Viewing file:  vqrdmulh.c (5.22 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) [] = { 0xfff5, 0xfff6, 0xfff7, 0xfff7 };
VECT_VAR_DECL(expected,int,32,2) [] = { 0x0, 0x0 };
VECT_VAR_DECL(expected,int,16,8) [] = { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
VECT_VAR_DECL(expected,int,32,4) [] = { 0x0, 0x0, 0x0, 0x0 };
/* Expected results when multiplication saturates. */
VECT_VAR_DECL(expected_mul,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
VECT_VAR_DECL(expected_mul,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
VECT_VAR_DECL(expected_mul,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
0x7fff, 0x7fff, 0x7fff, 0x7fff };
VECT_VAR_DECL(expected_mul,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
0x7fffffff, 0x7fffffff };
/* Expected results when rounding should not cause saturation. */
VECT_VAR_DECL(expected_round,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
VECT_VAR_DECL(expected_round,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
VECT_VAR_DECL(expected_round,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
0x7fff, 0x7fff, 0x7fff, 0x7fff };
VECT_VAR_DECL(expected_round,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
0x7fffffff, 0x7fffffff };
#define INSN vqrdmulh
#define TEST_MSG "VQRDMULH"
#define FNNAME1(NAME) void exec_ ## NAME (void)
#define FNNAME(NAME) FNNAME1(NAME)
FNNAME (INSN)
{
/* vector_res = vqrdmulh(vector,vector2), then store the result. */
#define TEST_VQRDMULH2(INSN, Q, T1, T2, W, N, CMT) \
Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N)); \
VECT_VAR(vector_res, T1, W, N) = \
INSN##Q##_##T2##W(VECT_VAR(vector, T1, W, N), \
VECT_VAR(vector2, T1, W, N)); \
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_VQRDMULH1(INSN, Q, T1, T2, W, N, CMT) \
TEST_VQRDMULH2(INSN, Q, T1, T2, W, N, CMT)
#define TEST_VQRDMULH(Q, T1, T2, W, N, CMT) \
TEST_VQRDMULH1(INSN, Q, T1, T2, W, N, 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);
DECL_VARIABLE(vector2, int, 16, 4);
DECL_VARIABLE(vector2, int, 32, 2);
DECL_VARIABLE(vector2, int, 16, 8);
DECL_VARIABLE(vector2, int, 32, 4);
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, 0x5555);
VDUP(vector2, , int, s, 32, 2, 0xBB);
VDUP(vector2, q, int, s, 16, 8, 0x33);
VDUP(vector2, q, int, s, 32, 4, 0x22);
#define CMT ""
TEST_VQRDMULH(, int, s, 16, 4, CMT);
TEST_VQRDMULH(, int, s, 32, 2, CMT);
TEST_VQRDMULH(q, int, s, 16, 8, CMT);
TEST_VQRDMULH(q, int, s, 32, 4, CMT);
CHECK(TEST_MSG, int, 16, 4, PRIx16, expected, CMT);
CHECK(TEST_MSG, int, 32, 2, PRIx32, expected, CMT);
CHECK(TEST_MSG, int, 16, 8, PRIx16, expected, CMT);
CHECK(TEST_MSG, int, 32, 4, PRIx32, expected, CMT);
/* Now use input values such that the multiplication causes
saturation. */
#define TEST_MSG_MUL " (check mul cumulative 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);
VDUP(vector2, q, int, s, 16, 8, 0x8000);
VDUP(vector2, q, int, s, 32, 4, 0x80000000);
TEST_VQRDMULH(, int, s, 16, 4, TEST_MSG_MUL);
TEST_VQRDMULH(, int, s, 32, 2, TEST_MSG_MUL);
TEST_VQRDMULH(q, int, s, 16, 8, TEST_MSG_MUL);
TEST_VQRDMULH(q, int, s, 32, 4, TEST_MSG_MUL);
CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_mul, TEST_MSG_MUL);
CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_mul, TEST_MSG_MUL);
CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_mul, TEST_MSG_MUL);
CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_mul, TEST_MSG_MUL);
/* Use input values where rounding produces a result equal to the
saturation value, but does not set the saturation flag. */
#define TEST_MSG_ROUND " (check rounding)"
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, 0x8001);
VDUP(vector2, , int, s, 32, 2, 0x80000001);
VDUP(vector2, q, int, s, 16, 8, 0x8001);
VDUP(vector2, q, int, s, 32, 4, 0x80000001);
TEST_VQRDMULH(, int, s, 16, 4, TEST_MSG_ROUND);
TEST_VQRDMULH(, int, s, 32, 2, TEST_MSG_ROUND);
TEST_VQRDMULH(q, int, s, 16, 8, TEST_MSG_ROUND);
TEST_VQRDMULH(q, int, s, 32, 4, TEST_MSG_ROUND);
CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_round, TEST_MSG_ROUND);
CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_round, TEST_MSG_ROUND);
CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_round, TEST_MSG_ROUND);
CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_round, TEST_MSG_ROUND);
}
int main (void)
{
exec_vqrdmulh ();
return 0;
}
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