Commit 6d21cbd2 authored by Jingning Han's avatar Jingning Han

Enable SSSE3 inverse 2D-DCT with 10 non-zero coeffs

This commit enables SSSE3 implementation of the inverse 2D-DCT
with only first 10 coefficients non-zero. It reduces the runtime
of SSE2 version from 745 cycles to 538 cycles, i.e., 27% speed-up.

Change-Id: I18ba4128859b09c704a6ee361d69a86c09fe8dfe
parent 239e68dd
......@@ -193,7 +193,7 @@ INSTANTIATE_TEST_CASE_P(
#if HAVE_SSSE3 && ARCH_X86_64
INSTANTIATE_TEST_CASE_P(
SSSE3, PartialIDctTest,
SSSE3_64, PartialIDctTest,
::testing::Values(
make_tuple(&vp9_idct8x8_64_add_c,
&vp9_idct8x8_12_add_ssse3,
......
......@@ -33,6 +33,9 @@ extern "C" {
#define pair_set_epi16(a, b) \
_mm_set_epi16(b, a, b, a, b, a, b, a)
#define dual_set_epi16(a, b) \
_mm_set_epi16(b, b, b, b, a, a, a, a)
// Constants:
// for (int i = 1; i< 32; ++i)
// printf("static const int cospi_%d_64 = %.0f;\n", i,
......
......@@ -360,7 +360,7 @@ specialize qw/vp9_idct16x16_256_add sse2 ssse3 neon_asm dspr2/;
$vp9_idct16x16_256_add_neon_asm=vp9_idct16x16_256_add_neon;
add_proto qw/void vp9_idct16x16_10_add/, "const int16_t *input, uint8_t *dest, int dest_stride";
specialize qw/vp9_idct16x16_10_add sse2 neon_asm dspr2/;
specialize qw/vp9_idct16x16_10_add sse2 ssse3 neon_asm dspr2/;
$vp9_idct16x16_10_add_neon_asm=vp9_idct16x16_10_add_neon;
add_proto qw/void vp9_idct32x32_1024_add/, "const int16_t *input, uint8_t *dest, int dest_stride";
......
......@@ -375,15 +375,6 @@ void vp9_iht4x4_16_add_sse2(const int16_t *input, uint8_t *dest, int stride,
out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
}
#define TRANSPOSE_8X4(in0, in1, in2, in3, out0, out1) \
{ \
const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
\
in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); /* i1 i0 */ \
in1 = _mm_unpackhi_epi32(tr0_0, tr0_1); /* i3 i2 */ \
}
#define TRANSPOSE_8X8_10(in0, in1, in2, in3, out0, out1) \
{ \
const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
......@@ -612,23 +603,6 @@ void vp9_idct8x8_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
RECON_AND_STORE(dest, dc_value);
}
static INLINE void array_transpose_4X8(__m128i *in, __m128i * out) {
const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]);
const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]);
const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]);
const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]);
const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5);
const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5);
out[0] = _mm_unpacklo_epi64(tr1_0, tr1_4);
out[1] = _mm_unpackhi_epi64(tr1_0, tr1_4);
out[2] = _mm_unpacklo_epi64(tr1_2, tr1_6);
out[3] = _mm_unpackhi_epi64(tr1_2, tr1_6);
}
static void idct8_sse2(__m128i *in) {
const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
......
......@@ -45,6 +45,32 @@ static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) {
res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7);
}
#define TRANSPOSE_8X4(in0, in1, in2, in3, out0, out1) \
{ \
const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
\
in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); /* i1 i0 */ \
in1 = _mm_unpackhi_epi32(tr0_0, tr0_1); /* i3 i2 */ \
}
static INLINE void array_transpose_4X8(__m128i *in, __m128i * out) {
const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]);
const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]);
const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]);
const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]);
const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5);
const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5);
out[0] = _mm_unpacklo_epi64(tr1_0, tr1_4);
out[1] = _mm_unpackhi_epi64(tr1_0, tr1_4);
out[2] = _mm_unpacklo_epi64(tr1_2, tr1_6);
out[3] = _mm_unpackhi_epi64(tr1_2, tr1_6);
}
static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) {
__m128i tbuf[8];
array_transpose_8x8(res0, res0);
......
