ref: 4e066299d943e2ae8965dcc0f40fa3690f1b89c4
parent: d3a7e677e64f0b8a99b30b522005d7fd657fc257
parent: 217e3cb1fb82e531499325df76276fa54ebccbb7
author: Frank Galligan <[email protected]>
date: Wed Sep 17 14:52:30 EDT 2014
Merge "Improved mb_lpf_horizontal_edge_w_sse2_16() #2"
--- a/vp9/common/x86/vp9_loopfilter_intrin_sse2.c
+++ b/vp9/common/x86/vp9_loopfilter_intrin_sse2.c
@@ -12,6 +12,10 @@
#include "vp9/common/vp9_loopfilter.h"
#include "vpx_ports/emmintrin_compat.h"
+static INLINE __m128i abs_diff(__m128i a, __m128i b) {+ return _mm_or_si128(_mm_subs_epu8(a, b), _mm_subs_epu8(b, a));
+}
+
static void mb_lpf_horizontal_edge_w_sse2_8(unsigned char *s,
int p,
const unsigned char *_blimit,
@@ -46,15 +50,12 @@
{__m128i abs_p1q1, abs_p0q0, abs_q1q0, fe, ff, work;
- abs_p1p0 = _mm_or_si128(_mm_subs_epu8(q1p1, q0p0),
- _mm_subs_epu8(q0p0, q1p1));
+ abs_p1p0 = abs_diff(q1p1, q0p0);
abs_q1q0 = _mm_srli_si128(abs_p1p0, 8);
fe = _mm_set1_epi8(0xfe);
ff = _mm_cmpeq_epi8(abs_p1p0, abs_p1p0);
- abs_p0q0 = _mm_or_si128(_mm_subs_epu8(q0p0, p0q0),
- _mm_subs_epu8(p0q0, q0p0));
- abs_p1q1 = _mm_or_si128(_mm_subs_epu8(q1p1, p1q1),
- _mm_subs_epu8(p1q1, q1p1));
+ abs_p0q0 = abs_diff(q0p0, p0q0);
+ abs_p1q1 = abs_diff(q1p1, p1q1);
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
@@ -68,10 +69,8 @@
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(q2p2, q1p1),
- _mm_subs_epu8(q1p1, q2p2)),
- _mm_or_si128(_mm_subs_epu8(q3p3, q2p2),
- _mm_subs_epu8(q2p2, q3p3)));
+ work = _mm_max_epu8(abs_diff(q2p2, q1p1),
+ abs_diff(q3p3, q2p2));
mask = _mm_max_epu8(work, mask);
mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 8));
mask = _mm_subs_epu8(mask, limit);
@@ -125,10 +124,7 @@
{__m128i work;
- flat = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(q2p2, q0p0),
- _mm_subs_epu8(q0p0, q2p2)),
- _mm_or_si128(_mm_subs_epu8(q3p3, q0p0),
- _mm_subs_epu8(q0p0, q3p3)));
+ flat = _mm_max_epu8(abs_diff(q2p2, q0p0), abs_diff(q3p3, q0p0));
flat = _mm_max_epu8(abs_p1p0, flat);
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8));
flat = _mm_subs_epu8(flat, one);
@@ -142,21 +138,12 @@
q6p6 = _mm_loadl_epi64((__m128i *)(s - 7 * p));
q6p6 = _mm_castps_si128(_mm_loadh_pi(_mm_castsi128_ps(q6p6),
(__m64 *)(s + 6 * p)));
+ flat2 = _mm_max_epu8(abs_diff(q4p4, q0p0), abs_diff(q5p5, q0p0));
- flat2 = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(q4p4, q0p0),
- _mm_subs_epu8(q0p0, q4p4)),
- _mm_or_si128(_mm_subs_epu8(q5p5, q0p0),
- _mm_subs_epu8(q0p0, q5p5)));
-
q7p7 = _mm_loadl_epi64((__m128i *)(s - 8 * p));
q7p7 = _mm_castps_si128(_mm_loadh_pi(_mm_castsi128_ps(q7p7),
(__m64 *)(s + 7 * p)));
-
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(q6p6, q0p0),
- _mm_subs_epu8(q0p0, q6p6)),
- _mm_or_si128(_mm_subs_epu8(q7p7, q0p0),
- _mm_subs_epu8(q0p0, q7p7)));
-
+ work = _mm_max_epu8(abs_diff(q6p6, q0p0), abs_diff(q7p7, q0p0));
flat2 = _mm_max_epu8(work, flat2);
flat2 = _mm_max_epu8(flat2, _mm_srli_si128(flat2, 8));
flat2 = _mm_subs_epu8(flat2, one);
@@ -364,20 +351,34 @@
}
}
+static INLINE __m128i filter_add2_sub2(__m128i total, __m128i a1, __m128i a2,
+ __m128i s1, __m128i s2) {+ total = _mm_add_epi16(a1, total);
+ total = _mm_add_epi16(_mm_sub_epi16(total, _mm_add_epi16(s1, s2)), a2);
+ return total;
+}
+
+static INLINE __m128i filter8_mask(__m128i flat, __m128i other_filt,
+ __m128i f8_lo, __m128i f8_hi) {+ const __m128i f8 = _mm_packus_epi16(_mm_srli_epi16(f8_lo, 3),
+ _mm_srli_epi16(f8_hi, 3));
+ const __m128i result = _mm_and_si128(flat, f8);
+ return _mm_or_si128(_mm_andnot_si128(flat, other_filt), result);
+}
+
+static INLINE __m128i filter16_mask(__m128i flat, __m128i other_filt,
+ __m128i f_lo, __m128i f_hi) {+ const __m128i f = _mm_packus_epi16(_mm_srli_epi16(f_lo, 4),
+ _mm_srli_epi16(f_hi, 4));
+ const __m128i result = _mm_and_si128(flat, f);
+ return _mm_or_si128(_mm_andnot_si128(flat, other_filt), result);
+}
+
static void mb_lpf_horizontal_edge_w_sse2_16(unsigned char *s,
int p,
const unsigned char *_blimit,
