Index: source/libvpx/vp9/common/x86/vp9_idct_intrin_ssse3.c |
=================================================================== |
--- source/libvpx/vp9/common/x86/vp9_idct_intrin_ssse3.c (revision 0) |
+++ source/libvpx/vp9/common/x86/vp9_idct_intrin_ssse3.c (revision 0) |
@@ -0,0 +1,762 @@ |
+/* |
+ * Copyright (c) 2014 The WebM project authors. All Rights Reserved. |
+ * |
+ * Use of this source code is governed by a BSD-style license |
+ * that can be found in the LICENSE file in the root of the source |
+ * tree. An additional intellectual property rights grant can be found |
+ * in the file PATENTS. All contributing project authors may |
+ * be found in the AUTHORS file in the root of the source tree. |
+ */ |
+ |
+#if defined(_MSC_VER) && _MSC_VER <= 1500 |
+// Need to include math.h before calling tmmintrin.h/intrin.h |
+// in certain versions of MSVS. |
+#include <math.h> |
+#endif |
+#include <tmmintrin.h> // SSSE3 |
+#include "vp9/common/x86/vp9_idct_intrin_sse2.h" |
+ |
+static void idct16_8col(__m128i *in, int round) { |
+ 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); |
+ const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64); |
+ const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64); |
+ const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64); |
+ const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64); |
+ const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64); |
+ const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64); |
+ const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64); |
+ const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64); |
+ const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64); |
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); |
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); |
+ const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64); |
+ const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); |
+ const __m128i k__cospi_m24_m08 = pair_set_epi16(-cospi_24_64, -cospi_8_64); |
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); |
+ const __m128i k__cospi_p16_p16_x2 = pair_set_epi16(23170, 23170); |
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16(cospi_16_64); |
+ const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64); |
+ |
+ __m128i v[16], u[16], s[16], t[16]; |
+ |
+ // stage 1 |
+ s[0] = in[0]; |
+ s[1] = in[8]; |
+ s[2] = in[4]; |
+ s[3] = in[12]; |
+ s[4] = in[2]; |
+ s[5] = in[10]; |
+ s[6] = in[6]; |
+ s[7] = in[14]; |
+ s[8] = in[1]; |
+ s[9] = in[9]; |
+ s[10] = in[5]; |
+ s[11] = in[13]; |
+ s[12] = in[3]; |
+ s[13] = in[11]; |
+ s[14] = in[7]; |
+ s[15] = in[15]; |
+ |
+ // stage 2 |
+ u[0] = _mm_unpacklo_epi16(s[8], s[15]); |
+ u[1] = _mm_unpackhi_epi16(s[8], s[15]); |
+ u[2] = _mm_unpacklo_epi16(s[9], s[14]); |
+ u[3] = _mm_unpackhi_epi16(s[9], s[14]); |
+ u[4] = _mm_unpacklo_epi16(s[10], s[13]); |
+ u[5] = _mm_unpackhi_epi16(s[10], s[13]); |
+ u[6] = _mm_unpacklo_epi16(s[11], s[12]); |
+ u[7] = _mm_unpackhi_epi16(s[11], s[12]); |
+ |
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p30_m02); |
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p30_m02); |
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p02_p30); |
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p02_p30); |
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p14_m18); |
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p14_m18); |
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p18_p14); |
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p18_p14); |
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p22_m10); |
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p22_m10); |
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p10_p22); |
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p10_p22); |
+ v[12] = _mm_madd_epi16(u[6], k__cospi_p06_m26); |
+ v[13] = _mm_madd_epi16(u[7], k__cospi_p06_m26); |
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p26_p06); |
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p26_p06); |
+ |
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); |
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); |
