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Unified Diff: third_party/libwebp/dsp/enc_sse2.c

Issue 2149863002: libwebp: update to v0.5.1 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 5 months ago
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Index: third_party/libwebp/dsp/enc_sse2.c
diff --git a/third_party/libwebp/dsp/enc_sse2.c b/third_party/libwebp/dsp/enc_sse2.c
index 2333d2b0f46cee291cd1184f3c9d6a96f645404a..4a2e3ce14f8d390de9f7b4b5e027a80c1631fc03 100644
--- a/third_party/libwebp/dsp/enc_sse2.c
+++ b/third_party/libwebp/dsp/enc_sse2.c
@@ -17,39 +17,11 @@
#include <stdlib.h> // for abs()
#include <emmintrin.h>
+#include "./common_sse2.h"
#include "../enc/cost.h"
#include "../enc/vp8enci.h"
//------------------------------------------------------------------------------
-// Quite useful macro for debugging. Left here for convenience.
-
-#if 0
-#include <stdio.h>
-static void PrintReg(const __m128i r, const char* const name, int size) {
- int n;
- union {
- __m128i r;
- uint8_t i8[16];
- uint16_t i16[8];
- uint32_t i32[4];
- uint64_t i64[2];
- } tmp;
- tmp.r = r;
- fprintf(stderr, "%s\t: ", name);
- if (size == 8) {
- for (n = 0; n < 16; ++n) fprintf(stderr, "%.2x ", tmp.i8[n]);
- } else if (size == 16) {
- for (n = 0; n < 8; ++n) fprintf(stderr, "%.4x ", tmp.i16[n]);
- } else if (size == 32) {
- for (n = 0; n < 4; ++n) fprintf(stderr, "%.8x ", tmp.i32[n]);
- } else {
- for (n = 0; n < 2; ++n) fprintf(stderr, "%.16lx ", tmp.i64[n]);
- }
- fprintf(stderr, "\n");
-}
-#endif
-
-//------------------------------------------------------------------------------
// Transforms (Paragraph 14.4)
// Does one or two inverse transforms.
@@ -131,34 +103,7 @@ static void ITransform(const uint8_t* ref, const int16_t* in, uint8_t* dst,
const __m128i tmp3 = _mm_sub_epi16(a, d);
// Transpose the two 4x4.
- // a00 a01 a02 a03 b00 b01 b02 b03
- // a10 a11 a12 a13 b10 b11 b12 b13
- // a20 a21 a22 a23 b20 b21 b22 b23
- // a30 a31 a32 a33 b30 b31 b32 b33
- const __m128i transpose0_0 = _mm_unpacklo_epi16(tmp0, tmp1);
- const __m128i transpose0_1 = _mm_unpacklo_epi16(tmp2, tmp3);
- const __m128i transpose0_2 = _mm_unpackhi_epi16(tmp0, tmp1);
- const __m128i transpose0_3 = _mm_unpackhi_epi16(tmp2, tmp3);
- // a00 a10 a01 a11 a02 a12 a03 a13
- // a20 a30 a21 a31 a22 a32 a23 a33
- // b00 b10 b01 b11 b02 b12 b03 b13
- // b20 b30 b21 b31 b22 b32 b23 b33
- const __m128i transpose1_0 = _mm_unpacklo_epi32(transpose0_0, transpose0_1);
- const __m128i transpose1_1 = _mm_unpacklo_epi32(transpose0_2, transpose0_3);
- const __m128i transpose1_2 = _mm_unpackhi_epi32(transpose0_0, transpose0_1);
- const __m128i transpose1_3 = _mm_unpackhi_epi32(transpose0_2, transpose0_3);
- // a00 a10 a20 a30 a01 a11 a21 a31
- // b00 b10 b20 b30 b01 b11 b21 b31
- // a02 a12 a22 a32 a03 a13 a23 a33
- // b02 b12 a22 b32 b03 b13 b23 b33
- T0 = _mm_unpacklo_epi64(transpose1_0, transpose1_1);
- T1 = _mm_unpackhi_epi64(transpose1_0, transpose1_1);
- T2 = _mm_unpacklo_epi64(transpose1_2, transpose1_3);
- T3 = _mm_unpackhi_epi64(transpose1_2, transpose1_3);
- // a00 a10 a20 a30 b00 b10 b20 b30
- // a01 a11 a21 a31 b01 b11 b21 b31
- // a02 a12 a22 a32 b02 b12 b22 b32
- // a03 a13 a23 a33 b03 b13 b23 b33
+ VP8Transpose_2_4x4_16b(&tmp0, &tmp1, &tmp2, &tmp3, &T0, &T1, &T2, &T3);
}
// Horizontal pass and subsequent transpose.
