res[1] = _mm_unpackhi_epi16(tr0_0, tr0_1);
}
-static void idct4_1d_sse2(__m128i *in) {
+static void idct4_sse2(__m128i *in) {
const __m128i k__cospi_p16_p16 = pair_set_epi16(cospi_16_64, cospi_16_64);
const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
in[1] = _mm_shuffle_epi32(in[1], 0x4E);
}
-static void iadst4_1d_sse2(__m128i *in) {
+static void iadst4_sse2(__m128i *in) {
const __m128i k__sinpi_p01_p04 = pair_set_epi16(sinpi_1_9, sinpi_4_9);
const __m128i k__sinpi_p03_p02 = pair_set_epi16(sinpi_3_9, sinpi_2_9);
const __m128i k__sinpi_p02_m01 = pair_set_epi16(sinpi_2_9, -sinpi_1_9);
switch (tx_type) {
case 0: // DCT_DCT
- idct4_1d_sse2(in);
- idct4_1d_sse2(in);
+ idct4_sse2(in);
+ idct4_sse2(in);
break;
case 1: // ADST_DCT
- idct4_1d_sse2(in);
- iadst4_1d_sse2(in);
+ idct4_sse2(in);
+ iadst4_sse2(in);
break;
case 2: // DCT_ADST
- iadst4_1d_sse2(in);
- idct4_1d_sse2(in);
+ iadst4_sse2(in);
+ idct4_sse2(in);
break;
case 3: // ADST_ADST
- iadst4_1d_sse2(in);
- iadst4_1d_sse2(in);
+ iadst4_sse2(in);
+ iadst4_sse2(in);
break;
default:
assert(0);
out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \
}
-#define TRANSPOSE_4X8(in0, in1, in2, in3, in4, in5, in6, in7, \
- out0, out1, out2, out3, out4, out5, out6, out7) \
- { \
- const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
- const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
- const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
- const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
- \
+#define TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, \
+ out0, out1, out2, out3) \
+ { \
+ const __m128i tr0_0 = _mm_unpackhi_epi16(tmp0, tmp1); \
+ const __m128i tr0_1 = _mm_unpacklo_epi16(tmp1, tmp0); \
+ const __m128i tr0_4 = _mm_unpacklo_epi16(tmp2, tmp3); \
+ const __m128i tr0_5 = _mm_unpackhi_epi16(tmp3, tmp2); \
+ \
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); \
- \
+ \
out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
- out4 = out5 = out6 = out7 = zero; \
}
-#define TRANSPOSE_8X4(in0, in1, in2, in3, out0, out1, out2, out3) \
+#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); \
- const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
- const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
\
in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); /* i1 i0 */ \
in1 = _mm_unpackhi_epi32(tr0_0, tr0_1); /* i3 i2 */ \
- in2 = _mm_unpacklo_epi32(tr0_2, tr0_3); /* i5 i4 */ \
- in3 = _mm_unpackhi_epi32(tr0_2, tr0_3); /* i7 i6 */ \
+ }
+
+#define TRANSPOSE_8X8_10(in0, in1, in2, in3, out0, out1) \
+ { \
+ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
+ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
+ out0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
+ out1 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
}
// Define Macro for multiplying elements by constants and adding them together.
res1 = _mm_packs_epi32(tmp2, tmp3); \
}
-#define IDCT8_1D \
+#define IDCT8(in0, in1, in2, in3, in4, in5, in6, in7, \
+ out0, out1, out2, out3, out4, out5, out6, out7) \
+ { \
/* Stage1 */ \
{ \
const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \
} \
\
/* Stage4 */ \
- in0 = _mm_adds_epi16(stp1_0, stp2_7); \
- in1 = _mm_adds_epi16(stp1_1, stp1_6); \
- in2 = _mm_adds_epi16(stp1_2, stp1_5); \
- in3 = _mm_adds_epi16(stp1_3, stp2_4); \
- in4 = _mm_subs_epi16(stp1_3, stp2_4); \
- in5 = _mm_subs_epi16(stp1_2, stp1_5); \
- in6 = _mm_subs_epi16(stp1_1, stp1_6); \
- in7 = _mm_subs_epi16(stp1_0, stp2_7);
+ out0 = _mm_adds_epi16(stp1_0, stp2_7); \
+ out1 = _mm_adds_epi16(stp1_1, stp1_6); \
+ out2 = _mm_adds_epi16(stp1_2, stp1_5); \
+ out3 = _mm_adds_epi16(stp1_3, stp2_4); \
+ out4 = _mm_subs_epi16(stp1_3, stp2_4); \
+ out5 = _mm_subs_epi16(stp1_2, stp1_5); \
+ out6 = _mm_subs_epi16(stp1_1, stp1_6); \
+ out7 = _mm_subs_epi16(stp1_0, stp2_7); \
+ }
#define RECON_AND_STORE(dest, in_x) \
{ \
// 2-D
for (i = 0; i < 2; i++) {
// 8x8 Transpose is copied from vp9_fdct8x8_sse2()
- TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
- in4, in5, in6, in7);
+ TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
// 4-stage 1D idct8x8
- IDCT8_1D
+ IDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
}
// Final rounding and shift
}
static INLINE void array_transpose_4X8(__m128i *in, __m128i * out) {
- const __m128i zero = _mm_setzero_si128();
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]);
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);
- out[4] = out[5] = out[6] = out[7] = zero;
}
-static void idct8_1d_sse2(__m128i *in) {
+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);
const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- in0 = in[0];
- in1 = in[1];
- in2 = in[2];
- in3 = in[3];
- in4 = in[4];
- in5 = in[5];
- in6 = in[6];
- in7 = in[7];
-
// 8x8 Transpose is copied from vp9_fdct8x8_sse2()
- TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
- in4, in5, in6, in7);
+ TRANSPOSE_8X8(in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7],
+ in0, in1, in2, in3, in4, in5, in6, in7);
// 4-stage 1D idct8x8
- IDCT8_1D
- in[0] = in0;
- in[1] = in1;
- in[2] = in2;
- in[3] = in3;
- in[4] = in4;
- in[5] = in5;
- in[6] = in6;
- in[7] = in7;
+ IDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7]);
}
-static void iadst8_1d_sse2(__m128i *in) {
+static void iadst8_sse2(__m128i *in) {
const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
switch (tx_type) {
case 0: // DCT_DCT
- idct8_1d_sse2(in);
- idct8_1d_sse2(in);
+ idct8_sse2(in);
+ idct8_sse2(in);
break;
case 1: // ADST_DCT
- idct8_1d_sse2(in);
- iadst8_1d_sse2(in);
+ idct8_sse2(in);
+ iadst8_sse2(in);
break;
case 2: // DCT_ADST
- iadst8_1d_sse2(in);
- idct8_1d_sse2(in);
+ iadst8_sse2(in);
+ idct8_sse2(in);
break;
case 3: // ADST_ADST
- iadst8_1d_sse2(in);
- iadst8_1d_sse2(in);
+ iadst8_sse2(in);
+ iadst8_sse2(in);
break;
default:
assert(0);
in3 = _mm_load_si128((const __m128i *)(input + 8 * 3));
// 8x4 Transpose
- TRANSPOSE_8X4(in0, in1, in2, in3, in0, in1, in2, in3)
-
+ TRANSPOSE_8X8_10(in0, in1, in2, in3, in0, in1);
// Stage1
{ //NOLINT
- const __m128i lo_17 = _mm_unpackhi_epi16(in0, in3);
- const __m128i lo_35 = _mm_unpackhi_epi16(in1, in2);
+ const __m128i lo_17 = _mm_unpackhi_epi16(in0, zero);
+ const __m128i lo_35 = _mm_unpackhi_epi16(in1, zero);
tmp0 = _mm_madd_epi16(lo_17, stg1_0);
tmp2 = _mm_madd_epi16(lo_17, stg1_1);
tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
- stp1_4 = _mm_packs_epi32(tmp0, zero);
- stp1_7 = _mm_packs_epi32(tmp2, zero);
- stp1_5 = _mm_packs_epi32(tmp4, zero);
- stp1_6 = _mm_packs_epi32(tmp6, zero);
+ stp1_4 = _mm_packs_epi32(tmp0, tmp2);
+ stp1_5 = _mm_packs_epi32(tmp4, tmp6);
}
// Stage2
{ //NOLINT
- const __m128i lo_04 = _mm_unpacklo_epi16(in0, in2);
- const __m128i lo_26 = _mm_unpacklo_epi16(in1, in3);
+ const __m128i lo_04 = _mm_unpacklo_epi16(in0, zero);
+ const __m128i lo_26 = _mm_unpacklo_epi16(in1, zero);
tmp0 = _mm_madd_epi16(lo_04, stg2_0);
tmp2 = _mm_madd_epi16(lo_04, stg2_1);
tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
- stp2_0 = _mm_packs_epi32(tmp0, zero);
- stp2_1 = _mm_packs_epi32(tmp2, zero);
- stp2_2 = _mm_packs_epi32(tmp4, zero);
- stp2_3 = _mm_packs_epi32(tmp6, zero);
+ stp2_0 = _mm_packs_epi32(tmp0, tmp2);
+ stp2_2 = _mm_packs_epi32(tmp6, tmp4);
+
+ tmp0 = _mm_adds_epi16(stp1_4, stp1_5);
+ tmp1 = _mm_subs_epi16(stp1_4, stp1_5);
- stp2_4 = _mm_adds_epi16(stp1_4, stp1_5);
- stp2_5 = _mm_subs_epi16(stp1_4, stp1_5);
- stp2_6 = _mm_subs_epi16(stp1_7, stp1_6);
- stp2_7 = _mm_adds_epi16(stp1_7, stp1_6);
+ stp2_4 = tmp0;
+ stp2_5 = _mm_unpacklo_epi64(tmp1, zero);
+ stp2_6 = _mm_unpackhi_epi64(tmp1, zero);
}
// Stage3
{ //NOLINT
const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6);
- stp1_0 = _mm_adds_epi16(stp2_0, stp2_3);
- stp1_1 = _mm_adds_epi16(stp2_1, stp2_2);
- stp1_2 = _mm_subs_epi16(stp2_1, stp2_2);
- stp1_3 = _mm_subs_epi16(stp2_0, stp2_3);
+
+ tmp4 = _mm_adds_epi16(stp2_0, stp2_2);
+ tmp6 = _mm_subs_epi16(stp2_0, stp2_2);
+
+ stp1_2 = _mm_unpackhi_epi64(tmp6, tmp4);
+ stp1_3 = _mm_unpacklo_epi64(tmp6, tmp4);
tmp0 = _mm_madd_epi16(lo_56, stg3_0);
tmp2 = _mm_madd_epi16(lo_56, stg2_0); // stg3_1 = stg2_0
tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- stp1_5 = _mm_packs_epi32(tmp0, zero);
- stp1_6 = _mm_packs_epi32(tmp2, zero);
+ stp1_5 = _mm_packs_epi32(tmp0, tmp2);
}
// Stage4
- in0 = _mm_adds_epi16(stp1_0, stp2_7);
- in1 = _mm_adds_epi16(stp1_1, stp1_6);
- in2 = _mm_adds_epi16(stp1_2, stp1_5);
- in3 = _mm_adds_epi16(stp1_3, stp2_4);
- in4 = _mm_subs_epi16(stp1_3, stp2_4);
- in5 = _mm_subs_epi16(stp1_2, stp1_5);
- in6 = _mm_subs_epi16(stp1_1, stp1_6);
- in7 = _mm_subs_epi16(stp1_0, stp2_7);
-
- // Columns. 4x8 Transpose
- TRANSPOSE_4X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
- in4, in5, in6, in7)
-
- // 1D idct8x8
- IDCT8_1D
+ tmp0 = _mm_adds_epi16(stp1_3, stp2_4);
+ tmp1 = _mm_adds_epi16(stp1_2, stp1_5);
+ tmp2 = _mm_subs_epi16(stp1_3, stp2_4);
+ tmp3 = _mm_subs_epi16(stp1_2, stp1_5);
+
+ TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, in0, in1, in2, in3)
+ IDCT8(in0, in1, in2, in3, zero, zero, zero, zero,
+ in0, in1, in2, in3, in4, in5, in6, in7);
// Final rounding and shift
in0 = _mm_adds_epi16(in0, final_rounding);
in1 = _mm_adds_epi16(in1, final_rounding);
RECON_AND_STORE(dest, in7);
}
-#define IDCT16_1D \
+#define IDCT16 \
/* Stage2 */ \
{ \
const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], in[15]); \
stp2_10, stp2_13, stp2_11, stp2_12) \
}
+#define IDCT16_10 \
+ /* Stage2 */ \
+ { \
+ const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], zero); \
+ const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], zero); \
+ const __m128i lo_13_3 = _mm_unpacklo_epi16(zero, in[3]); \
+ const __m128i hi_13_3 = _mm_unpackhi_epi16(zero, in[3]); \
+ \
+ MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_13_3, hi_13_3, \
+ stg2_0, stg2_1, stg2_6, stg2_7, \
+ stp1_8_0, stp1_15, stp1_11, stp1_12_0) \
+ } \
+ \
+ /* Stage3 */ \
+ { \
+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], zero); \
+ const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], zero); \
+ \
+ MULTIPLICATION_AND_ADD_2(lo_2_14, hi_2_14, \
+ stg3_0, stg3_1, \
+ stp2_4, stp2_7) \
+ \
+ stp1_9 = stp1_8_0; \
+ stp1_10 = stp1_11; \
+ \
+ stp1_13 = stp1_12_0; \
+ stp1_14 = stp1_15; \
+ } \
+ \
+ /* Stage4 */ \
+ { \
+ const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero); \
+ const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], zero); \
+ \
+ 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); \
+ \
+ MULTIPLICATION_AND_ADD_2(lo_0_8, hi_0_8, \
+ stg4_0, stg4_1, \
+ stp1_0, stp1_1) \
+ stp2_5 = stp2_4; \
+ stp2_6 = stp2_7; \
+ \
+ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
+ stg4_4, stg4_5, stg4_6, stg4_7, \
+ stp2_9, stp2_14, stp2_10, stp2_13) \
+ } \
+ \
+ /* Stage5 */ \
+ { \
+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
+ \
+ stp1_2 = stp1_1; \
+ stp1_3 = stp1_0; \
+ \
+ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
+ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
+ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
+ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
+ \
+ 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 */ \
+ { \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
+ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
+ \
+ stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
+ stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
+ stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
+ stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
+ \
+ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
+ stg6_0, stg4_0, stg6_0, stg4_0, \
+ stp2_10, stp2_13, stp2_11, stp2_12) \
+ }
+
void vp9_idct16x16_256_add_sse2(const int16_t *input, uint8_t *dest,
int stride) {
const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
array_transpose_8x8(in, in);
array_transpose_8x8(in+8, in+8);
- IDCT16_1D
+ IDCT16
// Stage7
curr1[0] = _mm_add_epi16(stp2_0, stp1_15);
array_transpose_8x8(l+i*8, in);
array_transpose_8x8(r+i*8, in+8);
- IDCT16_1D
+ IDCT16
// 2-D
in[0] = _mm_add_epi16(stp2_0, stp1_15);
res0[15] = tbuf[7];
}
-static void iadst16_1d_8col(__m128i *in) {
+static void iadst16_8col(__m128i *in) {
// perform 16x16 1-D ADST for 8 columns
__m128i s[16], x[16], u[32], v[32];
const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
in[15] = _mm_sub_epi16(kZero, s[1]);
}
-static void idct16_1d_8col(__m128i *in) {
+static void idct16_8col(__m128i *in) {
const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
in[15] = _mm_sub_epi16(s[0], s[15]);
}
-static void idct16_1d_sse2(__m128i *in0, __m128i *in1) {
+static void idct16_sse2(__m128i *in0, __m128i *in1) {
array_transpose_16x16(in0, in1);
- idct16_1d_8col(in0);
- idct16_1d_8col(in1);
+ idct16_8col(in0);
+ idct16_8col(in1);
}
-static void iadst16_1d_sse2(__m128i *in0, __m128i *in1) {
+static void iadst16_sse2(__m128i *in0, __m128i *in1) {
array_transpose_16x16(in0, in1);
- iadst16_1d_8col(in0);
- iadst16_1d_8col(in1);
+ iadst16_8col(in0);
+ iadst16_8col(in1);
}
static INLINE void load_buffer_8x16(const int16_t *input, __m128i *in) {
switch (tx_type) {
case 0: // DCT_DCT
- idct16_1d_sse2(in0, in1);
- idct16_1d_sse2(in0, in1);
+ idct16_sse2(in0, in1);
+ idct16_sse2(in0, in1);
break;
case 1: // ADST_DCT
- idct16_1d_sse2(in0, in1);
- iadst16_1d_sse2(in0, in1);
+ idct16_sse2(in0, in1);
+ iadst16_sse2(in0, in1);
break;
case 2: // DCT_ADST
- iadst16_1d_sse2(in0, in1);
- idct16_1d_sse2(in0, in1);
+ iadst16_sse2(in0, in1);
+ idct16_sse2(in0, in1);
break;
case 3: // ADST_ADST
- iadst16_1d_sse2(in0, in1);
- iadst16_1d_sse2(in0, in1);
+ iadst16_sse2(in0, in1);
+ iadst16_sse2(in0, in1);
break;
default:
assert(0);
const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
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 stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
__m128i in[16], l[16];
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, 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_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14;
__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
int i;
- in[4] = in[5] = in[6] = in[7] = in[12] = in[13] = in[14] = in[15] = zero;
- // 1-D idct. Load input data.
+ // First 1-D inverse DCT
+ // Load input data.
in[0] = _mm_load_si128((const __m128i *)input);
- in[8] = _mm_load_si128((const __m128i *)(input + 8 * 1));
in[1] = _mm_load_si128((const __m128i *)(input + 8 * 2));
- in[9] = _mm_load_si128((const __m128i *)(input + 8 * 3));
in[2] = _mm_load_si128((const __m128i *)(input + 8 * 4));
- in[10] = _mm_load_si128((const __m128i *)(input + 8 * 5));
in[3] = _mm_load_si128((const __m128i *)(input + 8 * 6));
- in[11] = _mm_load_si128((const __m128i *)(input + 8 * 7));
- TRANSPOSE_8X4(in[0], in[1], in[2], in[3], in[0], in[1], in[2], in[3]);
- TRANSPOSE_8X4(in[8], in[9], in[10], in[11], in[8], in[9], in[10], in[11]);
+ TRANSPOSE_8X4(in[0], in[1], in[2], in[3], in[0], in[1]);
// Stage2
{
- const __m128i lo_1_15 = _mm_unpackhi_epi16(in[0], in[11]);
- const __m128i lo_9_7 = _mm_unpackhi_epi16(in[8], in[3]);
- const __m128i lo_5_11 = _mm_unpackhi_epi16(in[2], in[9]);
- const __m128i lo_13_3 = _mm_unpackhi_epi16(in[10], in[1]);
+ const __m128i lo_1_15 = _mm_unpackhi_epi16(in[0], zero);
+ const __m128i lo_13_3 = _mm_unpackhi_epi16(zero, in[1]);
tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
- tmp4 = _mm_madd_epi16(lo_9_7, stg2_2);
- tmp6 = _mm_madd_epi16(lo_9_7, stg2_3);
- tmp1 = _mm_madd_epi16(lo_5_11, stg2_4);
- tmp3 = _mm_madd_epi16(lo_5_11, stg2_5);
tmp5 = _mm_madd_epi16(lo_13_3, stg2_6);
tmp7 = _mm_madd_epi16(lo_13_3, stg2_7);
tmp0 = _mm_add_epi32(tmp0, rounding);
tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
- tmp1 = _mm_add_epi32(tmp1, rounding);
- tmp3 = _mm_add_epi32(tmp3, rounding);
tmp5 = _mm_add_epi32(tmp5, rounding);
tmp7 = _mm_add_epi32(tmp7, rounding);
tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
- stp2_8 = _mm_packs_epi32(tmp0, zero);
- stp2_15 = _mm_packs_epi32(tmp2, zero);
- stp2_9 = _mm_packs_epi32(tmp4, zero);
- stp2_14 = _mm_packs_epi32(tmp6, zero);
-
- stp2_10 = _mm_packs_epi32(tmp1, zero);
- stp2_13 = _mm_packs_epi32(tmp3, zero);
- stp2_11 = _mm_packs_epi32(tmp5, zero);
- stp2_12 = _mm_packs_epi32(tmp7, zero);
+ stp2_8 = _mm_packs_epi32(tmp0, tmp2);
+ stp2_11 = _mm_packs_epi32(tmp5, tmp7);
}
// Stage3
{
- const __m128i lo_2_14 = _mm_unpacklo_epi16(in[1], in[11]);
- const __m128i lo_10_6 = _mm_unpacklo_epi16(in[9], in[3]);
+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in[1], zero);
tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
- tmp4 = _mm_madd_epi16(lo_10_6, stg3_2);
- tmp6 = _mm_madd_epi16(lo_10_6, stg3_3);
tmp0 = _mm_add_epi32(tmp0, rounding);
tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
-
tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
- stp1_4 = _mm_packs_epi32(tmp0, zero);
- stp1_7 = _mm_packs_epi32(tmp2, zero);
- stp1_5 = _mm_packs_epi32(tmp4, zero);
- stp1_6 = _mm_packs_epi32(tmp6, zero);
+ stp1_13 = _mm_unpackhi_epi64(stp2_11, zero);
+ stp1_14 = _mm_unpackhi_epi64(stp2_8, zero);
- stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9);
- stp1_9 = _mm_sub_epi16(stp2_8, stp2_9);
- stp1_10 = _mm_sub_epi16(stp2_11, stp2_10);
- stp1_11 = _mm_add_epi16(stp2_11, stp2_10);
-
- stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13);
- stp1_13 = _mm_sub_epi16(stp2_12, stp2_13);
- stp1_14 = _mm_sub_epi16(stp2_15, stp2_14);
- stp1_15 = _mm_add_epi16(stp2_15, stp2_14);
+ stp1_4 = _mm_packs_epi32(tmp0, tmp2);
}
// Stage4
{
- const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], in[8]);
- const __m128i lo_4_12 = _mm_unpacklo_epi16(in[2], in[10]);
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
+ const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero);
+ 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_madd_epi16(lo_0_8, stg4_0);
tmp2 = _mm_madd_epi16(lo_0_8, stg4_1);
- tmp4 = _mm_madd_epi16(lo_4_12, stg4_2);
- tmp6 = _mm_madd_epi16(lo_4_12, stg4_3);
tmp1 = _mm_madd_epi16(lo_9_14, stg4_4);
tmp3 = _mm_madd_epi16(lo_9_14, stg4_5);
tmp5 = _mm_madd_epi16(lo_10_13, stg4_6);
tmp0 = _mm_add_epi32(tmp0, rounding);
tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
tmp1 = _mm_add_epi32(tmp1, rounding);
tmp3 = _mm_add_epi32(tmp3, rounding);
tmp5 = _mm_add_epi32(tmp5, rounding);
tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
- stp2_0 = _mm_packs_epi32(tmp0, zero);
- stp2_1 = _mm_packs_epi32(tmp2, zero);
- stp2_2 = _mm_packs_epi32(tmp4, zero);
- stp2_3 = _mm_packs_epi32(tmp6, zero);
- stp2_9 = _mm_packs_epi32(tmp1, zero);
- stp2_14 = _mm_packs_epi32(tmp3, zero);
- stp2_10 = _mm_packs_epi32(tmp5, zero);
- stp2_13 = _mm_packs_epi32(tmp7, zero);
-
- stp2_4 = _mm_add_epi16(stp1_4, stp1_5);
- stp2_5 = _mm_sub_epi16(stp1_4, stp1_5);
- stp2_6 = _mm_sub_epi16(stp1_7, stp1_6);
- stp2_7 = _mm_add_epi16(stp1_7, stp1_6);
+ stp1_0 = _mm_packs_epi32(tmp0, tmp0);
+ stp1_1 = _mm_packs_epi32(tmp2, tmp2);
+ stp2_9 = _mm_packs_epi32(tmp1, tmp3);
+ stp2_10 = _mm_packs_epi32(tmp5, tmp7);
+
+ stp2_6 = _mm_unpackhi_epi64(stp1_4, zero);
}
// Stage5 and Stage6
{
- stp1_0 = _mm_add_epi16(stp2_0, stp2_3);
- stp1_1 = _mm_add_epi16(stp2_1, stp2_2);
- stp1_2 = _mm_sub_epi16(stp2_1, stp2_2);
- stp1_3 = _mm_sub_epi16(stp2_0, stp2_3);
-
- 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);
+ 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_unpacklo_epi16(stp2_6, stp2_5);
+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp1_4);
const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
- stp1_5 = _mm_packs_epi32(tmp1, zero);
- stp1_6 = _mm_packs_epi32(tmp3, zero);
+ stp1_6 = _mm_packs_epi32(tmp3, tmp1);
+
stp2_10 = _mm_packs_epi32(tmp0, zero);
stp2_13 = _mm_packs_epi32(tmp2, zero);
stp2_11 = _mm_packs_epi32(tmp4, zero);
stp2_12 = _mm_packs_epi32(tmp6, zero);
- stp2_0 = _mm_add_epi16(stp1_0, stp2_7);
- stp2_1 = _mm_add_epi16(stp1_1, stp1_6);
- stp2_2 = _mm_add_epi16(stp1_2, stp1_5);
- stp2_3 = _mm_add_epi16(stp1_3, stp2_4);
- stp2_4 = _mm_sub_epi16(stp1_3, stp2_4);
- stp2_5 = _mm_sub_epi16(stp1_2, stp1_5);
- stp2_6 = _mm_sub_epi16(stp1_1, stp1_6);
- stp2_7 = _mm_sub_epi16(stp1_0, stp2_7);
+ 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[14] = _mm_sub_epi16(stp2_1, stp1_14);
l[15] = _mm_sub_epi16(stp2_0, stp1_15);
- // 2-D idct. We do 2 8x16 blocks.
+ // Second 1-D inverse transform, performed per 8x16 block
for (i = 0; i < 2; i++) {
array_transpose_4X8(l + 8*i, in);
- in[8] = in[9] = in[10] = in[11] = in[12] = in[13] = in[14] = in[15] = zero;
- IDCT16_1D
+ IDCT16_10
// Stage7
in[0] = _mm_add_epi16(stp2_0, stp1_15);
input += 8; \
} \
-#define IDCT32_1D_34 \
+#define IDCT32_34 \
/* Stage1 */ \
{ \
const __m128i zero = _mm_setzero_si128();\
}
-#define IDCT32_1D \
+#define IDCT32 \
/* Stage1 */ \
{ \
const __m128i lo_1_31 = _mm_unpacklo_epi16(in[1], in[31]); \
array_transpose_8x8(in+16, in+16);
array_transpose_8x8(in+24, in+24);
- IDCT32_1D
+ IDCT32
// 1_D: Store 32 intermediate results for each 8x32 block.
col[0] = _mm_add_epi16(stp1_0, stp1_31);
const __m128i zero = _mm_setzero_si128();
// Transpose 32x8 block to 8x32 block
array_transpose_8x8(col+i*8, in);
- IDCT32_1D_34
+ IDCT32_34
// 2_D: Calculate the results and store them to destination.
in[0] = _mm_add_epi16(stp1_0, stp1_31);
array_transpose_8x8(in+16, in+16);
array_transpose_8x8(in+24, in+24);
- IDCT32_1D
+ IDCT32
// 1_D: Store 32 intermediate results for each 8x32 block.
col[i32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
array_transpose_8x8(col+j+64, in+16);
array_transpose_8x8(col+j+96, in+24);
- IDCT32_1D
+ IDCT32
// 2_D: Calculate the results and store them to destination.
in[0] = _mm_add_epi16(stp1_0, stp1_31);
projects / platform / framework / web / crosswalk.git / blobdiff