const unsigned char *_limit,
const unsigned char *_thresh) {- DECLARE_ALIGNED_ARRAY(16, unsigned char, flat2_op, 7 * 16);
- DECLARE_ALIGNED_ARRAY(16, unsigned char, flat2_oq, 7 * 16);
-
- DECLARE_ALIGNED_ARRAY(16, unsigned char, flat_op, 3 * 16);
- DECLARE_ALIGNED_ARRAY(16, unsigned char, flat_oq, 3 * 16);
-
- DECLARE_ALIGNED_ARRAY(16, unsigned char, ap, 8 * 16);
- DECLARE_ALIGNED_ARRAY(16, unsigned char, aq, 8 * 16);
-
const __m128i zero = _mm_set1_epi16(0);
const __m128i one = _mm_set1_epi8(1);
const __m128i blimit = _mm_load_si128((const __m128i *)_blimit);
@@ -387,8 +388,14 @@
__m128i p7, p6, p5;
__m128i p4, p3, p2, p1, p0, q0, q1, q2, q3, q4;
__m128i q5, q6, q7;
- int i = 0;
+ __m128i op2, op1, op0, oq0, oq1, oq2;
+
+ __m128i max_abs_p1p0q1q0;
+
+ p7 = _mm_loadu_si128((__m128i *)(s - 8 * p));
+ p6 = _mm_loadu_si128((__m128i *)(s - 7 * p));
+ p5 = _mm_loadu_si128((__m128i *)(s - 6 * p));
p4 = _mm_loadu_si128((__m128i *)(s - 5 * p));
p3 = _mm_loadu_si128((__m128i *)(s - 4 * p));
p2 = _mm_loadu_si128((__m128i *)(s - 3 * p));
@@ -399,34 +406,19 @@
q2 = _mm_loadu_si128((__m128i *)(s + 2 * p));
q3 = _mm_loadu_si128((__m128i *)(s + 3 * p));
q4 = _mm_loadu_si128((__m128i *)(s + 4 * p));
+ q5 = _mm_loadu_si128((__m128i *)(s + 5 * p));
+ q6 = _mm_loadu_si128((__m128i *)(s + 6 * p));
+ q7 = _mm_loadu_si128((__m128i *)(s + 7 * p));
- _mm_store_si128((__m128i *)&ap[4 * 16], p4);
- _mm_store_si128((__m128i *)&ap[3 * 16], p3);
- _mm_store_si128((__m128i *)&ap[2 * 16], p2);
- _mm_store_si128((__m128i *)&ap[1 * 16], p1);
- _mm_store_si128((__m128i *)&ap[0 * 16], p0);
- _mm_store_si128((__m128i *)&aq[4 * 16], q4);
- _mm_store_si128((__m128i *)&aq[3 * 16], q3);
- _mm_store_si128((__m128i *)&aq[2 * 16], q2);
- _mm_store_si128((__m128i *)&aq[1 * 16], q1);
- _mm_store_si128((__m128i *)&aq[0 * 16], q0);
-
-
{- const __m128i abs_p1p0 = _mm_or_si128(_mm_subs_epu8(p1, p0),
- _mm_subs_epu8(p0, p1));
- const __m128i abs_q1q0 = _mm_or_si128(_mm_subs_epu8(q1, q0),
- _mm_subs_epu8(q0, q1));
+ const __m128i abs_p1p0 = abs_diff(p1, p0);
+ const __m128i abs_q1q0 = abs_diff(q1, q0);
const __m128i fe = _mm_set1_epi8(0xfe);
- const __m128i ff = _mm_cmpeq_epi8(abs_p1p0, abs_p1p0);
- __m128i abs_p0q0 = _mm_or_si128(_mm_subs_epu8(p0, q0),
- _mm_subs_epu8(q0, p0));
- __m128i abs_p1q1 = _mm_or_si128(_mm_subs_epu8(p1, q1),
- _mm_subs_epu8(q1, p1));
+ const __m128i ff = _mm_cmpeq_epi8(zero, zero);
+ __m128i abs_p0q0 = abs_diff(p0, q0);
+ __m128i abs_p1q1 = abs_diff(p1, q1);
__m128i work;
- flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
- hev = _mm_subs_epu8(flat, thresh);
- hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
+ max_abs_p1p0q1q0 = _mm_max_epu8(abs_p1p0, abs_q1q0);
abs_p0q0 =_mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
@@ -433,25 +425,41 @@
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), blimit);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
- mask = _mm_max_epu8(flat, mask);
+ mask = _mm_max_epu8(max_abs_p1p0q1q0, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(p2, p1),
- _mm_subs_epu8(p1, p2)),
- _mm_or_si128(_mm_subs_epu8(p3, p2),
- _mm_subs_epu8(p2, p3)));
+ work = _mm_max_epu8(abs_diff(p2, p1), abs_diff(p3, p2));
mask = _mm_max_epu8(work, mask);
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(q2, q1),
- _mm_subs_epu8(q1, q2)),
- _mm_or_si128(_mm_subs_epu8(q3, q2),
- _mm_subs_epu8(q2, q3)));
+ work = _mm_max_epu8(abs_diff(q2, q1), abs_diff(q3, q2));
mask = _mm_max_epu8(work, mask);
mask = _mm_subs_epu8(mask, limit);
mask = _mm_cmpeq_epi8(mask, zero);
}
- // lp filter
{+ __m128i work;
+ work = _mm_max_epu8(abs_diff(p2, p0), abs_diff(q2, q0));
+ flat = _mm_max_epu8(work, max_abs_p1p0q1q0);
+ work = _mm_max_epu8(abs_diff(p3, p0), abs_diff(q3, q0));
+ flat = _mm_max_epu8(work, flat);
+ work = _mm_max_epu8(abs_diff(p4, p0), abs_diff(q4, q0));
+ flat = _mm_subs_epu8(flat, one);
+ flat = _mm_cmpeq_epi8(flat, zero);
+ flat = _mm_and_si128(flat, mask);