@@ -193,34 +138,8 @@ static void ITransform(const uint8_t* ref, const int16_t* in, uint8_t* dst,
const __m128i shifted3 = _mm_srai_epi16(tmp3, 3);
// Transpose the two 4x4.
- // a00 a01 a02 a03 b00 b01 b02 b03
- // a10 a11 a12 a13 b10 b11 b12 b13
- // a20 a21 a22 a23 b20 b21 b22 b23
- // a30 a31 a32 a33 b30 b31 b32 b33
- const __m128i transpose0_0 = _mm_unpacklo_epi16(shifted0, shifted1);
- const __m128i transpose0_1 = _mm_unpacklo_epi16(shifted2, shifted3);
- const __m128i transpose0_2 = _mm_unpackhi_epi16(shifted0, shifted1);
- const __m128i transpose0_3 = _mm_unpackhi_epi16(shifted2, shifted3);
- // a00 a10 a01 a11 a02 a12 a03 a13
- // a20 a30 a21 a31 a22 a32 a23 a33
- // b00 b10 b01 b11 b02 b12 b03 b13
- // b20 b30 b21 b31 b22 b32 b23 b33
- const __m128i transpose1_0 = _mm_unpacklo_epi32(transpose0_0, transpose0_1);
- const __m128i transpose1_1 = _mm_unpacklo_epi32(transpose0_2, transpose0_3);
- const __m128i transpose1_2 = _mm_unpackhi_epi32(transpose0_0, transpose0_1);
- const __m128i transpose1_3 = _mm_unpackhi_epi32(transpose0_2, transpose0_3);
- // a00 a10 a20 a30 a01 a11 a21 a31
- // b00 b10 b20 b30 b01 b11 b21 b31
- // a02 a12 a22 a32 a03 a13 a23 a33
- // b02 b12 a22 b32 b03 b13 b23 b33
- T0 = _mm_unpacklo_epi64(transpose1_0, transpose1_1);
- T1 = _mm_unpackhi_epi64(transpose1_0, transpose1_1);
- T2 = _mm_unpacklo_epi64(transpose1_2, transpose1_3);
- T3 = _mm_unpackhi_epi64(transpose1_2, transpose1_3);
- // a00 a10 a20 a30 b00 b10 b20 b30
- // a01 a11 a21 a31 b01 b11 b21 b31
- // a02 a12 a22 a32 b02 b12 b22 b32
- // a03 a13 a23 a33 b03 b13 b23 b33
+ VP8Transpose_2_4x4_16b(&shifted0, &shifted1, &shifted2, &shifted3, &T0, &T1,
+ &T2, &T3);
}
// Add inverse transform to 'ref' and store.
@@ -373,42 +292,42 @@ static void FTransformPass2(const __m128i* const v01, const __m128i* const v32,
static void FTransform(const uint8_t* src, const uint8_t* ref, int16_t* out) {
const __m128i zero = _mm_setzero_si128();
-
- // Load src and convert to 16b.
+ // Load src.
const __m128i src0 = _mm_loadl_epi64((const __m128i*)&src[0 * BPS]);
const __m128i src1 = _mm_loadl_epi64((const __m128i*)&src[1 * BPS]);
const __m128i src2 = _mm_loadl_epi64((const __m128i*)&src[2 * BPS]);
const __m128i src3 = _mm_loadl_epi64((const __m128i*)&src[3 * BPS]);
- const __m128i src_0 = _mm_unpacklo_epi8(src0, zero);
- const __m128i src_1 = _mm_unpacklo_epi8(src1, zero);
- const __m128i src_2 = _mm_unpacklo_epi8(src2, zero);
- const __m128i src_3 = _mm_unpacklo_epi8(src3, zero);
- // Load ref and convert to 16b.
+ // 00 01 02 03 *
+ // 10 11 12 13 *
+ // 20 21 22 23 *
+ // 30 31 32 33 *
+ // Shuffle.
+ const __m128i src_0 = _mm_unpacklo_epi16(src0, src1);
+ const __m128i src_1 = _mm_unpacklo_epi16(src2, src3);
+ // 00 01 10 11 02 03 12 13 * * ...