......@@ -329,3 +329,380 @@ void vp9_idct16x16_256_add_ssse3(const int16_t *input, uint8_t *dest,
dest += 8;
write_buffer_8x16(dest, in1, stride);
}
static void idct16_10_r1(__m128i *in, __m128i *l) {
const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
const __m128i zero = _mm_setzero_si128();
const __m128i stg2_01 = dual_set_epi16(3212, 32610);
const __m128i stg2_67 = dual_set_epi16(-9512, 31358);
const __m128i stg3_01 = dual_set_epi16(6392, 32138);
const __m128i stg4_01 = dual_set_epi16(23170, 23170);
const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
__m128i stp1_0, stp1_1, stp1_4, stp1_6,
stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15;
__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13;
__m128i tmp0, tmp1, tmp2, tmp3, tmp4;
// Stage2
{
const __m128i lo_1_15 = _mm_unpackhi_epi64(in[0], in[0]);
const __m128i lo_13_3 = _mm_unpackhi_epi64(in[1], in[1]);
stp2_8 = _mm_mulhrs_epi16(lo_1_15, stg2_01);
stp2_11 = _mm_mulhrs_epi16(lo_13_3, stg2_67);
}
// Stage3
{
const __m128i lo_2_14 = _mm_unpacklo_epi64(in[1], in[1]);
stp1_4 = _mm_mulhrs_epi16(lo_2_14, stg3_01);
stp1_13 = _mm_unpackhi_epi64(stp2_11, zero);
stp1_14 = _mm_unpackhi_epi64(stp2_8, zero);
}
// Stage4
{
const __m128i lo_0_8 = _mm_unpacklo_epi64(in[0], in[0]);
const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp1_14);
const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp1_13);
tmp0 = _mm_mulhrs_epi16(lo_0_8, stg4_01);
tmp1 = _mm_madd_epi16(lo_9_14, stg4_4);
tmp3 = _mm_madd_epi16(lo_9_14, stg4_5);
tmp2 = _mm_madd_epi16(lo_10_13, stg4_6);
tmp4 = _mm_madd_epi16(lo_10_13, stg4_7);
tmp1 = _mm_add_epi32(tmp1, rounding);
tmp3 = _mm_add_epi32(tmp3, rounding);
tmp2 = _mm_add_epi32(tmp2, rounding);
tmp4 = _mm_add_epi32(tmp4, rounding);
tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
stp1_0 = _mm_unpacklo_epi64(tmp0, tmp0);
stp1_1 = _mm_unpackhi_epi64(tmp0, tmp0);
stp2_9 = _mm_packs_epi32(tmp1, tmp3);
stp2_10 = _mm_packs_epi32(tmp2, tmp4);
stp2_6 = _mm_unpackhi_epi64(stp1_4, zero);
}
// Stage5 and Stage6
{
tmp0 = _mm_add_epi16(stp2_8, stp2_11);
tmp1 = _mm_sub_epi16(stp2_8, stp2_11);
tmp2 = _mm_add_epi16(stp2_9, stp2_10);
tmp3 = _mm_sub_epi16(stp2_9, stp2_10);
stp1_9 = _mm_unpacklo_epi64(tmp2, zero);
stp1_10 = _mm_unpacklo_epi64(tmp3, zero);
stp1_8 = _mm_unpacklo_epi64(tmp0, zero);
stp1_11 = _mm_unpacklo_epi64(tmp1, zero);
stp1_13 = _mm_unpackhi_epi64(tmp3, zero);
stp1_14 = _mm_unpackhi_epi64(tmp2, zero);
stp1_12 = _mm_unpackhi_epi64(tmp1, zero);
stp1_15 = _mm_unpackhi_epi64(tmp0, zero);
}
// Stage6
{
const __m128i lo_6_5 = _mm_add_epi16(stp2_6, stp1_4);
const __m128i lo_6_6 = _mm_sub_epi16(stp2_6, stp1_4);
const __m128i lo_10_13 = _mm_sub_epi16(stp1_13, stp1_10);
const __m128i lo_10_14 = _mm_add_epi16(stp1_13, stp1_10);
const __m128i lo_11_12 = _mm_sub_epi16(stp1_12, stp1_11);
const __m128i lo_11_13 = _mm_add_epi16(stp1_12, stp1_11);
tmp1 = _mm_unpacklo_epi64(lo_6_5, lo_6_6);
tmp0 = _mm_unpacklo_epi64(lo_10_13, lo_10_14);
tmp4 = _mm_unpacklo_epi64(lo_11_12, lo_11_13);
