Viewing file:  vqdmulh_lane.c (3.88 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) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
VECT_VAR_DECL(expected,int,32,2) [] = { 0xffffffff, 0xffffffff };
VECT_VAR_DECL(expected,int,16,8) [] = { 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff };
VECT_VAR_DECL(expected,int,32,4) [] = { 0xffffffff, 0xffffffff,
0xffffffff, 0xffffffff };
/* 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_LANE"
#define FNNAME1(NAME) exec_ ## NAME ## _lane
#define FNNAME(NAME) FNNAME1(NAME)
void FNNAME (INSN_NAME) (void)
{
/* vector_res = vqdmulh_lane(vector,vector2,lane), then store the result. */
#define TEST_VQDMULH_LANE2(INSN, Q, T1, T2, W, N, N2, L, CMT) \
Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N)); \
VECT_VAR(vector_res, T1, W, N) = \
INSN##Q##_lane_##T2##W(VECT_VAR(vector, T1, W, N), \
VECT_VAR(vector2, T1, W, N2), \
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_LANE1(INSN, Q, T1, T2, W, N, N2, L, CMT) \
TEST_VQDMULH_LANE2(INSN, Q, T1, T2, W, N, N2, L, CMT)
#define TEST_VQDMULH_LANE(Q, T1, T2, W, N, N2, L, CMT) \
TEST_VQDMULH_LANE1(INSN_NAME, Q, T1, T2, W, N, N2, 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);
/* vector2: vqdmulh_lane and vqdmulhq_lane have a 2nd argument with
the same number of elements, so we need only one variable of each
type. */
DECL_VARIABLE(vector2, int, 16, 4);
DECL_VARIABLE(vector2, int, 32, 2);
clean_results ();
VLOAD(vector, buffer, , int, s, 16, 4);
VLOAD(vector, buffer, , int, s, 32, 2);
VLOAD(vector, buffer, q, int, s, 16, 8);
VLOAD(vector, buffer, q, int, s, 32, 4);
/* Initialize vector2. */
VDUP(vector2, , int, s, 16, 4, 0x55);
VDUP(vector2, , int, s, 32, 2, 0xBB);
/* Choose lane arbitrarily. */
TEST_VQDMULH_LANE(, int, s, 16, 4, 4, 2, "");
TEST_VQDMULH_LANE(, int, s, 32, 2, 2, 1, "");
TEST_VQDMULH_LANE(q, int, s, 16, 8, 4, 3, "");
TEST_VQDMULH_LANE(q, int, s, 32, 4, 2, 0, "");
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);
VDUP(vector2, , int, s, 16, 4, 0x8000);
VDUP(vector2, , int, s, 32, 2, 0x80000000);
#define TEST_MSG2 " (check mul cumulative saturation)"
TEST_VQDMULH_LANE(, int, s, 16, 4, 4, 3, TEST_MSG2);
TEST_VQDMULH_LANE(, int, s, 32, 2, 2, 1, TEST_MSG2);
TEST_VQDMULH_LANE(q, int, s, 16, 8, 4, 2, TEST_MSG2);
TEST_VQDMULH_LANE(q, int, s, 32, 4, 2, 1, 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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