Viewing file:  vqdmulh_n.c (3.33 KB) -rw-r--r--
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#include <arm_neon.h>
#include "arm-neon-ref.h"
#include "compute-ref-data.h"
/* Expected results. */
VECT_VAR_DECL(expected,int,16,4) [] = { 0x19, 0x19, 0x19, 0x19 };
VECT_VAR_DECL(expected,int,32,2) [] = { 0x4, 0x4 };
VECT_VAR_DECL(expected,int,16,8) [] = { 0x10, 0x10, 0x10, 0x10,
0x10, 0x10, 0x10, 0x10 };
VECT_VAR_DECL(expected,int,32,4) [] = { 0xa, 0xa, 0xa, 0xa };
/* Expected results when saturation occurs. */
VECT_VAR_DECL(expected2,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
VECT_VAR_DECL(expected2,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
VECT_VAR_DECL(expected2,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
0x7fff, 0x7fff, 0x7fff, 0x7fff };
VECT_VAR_DECL(expected2,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
0x7fffffff, 0x7fffffff };
#define INSN_NAME vqdmulh
#define TEST_MSG "VQDMULH_N"
#define FNNAME1(NAME) exec_ ## NAME ## _n
#define FNNAME(NAME) FNNAME1(NAME)
void FNNAME (INSN_NAME) (void)
{
int i;
/* vector_res = vqdmulh_n(vector,val), then store the result. */
#define TEST_VQDMULH_N2(INSN, Q, T1, T2, W, N, L, CMT) \
Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N)); \
VECT_VAR(vector_res, T1, W, N) = \
INSN##Q##_n_##T2##W(VECT_VAR(vector, T1, W, N), \
L); \
vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N), \
VECT_VAR(vector_res, T1, W, N))
/* Two auxliary macros are necessary to expand INSN. */
#define TEST_VQDMULH_N1(INSN, Q, T1, T2, W, N, L, CMT) \
TEST_VQDMULH_N2(INSN, Q, T1, T2, W, N, L, CMT)
#define TEST_VQDMULH_N(Q, T1, T2, W, N, L, CMT) \
TEST_VQDMULH_N1(INSN_NAME, Q, T1, T2, W, N, L, CMT)
DECL_VARIABLE(vector, int, 16, 4);
DECL_VARIABLE(vector, int, 32, 2);
DECL_VARIABLE(vector, int, 16, 8);
DECL_VARIABLE(vector, int, 32, 4);
DECL_VARIABLE(vector_res, int, 16, 4);
DECL_VARIABLE(vector_res, int, 32, 2);
DECL_VARIABLE(vector_res, int, 16, 8);
DECL_VARIABLE(vector_res, int, 32, 4);
clean_results ();
/* Initialize vector. */
VDUP(vector, , int, s, 16, 4, 0x1000);
VDUP(vector, , int, s, 32, 2, 0x100023);
VDUP(vector, q, int, s, 16, 8, 0x1000);
VDUP(vector, q, int, s, 32, 4, 0x100045);
/* Choose multiplier arbitrarily. */
TEST_VQDMULH_N(, int, s, 16, 4, 0xCF, "");
TEST_VQDMULH_N(, int, s, 32, 2, 0x2344, "");
TEST_VQDMULH_N(q, int, s, 16, 8, 0x80, "");
TEST_VQDMULH_N(q, int, s, 32, 4, 0x5422, "");
CHECK (TEST_MSG, int, 16, 4, PRIx16, expected, "");
CHECK (TEST_MSG, int, 32, 2, PRIx32, expected, "");
CHECK (TEST_MSG, int, 16, 8, PRIx16, expected, "");
CHECK (TEST_MSG, int, 32, 4, PRIx32, expected, "");
/* Choose input values to trigger saturation. */
VDUP(vector, , int, s, 16, 4, 0x8000);
VDUP(vector, , int, s, 32, 2, 0x80000000);
VDUP(vector, q, int, s, 16, 8, 0x8000);
VDUP(vector, q, int, s, 32, 4, 0x80000000);
#define TEST_MSG2 " (check mul cumulative saturation)"
TEST_VQDMULH_N(, int, s, 16, 4, 0x8000, TEST_MSG2);
TEST_VQDMULH_N(, int, s, 32, 2, 0x80000000, TEST_MSG2);
TEST_VQDMULH_N(q, int, s, 16, 8, 0x8000, TEST_MSG2);
TEST_VQDMULH_N(q, int, s, 32, 4, 0x80000000, TEST_MSG2);
CHECK (TEST_MSG, int, 16, 4, PRIx16, expected2, TEST_MSG2);
CHECK (TEST_MSG, int, 32, 2, PRIx32, expected2, TEST_MSG2);
CHECK (TEST_MSG, int, 16, 8, PRIx16, expected2, TEST_MSG2);
CHECK (TEST_MSG, int, 32, 4, PRIx32, expected2, TEST_MSG2);
}
int main (void)
{
FNNAME (INSN_NAME) ();
return 0;
}
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