+ flat2 = _mm_max_epu8(abs_diff(p5, p0), abs_diff(q5, q0));
+ flat2 = _mm_max_epu8(work, flat2);
+ work = _mm_max_epu8(abs_diff(p6, p0), abs_diff(q6, q0));
+ flat2 = _mm_max_epu8(work, flat2);
+ work = _mm_max_epu8(abs_diff(p7, p0), abs_diff(q7, q0));
+ flat2 = _mm_max_epu8(work, flat2);
+ flat2 = _mm_subs_epu8(flat2, one);
+ flat2 = _mm_cmpeq_epi8(flat2, zero);
+ flat2 = _mm_and_si128(flat2, flat); // flat2 & flat & mask
+ }
+
+ // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ // filter4
+ {const __m128i t4 = _mm_set1_epi8(4);
const __m128i t3 = _mm_set1_epi8(3);
const __m128i t80 = _mm_set1_epi8(0x80);
@@ -459,23 +467,27 @@
const __m128i t1f = _mm_set1_epi8(0x1f);
const __m128i t1 = _mm_set1_epi8(0x1);
const __m128i t7f = _mm_set1_epi8(0x7f);
+ const __m128i ff = _mm_cmpeq_epi8(t4, t4);
- __m128i ps1 = _mm_xor_si128(p1, t80);
- __m128i ps0 = _mm_xor_si128(p0, t80);
- __m128i qs0 = _mm_xor_si128(q0, t80);
- __m128i qs1 = _mm_xor_si128(q1, t80);
__m128i filt;
__m128i work_a;
__m128i filter1, filter2;
- filt = _mm_and_si128(_mm_subs_epi8(ps1, qs1), hev);
- work_a = _mm_subs_epi8(qs0, ps0);
+ op1 = _mm_xor_si128(p1, t80);
+ op0 = _mm_xor_si128(p0, t80);
+ oq0 = _mm_xor_si128(q0, t80);
+ oq1 = _mm_xor_si128(q1, t80);
+
+ hev = _mm_subs_epu8(max_abs_p1p0q1q0, thresh);
+ hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
+ filt = _mm_and_si128(_mm_subs_epi8(op1, oq1), hev);
+
+ work_a = _mm_subs_epi8(oq0, op0);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
// (vp9_filter + 3 * (qs0 - ps0)) & mask
filt = _mm_and_si128(filt, mask);
-
filter1 = _mm_adds_epi8(filt, t4);
filter2 = _mm_adds_epi8(filt, t3);
@@ -485,7 +497,7 @@
work_a = _mm_and_si128(work_a, te0);
filter1 = _mm_and_si128(filter1, t1f);
filter1 = _mm_or_si128(filter1, work_a);
- qs0 = _mm_xor_si128(_mm_subs_epi8(qs0, filter1), t80);
+ oq0 = _mm_xor_si128(_mm_subs_epi8(oq0, filter1), t80);
// Filter2 >> 3
work_a = _mm_cmpgt_epi8(zero, filter2);
@@ -493,7 +505,7 @@
work_a = _mm_and_si128(work_a, te0);
filter2 = _mm_and_si128(filter2, t1f);
filter2 = _mm_or_si128(filter2, work_a);
- ps0 = _mm_xor_si128(_mm_adds_epi8(ps0, filter2), t80);
+ op0 = _mm_xor_si128(_mm_adds_epi8(op0, filter2), t80);
// filt >> 1
filt = _mm_adds_epi8(filter1, t1);
@@ -503,345 +515,195 @@
filt = _mm_and_si128(filt, t7f);
filt = _mm_or_si128(filt, work_a);
filt = _mm_andnot_si128(hev, filt);
- ps1 = _mm_xor_si128(_mm_adds_epi8(ps1, filt), t80);
- qs1 = _mm_xor_si128(_mm_subs_epi8(qs1, filt), t80);
+ op1 = _mm_xor_si128(_mm_adds_epi8(op1, filt), t80);
+ oq1 = _mm_xor_si128(_mm_subs_epi8(oq1, filt), t80);
// loopfilter done
- {- __m128i work;
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(p2, p0),
- _mm_subs_epu8(p0, p2)),
- _mm_or_si128(_mm_subs_epu8(q2, q0),
- _mm_subs_epu8(q0, q2)));
- flat = _mm_max_epu8(work, flat);
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(p3, p0),
- _mm_subs_epu8(p0, p3)),
- _mm_or_si128(_mm_subs_epu8(q3, q0),
- _mm_subs_epu8(q0, q3)));
- flat = _mm_max_epu8(work, flat);
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(p4, p0),
- _mm_subs_epu8(p0, p4)),
- _mm_or_si128(_mm_subs_epu8(q4, q0),
- _mm_subs_epu8(q0, q4)));
- flat = _mm_subs_epu8(flat, one);
- flat = _mm_cmpeq_epi8(flat, zero);
- flat = _mm_and_si128(flat, mask);
-
- p5 = _mm_loadu_si128((__m128i *)(s - 6 * p));
- q5 = _mm_loadu_si128((__m128i *)(s + 5 * p));
- flat2 = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(p5, p0),
- _mm_subs_epu8(p0, p5)),
- _mm_or_si128(_mm_subs_epu8(q5, q0),
- _mm_subs_epu8(q0, q5)));
- _mm_store_si128((__m128i *)&ap[5 * 16], p5);
- _mm_store_si128((__m128i *)&aq[5 * 16], q5);
- flat2 = _mm_max_epu8(work, flat2);
- p6 = _mm_loadu_si128((__m128i *)(s - 7 * p));
- q6 = _mm_loadu_si128((__m128i *)(s + 6 * p));
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(p6, p0),
- _mm_subs_epu8(p0, p6)),
- _mm_or_si128(_mm_subs_epu8(q6, q0),
- _mm_subs_epu8(q0, q6)));
- _mm_store_si128((__m128i *)&ap[6 * 16], p6);
- _mm_store_si128((__m128i *)&aq[6 * 16], q6);