stp1_6 = _mm_mulhrs_epi16(tmp1, stg4_01);
tmp0 = _mm_mulhrs_epi16(tmp0, stg4_01);
tmp4 = _mm_mulhrs_epi16(tmp4, stg4_01);
stp2_10 = _mm_unpacklo_epi64(tmp0, zero);
stp2_13 = _mm_unpackhi_epi64(tmp0, zero);
stp2_11 = _mm_unpacklo_epi64(tmp4, zero);
stp2_12 = _mm_unpackhi_epi64(tmp4, zero);
tmp0 = _mm_add_epi16(stp1_0, stp1_4);
tmp1 = _mm_sub_epi16(stp1_0, stp1_4);
tmp2 = _mm_add_epi16(stp1_1, stp1_6);
tmp3 = _mm_sub_epi16(stp1_1, stp1_6);
stp2_0 = _mm_unpackhi_epi64(tmp0, zero);
stp2_1 = _mm_unpacklo_epi64(tmp2, zero);
stp2_2 = _mm_unpackhi_epi64(tmp2, zero);
stp2_3 = _mm_unpacklo_epi64(tmp0, zero);
stp2_4 = _mm_unpacklo_epi64(tmp1, zero);
stp2_5 = _mm_unpackhi_epi64(tmp3, zero);
stp2_6 = _mm_unpacklo_epi64(tmp3, zero);
stp2_7 = _mm_unpackhi_epi64(tmp1, zero);
}
// Stage7. Left 8x16 only.
l[0] = _mm_add_epi16(stp2_0, stp1_15);
l[1] = _mm_add_epi16(stp2_1, stp1_14);
l[2] = _mm_add_epi16(stp2_2, stp2_13);
l[3] = _mm_add_epi16(stp2_3, stp2_12);
l[4] = _mm_add_epi16(stp2_4, stp2_11);
l[5] = _mm_add_epi16(stp2_5, stp2_10);
l[6] = _mm_add_epi16(stp2_6, stp1_9);
l[7] = _mm_add_epi16(stp2_7, stp1_8);
l[8] = _mm_sub_epi16(stp2_7, stp1_8);
l[9] = _mm_sub_epi16(stp2_6, stp1_9);
l[10] = _mm_sub_epi16(stp2_5, stp2_10);
l[11] = _mm_sub_epi16(stp2_4, stp2_11);
l[12] = _mm_sub_epi16(stp2_3, stp2_12);
l[13] = _mm_sub_epi16(stp2_2, stp2_13);
l[14] = _mm_sub_epi16(stp2_1, stp1_14);
l[15] = _mm_sub_epi16(stp2_0, stp1_15);
}
static void idct16_10_r2(__m128i *in) {
const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
const __m128i stg2_0 = dual_set_epi16(3212, 3212);
const __m128i stg2_1 = dual_set_epi16(32610, 32610);
const __m128i stg2_6 = dual_set_epi16(-9512, -9512);
const __m128i stg2_7 = dual_set_epi16(31358, 31358);
const __m128i stg3_0 = dual_set_epi16(6392, 6392);
const __m128i stg3_1 = dual_set_epi16(32138, 32138);
const __m128i stg4_01 = dual_set_epi16(23170, 23170);
const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
__m128i stp1_0, stp1_2, stp1_3, stp1_5, stp1_6,
stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
stp1_8_0, stp1_12_0;
__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14;
__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
/* Stage2 */
{
stp1_8_0 = _mm_mulhrs_epi16(in[1], stg2_0);
stp1_15 = _mm_mulhrs_epi16(in[1], stg2_1);
stp1_11 = _mm_mulhrs_epi16(in[3], stg2_6);
stp1_12_0 = _mm_mulhrs_epi16(in[3], stg2_7);
}
/* Stage3 */
{
stp2_4 = _mm_mulhrs_epi16(in[2], stg3_0);
stp2_7 = _mm_mulhrs_epi16(in[2], stg3_1);
stp1_9 = stp1_8_0;
stp1_10 = stp1_11;
stp1_13 = stp1_12_0;
stp1_14 = stp1_15;
}
/* Stage4 */
{
const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14);
const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13);
stp1_0 = _mm_mulhrs_epi16(in[0], stg4_01);
stp2_5 = stp2_4;
stp2_6 = stp2_7;
tmp0 = _mm_madd_epi16(lo_9_14, stg4_4);
tmp1 = _mm_madd_epi16(hi_9_14, stg4_4);
tmp2 = _mm_madd_epi16(lo_9_14, stg4_5);
tmp3 = _mm_madd_epi16(hi_9_14, stg4_5);
tmp4 = _mm_madd_epi16(lo_10_13, stg4_6);
tmp5 = _mm_madd_epi16(hi_10_13, stg4_6);
