ref: e4419ab691f34d975001a3ddf5617ca0b8e96c7b
parent: e7922a5b70964dff3841fffec21550bb4e931891
author: Abo Talib Mahfoodh <[email protected]>
date: Mon Dec 2 16:04:18 EST 2013
Improve idct16x16: _256_add_sse2(x1.107)&_10_add_sse2(x1.012) The performance gain of idct16x16_10_add_sse2 function is not noticeable. However since both functions use the IDCT16_1D, idct16x16_10_add_sse2 should be modified as well. Tested with: park_joy_420_720p50.y4m Change-Id: I02b957e36fcf997c677d15baf496533895271bff
--- a/vp9/common/x86/vp9_idct_intrin_sse2.c
+++ b/vp9/common/x86/vp9_idct_intrin_sse2.c
@@ -650,6 +650,25 @@
res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7);
}
+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]);
+ 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);
+ out[4] = out[5] = out[6] = out[7] = zero;
+}
+
static void idct8_1d_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);
@@ -1139,14 +1158,14 @@
#define IDCT16_1D \
/* Stage2 */ \
{ \- const __m128i lo_1_15 = _mm_unpacklo_epi16(in1, in15); \
- const __m128i hi_1_15 = _mm_unpackhi_epi16(in1, in15); \
- const __m128i lo_9_7 = _mm_unpacklo_epi16(in9, in7); \
- const __m128i hi_9_7 = _mm_unpackhi_epi16(in9, in7); \
- const __m128i lo_5_11 = _mm_unpacklo_epi16(in5, in11); \
- const __m128i hi_5_11 = _mm_unpackhi_epi16(in5, in11); \
- const __m128i lo_13_3 = _mm_unpacklo_epi16(in13, in3); \
- const __m128i hi_13_3 = _mm_unpackhi_epi16(in13, in3); \
+ const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], in[15]); \
+ const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], in[15]); \
+ const __m128i lo_9_7 = _mm_unpacklo_epi16(in[9], in[7]); \
+ const __m128i hi_9_7 = _mm_unpackhi_epi16(in[9], in[7]); \
+ const __m128i lo_5_11 = _mm_unpacklo_epi16(in[5], in[11]); \
+ const __m128i hi_5_11 = _mm_unpackhi_epi16(in[5], in[11]); \
+ const __m128i lo_13_3 = _mm_unpacklo_epi16(in[13], in[3]); \
+ const __m128i hi_13_3 = _mm_unpackhi_epi16(in[13], in[3]); \
\
MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_9_7, hi_9_7, \
stg2_0, stg2_1, stg2_2, stg2_3, \
@@ -1159,10 +1178,10 @@
\
/* Stage3 */ \
{ \- const __m128i lo_2_14 = _mm_unpacklo_epi16(in2, in14); \
- const __m128i hi_2_14 = _mm_unpackhi_epi16(in2, in14); \
- const __m128i lo_10_6 = _mm_unpacklo_epi16(in10, in6); \
- const __m128i hi_10_6 = _mm_unpackhi_epi16(in10, in6); \
+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], in[14]); \
+ const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], in[14]); \
+ const __m128i lo_10_6 = _mm_unpacklo_epi16(in[10], in[6]); \
+ const __m128i hi_10_6 = _mm_unpackhi_epi16(in[10], in[6]); \
\
MULTIPLICATION_AND_ADD(lo_2_14, hi_2_14, lo_10_6, hi_10_6, \
stg3_0, stg3_1, stg3_2, stg3_3, \
@@ -1181,10 +1200,10 @@
\
/* Stage4 */ \
{ \- const __m128i lo_0_8 = _mm_unpacklo_epi16(in0, in8); \
- const __m128i hi_0_8 = _mm_unpackhi_epi16(in0, in8); \
- const __m128i lo_4_12 = _mm_unpacklo_epi16(in4, in12); \
- const __m128i hi_4_12 = _mm_unpackhi_epi16(in4, in12); \
+ const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], in[8]); \
+ const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], in[8]); \
+ const __m128i lo_4_12 = _mm_unpacklo_epi16(in[4], in[12]); \
+ const __m128i hi_4_12 = _mm_unpackhi_epi16(in[4], in[12]); \
\
const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
@@ -1296,16 +1315,7 @@
const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
- __m128i in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
- in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
- in10 = zero, in11 = zero, in12 = zero, in13 = zero,
- in14 = zero, in15 = zero;
- __m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
- l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
- l12 = zero, l13 = zero, l14 = zero, l15 = zero;
- __m128i r0 = zero, r1 = zero, r2 = zero, r3 = zero, r4 = zero, r5 = zero,
- r6 = zero, r7 = zero, r8 = zero, r9 = zero, r10 = zero, r11 = zero,
- r12 = zero, r13 = zero, r14 = zero, r15 = zero;
+ __m128i in[16], l[16], r[16], *curr1;
__m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
stp1_8_0, stp1_12_0;
@@ -1314,162 +1324,132 @@
__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
int i;
- // We work on a 8x16 block each time, and loop 4 times for 2-D 16x16 idct.