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); |
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); |
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); |
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); |
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); |
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); |
+ u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); |
+ u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); |
+ u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); |
+ u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); |
+ u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); |
+ u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); |
+ u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); |
+ u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); |
+ |
+ u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); |
+ u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); |
+ u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); |
+ u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); |
+ u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); |
+ u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); |
+ u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); |
+ u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); |
+ u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); |
+ u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); |
+ u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); |
+ u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); |
+ u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); |
+ u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); |
+ u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); |
+ u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); |
+ |
+ s[8] = _mm_packs_epi32(u[0], u[1]); |
+ s[15] = _mm_packs_epi32(u[2], u[3]); |
+ s[9] = _mm_packs_epi32(u[4], u[5]); |
+ s[14] = _mm_packs_epi32(u[6], u[7]); |
+ s[10] = _mm_packs_epi32(u[8], u[9]); |
+ s[13] = _mm_packs_epi32(u[10], u[11]); |
+ s[11] = _mm_packs_epi32(u[12], u[13]); |
+ s[12] = _mm_packs_epi32(u[14], u[15]); |
+ |
+ // stage 3 |
+ t[0] = s[0]; |
+ t[1] = s[1]; |
+ t[2] = s[2]; |
+ t[3] = s[3]; |
+ u[0] = _mm_unpacklo_epi16(s[4], s[7]); |
+ u[1] = _mm_unpackhi_epi16(s[4], s[7]); |
+ u[2] = _mm_unpacklo_epi16(s[5], s[6]); |
+ u[3] = _mm_unpackhi_epi16(s[5], s[6]); |
+ |
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p28_m04); |
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p28_m04); |
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p04_p28); |
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p04_p28); |
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p12_m20); |
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p12_m20); |
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p20_p12); |
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p20_p12); |
+ |
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); |
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); |
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); |
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); |
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); |
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); |
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); |
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); |
+ |
+ u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); |
+ u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); |
+ u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); |
+ u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); |
+ u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); |
+ u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); |
+ u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); |
+ u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); |
+ |
+ t[4] = _mm_packs_epi32(u[0], u[1]); |
+ t[7] = _mm_packs_epi32(u[2], u[3]); |
+ t[5] = _mm_packs_epi32(u[4], u[5]); |
+ t[6] = _mm_packs_epi32(u[6], u[7]); |
+ t[8] = _mm_add_epi16(s[8], s[9]); |
+ t[9] = _mm_sub_epi16(s[8], s[9]); |