tmp6 = _mm_madd_epi16(lo_10_13, stg4_7);
tmp7 = _mm_madd_epi16(hi_10_13, stg4_7);
tmp0 = _mm_add_epi32(tmp0, rounding);
tmp1 = _mm_add_epi32(tmp1, rounding);
tmp2 = _mm_add_epi32(tmp2, rounding);
tmp3 = _mm_add_epi32(tmp3, rounding);
tmp4 = _mm_add_epi32(tmp4, rounding);
tmp5 = _mm_add_epi32(tmp5, rounding);
tmp6 = _mm_add_epi32(tmp6, rounding);
tmp7 = _mm_add_epi32(tmp7, rounding);
tmp0 = _mm_srai_epi32(tmp0, 14);
tmp1 = _mm_srai_epi32(tmp1, 14);
tmp2 = _mm_srai_epi32(tmp2, 14);
tmp3 = _mm_srai_epi32(tmp3, 14);
tmp4 = _mm_srai_epi32(tmp4, 14);
tmp5 = _mm_srai_epi32(tmp5, 14);
tmp6 = _mm_srai_epi32(tmp6, 14);
tmp7 = _mm_srai_epi32(tmp7, 14);
stp2_9 = _mm_packs_epi32(tmp0, tmp1);
stp2_14 = _mm_packs_epi32(tmp2, tmp3);
stp2_10 = _mm_packs_epi32(tmp4, tmp5);
stp2_13 = _mm_packs_epi32(tmp6, tmp7);
}
/* Stage5 */
{
stp1_2 = stp1_0;
stp1_3 = stp1_0;
tmp0 = _mm_sub_epi16(stp2_6, stp2_5);
tmp1 = _mm_add_epi16(stp2_6, stp2_5);
stp1_5 = _mm_mulhrs_epi16(tmp0, stg4_01);
stp1_6 = _mm_mulhrs_epi16(tmp1, stg4_01);
stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11);
stp1_9 = _mm_add_epi16(stp2_9, stp2_10);
stp1_10 = _mm_sub_epi16(stp2_9, stp2_10);
stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11);
stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0);
stp1_13 = _mm_sub_epi16(stp2_14, stp2_13);
stp1_14 = _mm_add_epi16(stp2_14, stp2_13);
stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0);
}
/* Stage6 */
{
stp2_0 = _mm_add_epi16(stp1_0, stp2_7);
stp2_1 = _mm_add_epi16(stp1_0, stp1_6);
stp2_2 = _mm_add_epi16(stp1_2, stp1_5);
stp2_3 = _mm_add_epi16(stp1_3, stp2_4);
tmp0 = _mm_sub_epi16(stp1_13, stp1_10);
tmp1 = _mm_add_epi16(stp1_13, stp1_10);
tmp2 = _mm_sub_epi16(stp1_12, stp1_11);
tmp3 = _mm_add_epi16(stp1_12, stp1_11);
stp2_4 = _mm_sub_epi16(stp1_3, stp2_4);
stp2_5 = _mm_sub_epi16(stp1_2, stp1_5);
stp2_6 = _mm_sub_epi16(stp1_0, stp1_6);
stp2_7 = _mm_sub_epi16(stp1_0, stp2_7);
stp2_10 = _mm_mulhrs_epi16(tmp0, stg4_01);
stp2_13 = _mm_mulhrs_epi16(tmp1, stg4_01);
stp2_11 = _mm_mulhrs_epi16(tmp2, stg4_01);
stp2_12 = _mm_mulhrs_epi16(tmp3, stg4_01);
}
// Stage7
in[0] = _mm_add_epi16(stp2_0, stp1_15);
in[1] = _mm_add_epi16(stp2_1, stp1_14);
in[2] = _mm_add_epi16(stp2_2, stp2_13);
in[3] = _mm_add_epi16(stp2_3, stp2_12);
in[4] = _mm_add_epi16(stp2_4, stp2_11);
in[5] = _mm_add_epi16(stp2_5, stp2_10);
in[6] = _mm_add_epi16(stp2_6, stp1_9);
in[7] = _mm_add_epi16(stp2_7, stp1_8);
in[8] = _mm_sub_epi16(stp2_7, stp1_8);
in[9] = _mm_sub_epi16(stp2_6, stp1_9);
in[10] = _mm_sub_epi16(stp2_5, stp2_10);
in[11] = _mm_sub_epi16(stp2_4, stp2_11);
in[12] = _mm_sub_epi16(stp2_3, stp2_12);
in[13] = _mm_sub_epi16(stp2_2, stp2_13);
in[14] = _mm_sub_epi16(stp2_1, stp1_14);
in[15] = _mm_sub_epi16(stp2_0, stp1_15);
}
void vp9_idct16x16_10_add_ssse3(const int16_t *input, uint8_t *dest,
int stride) {
const __m128i final_rounding = _mm_set1_epi16(1<<5);
const __m128i zero = _mm_setzero_si128();
__m128i in[16], l[16];
int i;
// First 1-D inverse DCT
// Load input data.
