Viewing file:  vqshlu_n.c (8.92 KB) -rw-r--r--
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#include <arm_neon.h>
#include "arm-neon-ref.h"
#include "compute-ref-data.h"
/* 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 };
VECT_VAR_DECL(expected_neg,uint,64,1) [] = { 0x0 };
VECT_VAR_DECL(expected_neg,uint,8,16) [] = { 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0 };
VECT_VAR_DECL(expected_neg,uint,16,8) [] = { 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0 };
VECT_VAR_DECL(expected_neg,uint,32,4) [] = { 0x0, 0x0, 0x0, 0x0 };
VECT_VAR_DECL(expected_neg,uint,64,2) [] = { 0x0, 0x0 };
/* Expected results with shift by 1. */
VECT_VAR_DECL(expected_sh1,uint,8,8) [] = { 0xfe, 0xfe, 0xfe, 0xfe,
0xfe, 0xfe, 0xfe, 0xfe };
VECT_VAR_DECL(expected_sh1,uint,16,4) [] = { 0xfffe, 0xfffe, 0xfffe, 0xfffe };
VECT_VAR_DECL(expected_sh1,uint,32,2) [] = { 0xfffffffe, 0xfffffffe };
VECT_VAR_DECL(expected_sh1,uint,64,1) [] = { 0xfffffffffffffffe };
VECT_VAR_DECL(expected_sh1,uint,8,16) [] = { 0xfe, 0xfe, 0xfe, 0xfe,
0xfe, 0xfe, 0xfe, 0xfe,
0xfe, 0xfe, 0xfe, 0xfe,
0xfe, 0xfe, 0xfe, 0xfe };
VECT_VAR_DECL(expected_sh1,uint,16,8) [] = { 0xfffe, 0xfffe, 0xfffe, 0xfffe,
0xfffe, 0xfffe, 0xfffe, 0xfffe };
VECT_VAR_DECL(expected_sh1,uint,32,4) [] = { 0xfffffffe, 0xfffffffe,
0xfffffffe, 0xfffffffe };
VECT_VAR_DECL(expected_sh1,uint,64,2) [] = { 0xfffffffffffffffe,
0xfffffffffffffffe };
/* Expected results with shift by 2. */
VECT_VAR_DECL(expected_sh2,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff };
VECT_VAR_DECL(expected_sh2,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
VECT_VAR_DECL(expected_sh2,uint,32,2) [] = { 0xffffffff, 0xffffffff };
VECT_VAR_DECL(expected_sh2,uint,64,1) [] = { 0xffffffffffffffff };
VECT_VAR_DECL(expected_sh2,uint,8,16) [] = { 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff };
VECT_VAR_DECL(expected_sh2,uint,16,8) [] = { 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff };
VECT_VAR_DECL(expected_sh2,uint,32,4) [] = { 0xffffffff, 0xffffffff,
0xffffffff, 0xffffffff };
VECT_VAR_DECL(expected_sh2,uint,64,2) [] = { 0xffffffffffffffff,
0xffffffffffffffff };
/* Expected results. */
VECT_VAR_DECL(expected,uint,8,8) [] = { 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2 };
VECT_VAR_DECL(expected,uint,16,4) [] = { 0x8, 0x8, 0x8, 0x8 };
VECT_VAR_DECL(expected,uint,32,2) [] = { 0x18, 0x18 };
VECT_VAR_DECL(expected,uint,64,1) [] = { 0x40 };
VECT_VAR_DECL(expected,uint,8,16) [] = { 0xa0, 0xa0, 0xa0, 0xa0,
0xa0, 0xa0, 0xa0, 0xa0,
0xa0, 0xa0, 0xa0, 0xa0,
0xa0, 0xa0, 0xa0, 0xa0 };
VECT_VAR_DECL(expected,uint,16,8) [] = { 0x180, 0x180, 0x180, 0x180,
0x180, 0x180, 0x180, 0x180 };
VECT_VAR_DECL(expected,uint,32,4) [] = { 0x380, 0x380, 0x380, 0x380 };
VECT_VAR_DECL(expected,uint,64,2) [] = { 0x800, 0x800 };
#define INSN vqshlu
#define TEST_MSG "VQSHLU_N/VQSHLUQ_N"
#define FNNAME1(NAME) void exec_ ## NAME ## _n(void)
#define FNNAME(NAME) FNNAME1(NAME)
FNNAME (INSN)
{
/* Basic test: v2=vqshlu_n(v1,v), then store the result. */
#define TEST_VQSHLU_N2(INSN, Q, T1, T2, T3, T4, W, N, V, CMT) \
Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T3, W, N)); \
VECT_VAR(vector_res, T3, W, N) = \
INSN##Q##_n_##T2##W(VECT_VAR(vector, T1, W, N), \
V); \
vst1##Q##_##T4##W(VECT_VAR(result, T3, W, N), \
VECT_VAR(vector_res, T3, W, N))
/* Two auxliary macros are necessary to expand INSN */
#define TEST_VQSHLU_N1(INSN, Q, T1, T2, T3, T4, W, N, V, CMT) \
TEST_VQSHLU_N2(INSN, Q, T1, T2, T3, T4, W, N, V, CMT)
#define TEST_VQSHLU_N(Q, T1, T2, T3, T4, W, N, V, CMT) \
TEST_VQSHLU_N1(INSN, Q, T1, T2, T3, T4, W, N, V, CMT)
DECL_VARIABLE_ALL_VARIANTS(vector);
DECL_VARIABLE_ALL_VARIANTS(vector_res);
clean_results ();
/* Fill input vector with negative values, to check saturation on
limits. */
VDUP(vector, , int, s, 8, 8, -1);
VDUP(vector, , int, s, 16, 4, -2);
VDUP(vector, , int, s, 32, 2, -3);
VDUP(vector, , int, s, 64, 1, -4);
VDUP(vector, q, int, s, 8, 16, -1);
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_VQSHLU_N(, int, s, uint, u, 8, 8, 2, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 1, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 1, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 2, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 2, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 1, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 1, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 2, 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);
CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_neg, CMT);
CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_neg, CMT);
CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_neg, CMT);
CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_neg, CMT);
CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_neg, CMT);
/* Fill input vector with max value, to check saturation on
limits. */
VDUP(vector, , int, s, 8, 8, 0x7F);
VDUP(vector, , int, s, 16, 4, 0x7FFF);
VDUP(vector, , int, s, 32, 2, 0x7FFFFFFF);
VDUP(vector, , int, s, 64, 1, 0x7FFFFFFFFFFFFFFFLL);
VDUP(vector, q, int, s, 8, 16, 0x7F);
VDUP(vector, q, int, s, 16, 8, 0x7FFF);
VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF);
VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFULL);
/* shift by 1. */
#undef CMT
#define CMT " (shift by 1)"
TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 1, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 1, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 1, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 1, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 1, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 1, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 1, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 1, CMT);
CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_sh1, CMT);
CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_sh1, CMT);
CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_sh1, CMT);
CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_sh1, CMT);
CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_sh1, CMT);
CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_sh1, CMT);
CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_sh1, CMT);
CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_sh1, CMT);
/* shift by 2 to force saturation. */
#undef CMT
#define CMT " (shift by 2)"
TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 2, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 2, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 2, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 2, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 2, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 2, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 2, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 2, CMT);
CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_sh2, CMT);
CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_sh2, CMT);
CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_sh2, CMT);
CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_sh2, CMT);
CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_sh2, CMT);
CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_sh2, CMT);
CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_sh2, CMT);
CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_sh2, CMT);
/* Fill input vector with positive values, to check normal case. */
VDUP(vector, , int, s, 8, 8, 1);
VDUP(vector, , int, s, 16, 4, 2);
VDUP(vector, , int, s, 32, 2, 3);
VDUP(vector, , int, s, 64, 1, 4);
VDUP(vector, q, int, s, 8, 16, 5);
VDUP(vector, q, int, s, 16, 8, 6);
VDUP(vector, q, int, s, 32, 4, 7);
VDUP(vector, q, int, s, 64, 2, 8);
/* Arbitrary shift amount. */
#undef CMT
#define CMT ""
TEST_VQSHLU_N(, int, s, uint, u, 8, 8, 1, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 16, 4, 2, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 32, 2, 3, CMT);
TEST_VQSHLU_N(, int, s, uint, u, 64, 1, 4, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 8, 16, 5, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 16, 8, 6, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 32, 4, 7, CMT);
TEST_VQSHLU_N(q, int, s, uint, u, 64, 2, 8, 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);
CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected, CMT);
CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected, CMT);
CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected, CMT);
CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected, CMT);
CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected, CMT);
}
int main (void)
{
exec_vqshlu_n ();
return 0;
}
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