- for (i = 0; i < 4; i++) {- // 1-D idct
- if (i < 2) {- if (i == 1) input += 128;
+ curr1 = l;
+ for (i = 0; i < 2; i++) {+ // 1-D idct
// Load input data.
- in0 = _mm_load_si128((const __m128i *)input);
- in8 = _mm_load_si128((const __m128i *)(input + 8 * 1));
- in1 = _mm_load_si128((const __m128i *)(input + 8 * 2));
- in9 = _mm_load_si128((const __m128i *)(input + 8 * 3));
- in2 = _mm_load_si128((const __m128i *)(input + 8 * 4));
- in10 = _mm_load_si128((const __m128i *)(input + 8 * 5));
- in3 = _mm_load_si128((const __m128i *)(input + 8 * 6));
- in11 = _mm_load_si128((const __m128i *)(input + 8 * 7));
- in4 = _mm_load_si128((const __m128i *)(input + 8 * 8));
- in12 = _mm_load_si128((const __m128i *)(input + 8 * 9));
- in5 = _mm_load_si128((const __m128i *)(input + 8 * 10));
- in13 = _mm_load_si128((const __m128i *)(input + 8 * 11));
- in6 = _mm_load_si128((const __m128i *)(input + 8 * 12));
- in14 = _mm_load_si128((const __m128i *)(input + 8 * 13));
- in7 = _mm_load_si128((const __m128i *)(input + 8 * 14));
- in15 = _mm_load_si128((const __m128i *)(input + 8 * 15));
+ 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));
+ in[4] = _mm_load_si128((const __m128i *)(input + 8 * 8));
+ in[12] = _mm_load_si128((const __m128i *)(input + 8 * 9));
+ in[5] = _mm_load_si128((const __m128i *)(input + 8 * 10));
+ in[13] = _mm_load_si128((const __m128i *)(input + 8 * 11));
+ in[6] = _mm_load_si128((const __m128i *)(input + 8 * 12));
+ in[14] = _mm_load_si128((const __m128i *)(input + 8 * 13));
+ in[7] = _mm_load_si128((const __m128i *)(input + 8 * 14));
+ in[15] = _mm_load_si128((const __m128i *)(input + 8 * 15));
- TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
- in4, in5, in6, in7);
- TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
- in10, in11, in12, in13, in14, in15);
- }
+ array_transpose_8x8(in, in);
+ array_transpose_8x8(in+8, in+8);
- if (i == 2) {- TRANSPOSE_8X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
- in5, in6, in7);
- TRANSPOSE_8X8(r0, r1, r2, r3, r4, r5, r6, r7, in8, in9, in10, in11, in12,
- in13, in14, in15);
- }
+ IDCT16_1D
- if (i == 3) {- TRANSPOSE_8X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
- in4, in5, in6, in7);
- TRANSPOSE_8X8(r8, r9, r10, r11, r12, r13, r14, r15, in8, in9, in10, in11,
- in12, in13, in14, in15);
- }
+ // Stage7
+ curr1[0] = _mm_add_epi16(stp2_0, stp1_15);
+ curr1[1] = _mm_add_epi16(stp2_1, stp1_14);
+ curr1[2] = _mm_add_epi16(stp2_2, stp2_13);
+ curr1[3] = _mm_add_epi16(stp2_3, stp2_12);
+ curr1[4] = _mm_add_epi16(stp2_4, stp2_11);
+ curr1[5] = _mm_add_epi16(stp2_5, stp2_10);
