namespace nt2 { namespace ext
{
template<class Dummy>
struct call<tag::abs_(tag::simd_<tag::signed_, tag::avx_)),
tag::cpu_, Dummy> : callable
{
template<class Sig> struct result;
template<class This,class A0>
struct result<This(A0)> : meta::strip<A0>{};//
NT2_FUNCTOR_CALL(1)
{
typedef typename meta::scalar_of<A0>::type sctype;
typedef typename simd::native<sctype, tag::sse_ > svtype;
svtype a00 = { _mm256_extractf128_si256(a0, 0)};
svtype a01 = { _mm256_extractf128_si256(a0, 1)};
A0 that = { _mm256_insertf128_si256(that,nt2::abs(a00), 0)};
that = _mm256_insertf128_si256(that,nt2::abs(a01), 1);
// NT2_AVX_JOIN128INT1(that, nt2::abs);
return that;
}
};
} }
/////////////////////////////////////////////////////////////////////////////
// Implementation when type A0 is unsigned_
/////////////////////////////////////////////////////////////////////////////
NT2_REGISTER_DISPATCH(tag::abs_, tag::cpu_,
(A0),
((simd_<unsigned_<A0>,tag::avx_>))
inline void newsincos_ps_dual(avx_m256_t x1, avx_m256_t x2, avx_m256_t *s1, avx_m256_t *s2,
avx_m256_t *c1, avx_m256_t *c2) {
avx_m256_t tempa = _ps_sign_mask;
avx_m256_t tempb = _ps_inv_sign_mask;
avx_m256_t sign_bit1 = _mm256_and_ps(x1, tempa);
avx_m256_t sign_bit2 = _mm256_and_ps(x2, tempa);
x1 = _mm256_and_ps(x1, tempb);
x2 = _mm256_and_ps(x2, tempb);
tempa = _ps_cephes_FOPI;
avx_m256_t y1 = _mm256_mul_ps(x1, tempa);
avx_m256_t y2 = _mm256_mul_ps(x2, tempa);
//avx_m256i_t emm21 = _mm256_cvttps_epi32(y1);
//avx_m256i_t emm22 = _mm256_cvttps_epi32(y2);
//emm21 = _mm256_add_epi32(emm21, _pi32_1);
//emm22 = _mm256_add_epi32(emm22, _pi32_1);
avx_m256i_t emm21 = _mm256_cvttps_epi32(_mm256_add_ps(y1, _ps_1));
avx_m256i_t emm22 = _mm256_cvttps_epi32(_mm256_add_ps(y2, _ps_1));
//emm21 = _mm256_and_si256(emm21, _pi32_inv1);
//emm22 = _mm256_and_si256(emm22, _pi32_inv1);
emm21 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(emm21), _mm256_castsi256_ps(_pi32_inv1)));
emm22 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(emm22), _mm256_castsi256_ps(_pi32_inv1)));
y1 = _mm256_cvtepi32_ps(emm21);
y2 = _mm256_cvtepi32_ps(emm22);
//avx_m256i_t tempia = _pi32_2;
//avx_m256i_t cos_emm21 = _mm256_sub_epi32(emm21, tempia);
//avx_m256i_t cos_emm22 = _mm256_sub_epi32(emm22, tempia);
avx_m256i_t cos_emm21 = _mm256_cvtps_epi32(_mm256_sub_ps(_mm256_cvtepi32_ps(emm21), _ps_2));
avx_m256i_t cos_emm22 = _mm256_cvtps_epi32(_mm256_sub_ps(_mm256_cvtepi32_ps(emm22), _ps_2));
//avx_m256i_t tempib = _pi32_4;
//avx_m256i_t emm01 = _mm256_and_si256(emm21, tempib);
//avx_m256i_t emm02 = _mm256_and_si256(emm22, tempib);
avx_m256i_t emm01 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(emm21),
_mm256_castsi256_ps(_pi32_4)));
avx_m256i_t emm02 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(emm22),
_mm256_castsi256_ps(_pi32_4)));
//avx_m256i_t cos_emm01 = _mm256_andnot_si256(cos_emm21, tempib);
//avx_m256i_t cos_emm02 = _mm256_andnot_si256(cos_emm22, tempib);
avx_m256i_t cos_emm01 = _mm256_castps_si256(_mm256_andnot_ps(_mm256_castsi256_ps(cos_emm21),
_mm256_castsi256_ps(_pi32_4)));
avx_m256i_t cos_emm02 = _mm256_castps_si256(_mm256_andnot_ps(_mm256_castsi256_ps(cos_emm22),
_mm256_castsi256_ps(_pi32_4)));
//emm01 = _mm256_slli_epi32(emm01, 29);
__m128i emm0hi1 = _mm256_extractf128_si256(emm01, 0);
__m128i emm0lo1 = _mm256_extractf128_si256(emm01, 1);
emm0hi1 = _mm_slli_epi32(emm0hi1, 29);
emm0lo1 = _mm_slli_epi32(emm0lo1, 29);
emm01 = _mm256_insertf128_si256(emm01, emm0hi1, 0);
emm01 = _mm256_insertf128_si256(emm01, emm0lo1, 1);
//emm02 = _mm256_slli_epi32(emm02, 29);
__m128i emm0hi2 = _mm256_extractf128_si256(emm02, 0);
__m128i emm0lo2 = _mm256_extractf128_si256(emm02, 1);
emm0hi2 = _mm_slli_epi32(emm0hi2, 29);
emm0lo2 = _mm_slli_epi32(emm0lo2, 29);
emm02 = _mm256_insertf128_si256(emm02, emm0hi1, 0);
emm02 = _mm256_insertf128_si256(emm02, emm0lo1, 1);
//cos_emm01 = _mm256_slli_epi32(cos_emm01, 29);
__m128i cos_emm0hi1 = _mm256_extractf128_si256(cos_emm01, 0);
__m128i cos_emm0lo1 = _mm256_extractf128_si256(cos_emm01, 1);
cos_emm0hi1 = _mm_slli_epi32(cos_emm0hi1, 29);
cos_emm0lo1 = _mm_slli_epi32(cos_emm0lo1, 29);
cos_emm01 = _mm256_insertf128_si256(cos_emm01, cos_emm0hi1, 0);
cos_emm01 = _mm256_insertf128_si256(cos_emm01, cos_emm0lo1, 1);
//cos_emm02 = _mm256_slli_epi32(cos_emm02, 29);
__m128i cos_emm0hi2 = _mm256_extractf128_si256(cos_emm02, 0);
__m128i cos_emm0lo2 = _mm256_extractf128_si256(cos_emm02, 1);
cos_emm0hi2 = _mm_slli_epi32(cos_emm0hi2, 29);
cos_emm0lo2 = _mm_slli_epi32(cos_emm0lo2, 29);
cos_emm02 = _mm256_insertf128_si256(cos_emm02, cos_emm0hi2, 0);
cos_emm02 = _mm256_insertf128_si256(cos_emm02, cos_emm0lo2, 1);
//tempia = _pi32_2;
//tempib = _mm256_setzero_si256();
//emm21 = _mm256_and_si256(emm21, tempia);
//emm22 = _mm256_and_si256(emm22, tempia);
emm21 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(emm21),