+ t[10] = _mm_sub_epi16(s[11], s[10]); |
+ t[11] = _mm_add_epi16(s[10], s[11]); |
+ t[12] = _mm_add_epi16(s[12], s[13]); |
+ t[13] = _mm_sub_epi16(s[12], s[13]); |
+ t[14] = _mm_sub_epi16(s[15], s[14]); |
+ t[15] = _mm_add_epi16(s[14], s[15]); |
+ |
+ // stage 4 |
+ u[0] = _mm_add_epi16(t[0], t[1]); |
+ u[1] = _mm_sub_epi16(t[0], t[1]); |
+ u[2] = _mm_unpacklo_epi16(t[2], t[3]); |
+ u[3] = _mm_unpackhi_epi16(t[2], t[3]); |
+ u[4] = _mm_unpacklo_epi16(t[9], t[14]); |
+ u[5] = _mm_unpackhi_epi16(t[9], t[14]); |
+ u[6] = _mm_unpacklo_epi16(t[10], t[13]); |
+ u[7] = _mm_unpackhi_epi16(t[10], t[13]); |
+ |
+ s[0] = _mm_mulhrs_epi16(u[0], k__cospi_p16_p16_x2); |
+ s[1] = _mm_mulhrs_epi16(u[1], k__cospi_p16_p16_x2); |
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p24_m08); |
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p24_m08); |
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24); |
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24); |
+ v[8] = _mm_madd_epi16(u[4], k__cospi_m08_p24); |
+ v[9] = _mm_madd_epi16(u[5], k__cospi_m08_p24); |
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p24_p08); |
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p24_p08); |
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m24_m08); |
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m24_m08); |
+ v[14] = _mm_madd_epi16(u[6], k__cospi_m08_p24); |
+ v[15] = _mm_madd_epi16(u[7], k__cospi_m08_p24); |
+ |
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); |
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); |
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); |
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); |
+ u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); |
+ u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); |
+ u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); |
+ u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); |
+ u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); |
+ u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); |
+ u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); |
+ u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); |
+ |
+ u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); |
+ u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); |
+ u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); |
+ u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); |
+ u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); |
+ u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); |
+ u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); |
+ u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); |
+ u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); |
+ u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); |
+ u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); |
+ u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); |
+ |
+ s[2] = _mm_packs_epi32(u[4], u[5]); |
+ s[3] = _mm_packs_epi32(u[6], u[7]); |
+ s[4] = _mm_add_epi16(t[4], t[5]); |
+ s[5] = _mm_sub_epi16(t[4], t[5]); |
+ s[6] = _mm_sub_epi16(t[7], t[6]); |
+ s[7] = _mm_add_epi16(t[6], t[7]); |
+ s[8] = t[8]; |
+ s[15] = t[15]; |
+ s[9] = _mm_packs_epi32(u[8], u[9]); |
+ s[14] = _mm_packs_epi32(u[10], u[11]); |
+ s[10] = _mm_packs_epi32(u[12], u[13]); |
+ s[13] = _mm_packs_epi32(u[14], u[15]); |
+ s[11] = t[11]; |
+ s[12] = t[12]; |
+ |
+ // stage 5 |
+ t[0] = _mm_add_epi16(s[0], s[3]); |
+ t[1] = _mm_add_epi16(s[1], s[2]); |
+ t[2] = _mm_sub_epi16(s[1], s[2]); |
+ t[3] = _mm_sub_epi16(s[0], s[3]); |
+ t[4] = s[4]; |
+ t[7] = s[7]; |
+ |
+ u[0] = _mm_sub_epi16(s[6], s[5]); |
+ u[1] = _mm_add_epi16(s[6], s[5]); |
+ t[5] = _mm_mulhrs_epi16(u[0], k__cospi_p16_p16_x2); |
+ t[6] = _mm_mulhrs_epi16(u[1], k__cospi_p16_p16_x2); |
+ |
+ t[8] = _mm_add_epi16(s[8], s[11]); |
+ t[9] = _mm_add_epi16(s[9], s[10]); |
+ t[10] = _mm_sub_epi16(s[9], s[10]); |
+ t[11] = _mm_sub_epi16(s[8], s[11]); |
+ t[12] = _mm_sub_epi16(s[15], s[12]); |
+ t[13] = _mm_sub_epi16(s[14], s[13]); |
+ t[14] = _mm_add_epi16(s[13], s[14]); |
+ t[15] = _mm_add_epi16(s[12], s[15]); |
+ |
+ // stage 6 |
+ if (round == 1) { |
+ s[0] = _mm_add_epi16(t[0], t[7]); |