+ // 20 21 30 31 22 22 32 33 * * ...
+
+ // Load ref.
const __m128i ref0 = _mm_loadl_epi64((const __m128i*)&ref[0 * BPS]);
const __m128i ref1 = _mm_loadl_epi64((const __m128i*)&ref[1 * BPS]);
const __m128i ref2 = _mm_loadl_epi64((const __m128i*)&ref[2 * BPS]);
const __m128i ref3 = _mm_loadl_epi64((const __m128i*)&ref[3 * BPS]);
- const __m128i ref_0 = _mm_unpacklo_epi8(ref0, zero);
- const __m128i ref_1 = _mm_unpacklo_epi8(ref1, zero);
- const __m128i ref_2 = _mm_unpacklo_epi8(ref2, zero);
- const __m128i ref_3 = _mm_unpacklo_epi8(ref3, zero);
- // Compute difference. -> 00 01 02 03 00 00 00 00
- const __m128i diff0 = _mm_sub_epi16(src_0, ref_0);
- const __m128i diff1 = _mm_sub_epi16(src_1, ref_1);
- const __m128i diff2 = _mm_sub_epi16(src_2, ref_2);
- const __m128i diff3 = _mm_sub_epi16(src_3, ref_3);
-
- // Unpack and shuffle
- // 00 01 02 03 0 0 0 0
- // 10 11 12 13 0 0 0 0
- // 20 21 22 23 0 0 0 0
- // 30 31 32 33 0 0 0 0
- const __m128i shuf01 = _mm_unpacklo_epi32(diff0, diff1);
- const __m128i shuf23 = _mm_unpacklo_epi32(diff2, diff3);
+ const __m128i ref_0 = _mm_unpacklo_epi16(ref0, ref1);
+ const __m128i ref_1 = _mm_unpacklo_epi16(ref2, ref3);
+
+ // Convert both to 16 bit.
+ const __m128i src_0_16b = _mm_unpacklo_epi8(src_0, zero);
+ const __m128i src_1_16b = _mm_unpacklo_epi8(src_1, zero);
+ const __m128i ref_0_16b = _mm_unpacklo_epi8(ref_0, zero);
+ const __m128i ref_1_16b = _mm_unpacklo_epi8(ref_1, zero);
+
+ // Compute the difference.
+ const __m128i row01 = _mm_sub_epi16(src_0_16b, ref_0_16b);
+ const __m128i row23 = _mm_sub_epi16(src_1_16b, ref_1_16b);
__m128i v01, v32;
// First pass
- FTransformPass1(&shuf01, &shuf23, &v01, &v32);
+ FTransformPass1(&row01, &row23, &v01, &v32);
// Second pass
FTransformPass2(&v01, &v32, out);
@@ -463,8 +382,7 @@ static void FTransform2(const uint8_t* src, const uint8_t* ref, int16_t* out) {
}
static void FTransformWHTRow(const int16_t* const in, __m128i* const out) {
- const __m128i kMult1 = _mm_set_epi16(0, 0, 0, 0, 1, 1, 1, 1);
- const __m128i kMult2 = _mm_set_epi16(0, 0, 0, 0, -1, 1, -1, 1);
+ const __m128i kMult = _mm_set_epi16(-1, 1, -1, 1, 1, 1, 1, 1);
const __m128i src0 = _mm_loadl_epi64((__m128i*)&in[0 * 16]);
const __m128i src1 = _mm_loadl_epi64((__m128i*)&in[1 * 16]);
const __m128i src2 = _mm_loadl_epi64((__m128i*)&in[2 * 16]);
@@ -473,33 +391,38 @@ static void FTransformWHTRow(const int16_t* const in, __m128i* const out) {
const __m128i A23 = _mm_unpacklo_epi16(src2, src3); // A2 A3 | ...
const __m128i B0 = _mm_adds_epi16(A01, A23); // a0 | a1 | ...
const __m128i B1 = _mm_subs_epi16(A01, A23); // a3 | a2 | ...
- const __m128i C0 = _mm_unpacklo_epi32(B0, B1); // a0 | a1 | a3 | a2
- const __m128i C1 = _mm_unpacklo_epi32(B1, B0); // a3 | a2 | a0 | a1
- const __m128i D0 = _mm_madd_epi16(C0, kMult1); // out0, out1
- const __m128i D1 = _mm_madd_epi16(C1, kMult2); // out2, out3
- *out = _mm_unpacklo_epi64(D0, D1);
+ const __m128i C0 = _mm_unpacklo_epi32(B0, B1); // a0 | a1 | a3 | a2 | ...