_mm256_castsi256_ps(_pi32_2)));
emm22 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(emm22),
_mm256_castsi256_ps(_pi32_2)));
//cos_emm21 = _mm256_and_si256(cos_emm21, tempia);
//cos_emm22 = _mm256_and_si256(cos_emm22, tempia);
cos_emm21 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(cos_emm21),
_mm256_castsi256_ps(_pi32_2)));
cos_emm22 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(cos_emm22),
_mm256_castsi256_ps(_pi32_2)));
//emm21 = _mm256_cmpeq_epi32(emm21, tempib);
//emm22 = _mm256_cmpeq_epi32(emm22, tempib);
emm21 = _mm256_castps_si256(_mm256_cmp_ps(_mm256_castsi256_ps(emm21), _mm256_setzero_ps(), _CMP_EQ_UQ));
emm22 = _mm256_castps_si256(_mm256_cmp_ps(_mm256_castsi256_ps(emm22), _mm256_setzero_ps(), _CMP_EQ_UQ));
//cos_emm21 = _mm256_cmpeq_epi32(cos_emm21, tempib);
//cos_emm22 = _mm256_cmpeq_epi32(cos_emm22, tempib);
cos_emm21 = _mm256_castps_si256(_mm256_cmp_ps(_mm256_castsi256_ps(cos_emm21), _mm256_setzero_ps(), _CMP_EQ_UQ));
cos_emm22 = _mm256_castps_si256(_mm256_cmp_ps(_mm256_castsi256_ps(cos_emm22), _mm256_setzero_ps(), _CMP_EQ_UQ));
avx_m256_t emm0f1 = _mm256_castsi256_ps(emm01);
avx_m256_t emm0f2 = _mm256_castsi256_ps(emm02);
avx_m256_t emm2f1 = _mm256_castsi256_ps(emm21);
avx_m256_t emm2f2 = _mm256_castsi256_ps(emm22);
avx_m256_t cos_emm0f1 = _mm256_castsi256_ps(cos_emm01);
avx_m256_t cos_emm0f2 = _mm256_castsi256_ps(cos_emm02);
avx_m256_t cos_emm2f1 = _mm256_castsi256_ps(cos_emm21);
avx_m256_t cos_emm2f2 = _mm256_castsi256_ps(cos_emm22);
sign_bit1 = _mm256_xor_ps(sign_bit1, emm0f1);
sign_bit2 = _mm256_xor_ps(sign_bit2, emm0f2);
tempa = _ps_minus_cephes_DP123;
tempb = _mm256_mul_ps(y2, tempa);
tempa = _mm256_mul_ps(y1, tempa);
x2 = _mm256_add_ps(x2, tempb);
x1 = _mm256_add_ps(x1, tempa);
avx_m256_t x21 = _mm256_mul_ps(x1, x1);
avx_m256_t x22 = _mm256_mul_ps(x2, x2);
avx_m256_t x31 = _mm256_mul_ps(x21, x1);
avx_m256_t x32 = _mm256_mul_ps(x22, x2);
avx_m256_t x41 = _mm256_mul_ps(x21, x21);
avx_m256_t x42 = _mm256_mul_ps(x22, x22);
tempa = _ps_coscof_p0;
tempb = _ps_sincof_p0;
y1 = _mm256_mul_ps(x21, tempa);
y2 = _mm256_mul_ps(x22, tempa);
avx_m256_t y21 = _mm256_mul_ps(x21, tempb);
avx_m256_t y22 = _mm256_mul_ps(x22, tempb);
tempa = _ps_coscof_p1;
tempb = _ps_sincof_p1;
y1 = _mm256_add_ps(y1, tempa);
y2 = _mm256_add_ps(y2, tempa);
y21 = _mm256_add_ps(y21, tempb);
y22 = _mm256_add_ps(y22, tempb);
y1 = _mm256_mul_ps(y1, x21);
y2 = _mm256_mul_ps(y2, x22);
y21 = _mm256_mul_ps(y21, x21);
y22 = _mm256_mul_ps(y22, x22);
tempa = _ps_coscof_p2;
tempb = _ps_sincof_p2;
y1 = _mm256_add_ps(y1, tempa);
y2 = _mm256_add_ps(y2, tempa);
y21 = _mm256_add_ps(y21, tempb);
y22 = _mm256_add_ps(y22, tempb);
y1 = _mm256_mul_ps(y1, x41);
y2 = _mm256_mul_ps(y2, x42);
y21 = _mm256_mul_ps(y21, x31);
y22 = _mm256_mul_ps(y22, x32);
tempa = _ps_0p5;
tempb = _ps_1;
avx_m256_t temp_21 = _mm256_mul_ps(x21, tempa);
avx_m256_t temp_22 = _mm256_mul_ps(x22, tempa);
y21 = _mm256_add_ps(y21, x1);
y22 = _mm256_add_ps(y22, x2);
temp_21 = _mm256_sub_ps(temp_21, tempb);
temp_22 = _mm256_sub_ps(temp_22, tempb);
y1 = _mm256_sub_ps(y1, temp_21);
y2 = _mm256_sub_ps(y2, temp_22);
avx_m256_t cos_y1 = y1;
avx_m256_t cos_y2 = y2;
avx_m256_t cos_y21 = y21;
avx_m256_t cos_y22 = y22;
y1 = _mm256_andnot_ps(emm2f1, y1);
y2 = _mm256_andnot_ps(emm2f2, y2);
cos_y1 = _mm256_andnot_ps(cos_emm2f1, cos_y1);
cos_y2 = _mm256_andnot_ps(cos_emm2f2, cos_y2);
y21 = _mm256_and_ps(emm2f1, y21);
y22 = _mm256_and_ps(emm2f2, y22);
cos_y21 = _mm256_and_ps(cos_emm2f1, cos_y21);
cos_y22 = _mm256_and_ps(cos_emm2f2, cos_y22);
y1 = _mm256_add_ps(y1, y21);
y2 = _mm256_add_ps(y2, y22);
cos_y1 = _mm256_add_ps(cos_y1, cos_y21);
cos_y2 = _mm256_add_ps(cos_y2, cos_y22);
*s1 = _mm256_xor_ps(y1, sign_bit1);
*s2 = _mm256_xor_ps(y2, sign_bit2);
*c1 = _mm256_xor_ps(cos_y1, cos_emm0f1);
*c2 = _mm256_xor_ps(cos_y2, cos_emm0f2);
} // newsincos_ps_dual()
inline avx_m256_t newexp_ps(avx_m256_t x) {
avx_m256_t one = _ps_1;
avx_m256_t zero = _ps_0;
x = _mm256_min_ps(x, _ps_exp_hi);
x = _mm256_max_ps(x, _ps_exp_lo);
avx_m256_t temp_2 = _mm256_mul_ps(x, _ps_cephes_LOG2EF);
temp_2 = _mm256_add_ps(temp_2, _ps_0p5);
avx_m256i_t emm0 = _mm256_cvttps_epi32(temp_2);
avx_m256_t temp_1 = _mm256_cvtepi32_ps(emm0);
avx_m256_t temp_3 = _mm256_sub_ps(temp_1, temp_2);
avx_m256_t mask = _mm256_cmp_ps(temp_3, zero, _CMP_GT_OQ);
mask = _mm256_and_ps(mask, one);
temp_2 = _mm256_sub_ps(temp_1, mask);
emm0 = _mm256_cvttps_epi32(temp_2);
temp_1 = _mm256_mul_ps(temp_2, _ps_cephes_exp_C12);
x = _mm256_sub_ps(x, temp_1);
avx_m256_t x2 = _mm256_mul_ps(x, x);
avx_m256_t x3 = _mm256_mul_ps(x2, x);
avx_m256_t x4 = _mm256_mul_ps(x2, x2);
temp_1 = _mm256_add_ps(x, one);
temp_2 = _mm256_mul_ps(x2, _ps_cephes_exp_p5);
temp_3 = _mm256_mul_ps(x3, _ps_cephes_exp_p4);
temp_1 = _mm256_add_ps(temp_1, temp_2);
temp_2 = _mm256_mul_ps(x3, _ps_cephes_exp_p0);
temp_1 = _mm256_add_ps(temp_1, temp_3);
avx_m256_t temp_4 = _mm256_mul_ps(x, _ps_cephes_exp_p2);
temp_3 = _mm256_mul_ps(x2, _ps_cephes_exp_p1);
emm0 = _mm256_castps_si256(_mm256_add_ps(_mm256_castsi256_ps(emm0), _mm256_castsi256_ps(_pi32_0x7f)));
temp_2 = _mm256_add_ps(temp_2, temp_3);
temp_3 = _mm256_add_ps(temp_3, temp_4);
//emm0 = _mm256_slli_epi32(emm0, 23);
// convert emm0 into two 128-bit integer vectors
// perform shift on both vectors
// combine both vectors into 256-bit emm0
__m128i emm0hi = _mm256_extractf128_si256(emm0, 0);
__m128i emm0lo = _mm256_extractf128_si256(emm0, 1);
emm0hi = _mm_slli_epi32(emm0hi, 23);
emm0lo = _mm_slli_epi32(emm0lo, 23);
emm0 = _mm256_insertf128_si256(emm0, emm0hi, 0);
emm0 = _mm256_insertf128_si256(emm0, emm0lo, 1);
avx_m256_t pow2n = _mm256_castsi256_ps(emm0);
temp_2 = _mm256_add_ps(temp_2, temp_3);
temp_2 = _mm256_mul_ps(temp_2, x4);
avx_m256_t y = _mm256_add_ps(temp_1, temp_2);
y = _mm256_mul_ps(y, pow2n);
return y;
} // newexp_ps()
inline void newexp_ps_dual(avx_m256_t x1, avx_m256_t x2, avx_m256_t* exp1, avx_m256_t* exp2) {
avx_m256_t one = _ps_1;
avx_m256_t zero = _ps_0;
x1 = _mm256_min_ps(x1, _ps_exp_hi);
x2 = _mm256_min_ps(x2, _ps_exp_hi);
x1 = _mm256_max_ps(x1, _ps_exp_lo);
x2 = _mm256_max_ps(x2, _ps_exp_lo);
avx_m256_t temp_21 = _mm256_mul_ps(x1, _ps_cephes_LOG2EF);
avx_m256_t temp_22 = _mm256_mul_ps(x2, _ps_cephes_LOG2EF);
temp_21 = _mm256_add_ps(temp_21, _ps_0p5);
temp_22 = _mm256_add_ps(temp_22, _ps_0p5);
avx_m256i_t emm01 = _mm256_cvttps_epi32(temp_21);
avx_m256i_t emm02 = _mm256_cvttps_epi32(temp_22);
avx_m256_t temp_11 = _mm256_cvtepi32_ps(emm01);
avx_m256_t temp_12 = _mm256_cvtepi32_ps(emm02);
avx_m256_t temp_31 = _mm256_sub_ps(temp_11, temp_21);
avx_m256_t temp_32 = _mm256_sub_ps(temp_12, temp_22);
avx_m256_t mask1 = _mm256_cmp_ps(temp_31, zero, _CMP_GT_OQ);
avx_m256_t mask2 = _mm256_cmp_ps(temp_32, zero, _CMP_GT_OQ);
mask1 = _mm256_and_ps(mask1, one);
mask2 = _mm256_and_ps(mask2, one);
temp_21 = _mm256_sub_ps(temp_11, mask1);
temp_22 = _mm256_sub_ps(temp_12, mask2);
emm01 = _mm256_cvttps_epi32(temp_21);
emm02 = _mm256_cvttps_epi32(temp_22);
temp_11 = _mm256_mul_ps(temp_21, _ps_cephes_exp_C12);
temp_12 = _mm256_mul_ps(temp_22, _ps_cephes_exp_C12);
x1 = _mm256_sub_ps(x1, temp_11);
x2 = _mm256_sub_ps(x2, temp_12);
avx_m256_t x21 = _mm256_mul_ps(x1, x1);
avx_m256_t x22 = _mm256_mul_ps(x2, x2);
avx_m256_t x31 = _mm256_mul_ps(x21, x1);
avx_m256_t x32 = _mm256_mul_ps(x22, x2);
avx_m256_t x41 = _mm256_mul_ps(x21, x21);
avx_m256_t x42 = _mm256_mul_ps(x22, x22);
temp_11 = _mm256_add_ps(x1, one);
temp_12 = _mm256_add_ps(x2, one);
temp_21 = _mm256_mul_ps(x21, _ps_cephes_exp_p5);
temp_22 = _mm256_mul_ps(x22, _ps_cephes_exp_p5);
temp_31 = _mm256_mul_ps(x31, _ps_cephes_exp_p4);
temp_32 = _mm256_mul_ps(x32, _ps_cephes_exp_p4);
temp_11 = _mm256_add_ps(temp_11, temp_21);
temp_12 = _mm256_add_ps(temp_12, temp_22);
temp_21 = _mm256_mul_ps(x31, _ps_cephes_exp_p0);
temp_22 = _mm256_mul_ps(x32, _ps_cephes_exp_p0);
temp_11 = _mm256_add_ps(temp_11, temp_31);
temp_12 = _mm256_add_ps(temp_12, temp_32);
avx_m256_t temp_41 = _mm256_mul_ps(x1, _ps_cephes_exp_p2);
avx_m256_t temp_42 = _mm256_mul_ps(x2, _ps_cephes_exp_p2);
temp_31 = _mm256_mul_ps(x21, _ps_cephes_exp_p1);
temp_32 = _mm256_mul_ps(x22, _ps_cephes_exp_p1);
//emm01 = _mm256_add_epi32(emm01, _pi32_0x7f);
//emm02 = _mm256_add_epi32(emm02, _pi32_0x7f);
emm01 = _mm256_castps_si256(_mm256_add_ps(_mm256_castsi256_ps(emm01), _mm256_castsi256_ps(_pi32_0x7f)));
emm02 = _mm256_castps_si256(_mm256_add_ps(_mm256_castsi256_ps(emm02), _mm256_castsi256_ps(_pi32_0x7f)));
temp_21 = _mm256_add_ps(temp_21, temp_31);
temp_22 = _mm256_add_ps(temp_22, temp_32);
temp_31 = _mm256_add_ps(temp_31, temp_41);
temp_32 = _mm256_add_ps(temp_32, temp_42);
//emm01 = _mm256_slli_epi32(emm01, 23);
__m128i emm0hi1 = _mm256_extractf128_si256(emm01, 0);
__m128i emm0lo1 = _mm256_extractf128_si256(emm01, 1);
emm0hi1 = _mm_slli_epi32(emm0hi1, 23);
emm0lo1 = _mm_slli_epi32(emm0lo1, 23);
emm01 = _mm256_insertf128_si256(emm01, emm0hi1, 0);
emm01 = _mm256_insertf128_si256(emm01, emm0lo1, 1);
//emm02 = _mm256_slli_epi32(emm02, 23);
__m128i emm0hi2 = _mm256_extractf128_si256(emm02, 0);
__m128i emm0lo2 = _mm256_extractf128_si256(emm02, 1);
emm0hi2 = _mm_slli_epi32(emm0hi2, 23);
emm0lo2 = _mm_slli_epi32(emm0lo2, 23);
emm02 = _mm256_insertf128_si256(emm02, emm0hi2, 0);
emm02 = _mm256_insertf128_si256(emm02, emm0lo2, 1);
avx_m256_t pow2n1 = _mm256_castsi256_ps(emm01);
avx_m256_t pow2n2 = _mm256_castsi256_ps(emm02);
temp_21 = _mm256_add_ps(temp_21, temp_31);
temp_22 = _mm256_add_ps(temp_22, temp_32);
temp_21 = _mm256_mul_ps(temp_21, x41);
temp_22 = _mm256_mul_ps(temp_22, x42);
avx_m256_t y1 = _mm256_add_ps(temp_11, temp_21);
