(vector, , int, s, 16, 4, 0x8000);
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VDUP(vector, , int, s, 32, 2, 0x80000000);
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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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TEST_VQRDMULH_N(, int, s, 16, 4, 0x8000, expected_cumulative_sat_mul,
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TEST_MSG_MUL);
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TEST_VQRDMULH_N(, int, s, 32, 2, 0x80000000, expected_cumulative_sat_mul,
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TEST_MSG_MUL);
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TEST_VQRDMULH_N(q, int, s, 16, 8, 0x8000, expected_cumulative_sat_mul,
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TEST_MSG_MUL);
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TEST_VQRDMULH_N(q, int, s, 32, 4, 0x80000000, expected_cumulative_sat_mul,
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TEST_MSG_MUL);
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CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_mul, TEST_MSG_MUL);
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CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_mul, TEST_MSG_MUL);
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CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_mul, TEST_MSG_MUL);
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CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_mul, TEST_MSG_MUL);
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/* Use input values where rounding produces a result equal to the
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saturation value, but does not set the saturation flag. */
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#define TEST_MSG_ROUND " (check rounding)"
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VDUP(vector, , int, s, 16, 4, 0x8000);
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VDUP(vector, , int, s, 32, 2, 0x80000000);
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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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TEST_VQRDMULH_N(, int, s, 16, 4, 0x8001, expected_cumulative_sat_round,
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TEST_MSG_ROUND);
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TEST_VQRDMULH_N(, int, s, 32, 2, 0x80000001, expected_cumulative_sat_round,
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TEST_MSG_ROUND);
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TEST_VQRDMULH_N(q, int, s, 16, 8, 0x8001, expected_cumulative_sat_round,
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TEST_MSG_ROUND);
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TEST_VQRDMULH_N(q, int, s, 32, 4, 0x80000001, expected_cumulative_sat_round,
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TEST_MSG_ROUND);
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CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_round, TEST_MSG_ROUND);
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CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_round, TEST_MSG_ROUND);
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CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_round, TEST_MSG_ROUND);
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CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_round, TEST_MSG_ROUND);
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}
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int main (void)
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{
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exec_vqrdmulh_n ();
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return 0;
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}
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