- flat2 = _mm_max_epu8(work, flat2);
-
- p7 = _mm_loadu_si128((__m128i *)(s - 8 * p));
- q7 = _mm_loadu_si128((__m128i *)(s + 7 * p));
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(p7, p0),
- _mm_subs_epu8(p0, p7)),
- _mm_or_si128(_mm_subs_epu8(q7, q0),
- _mm_subs_epu8(q0, q7)));
- _mm_store_si128((__m128i *)&ap[7 * 16], p7);
- _mm_store_si128((__m128i *)&aq[7 * 16], q7);
- flat2 = _mm_max_epu8(work, flat2);
- flat2 = _mm_subs_epu8(flat2, one);
- flat2 = _mm_cmpeq_epi8(flat2, zero);
- flat2 = _mm_and_si128(flat2, flat); // flat2 & flat & mask
- }
-
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- // flat and wide flat calculations
+ // filter8
{- const __m128i eight = _mm_set1_epi16(8);
const __m128i four = _mm_set1_epi16(4);
- __m128i temp_flat2 = flat2;
- unsigned char *src = s;
- int i = 0;
- do {- __m128i workp_shft;
- __m128i a, b, c;
+ const __m128i p3_lo = _mm_unpacklo_epi8(p3, zero);
+ const __m128i p2_lo = _mm_unpacklo_epi8(p2, zero);
+ const __m128i p1_lo = _mm_unpacklo_epi8(p1, zero);
+ const __m128i p0_lo = _mm_unpacklo_epi8(p0, zero);
+ const __m128i q0_lo = _mm_unpacklo_epi8(q0, zero);
+ const __m128i q1_lo = _mm_unpacklo_epi8(q1, zero);
+ const __m128i q2_lo = _mm_unpacklo_epi8(q2, zero);
+ const __m128i q3_lo = _mm_unpacklo_epi8(q3, zero);
- unsigned int off = i * 8;
- p7 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&ap[7 * 16] + off)),
- zero);
- p6 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&ap[6 * 16] + off)),
- zero);
- p5 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&ap[5 * 16] + off)),
- zero);
- p4 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&ap[4 * 16] + off)),
- zero);
- p3 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&ap[3 * 16] + off)),
- zero);
- p2 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&ap[2 * 16] + off)),
- zero);
- p1 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&ap[1 * 16] + off)),
- zero);
- p0 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&ap[0 * 16] + off)),
- zero);
- q0 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&aq[0 * 16] + off)),
- zero);
- q1 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&aq[1 * 16] + off)),
- zero);
- q2 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&aq[2 * 16] + off)),
- zero);
- q3 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&aq[3 * 16] + off)),
- zero);
- q4 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&aq[4 * 16] + off)),
- zero);
- q5 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&aq[5 * 16] + off)),
- zero);
- q6 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&aq[6 * 16] + off)),
- zero);
- q7 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(&aq[7 * 16] + off)),
- zero);
+ const __m128i p3_hi = _mm_unpackhi_epi8(p3, zero);
+ const __m128i p2_hi = _mm_unpackhi_epi8(p2, zero);
+ const __m128i p1_hi = _mm_unpackhi_epi8(p1, zero);
+ const __m128i p0_hi = _mm_unpackhi_epi8(p0, zero);
+ const __m128i q0_hi = _mm_unpackhi_epi8(q0, zero);
+ const __m128i q1_hi = _mm_unpackhi_epi8(q1, zero);
+ const __m128i q2_hi = _mm_unpackhi_epi8(q2, zero);
+ const __m128i q3_hi = _mm_unpackhi_epi8(q3, zero);
+ __m128i f8_lo, f8_hi;
- c = _mm_sub_epi16(_mm_slli_epi16(p7, 3), p7); // p7 * 7
- c = _mm_add_epi16(_mm_slli_epi16(p6, 1), _mm_add_epi16(p4, c));
+ f8_lo = _mm_add_epi16(_mm_add_epi16(p3_lo, four),
+ _mm_add_epi16(p3_lo, p2_lo));
+ f8_lo = _mm_add_epi16(_mm_add_epi16(p3_lo, f8_lo),
+ _mm_add_epi16(p2_lo, p1_lo));
+ f8_lo = _mm_add_epi16(_mm_add_epi16(p0_lo, q0_lo), f8_lo);
- b = _mm_add_epi16(_mm_add_epi16(p3, four), _mm_add_epi16(p3, p2));
- a = _mm_add_epi16(p3, _mm_add_epi16(p2, p1));
- a = _mm_add_epi16(_mm_add_epi16(p0, q0), a);
+ f8_hi = _mm_add_epi16(_mm_add_epi16(p3_hi, four),
+ _mm_add_epi16(p3_hi, p2_hi));
+ f8_hi = _mm_add_epi16(_mm_add_epi16(p3_hi, f8_hi),
+ _mm_add_epi16(p2_hi, p1_hi));
+ f8_hi = _mm_add_epi16(_mm_add_epi16(p0_hi, q0_hi), f8_hi);
- _mm_storel_epi64((__m128i *)&flat_op[2 * 16 + i * 8],