avx_m256_t y2 = _mm256_add_ps(temp_12, temp_22);
*exp1 = _mm256_mul_ps(y1, pow2n1);
*exp2 = _mm256_mul_ps(y2, pow2n2);
} // newexp_ps_dual()
inline void newsincos_ps(avx_m256_t x, avx_m256_t *s, avx_m256_t *c) {
avx_m256_t sign_bit = _mm256_and_ps(x, _ps_sign_mask);
x = _mm256_and_ps(x, _ps_inv_sign_mask);
avx_m256_t y = _mm256_mul_ps(x, _ps_cephes_FOPI);
//avx_m256i_t emm2 = _mm256_cvttps_epi32(y);
//emm2 = _mm256_add_epi32(emm2, _pi32_1);
avx_m256i_t emm2 = _mm256_cvttps_epi32(_mm256_add_ps(y, _ps_1));
//emm2 = _mm256_and_si256(emm2, _pi32_inv1);
emm2 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(emm2), _mm256_castsi256_ps(_pi32_inv1)));
y = _mm256_cvtepi32_ps(emm2);
//avx_m256i_t cos_emm2 = _mm256_sub_epi32(emm2, _pi32_2);
avx_m256i_t cos_emm2 = _mm256_cvtps_epi32(_mm256_sub_ps(_mm256_cvtepi32_ps(emm2), _ps_2));
//avx_m256i_t emm0 = _mm256_and_si256(emm2, _pi32_4);
avx_m256i_t emm0 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(emm2),
_mm256_castsi256_ps(_pi32_4)));
//avx_m256i_t cos_emm0 = _mm256_andnot_si256(cos_emm2, _pi32_4);
avx_m256i_t cos_emm0 = _mm256_castps_si256(_mm256_andnot_ps(_mm256_castsi256_ps(cos_emm2),
_mm256_castsi256_ps(_pi32_4)));
//emm0 = _mm256_slli_epi32(emm0, 29);
__m128i emm0hi = _mm256_extractf128_si256(emm0, 0);
__m128i emm0lo = _mm256_extractf128_si256(emm0, 1);
emm0hi = _mm_slli_epi32(emm0hi, 29);
emm0lo = _mm_slli_epi32(emm0lo, 29);
emm0 = _mm256_insertf128_si256(emm0, emm0hi, 0);
emm0 = _mm256_insertf128_si256(emm0, emm0lo, 1);
//cos_emm0 = _mm256_slli_epi32(cos_emm0, 29);
__m128i cos_emm0hi = _mm256_extractf128_si256(cos_emm0, 0);
__m128i cos_emm0lo = _mm256_extractf128_si256(cos_emm0, 1);
cos_emm0hi = _mm_slli_epi32(cos_emm0hi, 29);
cos_emm0lo = _mm_slli_epi32(cos_emm0lo, 29);
cos_emm0 = _mm256_insertf128_si256(cos_emm0, cos_emm0hi, 0);
cos_emm0 = _mm256_insertf128_si256(cos_emm0, cos_emm0lo, 1);
//emm2 = _mm256_and_si256(emm2, _pi32_2);
emm2 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(emm2),
_mm256_castsi256_ps(_pi32_2)));
//cos_emm2 = _mm256_and_si256(cos_emm2, _pi32_2);
cos_emm2 = _mm256_castps_si256(_mm256_and_ps(_mm256_castsi256_ps(cos_emm2),
_mm256_castsi256_ps(_pi32_2)));
//emm2 = _mm256_cmpeq_epi32(emm2, _mm256_setzero_si256());
emm2 = _mm256_castps_si256(_mm256_cmp_ps(_mm256_castsi256_ps(emm2), _mm256_setzero_ps(), _CMP_EQ_UQ));
//cos_emm2 = _mm256_cmpeq_epi32(cos_emm2, _mm256_setzero_si256());
cos_emm2 = _mm256_castps_si256(_mm256_cmp_ps(_mm256_castsi256_ps(cos_emm2), _mm256_setzero_ps(), _CMP_EQ_UQ));
avx_m256_t emm0f = _mm256_castsi256_ps(emm0);
avx_m256_t emm2f = _mm256_castsi256_ps(emm2);
avx_m256_t cos_emm0f = _mm256_castsi256_ps(cos_emm0);
avx_m256_t cos_emm2f = _mm256_castsi256_ps(cos_emm2);
sign_bit = _mm256_xor_ps(sign_bit, emm0f);
avx_m256_t temp_2 = _ps_minus_cephes_DP123;
temp_2 = _mm256_mul_ps(y, temp_2);
x = _mm256_add_ps(x, temp_2);
avx_m256_t x2 = _mm256_mul_ps(x, x);
avx_m256_t x3 = _mm256_mul_ps(x2, x);
avx_m256_t x4 = _mm256_mul_ps(x2, x2);
y = _ps_coscof_p0;
avx_m256_t y2 = _ps_sincof_p0;
y = _mm256_mul_ps(y, x2);
y2 = _mm256_mul_ps(y2, x2);
y = _mm256_add_ps(y, _ps_coscof_p1);
y2 = _mm256_add_ps(y2, _ps_sincof_p1);
y = _mm256_mul_ps(y, x2);
y2 = _mm256_mul_ps(y2, x2);
y = _mm256_add_ps(y, _ps_coscof_p2);
y2 = _mm256_add_ps(y2, _ps_sincof_p2);
y = _mm256_mul_ps(y, x4);
y2 = _mm256_mul_ps(y2, x3);
temp_2 = _mm256_mul_ps(x2, _ps_0p5);
y2 = _mm256_add_ps(y2, x);
temp_2 = _mm256_sub_ps(temp_2, _ps_1);
y = _mm256_sub_ps(y, temp_2);
avx_m256_t cos_y = y;
avx_m256_t cos_y2 = y2;
y = _mm256_andnot_ps(emm2f, y);
cos_y = _mm256_andnot_ps(cos_emm2f, cos_y);
y2 = _mm256_and_ps(emm2f, y2);
cos_y2 = _mm256_and_ps(cos_emm2f, cos_y2);
y = _mm256_add_ps(y, y2);
cos_y = _mm256_add_ps(cos_y, cos_y2);
*s = _mm256_xor_ps(y, sign_bit);
*c = _mm256_xor_ps(cos_y, cos_emm0f);
} // newsincos_ps()
static void
sfid_render_cache_rt_write_simd8_rgba_uint32_linear(struct thread *t,
const struct sfid_render_cache_args *args)
{
const int slice_y = args->rt.minimum_array_element * args->rt.qpitch;
const int x = t->grf[1].uw[4];
const int y = t->grf[1].uw[5] + slice_y;
const struct reg *src = &t->grf[args->src];
__m128i *base0 = args->rt.pixels + x * args->rt.cpp + y * args->rt.stride;
__m128i *base1 = (void *) base0 + args->rt.stride;
__m256i rg0145 = _mm256_unpacklo_epi32(src[0].ireg, src[1].ireg);
__m256i rg2367 = _mm256_unpackhi_epi32(src[0].ireg, src[1].ireg);
__m256i ba0145 = _mm256_unpacklo_epi32(src[2].ireg, src[3].ireg);
__m256i ba2367 = _mm256_unpackhi_epi32(src[2].ireg, src[3].ireg);
__m256i rgba04 = _mm256_unpacklo_epi64(rg0145, ba0145);
__m256i rgba15 = _mm256_unpackhi_epi64(rg0145, ba0145);
__m256i rgba26 = _mm256_unpacklo_epi64(rg2367, ba2367);
__m256i rgba37 = _mm256_unpackhi_epi64(rg2367, ba2367);
struct reg mask = { .ireg = t->mask_q1 };