+ curr1[6] = _mm_add_epi16(stp2_6, stp1_9);
+ curr1[7] = _mm_add_epi16(stp2_7, stp1_8);
+ curr1[8] = _mm_sub_epi16(stp2_7, stp1_8);
+ curr1[9] = _mm_sub_epi16(stp2_6, stp1_9);
+ curr1[10] = _mm_sub_epi16(stp2_5, stp2_10);
+ curr1[11] = _mm_sub_epi16(stp2_4, stp2_11);
+ curr1[12] = _mm_sub_epi16(stp2_3, stp2_12);
+ curr1[13] = _mm_sub_epi16(stp2_2, stp2_13);
+ curr1[14] = _mm_sub_epi16(stp2_1, stp1_14);
+ curr1[15] = _mm_sub_epi16(stp2_0, stp1_15);
- IDCT16_1D
+ curr1 = r;
+ input += 128;
+ }
+ for (i = 0; i < 2; i++) {+ // 1-D idct
+ array_transpose_8x8(l+i*8, in);
+ array_transpose_8x8(r+i*8, in+8);
- // Stage7
- if (i == 0) {- // Left 8x16
- l0 = _mm_add_epi16(stp2_0, stp1_15);
- l1 = _mm_add_epi16(stp2_1, stp1_14);
- l2 = _mm_add_epi16(stp2_2, stp2_13);
- l3 = _mm_add_epi16(stp2_3, stp2_12);
- l4 = _mm_add_epi16(stp2_4, stp2_11);
- l5 = _mm_add_epi16(stp2_5, stp2_10);
- l6 = _mm_add_epi16(stp2_6, stp1_9);
- l7 = _mm_add_epi16(stp2_7, stp1_8);
- l8 = _mm_sub_epi16(stp2_7, stp1_8);
- l9 = _mm_sub_epi16(stp2_6, stp1_9);
- l10 = _mm_sub_epi16(stp2_5, stp2_10);
- l11 = _mm_sub_epi16(stp2_4, stp2_11);
- l12 = _mm_sub_epi16(stp2_3, stp2_12);
- l13 = _mm_sub_epi16(stp2_2, stp2_13);
- l14 = _mm_sub_epi16(stp2_1, stp1_14);
- l15 = _mm_sub_epi16(stp2_0, stp1_15);
- } else if (i == 1) {- // Right 8x16
- r0 = _mm_add_epi16(stp2_0, stp1_15);
- r1 = _mm_add_epi16(stp2_1, stp1_14);
- r2 = _mm_add_epi16(stp2_2, stp2_13);
- r3 = _mm_add_epi16(stp2_3, stp2_12);
- r4 = _mm_add_epi16(stp2_4, stp2_11);
- r5 = _mm_add_epi16(stp2_5, stp2_10);
- r6 = _mm_add_epi16(stp2_6, stp1_9);
- r7 = _mm_add_epi16(stp2_7, stp1_8);
- r8 = _mm_sub_epi16(stp2_7, stp1_8);
- r9 = _mm_sub_epi16(stp2_6, stp1_9);
- r10 = _mm_sub_epi16(stp2_5, stp2_10);
- r11 = _mm_sub_epi16(stp2_4, stp2_11);
- r12 = _mm_sub_epi16(stp2_3, stp2_12);
- r13 = _mm_sub_epi16(stp2_2, stp2_13);
- r14 = _mm_sub_epi16(stp2_1, stp1_14);
- r15 = _mm_sub_epi16(stp2_0, stp1_15);
- } else {+ IDCT16_1D
+
// 2-D
- in0 = _mm_add_epi16(stp2_0, stp1_15);
- in1 = _mm_add_epi16(stp2_1, stp1_14);
- in2 = _mm_add_epi16(stp2_2, stp2_13);
- in3 = _mm_add_epi16(stp2_3, stp2_12);
- in4 = _mm_add_epi16(stp2_4, stp2_11);
- in5 = _mm_add_epi16(stp2_5, stp2_10);
- in6 = _mm_add_epi16(stp2_6, stp1_9);
- in7 = _mm_add_epi16(stp2_7, stp1_8);
- in8 = _mm_sub_epi16(stp2_7, stp1_8);
- in9 = _mm_sub_epi16(stp2_6, stp1_9);
- in10 = _mm_sub_epi16(stp2_5, stp2_10);
- in11 = _mm_sub_epi16(stp2_4, stp2_11);
- in12 = _mm_sub_epi16(stp2_3, stp2_12);
- in13 = _mm_sub_epi16(stp2_2, stp2_13);
- in14 = _mm_sub_epi16(stp2_1, stp1_14);