- _mm_packus_epi16(_mm_srli_epi16(_mm_add_epi16(a, b), 3)
- , b));
+ op2 = filter8_mask(flat, p2, f8_lo, f8_hi);
- c = _mm_add_epi16(_mm_add_epi16(p5, eight), c);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_op[6 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f8_lo = filter_add2_sub2(f8_lo, q1_lo, p1_lo, p2_lo, p3_lo);
+ f8_hi = filter_add2_sub2(f8_hi, q1_hi, p1_hi, p2_hi, p3_hi);
+ op1 = filter8_mask(flat, op1, f8_lo, f8_hi);
- a = _mm_add_epi16(q1, a);
- b = _mm_add_epi16(_mm_sub_epi16(b, _mm_add_epi16(p3, p2)), p1);
- _mm_storel_epi64((__m128i *)&flat_op[1 * 16 + i * 8],
- _mm_packus_epi16(_mm_srli_epi16(_mm_add_epi16(a, b), 3)
- , b));
+ f8_lo = filter_add2_sub2(f8_lo, q2_lo, p0_lo, p1_lo, p3_lo);
+ f8_hi = filter_add2_sub2(f8_hi, q2_hi, p0_hi, p1_hi, p3_hi);
+ op0 = filter8_mask(flat, op0, f8_lo, f8_hi);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p7, p6)), p5);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_op[5 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f8_lo = filter_add2_sub2(f8_lo, q3_lo, q0_lo, p0_lo, p3_lo);
+ f8_hi = filter_add2_sub2(f8_hi, q3_hi, q0_hi, p0_hi, p3_hi);
+ oq0 = filter8_mask(flat, oq0, f8_lo, f8_hi);
- a = _mm_add_epi16(q2, a);
- b = _mm_add_epi16(_mm_sub_epi16(b, _mm_add_epi16(p3, p1)), p0);
- _mm_storel_epi64((__m128i *)&flat_op[i * 8],
- _mm_packus_epi16(_mm_srli_epi16(_mm_add_epi16(a, b), 3)
- , b));
+ f8_lo = filter_add2_sub2(f8_lo, q3_lo, q1_lo, q0_lo, p2_lo);
+ f8_hi = filter_add2_sub2(f8_hi, q3_hi, q1_hi, q0_hi, p2_hi);
+ oq1 = filter8_mask(flat, oq1, f8_lo, f8_hi);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p7, p5)), p4);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_op[4 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f8_lo = filter_add2_sub2(f8_lo, q3_lo, q2_lo, q1_lo, p1_lo);
+ f8_hi = filter_add2_sub2(f8_hi, q3_hi, q2_hi, q1_hi, p1_hi);
+ oq2 = filter8_mask(flat, q2, f8_lo, f8_hi);
+ }
- a = _mm_add_epi16(q3, a);
- b = _mm_add_epi16(_mm_sub_epi16(b, _mm_add_epi16(p3, p0)), q0);
- _mm_storel_epi64((__m128i *)&flat_oq[i * 8],
- _mm_packus_epi16(_mm_srli_epi16(_mm_add_epi16(a, b), 3)
- , b));
+ // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ // wide flat calculations
+ {+ const __m128i eight = _mm_set1_epi16(8);
+ const __m128i p7_lo = _mm_unpacklo_epi8(p7, zero);
+ const __m128i p6_lo = _mm_unpacklo_epi8(p6, zero);
+ const __m128i p5_lo = _mm_unpacklo_epi8(p5, zero);
+ const __m128i p4_lo = _mm_unpacklo_epi8(p4, zero);
+ const __m128i p3_lo = _mm_unpacklo_epi8(p3, zero);
+ const __m128i p2_lo = _mm_unpacklo_epi8(p2, zero);
+ const __m128i p1_lo = _mm_unpacklo_epi8(p1, zero);
+ const __m128i p0_lo = _mm_unpacklo_epi8(p0, zero);
+ const __m128i q0_lo = _mm_unpacklo_epi8(q0, zero);
+ const __m128i q1_lo = _mm_unpacklo_epi8(q1, zero);
+ const __m128i q2_lo = _mm_unpacklo_epi8(q2, zero);
+ const __m128i q3_lo = _mm_unpacklo_epi8(q3, zero);
+ const __m128i q4_lo = _mm_unpacklo_epi8(q4, zero);
+ const __m128i q5_lo = _mm_unpacklo_epi8(q5, zero);
+ const __m128i q6_lo = _mm_unpacklo_epi8(q6, zero);
+ const __m128i q7_lo = _mm_unpacklo_epi8(q7, zero);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p7, p4)), p3);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_op[3 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ const __m128i p7_hi = _mm_unpackhi_epi8(p7, zero);
+ const __m128i p6_hi = _mm_unpackhi_epi8(p6, zero);
+ const __m128i p5_hi = _mm_unpackhi_epi8(p5, zero);
+ const __m128i p4_hi = _mm_unpackhi_epi8(p4, zero);
+ const __m128i p3_hi = _mm_unpackhi_epi8(p3, zero);
+ const __m128i p2_hi = _mm_unpackhi_epi8(p2, zero);
+ const __m128i p1_hi = _mm_unpackhi_epi8(p1, zero);
+ const __m128i p0_hi = _mm_unpackhi_epi8(p0, zero);
+ const __m128i q0_hi = _mm_unpackhi_epi8(q0, zero);
+ const __m128i q1_hi = _mm_unpackhi_epi8(q1, zero);
+ const __m128i q2_hi = _mm_unpackhi_epi8(q2, zero);
+ const __m128i q3_hi = _mm_unpackhi_epi8(q3, zero);
+ const __m128i q4_hi = _mm_unpackhi_epi8(q4, zero);
+ const __m128i q5_hi = _mm_unpackhi_epi8(q5, zero);
+ const __m128i q6_hi = _mm_unpackhi_epi8(q6, zero);
+ const __m128i q7_hi = _mm_unpackhi_epi8(q7, zero);
- b = _mm_add_epi16(q3, b);
- b = _mm_add_epi16(_mm_sub_epi16(b, _mm_add_epi16(p2, q0)), q1);
- _mm_storel_epi64((__m128i *)&flat_oq[16 + i * 8],
- _mm_packus_epi16(_mm_srli_epi16(_mm_add_epi16(a, b), 3)
- , b));
+ __m128i f_lo;
+ __m128i f_hi;
- c = _mm_add_epi16(q4, c);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p7, p3)), p2);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_op[2 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f_lo = _mm_sub_epi16(_mm_slli_epi16(p7_lo, 3), p7_lo); // p7 * 7
+ f_lo = _mm_add_epi16(_mm_slli_epi16(p6_lo, 1),
+ _mm_add_epi16(p4_lo, f_lo));
+ f_lo = _mm_add_epi16(_mm_add_epi16(p3_lo, f_lo),
+ _mm_add_epi16(p2_lo, p1_lo));
+ f_lo = _mm_add_epi16(_mm_add_epi16(p0_lo, q0_lo), f_lo);
+ f_lo = _mm_add_epi16(_mm_add_epi16(p5_lo, eight), f_lo);
- b = _mm_add_epi16(q3, b);
- b = _mm_add_epi16(_mm_sub_epi16(b, _mm_add_epi16(p1, q1)), q2);
- _mm_storel_epi64((__m128i *)&flat_oq[2 * 16 + i * 8],
- _mm_packus_epi16(_mm_srli_epi16(_mm_add_epi16(a, b), 3)
- , b));
- a = _mm_add_epi16(q5, a);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p7, p2)), p1);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_op[16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f_hi = _mm_sub_epi16(_mm_slli_epi16(p7_hi, 3), p7_hi); // p7 * 7
+ f_hi = _mm_add_epi16(_mm_slli_epi16(p6_hi, 1),
+ _mm_add_epi16(p4_hi, f_hi));
+ f_hi = _mm_add_epi16(_mm_add_epi16(p3_hi, f_hi),
+ _mm_add_epi16(p2_hi, p1_hi));
+ f_hi = _mm_add_epi16(_mm_add_epi16(p0_hi, q0_hi), f_hi);
+ f_hi = _mm_add_epi16(_mm_add_epi16(p5_hi, eight), f_hi);
- a = _mm_add_epi16(q6, a);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p7, p1)), p0);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_op[i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ p6 = filter16_mask(flat2, p6, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s - 7 * p), p6);
- a = _mm_add_epi16(q7, a);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p7, p0)), q0);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_oq[i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f_lo = filter_add2_sub2(f_lo, q1_lo, p5_lo, p6_lo, p7_lo);
+ f_hi = filter_add2_sub2(f_hi, q1_hi, p5_hi, p6_hi, p7_hi);
+ p5 = filter16_mask(flat2, p5, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s - 6 * p), p5);
- a = _mm_add_epi16(q7, a);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p6, q0)), q1);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_oq[16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f_lo = filter_add2_sub2(f_lo, q2_lo, p4_lo, p5_lo, p7_lo);
+ f_hi = filter_add2_sub2(f_hi, q2_hi, p4_hi, p5_hi, p7_hi);
+ p4 = filter16_mask(flat2, p4, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s - 5 * p), p4);
- a = _mm_add_epi16(q7, a);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p5, q1)), q2);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_oq[2 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f_lo = filter_add2_sub2(f_lo, q3_lo, p3_lo, p4_lo, p7_lo);
+ f_hi = filter_add2_sub2(f_hi, q3_hi, p3_hi, p4_hi, p7_hi);
+ p3 = filter16_mask(flat2, p3, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s - 4 * p), p3);
- a = _mm_add_epi16(q7, a);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p4, q2)), q3);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_oq[3 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f_lo = filter_add2_sub2(f_lo, q4_lo, p2_lo, p3_lo, p7_lo);
+ f_hi = filter_add2_sub2(f_hi, q4_hi, p2_hi, p3_hi, p7_hi);
+ op2 = filter16_mask(flat2, op2, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s - 3 * p), op2);
- a = _mm_add_epi16(q7, a);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p3, q3)), q4);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_oq[4 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f_lo = filter_add2_sub2(f_lo, q5_lo, p1_lo, p2_lo, p7_lo);