if (mask.d[0] < 0)
base0[0] = _mm256_extractf128_si256(rgba04, 0);
if (mask.d[1] < 0)
base0[1] = _mm256_extractf128_si256(rgba15, 0);
if (mask.d[2] < 0)
base1[0] = _mm256_extractf128_si256(rgba26, 0);
if (mask.d[3] < 0)
base1[1] = _mm256_extractf128_si256(rgba37, 0);
if (mask.d[4] < 0)
base0[2] = _mm256_extractf128_si256(rgba04, 1);
if (mask.d[5] < 0)
base0[3] = _mm256_extractf128_si256(rgba15, 1);
if (mask.d[6] < 0)
base1[2] = _mm256_extractf128_si256(rgba26, 1);
if (mask.d[7] < 0)
base1[3] = _mm256_extractf128_si256(rgba37, 1);
}
static void
write_uint16_linear(struct thread *t,
const struct sfid_render_cache_args *args,
__m256i r, __m256i g, __m256i b, __m256i a)
{
const int slice_y = args->rt.minimum_array_element * args->rt.qpitch;
const int x = t->grf[1].uw[4];
const int y = t->grf[1].uw[5] + slice_y;
__m256i rg, ba;
rg = _mm256_slli_epi32(g, 16);
rg = _mm256_or_si256(rg, r);
ba = _mm256_slli_epi32(a, 16);
ba = _mm256_or_si256(ba, b);
__m256i p0 = _mm256_unpacklo_epi32(rg, ba);
__m256i m0 = _mm256_cvtepi32_epi64(_mm256_extractf128_si256(t->mask_q1, 0));
__m256i p1 = _mm256_unpackhi_epi32(rg, ba);
__m256i m1 = _mm256_cvtepi32_epi64(_mm256_extractf128_si256(t->mask_q1, 1));
void *base = args->rt.pixels + x * args->rt.cpp + y * args->rt.stride;
_mm_maskstore_epi64(base,
_mm256_extractf128_si256(m0, 0),
_mm256_extractf128_si256(p0, 0));
_mm_maskstore_epi64((base + 16),
_mm256_extractf128_si256(m1, 0),
_mm256_extractf128_si256(p0, 1));
_mm_maskstore_epi64((base + args->rt.stride),
_mm256_extractf128_si256(m0, 1),
_mm256_extractf128_si256(p1, 0));
_mm_maskstore_epi64((base + args->rt.stride + 16),
_mm256_extractf128_si256(m1, 1),
_mm256_extractf128_si256(p1, 1));
}
static void
sfid_render_cache_rt_write_simd8_rgba_unorm16_linear(struct thread *t,
const struct sfid_render_cache_args *args)
{
__m256i r, g, b, a;
const __m256 scale = _mm256_set1_ps(65535.0f);
const __m256 half = _mm256_set1_ps(0.5f);
struct reg *src = &t->grf[args->src];
r = _mm256_cvtps_epi32(_mm256_add_ps(_mm256_mul_ps(src[0].reg, scale), half));
g = _mm256_cvtps_epi32(_mm256_add_ps(_mm256_mul_ps(src[1].reg, scale), half));
b = _mm256_cvtps_epi32(_mm256_add_ps(_mm256_mul_ps(src[2].reg, scale), half));
a = _mm256_cvtps_epi32(_mm256_add_ps(_mm256_mul_ps(src[3].reg, scale), half));
write_uint16_linear(t, args, r, g, b, a);
}
template<index_t index> INLINE const ssei extract(const avxi& a ) { return _mm256_extractf128_si256(a ,index); }
void aom_sad64x64x4d_avx2(const uint8_t *src, int src_stride,
const uint8_t *const ref[4], int ref_stride,
uint32_t res[4]) {
__m256i src_reg, srcnext_reg, ref0_reg, ref0next_reg;
__m256i ref1_reg, ref1next_reg, ref2_reg, ref2next_reg;
__m256i ref3_reg, ref3next_reg;
__m256i sum_ref0, sum_ref1, sum_ref2, sum_ref3;
__m256i sum_mlow, sum_mhigh;
int i;
const uint8_t *ref0, *ref1, *ref2, *ref3;
ref0 = ref[0];
ref1 = ref[1];
ref2 = ref[2];
ref3 = ref[3];
sum_ref0 = _mm256_set1_epi16(0);
sum_ref1 = _mm256_set1_epi16(0);
sum_ref2 = _mm256_set1_epi16(0);
sum_ref3 = _mm256_set1_epi16(0);
for (i = 0; i < 64; i++) {
// load 64 bytes from src and all refs
src_reg = _mm256_loadu_si256((const __m256i *)src);
srcnext_reg = _mm256_loadu_si256((const __m256i *)(src + 32));
ref0_reg = _mm256_loadu_si256((const __m256i *)ref0);
ref0next_reg = _mm256_loadu_si256((const __m256i *)(ref0 + 32));
ref1_reg = _mm256_loadu_si256((const __m256i *)ref1);
ref1next_reg = _mm256_loadu_si256((const __m256i *)(ref1 + 32));
ref2_reg = _mm256_loadu_si256((const __m256i *)ref2);
ref2next_reg = _mm256_loadu_si256((const __m256i *)(ref2 + 32));
ref3_reg = _mm256_loadu_si256((const __m256i *)ref3);
ref3next_reg = _mm256_loadu_si256((const __m256i *)(ref3 + 32));
// sum of the absolute differences between every ref-i to src
ref0_reg = _mm256_sad_epu8(ref0_reg, src_reg);
ref1_reg = _mm256_sad_epu8(ref1_reg, src_reg);
ref2_reg = _mm256_sad_epu8(ref2_reg, src_reg);
ref3_reg = _mm256_sad_epu8(ref3_reg, src_reg);
ref0next_reg = _mm256_sad_epu8(ref0next_reg, srcnext_reg);
ref1next_reg = _mm256_sad_epu8(ref1next_reg, srcnext_reg);
ref2next_reg = _mm256_sad_epu8(ref2next_reg, srcnext_reg);
ref3next_reg = _mm256_sad_epu8(ref3next_reg, srcnext_reg);
// sum every ref-i
sum_ref0 = _mm256_add_epi32(sum_ref0, ref0_reg);
sum_ref1 = _mm256_add_epi32(sum_ref1, ref1_reg);
sum_ref2 = _mm256_add_epi32(sum_ref2, ref2_reg);
sum_ref3 = _mm256_add_epi32(sum_ref3, ref3_reg);
sum_ref0 = _mm256_add_epi32(sum_ref0, ref0next_reg);
sum_ref1 = _mm256_add_epi32(sum_ref1, ref1next_reg);
sum_ref2 = _mm256_add_epi32(sum_ref2, ref2next_reg);
sum_ref3 = _mm256_add_epi32(sum_ref3, ref3next_reg);
src += src_stride;
ref0 += ref_stride;
ref1 += ref_stride;
ref2 += ref_stride;
ref3 += ref_stride;
}
{
__m128i sum;
// in sum_ref-i the result is saved in the first 4 bytes
// the other 4 bytes are zeroed.