+ const __m128i C1 = _mm_unpacklo_epi32(B1, B0); // a3 | a2 | a0 | a1 | ...
+ const __m128i D = _mm_unpacklo_epi64(C0, C1); // a0 a1 a3 a2 a3 a2 a0 a1
+ *out = _mm_madd_epi16(D, kMult);
}
static void FTransformWHT(const int16_t* in, int16_t* out) {
+ // Input is 12b signed.
__m128i row0, row1, row2, row3;
+ // Rows are 14b signed.
FTransformWHTRow(in + 0 * 64, &row0);
FTransformWHTRow(in + 1 * 64, &row1);
FTransformWHTRow(in + 2 * 64, &row2);
FTransformWHTRow(in + 3 * 64, &row3);
{
+ // The a* are 15b signed.
const __m128i a0 = _mm_add_epi32(row0, row2);
const __m128i a1 = _mm_add_epi32(row1, row3);
const __m128i a2 = _mm_sub_epi32(row1, row3);
const __m128i a3 = _mm_sub_epi32(row0, row2);
- const __m128i b0 = _mm_srai_epi32(_mm_add_epi32(a0, a1), 1);
- const __m128i b1 = _mm_srai_epi32(_mm_add_epi32(a3, a2), 1);
- const __m128i b2 = _mm_srai_epi32(_mm_sub_epi32(a3, a2), 1);
- const __m128i b3 = _mm_srai_epi32(_mm_sub_epi32(a0, a1), 1);
- const __m128i out0 = _mm_packs_epi32(b0, b1);
- const __m128i out1 = _mm_packs_epi32(b2, b3);
- _mm_storeu_si128((__m128i*)&out[0], out0);
- _mm_storeu_si128((__m128i*)&out[8], out1);
+ const __m128i a0a3 = _mm_packs_epi32(a0, a3);
+ const __m128i a1a2 = _mm_packs_epi32(a1, a2);
+
+ // The b* are 16b signed.
+ const __m128i b0b1 = _mm_add_epi16(a0a3, a1a2);
+ const __m128i b3b2 = _mm_sub_epi16(a0a3, a1a2);
+ const __m128i tmp_b2b3 = _mm_unpackhi_epi64(b3b2, b3b2);
+ const __m128i b2b3 = _mm_unpacklo_epi64(tmp_b2b3, b3b2);
+
+ _mm_storeu_si128((__m128i*)&out[0], _mm_srai_epi16(b0b1, 1));
+ _mm_storeu_si128((__m128i*)&out[8], _mm_srai_epi16(b2b3, 1));
}
}
@@ -692,12 +615,10 @@ static WEBP_INLINE void TrueMotion(uint8_t* dst, const uint8_t* left,
static WEBP_INLINE void DC8uv(uint8_t* dst, const uint8_t* left,
const uint8_t* top) {
- const __m128i zero = _mm_setzero_si128();
const __m128i top_values = _mm_loadl_epi64((const __m128i*)top);
const __m128i left_values = _mm_loadl_epi64((const __m128i*)left);
- const __m128i sum_top = _mm_sad_epu8(top_values, zero);
- const __m128i sum_left = _mm_sad_epu8(left_values, zero);
- const int DC = _mm_cvtsi128_si32(sum_top) + _mm_cvtsi128_si32(sum_left) + 8;
+ const __m128i combined = _mm_unpacklo_epi64(top_values, left_values);
+ const int DC = VP8HorizontalAdd8b(&combined) + 8;
Put8x8uv(DC >> 4, dst);
}
@@ -735,27 +656,16 @@ static WEBP_INLINE void DC8uvMode(uint8_t* dst, const uint8_t* left,
static WEBP_INLINE void DC16(uint8_t* dst, const uint8_t* left,
const uint8_t* top) {
- const __m128i zero = _mm_setzero_si128();
const __m128i top_row = _mm_load_si128((const __m128i*)top);
const __m128i left_row = _mm_load_si128((const __m128i*)left);
- const __m128i sad8x2 = _mm_sad_epu8(top_row, zero);
- // sum the two sads: sad8x2[0:1] + sad8x2[8:9]
- const __m128i sum_top = _mm_add_epi16(sad8x2, _mm_shuffle_epi32(sad8x2, 2));
- const __m128i sad8x2_left = _mm_sad_epu8(left_row, zero);
- // sum the two sads: sad8x2[0:1] + sad8x2[8:9]
- const __m128i sum_left =
- _mm_add_epi16(sad8x2_left, _mm_shuffle_epi32(sad8x2_left, 2));
- const int DC = _mm_cvtsi128_si32(sum_top) + _mm_cvtsi128_si32(sum_left) + 16;
+ const int DC =
+ VP8HorizontalAdd8b(&top_row) + VP8HorizontalAdd8b(&left_row) + 16;
Put16(DC >> 5, dst);
}
static WEBP_INLINE void DC16NoLeft(uint8_t* dst, const uint8_t* top) {
- const __m128i zero = _mm_setzero_si128();
const __m128i top_row = _mm_load_si128((const __m128i*)top);
- const __m128i sad8x2 = _mm_sad_epu8(top_row, zero);
- // sum the two sads: sad8x2[0:1] + sad8x2[8:9]
- const __m128i sum = _mm_add_epi16(sad8x2, _mm_shuffle_epi32(sad8x2, 2));
- const int DC = _mm_cvtsi128_si32(sum) + 8;
+ const int DC = VP8HorizontalAdd8b(&top_row) + 8;
Put16(DC >> 4, dst);
}
@@ -1142,15 +1052,15 @@ static int SSE4x4(const uint8_t* a, const uint8_t* b) {
// reconstructed samples.
// Hadamard transform
-// Returns the difference between the weighted sum of the absolute value of
-// transformed coefficients.
+// Returns the weighted sum of the absolute value of transformed coefficients.
+// w[] contains a row-major 4 by 4 symmetric matrix.
static int TTransform(const uint8_t* inA, const uint8_t* inB,
const uint16_t* const w) {
int32_t sum[4];
__m128i tmp_0, tmp_1, tmp_2, tmp_3;
const __m128i zero = _mm_setzero_si128();
- // Load, combine and transpose inputs.
+ // Load and combine inputs.
{
const __m128i inA_0 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 0]);
const __m128i inA_1 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 1]);
@@ -1162,37 +1072,22 @@ static int TTransform(const uint8_t* inA, const uint8_t* inB,
const __m128i inB_3 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 3]);
// Combine inA and inB (we'll do two transforms in parallel).
- const __m128i inAB_0 = _mm_unpacklo_epi8(inA_0, inB_0);
- const __m128i inAB_1 = _mm_unpacklo_epi8(inA_1, inB_1);
- const __m128i inAB_2 = _mm_unpacklo_epi8(inA_2, inB_2);
- const __m128i inAB_3 = _mm_unpacklo_epi8(inA_3, inB_3);
- // a00 b00 a01 b01 a02 b03 a03 b03 0 0 0 0 0 0 0 0
- // a10 b10 a11 b11 a12 b12 a13 b13 0 0 0 0 0 0 0 0
- // a20 b20 a21 b21 a22 b22 a23 b23 0 0 0 0 0 0 0 0
- // a30 b30 a31 b31 a32 b32 a33 b33 0 0 0 0 0 0 0 0
-
- // Transpose the two 4x4, discarding the filling zeroes.
- const __m128i transpose0_0 = _mm_unpacklo_epi8(inAB_0, inAB_2);
- const __m128i transpose0_1 = _mm_unpacklo_epi8(inAB_1, inAB_3);
- // a00 a20 b00 b20 a01 a21 b01 b21 a02 a22 b02 b22 a03 a23 b03 b23
- // a10 a30 b10 b30 a11 a31 b11 b31 a12 a32 b12 b32 a13 a33 b13 b33
- const __m128i transpose1_0 = _mm_unpacklo_epi8(transpose0_0, transpose0_1);
- const __m128i transpose1_1 = _mm_unpackhi_epi8(transpose0_0, transpose0_1);
- // a00 a10 a20 a30 b00 b10 b20 b30 a01 a11 a21 a31 b01 b11 b21 b31
- // a02 a12 a22 a32 b02 b12 b22 b32 a03 a13 a23 a33 b03 b13 b23 b33
-
- // Convert to 16b.