- in15 = _mm_sub_epi16(stp2_0, stp1_15);
+ 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);
// Final rounding and shift
- in0 = _mm_adds_epi16(in0, final_rounding);
- in1 = _mm_adds_epi16(in1, final_rounding);
- in2 = _mm_adds_epi16(in2, final_rounding);
- in3 = _mm_adds_epi16(in3, final_rounding);
- in4 = _mm_adds_epi16(in4, final_rounding);
- in5 = _mm_adds_epi16(in5, final_rounding);
- in6 = _mm_adds_epi16(in6, final_rounding);
- in7 = _mm_adds_epi16(in7, final_rounding);
- in8 = _mm_adds_epi16(in8, final_rounding);
- in9 = _mm_adds_epi16(in9, final_rounding);
- in10 = _mm_adds_epi16(in10, final_rounding);
- in11 = _mm_adds_epi16(in11, final_rounding);
- in12 = _mm_adds_epi16(in12, final_rounding);
- in13 = _mm_adds_epi16(in13, final_rounding);
- in14 = _mm_adds_epi16(in14, final_rounding);
- in15 = _mm_adds_epi16(in15, final_rounding);
+ 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);
- in0 = _mm_srai_epi16(in0, 6);
- in1 = _mm_srai_epi16(in1, 6);
- in2 = _mm_srai_epi16(in2, 6);
- in3 = _mm_srai_epi16(in3, 6);
- in4 = _mm_srai_epi16(in4, 6);
- in5 = _mm_srai_epi16(in5, 6);
- in6 = _mm_srai_epi16(in6, 6);
- in7 = _mm_srai_epi16(in7, 6);
- in8 = _mm_srai_epi16(in8, 6);
- in9 = _mm_srai_epi16(in9, 6);
- in10 = _mm_srai_epi16(in10, 6);
- in11 = _mm_srai_epi16(in11, 6);
- in12 = _mm_srai_epi16(in12, 6);
- in13 = _mm_srai_epi16(in13, 6);
- in14 = _mm_srai_epi16(in14, 6);
- in15 = _mm_srai_epi16(in15, 6);
+ 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, in0);
- RECON_AND_STORE(dest, in1);
- RECON_AND_STORE(dest, in2);
- RECON_AND_STORE(dest, in3);
- RECON_AND_STORE(dest, in4);
- RECON_AND_STORE(dest, in5);
- RECON_AND_STORE(dest, in6);
- RECON_AND_STORE(dest, in7);
- RECON_AND_STORE(dest, in8);
- RECON_AND_STORE(dest, in9);
- RECON_AND_STORE(dest, in10);
- RECON_AND_STORE(dest, in11);
- RECON_AND_STORE(dest, in12);
- RECON_AND_STORE(dest, in13);
- RECON_AND_STORE(dest, in14);
- RECON_AND_STORE(dest, in15);
+ 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);
- }
}
}
@@ -2489,15 +2469,7 @@
const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
-
- __m128i in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
- in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
- in10 = zero, in11 = zero, in12 = zero, in13 = zero,
- in14 = zero, in15 = zero;
- __m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
- l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
- l12 = zero, l13 = zero, l14 = zero, l15 = zero;
-
+ __m128i in[16], l[16];
__m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
stp1_8_0, stp1_12_0;