// sum_ref1 and sum_ref3 are shifted left by 4 bytes
sum_ref1 = _mm256_slli_si256(sum_ref1, 4);
sum_ref3 = _mm256_slli_si256(sum_ref3, 4);
// merge sum_ref0 and sum_ref1 also sum_ref2 and sum_ref3
sum_ref0 = _mm256_or_si256(sum_ref0, sum_ref1);
sum_ref2 = _mm256_or_si256(sum_ref2, sum_ref3);
// merge every 64 bit from each sum_ref-i
sum_mlow = _mm256_unpacklo_epi64(sum_ref0, sum_ref2);
sum_mhigh = _mm256_unpackhi_epi64(sum_ref0, sum_ref2);
// add the low 64 bit to the high 64 bit
sum_mlow = _mm256_add_epi32(sum_mlow, sum_mhigh);
// add the low 128 bit to the high 128 bit
sum = _mm_add_epi32(_mm256_castsi256_si128(sum_mlow),
_mm256_extractf128_si256(sum_mlow, 1));
_mm_storeu_si128((__m128i *)(res), sum);
}
_mm256_zeroupper();
}
__m128i test_mm256_extractf128_si256_1(__m256i a) {
// CHECK-LABEL: @test_mm256_extractf128_si256_1
// CHECK: shufflevector{{.*}}<i32 2, i32 3>
return _mm256_extractf128_si256(a, 1);
}
__m128i test_mm256_extractf128_si256_0(__m256i a) {
// CHECK-LABEL: @test_mm256_extractf128_si256_0
// CHECK: shufflevector{{.*}}<i32 0, i32 1>
return _mm256_extractf128_si256(a, 0);
}
void vp9_filter_block1d16_h8_avx2(unsigned char *src_ptr,
unsigned int src_pixels_per_line,
unsigned char *output_ptr,
unsigned int output_pitch,
unsigned int output_height,
int16_t *filter) {
__m128i filtersReg;
__m256i addFilterReg64, filt1Reg, filt2Reg, filt3Reg, filt4Reg;
__m256i firstFilters, secondFilters, thirdFilters, forthFilters;
__m256i srcRegFilt32b1_1, srcRegFilt32b2_1, srcRegFilt32b2, srcRegFilt32b3;
__m256i srcReg32b1, srcReg32b2, filtersReg32;
unsigned int i;
unsigned int src_stride, dst_stride;
// create a register with 0,64,0,64,0,64,0,64,0,64,0,64,0,64,0,64
addFilterReg64 = _mm256_set1_epi32((int)0x0400040u);
filtersReg = _mm_loadu_si128((__m128i *)filter);
// converting the 16 bit (short) to 8 bit (byte) and have the same data
// in both lanes of 128 bit register.
filtersReg =_mm_packs_epi16(filtersReg, filtersReg);
// have the same data in both lanes of a 256 bit register
filtersReg32 = MM256_BROADCASTSI128_SI256(filtersReg);
// duplicate only the first 16 bits (first and second byte)
// across 256 bit register
firstFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x100u));
// duplicate only the second 16 bits (third and forth byte)
// across 256 bit register
secondFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x302u));
// duplicate only the third 16 bits (fifth and sixth byte)
// across 256 bit register
thirdFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x504u));
// duplicate only the forth 16 bits (seventh and eighth byte)
// across 256 bit register
forthFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x706u));
filt1Reg = _mm256_load_si256((__m256i const *)filt1_global_avx2);
filt2Reg = _mm256_load_si256((__m256i const *)filt2_global_avx2);
filt3Reg = _mm256_load_si256((__m256i const *)filt3_global_avx2);
filt4Reg = _mm256_load_si256((__m256i const *)filt4_global_avx2);
// multiple the size of the source and destination stride by two
src_stride = src_pixels_per_line << 1;
dst_stride = output_pitch << 1;
for (i = output_height; i > 1; i-=2) {
// load the 2 strides of source
srcReg32b1 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr-3)));
srcReg32b1 = _mm256_inserti128_si256(srcReg32b1,
_mm_loadu_si128((__m128i *)
(src_ptr+src_pixels_per_line-3)), 1);
// filter the source buffer
srcRegFilt32b1_1= _mm256_shuffle_epi8(srcReg32b1, filt1Reg);
srcRegFilt32b2= _mm256_shuffle_epi8(srcReg32b1, filt4Reg);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt32b1_1 = _mm256_maddubs_epi16(srcRegFilt32b1_1, firstFilters);
srcRegFilt32b2 = _mm256_maddubs_epi16(srcRegFilt32b2, forthFilters);
// add and saturate the results together
srcRegFilt32b1_1 = _mm256_adds_epi16(srcRegFilt32b1_1, srcRegFilt32b2);
// filter the source buffer
srcRegFilt32b3= _mm256_shuffle_epi8(srcReg32b1, filt2Reg);
srcRegFilt32b2= _mm256_shuffle_epi8(srcReg32b1, filt3Reg);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt32b3 = _mm256_maddubs_epi16(srcRegFilt32b3, secondFilters);
srcRegFilt32b2 = _mm256_maddubs_epi16(srcRegFilt32b2, thirdFilters);
// add and saturate the results together
srcRegFilt32b1_1 = _mm256_adds_epi16(srcRegFilt32b1_1,
_mm256_min_epi16(srcRegFilt32b3, srcRegFilt32b2));
// reading 2 strides of the next 16 bytes
// (part of it was being read by earlier read)
srcReg32b2 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr+5)));
srcReg32b2 = _mm256_inserti128_si256(srcReg32b2,
_mm_loadu_si128((__m128i *)
(src_ptr+src_pixels_per_line+5)), 1);
// add and saturate the results together
srcRegFilt32b1_1 = _mm256_adds_epi16(srcRegFilt32b1_1,
_mm256_max_epi16(srcRegFilt32b3, srcRegFilt32b2));
// filter the source buffer
srcRegFilt32b2_1 = _mm256_shuffle_epi8(srcReg32b2, filt1Reg);
srcRegFilt32b2 = _mm256_shuffle_epi8(srcReg32b2, filt4Reg);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt32b2_1 = _mm256_maddubs_epi16(srcRegFilt32b2_1, firstFilters);
srcRegFilt32b2 = _mm256_maddubs_epi16(srcRegFilt32b2, forthFilters);
// add and saturate the results together
srcRegFilt32b2_1 = _mm256_adds_epi16(srcRegFilt32b2_1, srcRegFilt32b2);
// filter the source buffer
srcRegFilt32b3= _mm256_shuffle_epi8(srcReg32b2, filt2Reg);
srcRegFilt32b2= _mm256_shuffle_epi8(srcReg32b2, filt3Reg);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt32b3 = _mm256_maddubs_epi16(srcRegFilt32b3, secondFilters);
srcRegFilt32b2 = _mm256_maddubs_epi16(srcRegFilt32b2, thirdFilters);
// add and saturate the results together
srcRegFilt32b2_1 = _mm256_adds_epi16(srcRegFilt32b2_1,
_mm256_min_epi16(srcRegFilt32b3, srcRegFilt32b2));
srcRegFilt32b2_1 = _mm256_adds_epi16(srcRegFilt32b2_1,
_mm256_max_epi16(srcRegFilt32b3, srcRegFilt32b2));
srcRegFilt32b1_1 = _mm256_adds_epi16(srcRegFilt32b1_1, addFilterReg64);
srcRegFilt32b2_1 = _mm256_adds_epi16(srcRegFilt32b2_1, addFilterReg64);
// shift by 7 bit each 16 bit
srcRegFilt32b1_1 = _mm256_srai_epi16(srcRegFilt32b1_1, 7);
srcRegFilt32b2_1 = _mm256_srai_epi16(srcRegFilt32b2_1, 7);
// shrink to 8 bit each 16 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
srcRegFilt32b1_1 = _mm256_packus_epi16(srcRegFilt32b1_1,
srcRegFilt32b2_1);
src_ptr+=src_stride;
// save 16 bytes
_mm_store_si128((__m128i*)output_ptr,
_mm256_castsi256_si128(srcRegFilt32b1_1));
// save the next 16 bits
_mm_store_si128((__m128i*)(output_ptr+output_pitch),
_mm256_extractf128_si256(srcRegFilt32b1_1, 1));
output_ptr+=dst_stride;
}
// if the number of strides is odd.