- tmp_0 = _mm_unpacklo_epi8(transpose1_0, zero);
- tmp_1 = _mm_unpackhi_epi8(transpose1_0, zero);
- tmp_2 = _mm_unpacklo_epi8(transpose1_1, zero);
- tmp_3 = _mm_unpackhi_epi8(transpose1_1, zero);
- // a00 a10 a20 a30 b00 b10 b20 b30
- // a01 a11 a21 a31 b01 b11 b21 b31
- // a02 a12 a22 a32 b02 b12 b22 b32
- // a03 a13 a23 a33 b03 b13 b23 b33
+ const __m128i inAB_0 = _mm_unpacklo_epi32(inA_0, inB_0);
+ const __m128i inAB_1 = _mm_unpacklo_epi32(inA_1, inB_1);
+ const __m128i inAB_2 = _mm_unpacklo_epi32(inA_2, inB_2);
+ const __m128i inAB_3 = _mm_unpacklo_epi32(inA_3, inB_3);
+ tmp_0 = _mm_unpacklo_epi8(inAB_0, zero);
+ tmp_1 = _mm_unpacklo_epi8(inAB_1, zero);
+ tmp_2 = _mm_unpacklo_epi8(inAB_2, zero);
+ tmp_3 = _mm_unpacklo_epi8(inAB_3, zero);
+ // a00 a01 a02 a03 b00 b01 b02 b03
+ // a10 a11 a12 a13 b10 b11 b12 b13
+ // a20 a21 a22 a23 b20 b21 b22 b23
+ // a30 a31 a32 a33 b30 b31 b32 b33
}
- // Horizontal pass and subsequent transpose.
+ // Vertical pass first to avoid a transpose (vertical and horizontal passes
+ // are commutative because w/kWeightY is symmetric) and subsequent transpose.
{
// Calculate a and b (two 4x4 at once).
const __m128i a0 = _mm_add_epi16(tmp_0, tmp_2);
@@ -1209,33 +1104,10 @@ static int TTransform(const uint8_t* inA, const uint8_t* inB,
// a30 a31 a32 a33 b30 b31 b32 b33
// Transpose the two 4x4.
- const __m128i transpose0_0 = _mm_unpacklo_epi16(b0, b1);
- const __m128i transpose0_1 = _mm_unpacklo_epi16(b2, b3);
- const __m128i transpose0_2 = _mm_unpackhi_epi16(b0, b1);
- const __m128i transpose0_3 = _mm_unpackhi_epi16(b2, b3);
- // a00 a10 a01 a11 a02 a12 a03 a13
- // a20 a30 a21 a31 a22 a32 a23 a33
- // b00 b10 b01 b11 b02 b12 b03 b13
- // b20 b30 b21 b31 b22 b32 b23 b33
- const __m128i transpose1_0 = _mm_unpacklo_epi32(transpose0_0, transpose0_1);
- const __m128i transpose1_1 = _mm_unpacklo_epi32(transpose0_2, transpose0_3);
- const __m128i transpose1_2 = _mm_unpackhi_epi32(transpose0_0, transpose0_1);
- const __m128i transpose1_3 = _mm_unpackhi_epi32(transpose0_2, transpose0_3);
- // a00 a10 a20 a30 a01 a11 a21 a31
- // b00 b10 b20 b30 b01 b11 b21 b31
- // a02 a12 a22 a32 a03 a13 a23 a33
- // b02 b12 a22 b32 b03 b13 b23 b33
- tmp_0 = _mm_unpacklo_epi64(transpose1_0, transpose1_1);
- tmp_1 = _mm_unpackhi_epi64(transpose1_0, transpose1_1);
- tmp_2 = _mm_unpacklo_epi64(transpose1_2, transpose1_3);
- tmp_3 = _mm_unpackhi_epi64(transpose1_2, transpose1_3);
- // a00 a10 a20 a30 b00 b10 b20 b30
- // a01 a11 a21 a31 b01 b11 b21 b31
- // a02 a12 a22 a32 b02 b12 b22 b32
- // a03 a13 a23 a33 b03 b13 b23 b33
+ VP8Transpose_2_4x4_16b(&b0, &b1, &b2, &b3, &tmp_0, &tmp_1, &tmp_2, &tmp_3);
}
- // Vertical pass and difference of weighted sums.
+ // Horizontal pass and difference of weighted sums.
{
// Load all inputs.
const __m128i w_0 = _mm_loadu_si128((const __m128i*)&w[0]);
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