@@ -2505,25 +2477,26 @@
stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
__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.
- in0 = _mm_load_si128((const __m128i *)input);
- in8 = _mm_load_si128((const __m128i *)(input + 8 * 1));
- in1 = _mm_load_si128((const __m128i *)(input + 8 * 2));
- in9 = _mm_load_si128((const __m128i *)(input + 8 * 3));
- in2 = _mm_load_si128((const __m128i *)(input + 8 * 4));
- in10 = _mm_load_si128((const __m128i *)(input + 8 * 5));
- in3 = _mm_load_si128((const __m128i *)(input + 8 * 6));
- in11 = _mm_load_si128((const __m128i *)(input + 8 * 7));
+ 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(in0, in1, in2, in3, in0, in1, in2, in3);
- TRANSPOSE_8X4(in8, in9, in10, in11, in8, in9, in10, in11);
+ 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]);
// Stage2
{- const __m128i lo_1_15 = _mm_unpackhi_epi16(in0, in11);
- const __m128i lo_9_7 = _mm_unpackhi_epi16(in8, in3);
- const __m128i lo_5_11 = _mm_unpackhi_epi16(in2, in9);
- const __m128i lo_13_3 = _mm_unpackhi_epi16(in10, in1);
+ 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]);
tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
@@ -2565,8 +2538,8 @@
// Stage3
{- const __m128i lo_2_14 = _mm_unpacklo_epi16(in1, in11);
- const __m128i lo_10_6 = _mm_unpacklo_epi16(in9, in3);
+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in[1], in[11]);
+ const __m128i lo_10_6 = _mm_unpacklo_epi16(in[9], in[3]);
tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
@@ -2601,8 +2574,8 @@
// Stage4
{- const __m128i lo_0_8 = _mm_unpacklo_epi16(in0, in8);
- const __m128i lo_4_12 = _mm_unpacklo_epi16(in2, in10);
+ 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);
@@ -2711,106 +2684,99 @@
}
// Stage7. Left 8x16 only.
- l0 = _mm_add_epi16(stp2_0, stp1_15);
- l1 = _mm_add_epi16(stp2_1, stp1_14);
- l2 = _mm_add_epi16(stp2_2, stp2_13);
- l3 = _mm_add_epi16(stp2_3, stp2_12);
- l4 = _mm_add_epi16(stp2_4, stp2_11);
- l5 = _mm_add_epi16(stp2_5, stp2_10);
- l6 = _mm_add_epi16(stp2_6, stp1_9);
- l7 = _mm_add_epi16(stp2_7, stp1_8);
- l8 = _mm_sub_epi16(stp2_7, stp1_8);
- l9 = _mm_sub_epi16(stp2_6, stp1_9);
- l10 = _mm_sub_epi16(stp2_5, stp2_10);
- l11 = _mm_sub_epi16(stp2_4, stp2_11);
- l12 = _mm_sub_epi16(stp2_3, stp2_12);
- l13 = _mm_sub_epi16(stp2_2, stp2_13);
- l14 = _mm_sub_epi16(stp2_1, stp1_14);
- l15 = _mm_sub_epi16(stp2_0, stp1_15);
+ 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);
// 2-D idct. We do 2 8x16 blocks.