// process only 16 bytes
if (i > 0) {
__m128i srcReg1, srcReg2, srcRegFilt1_1, srcRegFilt2_1;
__m128i srcRegFilt2, srcRegFilt3;
srcReg1 = _mm_loadu_si128((__m128i *)(src_ptr-3));
// filter the source buffer
srcRegFilt1_1 = _mm_shuffle_epi8(srcReg1,
_mm256_castsi256_si128(filt1Reg));
srcRegFilt2 = _mm_shuffle_epi8(srcReg1,
_mm256_castsi256_si128(filt4Reg));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt1_1 = _mm_maddubs_epi16(srcRegFilt1_1,
_mm256_castsi256_si128(firstFilters));
srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2,
_mm256_castsi256_si128(forthFilters));
// add and saturate the results together
srcRegFilt1_1 = _mm_adds_epi16(srcRegFilt1_1, srcRegFilt2);
// filter the source buffer
srcRegFilt3= _mm_shuffle_epi8(srcReg1,
_mm256_castsi256_si128(filt2Reg));
srcRegFilt2= _mm_shuffle_epi8(srcReg1,
_mm256_castsi256_si128(filt3Reg));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt3 = _mm_maddubs_epi16(srcRegFilt3,
_mm256_castsi256_si128(secondFilters));
srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2,
_mm256_castsi256_si128(thirdFilters));
// add and saturate the results together
srcRegFilt1_1 = _mm_adds_epi16(srcRegFilt1_1,
_mm_min_epi16(srcRegFilt3, srcRegFilt2));
// reading the next 16 bytes
// (part of it was being read by earlier read)
srcReg2 = _mm_loadu_si128((__m128i *)(src_ptr+5));
// add and saturate the results together
srcRegFilt1_1 = _mm_adds_epi16(srcRegFilt1_1,
_mm_max_epi16(srcRegFilt3, srcRegFilt2));
// filter the source buffer
srcRegFilt2_1 = _mm_shuffle_epi8(srcReg2,
_mm256_castsi256_si128(filt1Reg));
srcRegFilt2 = _mm_shuffle_epi8(srcReg2,
_mm256_castsi256_si128(filt4Reg));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt2_1 = _mm_maddubs_epi16(srcRegFilt2_1,
_mm256_castsi256_si128(firstFilters));
srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2,
_mm256_castsi256_si128(forthFilters));
// add and saturate the results together
srcRegFilt2_1 = _mm_adds_epi16(srcRegFilt2_1, srcRegFilt2);
// filter the source buffer
srcRegFilt3 = _mm_shuffle_epi8(srcReg2,
_mm256_castsi256_si128(filt2Reg));
srcRegFilt2 = _mm_shuffle_epi8(srcReg2,
_mm256_castsi256_si128(filt3Reg));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt3 = _mm_maddubs_epi16(srcRegFilt3,
_mm256_castsi256_si128(secondFilters));
srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2,
_mm256_castsi256_si128(thirdFilters));
// add and saturate the results together
srcRegFilt2_1 = _mm_adds_epi16(srcRegFilt2_1,
_mm_min_epi16(srcRegFilt3, srcRegFilt2));
srcRegFilt2_1 = _mm_adds_epi16(srcRegFilt2_1,
_mm_max_epi16(srcRegFilt3, srcRegFilt2));
srcRegFilt1_1 = _mm_adds_epi16(srcRegFilt1_1,
_mm256_castsi256_si128(addFilterReg64));
srcRegFilt2_1 = _mm_adds_epi16(srcRegFilt2_1,
_mm256_castsi256_si128(addFilterReg64));
// shift by 7 bit each 16 bit
srcRegFilt1_1 = _mm_srai_epi16(srcRegFilt1_1, 7);
srcRegFilt2_1 = _mm_srai_epi16(srcRegFilt2_1, 7);
// shrink to 8 bit each 16 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
srcRegFilt1_1 = _mm_packus_epi16(srcRegFilt1_1, srcRegFilt2_1);
// save 16 bytes
_mm_store_si128((__m128i*)output_ptr, srcRegFilt1_1);
}
}
void vp9_filter_block1d16_v8_avx2(unsigned char *src_ptr,
unsigned int src_pitch,
unsigned char *output_ptr,
unsigned int out_pitch,
unsigned int output_height,
int16_t *filter) {
__m128i filtersReg;
__m256i addFilterReg64;
__m256i srcReg32b1, srcReg32b2, srcReg32b3, srcReg32b4, srcReg32b5;
__m256i srcReg32b6, srcReg32b7, srcReg32b8, srcReg32b9, srcReg32b10;
__m256i srcReg32b11, srcReg32b12, srcReg32b13, filtersReg32;
__m256i firstFilters, secondFilters, thirdFilters, forthFilters;
unsigned int i;
unsigned int src_stride, dst_stride;
// create a register with 0,64,0,64,0,64,0,64,0,64,0,64,0,64,0,64
addFilterReg64 = _mm256_set1_epi32((int)0x0400040u);
filtersReg = _mm_loadu_si128((__m128i *)filter);
// converting the 16 bit (short) to 8 bit (byte) and have the
// same data in both lanes of 128 bit register.
filtersReg =_mm_packs_epi16(filtersReg, filtersReg);
// have the same data in both lanes of a 256 bit register
filtersReg32 = MM256_BROADCASTSI128_SI256(filtersReg);
// duplicate only the first 16 bits (first and second byte)
// across 256 bit register
firstFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x100u));
// duplicate only the second 16 bits (third and forth byte)
// across 256 bit register
secondFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x302u));
// duplicate only the third 16 bits (fifth and sixth byte)
// across 256 bit register
thirdFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x504u));
// duplicate only the forth 16 bits (seventh and eighth byte)
// across 256 bit register
forthFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x706u));
// multiple the size of the source and destination stride by two
src_stride = src_pitch << 1;
dst_stride = out_pitch << 1;
// load 16 bytes 7 times in stride of src_pitch
srcReg32b1 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr)));
srcReg32b2 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr+src_pitch)));
srcReg32b3 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr+src_pitch*2)));
srcReg32b4 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr+src_pitch*3)));
srcReg32b5 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr+src_pitch*4)));
srcReg32b6 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr+src_pitch*5)));
srcReg32b7 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr+src_pitch*6)));
// have each consecutive loads on the same 256 register
srcReg32b1 = _mm256_inserti128_si256(srcReg32b1,
_mm256_castsi256_si128(srcReg32b2), 1);
srcReg32b2 = _mm256_inserti128_si256(srcReg32b2,
_mm256_castsi256_si128(srcReg32b3), 1);
srcReg32b3 = _mm256_inserti128_si256(srcReg32b3,
_mm256_castsi256_si128(srcReg32b4), 1);
srcReg32b4 = _mm256_inserti128_si256(srcReg32b4,
_mm256_castsi256_si128(srcReg32b5), 1);
srcReg32b5 = _mm256_inserti128_si256(srcReg32b5,
_mm256_castsi256_si128(srcReg32b6), 1);
srcReg32b6 = _mm256_inserti128_si256(srcReg32b6,
_mm256_castsi256_si128(srcReg32b7), 1);
// merge every two consecutive registers except the last one
srcReg32b10 = _mm256_unpacklo_epi8(srcReg32b1, srcReg32b2);
srcReg32b1 = _mm256_unpackhi_epi8(srcReg32b1, srcReg32b2);
// save
srcReg32b11 = _mm256_unpacklo_epi8(srcReg32b3, srcReg32b4);
// save
srcReg32b3 = _mm256_unpackhi_epi8(srcReg32b3, srcReg32b4);
// save
srcReg32b2 = _mm256_unpacklo_epi8(srcReg32b5, srcReg32b6);
// save
srcReg32b5 = _mm256_unpackhi_epi8(srcReg32b5, srcReg32b6);
for (i = output_height; i > 1; i-=2) {
// load the last 2 loads of 16 bytes and have every two
// consecutive loads in the same 256 bit register
srcReg32b8 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr+src_pitch*7)));
srcReg32b7 = _mm256_inserti128_si256(srcReg32b7,
_mm256_castsi256_si128(srcReg32b8), 1);
srcReg32b9 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(src_ptr+src_pitch*8)));
srcReg32b8 = _mm256_inserti128_si256(srcReg32b8,
_mm256_castsi256_si128(srcReg32b9), 1);
// merge every two consecutive registers
// save
srcReg32b4 = _mm256_unpacklo_epi8(srcReg32b7, srcReg32b8);
srcReg32b7 = _mm256_unpackhi_epi8(srcReg32b7, srcReg32b8);
// multiply 2 adjacent elements with the filter and add the result
srcReg32b10 = _mm256_maddubs_epi16(srcReg32b10, firstFilters);
srcReg32b6 = _mm256_maddubs_epi16(srcReg32b4, forthFilters);
srcReg32b1 = _mm256_maddubs_epi16(srcReg32b1, firstFilters);
srcReg32b8 = _mm256_maddubs_epi16(srcReg32b7, forthFilters);
// add and saturate the results together
srcReg32b10 = _mm256_adds_epi16(srcReg32b10, srcReg32b6);
srcReg32b1 = _mm256_adds_epi16(srcReg32b1, srcReg32b8);
// multiply 2 adjacent elements with the filter and add the result
srcReg32b8 = _mm256_maddubs_epi16(srcReg32b11, secondFilters);
srcReg32b6 = _mm256_maddubs_epi16(srcReg32b3, secondFilters);
// multiply 2 adjacent elements with the filter and add the result
srcReg32b12 = _mm256_maddubs_epi16(srcReg32b2, thirdFilters);
srcReg32b13 = _mm256_maddubs_epi16(srcReg32b5, thirdFilters);
// add and saturate the results together
srcReg32b10 = _mm256_adds_epi16(srcReg32b10,
_mm256_min_epi16(srcReg32b8, srcReg32b12));
srcReg32b1 = _mm256_adds_epi16(srcReg32b1,
_mm256_min_epi16(srcReg32b6, srcReg32b13));
// add and saturate the results together
srcReg32b10 = _mm256_adds_epi16(srcReg32b10,
_mm256_max_epi16(srcReg32b8, srcReg32b12));
srcReg32b1 = _mm256_adds_epi16(srcReg32b1,
_mm256_max_epi16(srcReg32b6, srcReg32b13));
srcReg32b10 = _mm256_adds_epi16(srcReg32b10, addFilterReg64);
srcReg32b1 = _mm256_adds_epi16(srcReg32b1, addFilterReg64);
// shift by 7 bit each 16 bit
srcReg32b10 = _mm256_srai_epi16(srcReg32b10, 7);
srcReg32b1 = _mm256_srai_epi16(srcReg32b1, 7);
// shrink to 8 bit each 16 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
srcReg32b1 = _mm256_packus_epi16(srcReg32b10, srcReg32b1);
src_ptr+=src_stride;
// save 16 bytes
_mm_store_si128((__m128i*)output_ptr,
_mm256_castsi256_si128(srcReg32b1));
// save the next 16 bits
_mm_store_si128((__m128i*)(output_ptr+out_pitch),
_mm256_extractf128_si256(srcReg32b1, 1));
output_ptr+=dst_stride;
// save part of the registers for next strides
srcReg32b10 = srcReg32b11;
srcReg32b1 = srcReg32b3;
srcReg32b11 = srcReg32b2;
srcReg32b3 = srcReg32b5;
srcReg32b2 = srcReg32b4;
srcReg32b5 = srcReg32b7;
srcReg32b7 = srcReg32b9;
}
if (i > 0) {
__m128i srcRegFilt1, srcRegFilt3, srcRegFilt4, srcRegFilt5;
__m128i srcRegFilt6, srcRegFilt7, srcRegFilt8;
// load the last 16 bytes
srcRegFilt8 = _mm_loadu_si128((__m128i *)(src_ptr+src_pitch*7));
// merge the last 2 results together
srcRegFilt4 = _mm_unpacklo_epi8(
_mm256_castsi256_si128(srcReg32b7), srcRegFilt8);
srcRegFilt7 = _mm_unpackhi_epi8(
_mm256_castsi256_si128(srcReg32b7), srcRegFilt8);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt1 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b10),
_mm256_castsi256_si128(firstFilters));
srcRegFilt4 = _mm_maddubs_epi16(srcRegFilt4,
_mm256_castsi256_si128(forthFilters));
srcRegFilt3 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b1),
_mm256_castsi256_si128(firstFilters));
srcRegFilt7 = _mm_maddubs_epi16(srcRegFilt7,
_mm256_castsi256_si128(forthFilters));
// add and saturate the results together
srcRegFilt1 = _mm_adds_epi16(srcRegFilt1, srcRegFilt4);
srcRegFilt3 = _mm_adds_epi16(srcRegFilt3, srcRegFilt7);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt4 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b11),
_mm256_castsi256_si128(secondFilters));
srcRegFilt5 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b3),
_mm256_castsi256_si128(secondFilters));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt6 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b2),
_mm256_castsi256_si128(thirdFilters));
srcRegFilt7 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b5),
_mm256_castsi256_si128(thirdFilters));
// add and saturate the results together
srcRegFilt1 = _mm_adds_epi16(srcRegFilt1,
_mm_min_epi16(srcRegFilt4, srcRegFilt6));
srcRegFilt3 = _mm_adds_epi16(srcRegFilt3,
_mm_min_epi16(srcRegFilt5, srcRegFilt7));
// add and saturate the results together
srcRegFilt1 = _mm_adds_epi16(srcRegFilt1,
_mm_max_epi16(srcRegFilt4, srcRegFilt6));
srcRegFilt3 = _mm_adds_epi16(srcRegFilt3,
_mm_max_epi16(srcRegFilt5, srcRegFilt7));
srcRegFilt1 = _mm_adds_epi16(srcRegFilt1,
_mm256_castsi256_si128(addFilterReg64));
srcRegFilt3 = _mm_adds_epi16(srcRegFilt3,
_mm256_castsi256_si128(addFilterReg64));
// shift by 7 bit each 16 bit
srcRegFilt1 = _mm_srai_epi16(srcRegFilt1, 7);
srcRegFilt3 = _mm_srai_epi16(srcRegFilt3, 7);
// shrink to 8 bit each 16 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
srcRegFilt1 = _mm_packus_epi16(srcRegFilt1, srcRegFilt3);
// save 16 bytes
_mm_store_si128((__m128i*)output_ptr, srcRegFilt1);
}
}