+ s[1] = _mm_add_epi16(t[1], t[6]); |
+ s[2] = _mm_add_epi16(t[2], t[5]); |
+ s[3] = _mm_add_epi16(t[3], t[4]); |
+ s[4] = _mm_sub_epi16(t[3], t[4]); |
+ s[5] = _mm_sub_epi16(t[2], t[5]); |
+ s[6] = _mm_sub_epi16(t[1], t[6]); |
+ s[7] = _mm_sub_epi16(t[0], t[7]); |
+ s[8] = t[8]; |
+ s[9] = t[9]; |
+ |
+ u[0] = _mm_unpacklo_epi16(t[10], t[13]); |
+ u[1] = _mm_unpackhi_epi16(t[10], t[13]); |
+ u[2] = _mm_unpacklo_epi16(t[11], t[12]); |
+ u[3] = _mm_unpackhi_epi16(t[11], t[12]); |
+ |
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16); |
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16); |
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16); |
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16); |
+ v[4] = _mm_madd_epi16(u[2], k__cospi_m16_p16); |
+ v[5] = _mm_madd_epi16(u[3], k__cospi_m16_p16); |
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p16_p16); |
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p16_p16); |
+ |
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); |
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); |
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); |
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); |
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); |
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); |
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); |
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); |
+ |
+ u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); |
+ u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); |
+ u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); |
+ u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); |
+ u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); |
+ u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); |
+ u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); |
+ u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); |
+ |
+ s[10] = _mm_packs_epi32(u[0], u[1]); |
+ s[13] = _mm_packs_epi32(u[2], u[3]); |
+ s[11] = _mm_packs_epi32(u[4], u[5]); |
+ s[12] = _mm_packs_epi32(u[6], u[7]); |
+ s[14] = t[14]; |
+ s[15] = t[15]; |
+ } else { |
+ s[0] = _mm_add_epi16(t[0], t[7]); |
+ s[1] = _mm_add_epi16(t[1], t[6]); |
+ s[2] = _mm_add_epi16(t[2], t[5]); |
+ s[3] = _mm_add_epi16(t[3], t[4]); |
+ s[4] = _mm_sub_epi16(t[3], t[4]); |
+ s[5] = _mm_sub_epi16(t[2], t[5]); |
+ s[6] = _mm_sub_epi16(t[1], t[6]); |
+ s[7] = _mm_sub_epi16(t[0], t[7]); |
+ s[8] = t[8]; |
+ s[9] = t[9]; |
+ |
+ u[0] = _mm_sub_epi16(t[13], t[10]); |
+ u[1] = _mm_add_epi16(t[13], t[10]); |
+ u[2] = _mm_sub_epi16(t[12], t[11]); |
+ u[3] = _mm_add_epi16(t[12], t[11]); |
+ |
+ s[10] = _mm_mulhrs_epi16(u[0], k__cospi_p16_p16_x2); |
+ s[13] = _mm_mulhrs_epi16(u[1], k__cospi_p16_p16_x2); |
+ s[11] = _mm_mulhrs_epi16(u[2], k__cospi_p16_p16_x2); |
+ s[12] = _mm_mulhrs_epi16(u[3], k__cospi_p16_p16_x2); |
+ s[14] = t[14]; |
+ s[15] = t[15]; |
+ } |
+ |
+ // stage 7 |
+ in[0] = _mm_add_epi16(s[0], s[15]); |
+ in[1] = _mm_add_epi16(s[1], s[14]); |
+ in[2] = _mm_add_epi16(s[2], s[13]); |
+ in[3] = _mm_add_epi16(s[3], s[12]); |
+ in[4] = _mm_add_epi16(s[4], s[11]); |
+ in[5] = _mm_add_epi16(s[5], s[10]); |
+ in[6] = _mm_add_epi16(s[6], s[9]); |
+ in[7] = _mm_add_epi16(s[7], s[8]); |
+ in[8] = _mm_sub_epi16(s[7], s[8]); |
+ in[9] = _mm_sub_epi16(s[6], s[9]); |
+ in[10] = _mm_sub_epi16(s[5], s[10]); |
+ in[11] = _mm_sub_epi16(s[4], s[11]); |
+ in[12] = _mm_sub_epi16(s[3], s[12]); |
+ in[13] = _mm_sub_epi16(s[2], s[13]); |
+ in[14] = _mm_sub_epi16(s[1], s[14]); |
+ in[15] = _mm_sub_epi16(s[0], s[15]); |
+} |
+ |
+static void idct16_sse2(__m128i *in0, __m128i *in1, int round) { |
+ array_transpose_16x16(in0, in1); |
+ idct16_8col(in0, round); |
+ idct16_8col(in1, round); |
+} |
+ |
+void vp9_idct16x16_256_add_ssse3(const int16_t *input, uint8_t *dest, |
+ int stride) { |
+ __m128i in0[16], in1[16]; |
+ |
+ load_buffer_8x16(input, in0); |
+ input += 8; |
+ load_buffer_8x16(input, in1); |
+ |
+ idct16_sse2(in0, in1, 0); |
+ idct16_sse2(in0, in1, 1); |
+ |
+ write_buffer_8x16(dest, in0, stride); |
+ 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); |
+ } |
+} |