for (i = 0; i < 2; i++) {- if (i == 0)
- TRANSPOSE_4X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
- in5, in6, in7);
+ array_transpose_4X8(l + 8*i, in);
+ in[8] = in[9] = in[10] = in[11] = in[12] = in[13] = in[14] = in[15] = zero;
- if (i == 1)
- TRANSPOSE_4X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
- in4, in5, in6, in7);
-
- in8 = in9 = in10 = in11 = in12 = in13 = in14 = in15 = zero;
-
IDCT16_1D
// Stage7
- in0 = _mm_add_epi16(stp2_0, stp1_15);
- in1 = _mm_add_epi16(stp2_1, stp1_14);
- in2 = _mm_add_epi16(stp2_2, stp2_13);
- in3 = _mm_add_epi16(stp2_3, stp2_12);
- in4 = _mm_add_epi16(stp2_4, stp2_11);
- in5 = _mm_add_epi16(stp2_5, stp2_10);
- in6 = _mm_add_epi16(stp2_6, stp1_9);
- in7 = _mm_add_epi16(stp2_7, stp1_8);
- in8 = _mm_sub_epi16(stp2_7, stp1_8);
- in9 = _mm_sub_epi16(stp2_6, stp1_9);
- in10 = _mm_sub_epi16(stp2_5, stp2_10);
- in11 = _mm_sub_epi16(stp2_4, stp2_11);
- in12 = _mm_sub_epi16(stp2_3, stp2_12);
- in13 = _mm_sub_epi16(stp2_2, stp2_13);
- in14 = _mm_sub_epi16(stp2_1, stp1_14);
- in15 = _mm_sub_epi16(stp2_0, stp1_15);
+ 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);
// Final rounding and shift
- in0 = _mm_adds_epi16(in0, final_rounding);
- in1 = _mm_adds_epi16(in1, final_rounding);
- in2 = _mm_adds_epi16(in2, final_rounding);
- in3 = _mm_adds_epi16(in3, final_rounding);
- in4 = _mm_adds_epi16(in4, final_rounding);
- in5 = _mm_adds_epi16(in5, final_rounding);
- in6 = _mm_adds_epi16(in6, final_rounding);
- in7 = _mm_adds_epi16(in7, final_rounding);
- in8 = _mm_adds_epi16(in8, final_rounding);
- in9 = _mm_adds_epi16(in9, final_rounding);
- in10 = _mm_adds_epi16(in10, final_rounding);
- in11 = _mm_adds_epi16(in11, final_rounding);
- in12 = _mm_adds_epi16(in12, final_rounding);
- in13 = _mm_adds_epi16(in13, final_rounding);
- in14 = _mm_adds_epi16(in14, final_rounding);
- in15 = _mm_adds_epi16(in15, final_rounding);
+ 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);
- in0 = _mm_srai_epi16(in0, 6);
- in1 = _mm_srai_epi16(in1, 6);
- in2 = _mm_srai_epi16(in2, 6);
- in3 = _mm_srai_epi16(in3, 6);
- in4 = _mm_srai_epi16(in4, 6);
- in5 = _mm_srai_epi16(in5, 6);
- in6 = _mm_srai_epi16(in6, 6);
- in7 = _mm_srai_epi16(in7, 6);
- in8 = _mm_srai_epi16(in8, 6);
- in9 = _mm_srai_epi16(in9, 6);
- in10 = _mm_srai_epi16(in10, 6);
- in11 = _mm_srai_epi16(in11, 6);
- in12 = _mm_srai_epi16(in12, 6);
- in13 = _mm_srai_epi16(in13, 6);
- in14 = _mm_srai_epi16(in14, 6);
- in15 = _mm_srai_epi16(in15, 6);
+ 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, in0);
- RECON_AND_STORE(dest, in1);
- RECON_AND_STORE(dest, in2);
- RECON_AND_STORE(dest, in3);
- RECON_AND_STORE(dest, in4);
- RECON_AND_STORE(dest, in5);
- RECON_AND_STORE(dest, in6);
- RECON_AND_STORE(dest, in7);
- RECON_AND_STORE(dest, in8);
- RECON_AND_STORE(dest, in9);
- RECON_AND_STORE(dest, in10);
- RECON_AND_STORE(dest, in11);
- RECON_AND_STORE(dest, in12);
- RECON_AND_STORE(dest, in13);
- RECON_AND_STORE(dest, in14);
- RECON_AND_STORE(dest, in15);
+ 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);
}