+ f_hi = filter_add2_sub2(f_hi, q5_hi, p1_hi, p2_hi, p7_hi);
+ op1 = filter16_mask(flat2, op1, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s - 2 * p), op1);
- a = _mm_add_epi16(q7, a);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p2, q4)), q5);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_oq[5 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f_lo = filter_add2_sub2(f_lo, q6_lo, p0_lo, p1_lo, p7_lo);
+ f_hi = filter_add2_sub2(f_hi, q6_hi, p0_hi, p1_hi, p7_hi);
+ op0 = filter16_mask(flat2, op0, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s - 1 * p), op0);
- a = _mm_add_epi16(q7, a);
- c = _mm_add_epi16(_mm_sub_epi16(c, _mm_add_epi16(p1, q5)), q6);
- workp_shft = _mm_srli_epi16(_mm_add_epi16(a, c), 4);
- _mm_storel_epi64((__m128i *)&flat2_oq[6 * 16 + i * 8],
- _mm_packus_epi16(workp_shft, workp_shft));
+ f_lo = filter_add2_sub2(f_lo, q7_lo, q0_lo, p0_lo, p7_lo);
+ f_hi = filter_add2_sub2(f_hi, q7_hi, q0_hi, p0_hi, p7_hi);
+ oq0 = filter16_mask(flat2, oq0, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s - 0 * p), oq0);
- temp_flat2 = _mm_srli_si128(temp_flat2, 8);
- src += 8;
- } while (++i < 2);
- }
- // wide flat
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ f_lo = filter_add2_sub2(f_lo, q7_lo, q1_lo, p6_lo, q0_lo);
+ f_hi = filter_add2_sub2(f_hi, q7_hi, q1_hi, p6_hi, q0_hi);
+ oq1 = filter16_mask(flat2, oq1, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s + 1 * p), oq1);
- work_a = _mm_load_si128((__m128i *)&ap[2 * 16]);
- p2 = _mm_load_si128((__m128i *)&flat_op[2 * 16]);
- work_a = _mm_andnot_si128(flat, work_a);
- p2 = _mm_and_si128(flat, p2);
- p2 = _mm_or_si128(work_a, p2);
- _mm_store_si128((__m128i *)&flat_op[2 * 16], p2);
+ f_lo = filter_add2_sub2(f_lo, q7_lo, q2_lo, p5_lo, q1_lo);
+ f_hi = filter_add2_sub2(f_hi, q7_hi, q2_hi, p5_hi, q1_hi);
+ oq2 = filter16_mask(flat2, oq2, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s + 2 * p), oq2);
- p1 = _mm_load_si128((__m128i *)&flat_op[1 * 16]);
- work_a = _mm_andnot_si128(flat, ps1);
- p1 = _mm_and_si128(flat, p1);
- p1 = _mm_or_si128(work_a, p1);
- _mm_store_si128((__m128i *)&flat_op[1 * 16], p1);
+ f_lo = filter_add2_sub2(f_lo, q7_lo, q3_lo, p4_lo, q2_lo);
+ f_hi = filter_add2_sub2(f_hi, q7_hi, q3_hi, p4_hi, q2_hi);
+ q3 = filter16_mask(flat2, q3, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s + 3 * p), q3);
- p0 = _mm_load_si128((__m128i *)&flat_op[0]);
- work_a = _mm_andnot_si128(flat, ps0);
- p0 = _mm_and_si128(flat, p0);
- p0 = _mm_or_si128(work_a, p0);
- _mm_store_si128((__m128i *)&flat_op[0], p0);
+ f_lo = filter_add2_sub2(f_lo, q7_lo, q4_lo, p3_lo, q3_lo);
+ f_hi = filter_add2_sub2(f_hi, q7_hi, q4_hi, p3_hi, q3_hi);
+ q4 = filter16_mask(flat2, q4, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s + 4 * p), q4);
- q0 = _mm_load_si128((__m128i *)&flat_oq[0]);
- work_a = _mm_andnot_si128(flat, qs0);
- q0 = _mm_and_si128(flat, q0);
- q0 = _mm_or_si128(work_a, q0);
- _mm_store_si128((__m128i *)&flat_oq[0], q0);
+ f_lo = filter_add2_sub2(f_lo, q7_lo, q5_lo, p2_lo, q4_lo);
+ f_hi = filter_add2_sub2(f_hi, q7_hi, q5_hi, p2_hi, q4_hi);
+ q5 = filter16_mask(flat2, q5, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s + 5 * p), q5);
- q1 = _mm_load_si128((__m128i *)&flat_oq[1 * 16]);
- work_a = _mm_andnot_si128(flat, qs1);
- q1 = _mm_and_si128(flat, q1);
- q1 = _mm_or_si128(work_a, q1);
- _mm_store_si128((__m128i *)&flat_oq[1 * 16], q1);
-
- work_a = _mm_load_si128((__m128i *)&aq[2 * 16]);
- q2 = _mm_load_si128((__m128i *)&flat_oq[2 * 16]);
- work_a = _mm_andnot_si128(flat, work_a);
- q2 = _mm_and_si128(flat, q2);
- q2 = _mm_or_si128(work_a, q2);
- _mm_store_si128((__m128i *)&flat_oq[2 * 16], q2);
-
- // write out op6 - op3
- {- unsigned char *dst = (s - 7 * p);
- for (i = 6; i > 2; i--) {- __m128i flat2_output;
- work_a = _mm_load_si128((__m128i *)&ap[i * 16]);
- flat2_output = _mm_load_si128((__m128i *)&flat2_op[i * 16]);
- work_a = _mm_andnot_si128(flat2, work_a);
- flat2_output = _mm_and_si128(flat2, flat2_output);
- work_a = _mm_or_si128(work_a, flat2_output);
- _mm_storeu_si128((__m128i *)dst, work_a);
- dst += p;
- }
+ f_lo = filter_add2_sub2(f_lo, q7_lo, q6_lo, p1_lo, q5_lo);
+ f_hi = filter_add2_sub2(f_hi, q7_hi, q6_hi, p1_hi, q5_hi);
+ q6 = filter16_mask(flat2, q6, f_lo, f_hi);
+ _mm_storeu_si128((__m128i *)(s + 6 * p), q6);
}
-
- work_a = _mm_load_si128((__m128i *)&flat_op[2 * 16]);
- p2 = _mm_load_si128((__m128i *)&flat2_op[2 * 16]);
- work_a = _mm_andnot_si128(flat2, work_a);
- p2 = _mm_and_si128(flat2, p2);
- p2 = _mm_or_si128(work_a, p2);
- _mm_storeu_si128((__m128i *)(s - 3 * p), p2);
-
- work_a = _mm_load_si128((__m128i *)&flat_op[1 * 16]);
- p1 = _mm_load_si128((__m128i *)&flat2_op[1 * 16]);
- work_a = _mm_andnot_si128(flat2, work_a);
- p1 = _mm_and_si128(flat2, p1);
- p1 = _mm_or_si128(work_a, p1);
- _mm_storeu_si128((__m128i *)(s - 2 * p), p1);
-
- work_a = _mm_load_si128((__m128i *)&flat_op[0]);
- p0 = _mm_load_si128((__m128i *)&flat2_op[0]);
- work_a = _mm_andnot_si128(flat2, work_a);
- p0 = _mm_and_si128(flat2, p0);
- p0 = _mm_or_si128(work_a, p0);
- _mm_storeu_si128((__m128i *)(s - 1 * p), p0);
-
- work_a = _mm_load_si128((__m128i *)&flat_oq[0]);
- q0 = _mm_load_si128((__m128i *)&flat2_oq[0]);
- work_a = _mm_andnot_si128(flat2, work_a);
- q0 = _mm_and_si128(flat2, q0);
- q0 = _mm_or_si128(work_a, q0);
- _mm_storeu_si128((__m128i *)(s - 0 * p), q0);
-
- work_a = _mm_load_si128((__m128i *)&flat_oq[1 * 16]);
- q1 = _mm_load_si128((__m128i *)&flat2_oq[16]);
- work_a = _mm_andnot_si128(flat2, work_a);
- q1 = _mm_and_si128(flat2, q1);
- q1 = _mm_or_si128(work_a, q1);
- _mm_storeu_si128((__m128i *)(s + 1 * p), q1);
-
- work_a = _mm_load_si128((__m128i *)&flat_oq[2 * 16]);
- q2 = _mm_load_si128((__m128i *)&flat2_oq[2 * 16]);
- work_a = _mm_andnot_si128(flat2, work_a);
- q2 = _mm_and_si128(flat2, q2);
- q2 = _mm_or_si128(work_a, q2);
- _mm_storeu_si128((__m128i *)(s + 2 * p), q2);
-
- // write out oq3 - oq7
- {- unsigned char *dst = (s + 3 * p);
- for (i = 3; i < 7; i++) {- __m128i flat2_output;
- work_a = _mm_load_si128((__m128i *)&aq[i * 16]);
- flat2_output = _mm_load_si128((__m128i *)&flat2_oq[i * 16]);
- work_a = _mm_andnot_si128(flat2, work_a);
- flat2_output = _mm_and_si128(flat2, flat2_output);
- work_a = _mm_or_si128(work_a, flat2_output);
- _mm_storeu_si128((__m128i *)dst, work_a);
- dst += p;
- }
- }
+ // wide flat
+ // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
}
}
@@ -893,14 +755,11 @@
const __m128i fe = _mm_set1_epi8(0xfe);
const __m128i ff = _mm_cmpeq_epi8(fe, fe);
__m128i abs_p1q1, abs_p0q0, abs_q1q0, abs_p1p0, work;
- abs_p1p0 = _mm_or_si128(_mm_subs_epu8(q1p1, q0p0),
- _mm_subs_epu8(q0p0, q1p1));
+ abs_p1p0 = abs_diff(q1p1, q0p0);
abs_q1q0 = _mm_srli_si128(abs_p1p0, 8);
- abs_p0q0 = _mm_or_si128(_mm_subs_epu8(q0p0, p0q0),
- _mm_subs_epu8(p0q0, q0p0));
- abs_p1q1 = _mm_or_si128(_mm_subs_epu8(q1p1, p1q1),
- _mm_subs_epu8(p1q1, q1p1));
+ abs_p0q0 = abs_diff(q0p0, p0q0);
+ abs_p1q1 = abs_diff(q1p1, p1q1);
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
@@ -914,10 +773,8 @@
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
- work = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(q2p2, q1p1),
- _mm_subs_epu8(q1p1, q2p2)),
- _mm_or_si128(_mm_subs_epu8(q3p3, q2p2),
- _mm_subs_epu8(q2p2, q3p3)));
+ work = _mm_max_epu8(abs_diff(q2p2, q1p1),
+ abs_diff(q3p3, q2p2));
mask = _mm_max_epu8(work, mask);
mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 8));
mask = _mm_subs_epu8(mask, limit);
@@ -925,10 +782,8 @@
// flat_mask4
- flat = _mm_max_epu8(_mm_or_si128(_mm_subs_epu8(q2p2, q0p0),
- _mm_subs_epu8(q0p0, q2p2)),
- _mm_or_si128(_mm_subs_epu8(q3p3, q0p0),
- _mm_subs_epu8(q0p0, q3p3)));
+ flat = _mm_max_epu8(abs_diff(q2p2, q0p0),
+ abs_diff(q3p3, q0p0));
flat = _mm_max_epu8(abs_p1p0, flat);
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8));
flat = _mm_subs_epu8(flat, one);