in[0] = _mm_load_si128((const __m128i *)input);
in[1] = _mm_load_si128((const __m128i *)(input + 8 * 2));
in[2] = _mm_load_si128((const __m128i *)(input + 8 * 4));
in[3] = _mm_load_si128((const __m128i *)(input + 8 * 6));
TRANSPOSE_8X4(in[0], in[1], in[2], in[3], in[0], in[1]);
idct16_10_r1(in, l);
// Second 1-D inverse transform, performed per 8x16 block
for (i = 0; i < 2; i++) {
array_transpose_4X8(l + 8*i, in);
idct16_10_r2(in);
// Final rounding and shift
in[0] = _mm_adds_epi16(in[0], final_rounding);
in[1] = _mm_adds_epi16(in[1], final_rounding);
in[2] = _mm_adds_epi16(in[2], final_rounding);
in[3] = _mm_adds_epi16(in[3], final_rounding);
in[4] = _mm_adds_epi16(in[4], final_rounding);
in[5] = _mm_adds_epi16(in[5], final_rounding);
in[6] = _mm_adds_epi16(in[6], final_rounding);
in[7] = _mm_adds_epi16(in[7], final_rounding);
in[8] = _mm_adds_epi16(in[8], final_rounding);
in[9] = _mm_adds_epi16(in[9], final_rounding);
in[10] = _mm_adds_epi16(in[10], final_rounding);
in[11] = _mm_adds_epi16(in[11], final_rounding);
in[12] = _mm_adds_epi16(in[12], final_rounding);
in[13] = _mm_adds_epi16(in[13], final_rounding);
in[14] = _mm_adds_epi16(in[14], final_rounding);
in[15] = _mm_adds_epi16(in[15], final_rounding);
in[0] = _mm_srai_epi16(in[0], 6);
in[1] = _mm_srai_epi16(in[1], 6);
in[2] = _mm_srai_epi16(in[2], 6);
in[3] = _mm_srai_epi16(in[3], 6);
in[4] = _mm_srai_epi16(in[4], 6);
in[5] = _mm_srai_epi16(in[5], 6);
in[6] = _mm_srai_epi16(in[6], 6);
in[7] = _mm_srai_epi16(in[7], 6);
in[8] = _mm_srai_epi16(in[8], 6);
in[9] = _mm_srai_epi16(in[9], 6);
in[10] = _mm_srai_epi16(in[10], 6);
in[11] = _mm_srai_epi16(in[11], 6);
in[12] = _mm_srai_epi16(in[12], 6);
in[13] = _mm_srai_epi16(in[13], 6);
in[14] = _mm_srai_epi16(in[14], 6);
in[15] = _mm_srai_epi16(in[15], 6);
RECON_AND_STORE(dest, in[0]);
RECON_AND_STORE(dest, in[1]);
RECON_AND_STORE(dest, in[2]);
RECON_AND_STORE(dest, in[3]);
RECON_AND_STORE(dest, in[4]);
RECON_AND_STORE(dest, in[5]);
RECON_AND_STORE(dest, in[6]);
RECON_AND_STORE(dest, in[7]);
RECON_AND_STORE(dest, in[8]);
RECON_AND_STORE(dest, in[9]);
RECON_AND_STORE(dest, in[10]);
RECON_AND_STORE(dest, in[11]);
RECON_AND_STORE(dest, in[12]);
RECON_AND_STORE(dest, in[13]);
RECON_AND_STORE(dest, in[14]);
RECON_AND_STORE(dest, in[15]);
dest += 8 - (stride * 16);
}
}
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment