shithub: libvpx

Download patch

ref: c1a90dc160d1c14d973526528f92494c76982a28
parent: 25301a84a8fe65f57cfe7d67001912b44f5085c8
parent: bd86de1ac8f1d3f5fa894e2605821914c2d9ff22
author: Yi Luo <[email protected]>
date: Tue Feb 14 15:13:26 EST 2017

Merge "Replace idct32x32_34_add_ssse3 assembly with intrinsics"

--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -806,7 +806,7 @@
     $vpx_idct32x32_135_add_msa=vpx_idct32x32_1024_add_msa;
 
     add_proto qw/void vpx_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int stride";
-    specialize qw/vpx_idct32x32_34_add sse2 neon dspr2 msa/, "$ssse3_x86_64";
+    specialize qw/vpx_idct32x32_34_add sse2 ssse3 neon dspr2 msa/;
 
     add_proto qw/void vpx_idct32x32_1_add/, "const tran_low_t *input, uint8_t *dest, int stride";
     specialize qw/vpx_idct32x32_1_add sse2 neon dspr2 msa/;
--- a/vpx_dsp/x86/inv_txfm_sse2.c
+++ b/vpx_dsp/x86/inv_txfm_sse2.c
@@ -263,43 +263,6 @@
   in[1] = _mm_packs_epi32(u[2], u[3]);
 }
 
-// Define Macro for multiplying elements by constants and adding them together.
-#define MULTIPLICATION_AND_ADD(lo_0, hi_0, lo_1, hi_1, cst0, cst1, cst2, cst3, \
-                               res0, res1, res2, res3)                         \
-  {                                                                            \
-    tmp0 = _mm_madd_epi16(lo_0, cst0);                                         \
-    tmp1 = _mm_madd_epi16(hi_0, cst0);                                         \
-    tmp2 = _mm_madd_epi16(lo_0, cst1);                                         \
-    tmp3 = _mm_madd_epi16(hi_0, cst1);                                         \
-    tmp4 = _mm_madd_epi16(lo_1, cst2);                                         \
-    tmp5 = _mm_madd_epi16(hi_1, cst2);                                         \
-    tmp6 = _mm_madd_epi16(lo_1, cst3);                                         \
-    tmp7 = _mm_madd_epi16(hi_1, cst3);                                         \
-                                                                               \
-    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, 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);                               \
-    tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);                               \
-    tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);                               \
-    tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);                               \
-    tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);                               \
-                                                                               \
-    res0 = _mm_packs_epi32(tmp0, tmp1);                                        \
-    res1 = _mm_packs_epi32(tmp2, tmp3);                                        \
-    res2 = _mm_packs_epi32(tmp4, tmp5);                                        \
-    res3 = _mm_packs_epi32(tmp6, tmp7);                                        \
-  }
-
 #define MULTIPLICATION_AND_ADD_2(lo_0, hi_0, cst0, cst1, res0, res1) \
   {                                                                  \
     tmp0 = _mm_madd_epi16(lo_0, cst0);                               \
--- a/vpx_dsp/x86/inv_txfm_sse2.h
+++ b/vpx_dsp/x86/inv_txfm_sse2.h
@@ -242,6 +242,43 @@
     out1 = _mm_unpackhi_epi32(tr0_0, tr0_1);             \
   }
 
+// Define Macro for multiplying elements by constants and adding them together.
+#define MULTIPLICATION_AND_ADD(lo_0, hi_0, lo_1, hi_1, cst0, cst1, cst2, cst3, \
+                               res0, res1, res2, res3)                         \
+  {                                                                            \
+    tmp0 = _mm_madd_epi16(lo_0, cst0);                                         \
+    tmp1 = _mm_madd_epi16(hi_0, cst0);                                         \
+    tmp2 = _mm_madd_epi16(lo_0, cst1);                                         \
+    tmp3 = _mm_madd_epi16(hi_0, cst1);                                         \
+    tmp4 = _mm_madd_epi16(lo_1, cst2);                                         \
+    tmp5 = _mm_madd_epi16(hi_1, cst2);                                         \
+    tmp6 = _mm_madd_epi16(lo_1, cst3);                                         \
+    tmp7 = _mm_madd_epi16(hi_1, cst3);                                         \
+                                                                               \
+    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, 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);                               \
+    tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);                               \
+    tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);                               \
+    tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);                               \
+    tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);                               \
+                                                                               \
+    res0 = _mm_packs_epi32(tmp0, tmp1);                                        \
+    res1 = _mm_packs_epi32(tmp2, tmp3);                                        \
+    res2 = _mm_packs_epi32(tmp4, tmp5);                                        \
+    res3 = _mm_packs_epi32(tmp6, tmp7);                                        \
+  }
+
 void idct4_sse2(__m128i *in);
 void idct8_sse2(__m128i *in);
 void idct16_sse2(__m128i *in0, __m128i *in1);
--- a/vpx_dsp/x86/inv_txfm_ssse3.c
+++ b/vpx_dsp/x86/inv_txfm_ssse3.c
@@ -322,3 +322,433 @@
   RECON_AND_STORE(dest + 6 * stride, in6);
   RECON_AND_STORE(dest + 7 * stride, in7);
 }
+
+static INLINE void idct32_34(const __m128i *in, __m128i *stp1) {
+  const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+  // idct constants for each stage
+  const __m128i stk1_0 = pair_set_epi16(2 * cospi_31_64, 2 * cospi_31_64);
+  const __m128i stk1_1 = pair_set_epi16(2 * cospi_1_64, 2 * cospi_1_64);
+  const __m128i stk1_6 = pair_set_epi16(-2 * cospi_25_64, -2 * cospi_25_64);
+  const __m128i stk1_7 = pair_set_epi16(2 * cospi_7_64, 2 * cospi_7_64);
+  const __m128i stk1_8 = pair_set_epi16(2 * cospi_27_64, 2 * cospi_27_64);
+  const __m128i stk1_9 = pair_set_epi16(2 * cospi_5_64, 2 * cospi_5_64);
+  const __m128i stk1_14 = pair_set_epi16(-2 * cospi_29_64, -2 * cospi_29_64);
+  const __m128i stk1_15 = pair_set_epi16(2 * cospi_3_64, 2 * cospi_3_64);
+
+  const __m128i stk2_0 = pair_set_epi16(2 * cospi_30_64, 2 * cospi_30_64);
+  const __m128i stk2_1 = pair_set_epi16(2 * cospi_2_64, 2 * cospi_2_64);
+  const __m128i stk2_6 = pair_set_epi16(-2 * cospi_26_64, -2 * cospi_26_64);
+  const __m128i stk2_7 = pair_set_epi16(2 * cospi_6_64, 2 * cospi_6_64);
+
+  const __m128i stk3_0 = pair_set_epi16(2 * cospi_28_64, 2 * cospi_28_64);
+  const __m128i stk3_1 = pair_set_epi16(2 * cospi_4_64, 2 * cospi_4_64);
+  const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+  const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
+  const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
+  const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+  const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
+  const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
+
+  const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+  const __m128i stk4_0 = pair_set_epi16(2 * cospi_16_64, 2 * cospi_16_64);
+  const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_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 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_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22, stp2_23,
+      stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29, stp2_30, stp2_31;
+  __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+
+  /* Stage1 */
+
+  stp1[16] = _mm_mulhrs_epi16(in[1], stk1_0);
+  stp1[31] = _mm_mulhrs_epi16(in[1], stk1_1);
+
+  stp1[19] = _mm_mulhrs_epi16(in[7], stk1_6);
+  stp1[28] = _mm_mulhrs_epi16(in[7], stk1_7);
+
+  stp1[20] = _mm_mulhrs_epi16(in[5], stk1_8);
+  stp1[27] = _mm_mulhrs_epi16(in[5], stk1_9);
+
+  stp1[23] = _mm_mulhrs_epi16(in[3], stk1_14);
+  stp1[24] = _mm_mulhrs_epi16(in[3], stk1_15);
+
+  /* Stage2 */
+
+  stp2_8 = _mm_mulhrs_epi16(in[2], stk2_0);
+  stp2_15 = _mm_mulhrs_epi16(in[2], stk2_1);
+
+  stp2_11 = _mm_mulhrs_epi16(in[6], stk2_6);
+  stp2_12 = _mm_mulhrs_epi16(in[6], stk2_7);
+
+  /* Stage3 */
+  {
+    const __m128i lo_17_30 = _mm_unpacklo_epi16(stp1[16], stp1[31]);
+    const __m128i hi_17_30 = _mm_unpackhi_epi16(stp1[16], stp1[31]);
+    const __m128i lo_18_29 = _mm_unpacklo_epi16(stp1[19], stp1[28]);
+    const __m128i hi_18_29 = _mm_unpackhi_epi16(stp1[19], stp1[28]);
+
+    const __m128i lo_21_26 = _mm_unpacklo_epi16(stp1[20], stp1[27]);
+    const __m128i hi_21_26 = _mm_unpackhi_epi16(stp1[20], stp1[27]);
+    const __m128i lo_22_25 = _mm_unpacklo_epi16(stp1[23], stp1[24]);
+    const __m128i hi_22_25 = _mm_unpackhi_epi16(stp1[23], stp1[24]);
+
+    stp1[4] = _mm_mulhrs_epi16(in[4], stk3_0);
+    stp1[7] = _mm_mulhrs_epi16(in[4], stk3_1);
+
+    MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4,
+                           stg3_5, stg3_6, stg3_4, stp1[17], stp1[30], stp1[18],
+                           stp1[29])
+    MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8,
+                           stg3_9, stg3_10, stg3_8, stp1[21], stp1[26],
+                           stp1[22], stp1[25])
+  }
+
+  /* Stage4 */
+  {
+    const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp2_15);
+    const __m128i hi_9_14 = _mm_unpackhi_epi16(stp2_8, stp2_15);
+    const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp2_12);
+    const __m128i hi_10_13 = _mm_unpackhi_epi16(stp2_11, stp2_12);
+
+    stp1[0] = _mm_mulhrs_epi16(in[0], stk4_0);
+    stp1[1] = _mm_mulhrs_epi16(in[0], stk4_0);  // stk4_1 = stk4_0
+    stp1[2] = stp1[0];
+    stp1[3] = stp1[1];
+
+    MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, stg4_5,
+                           stg4_6, stg4_4, stp2_9, stp2_14, stp2_10, stp2_13)
+
+    stp2_16 = _mm_add_epi16(stp1[16], stp1[19]);
+    stp2_17 = _mm_add_epi16(stp1[17], stp1[18]);
+    stp2_18 = _mm_sub_epi16(stp1[17], stp1[18]);
+    stp2_19 = _mm_sub_epi16(stp1[16], stp1[19]);
+    stp2_20 = _mm_sub_epi16(stp1[23], stp1[20]);
+    stp2_21 = _mm_sub_epi16(stp1[22], stp1[21]);
+    stp2_22 = _mm_add_epi16(stp1[22], stp1[21]);
+    stp2_23 = _mm_add_epi16(stp1[23], stp1[20]);
+
+    stp2_24 = _mm_add_epi16(stp1[24], stp1[27]);
+    stp2_25 = _mm_add_epi16(stp1[25], stp1[26]);
+    stp2_26 = _mm_sub_epi16(stp1[25], stp1[26]);
+    stp2_27 = _mm_sub_epi16(stp1[24], stp1[27]);
+    stp2_28 = _mm_sub_epi16(stp1[31], stp1[28]);
+    stp2_29 = _mm_sub_epi16(stp1[30], stp1[29]);
+    stp2_30 = _mm_add_epi16(stp1[29], stp1[30]);
+    stp2_31 = _mm_add_epi16(stp1[28], stp1[31]);
+  }
+
+  /* Stage5 */
+  {
+    //  Note:
+    //  #define AVOID_OVERFLOW = 0, code would be faster.  But it can't pass
+    //  SingleExtreme test.  The MaxSupportedCoeff/MinSupportedCoeff must drop
+    //  to 23198 and -23197, respectively.
+#define AVOID_OVERFLOW (1)
+
+#if AVOID_OVERFLOW
+    const __m128i lo_6_5 = _mm_unpacklo_epi16(stp1[7], stp1[4]);
+    const __m128i hi_6_5 = _mm_unpackhi_epi16(stp1[7], stp1[4]);
+#endif
+    const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29);
+    const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29);
+
+    const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28);
+    const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28);
+    const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27);
+    const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27);
+
+    const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
+    const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
+
+#if AVOID_OVERFLOW
+    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);
+#else
+    tmp0 = _mm_sub_epi16(stp1[7], stp1[4]);
+    tmp1 = _mm_adds_epi16(stp1[7], stp1[4]);
+    stp1[5] = _mm_mulhrs_epi16(tmp0, stk4_0);
+    stp1[6] = _mm_mulhrs_epi16(tmp1, stk4_0);
+#endif
+
+    stp1[8] = _mm_add_epi16(stp2_8, stp2_11);
+    stp1[9] = _mm_add_epi16(stp2_9, stp2_10);
+    stp1[10] = _mm_sub_epi16(stp2_9, stp2_10);
+    stp1[11] = _mm_sub_epi16(stp2_8, stp2_11);
+    stp1[12] = _mm_sub_epi16(stp2_15, stp2_12);
+    stp1[13] = _mm_sub_epi16(stp2_14, stp2_13);
+    stp1[14] = _mm_add_epi16(stp2_14, stp2_13);
+    stp1[15] = _mm_add_epi16(stp2_15, stp2_12);
+
+    MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4,
+                           stg4_5, stg4_4, stg4_5, stp1[18], stp1[29], stp1[19],
+                           stp1[28])
+    MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6,
+                           stg4_4, stg4_6, stg4_4, stp1[20], stp1[27], stp1[21],
+                           stp1[26])
+
+    stp1[16] = stp2_16;
+    stp1[17] = stp2_17;
+    stp1[22] = stp2_22;
+    stp1[23] = stp2_23;
+    stp1[24] = stp2_24;
+    stp1[25] = stp2_25;
+    stp1[30] = stp2_30;
+    stp1[31] = stp2_31;
+  }
+
+  /* Stage6 */
+  {
+#if AVOID_OVERFLOW
+    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]);
+#endif
+
+    stp2_0 = _mm_add_epi16(stp1[0], stp1[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], stp1[4]);
+    stp2_4 = _mm_sub_epi16(stp1[3], stp1[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], stp1[7]);
+
+    stp2_8 = stp1[8];
+    stp2_9 = stp1[9];
+    stp2_14 = stp1[14];
+    stp2_15 = stp1[15];
+
+#if AVOID_OVERFLOW
+    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)
+#else
+    tmp0 = _mm_add_epi16(stp1[10], stp1[13]);
+    tmp1 = _mm_sub_epi16(stp1[13], stp1[10]);
+    tmp2 = _mm_add_epi16(stp1[11], stp1[12]);
+    tmp3 = _mm_sub_epi16(stp1[12], stp1[11]);
+
+    stp2_10 = _mm_mulhrs_epi16(tmp1, stk4_0);
+    stp2_13 = _mm_mulhrs_epi16(tmp0, stk4_0);
+    stp2_11 = _mm_mulhrs_epi16(tmp3, stk4_0);
+    stp2_12 = _mm_mulhrs_epi16(tmp2, stk4_0);
+
+#endif
+
+    stp2_16 = _mm_add_epi16(stp1[16], stp1[23]);
+    stp2_17 = _mm_add_epi16(stp1[17], stp1[22]);
+    stp2_18 = _mm_add_epi16(stp1[18], stp1[21]);
+    stp2_19 = _mm_add_epi16(stp1[19], stp1[20]);
+    stp2_20 = _mm_sub_epi16(stp1[19], stp1[20]);
+    stp2_21 = _mm_sub_epi16(stp1[18], stp1[21]);
+    stp2_22 = _mm_sub_epi16(stp1[17], stp1[22]);
+    stp2_23 = _mm_sub_epi16(stp1[16], stp1[23]);
+
+    stp2_24 = _mm_sub_epi16(stp1[31], stp1[24]);
+    stp2_25 = _mm_sub_epi16(stp1[30], stp1[25]);
+    stp2_26 = _mm_sub_epi16(stp1[29], stp1[26]);
+    stp2_27 = _mm_sub_epi16(stp1[28], stp1[27]);
+    stp2_28 = _mm_add_epi16(stp1[27], stp1[28]);
+    stp2_29 = _mm_add_epi16(stp1[26], stp1[29]);
+    stp2_30 = _mm_add_epi16(stp1[25], stp1[30]);
+    stp2_31 = _mm_add_epi16(stp1[24], stp1[31]);
+  }
+
+  /* Stage7 */
+  {
+#if AVOID_OVERFLOW
+    const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27);
+    const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27);
+    const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
+    const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
+
+    const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25);
+    const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25);
+    const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24);
+    const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24);
+#endif
+    stp1[0] = _mm_add_epi16(stp2_0, stp2_15);
+    stp1[1] = _mm_add_epi16(stp2_1, stp2_14);
+    stp1[2] = _mm_add_epi16(stp2_2, stp2_13);
+    stp1[3] = _mm_add_epi16(stp2_3, stp2_12);
+    stp1[4] = _mm_add_epi16(stp2_4, stp2_11);
+    stp1[5] = _mm_add_epi16(stp2_5, stp2_10);
+    stp1[6] = _mm_add_epi16(stp2_6, stp2_9);
+    stp1[7] = _mm_add_epi16(stp2_7, stp2_8);
+    stp1[8] = _mm_sub_epi16(stp2_7, stp2_8);
+    stp1[9] = _mm_sub_epi16(stp2_6, stp2_9);
+    stp1[10] = _mm_sub_epi16(stp2_5, stp2_10);
+    stp1[11] = _mm_sub_epi16(stp2_4, stp2_11);
+    stp1[12] = _mm_sub_epi16(stp2_3, stp2_12);
+    stp1[13] = _mm_sub_epi16(stp2_2, stp2_13);
+    stp1[14] = _mm_sub_epi16(stp2_1, stp2_14);
+    stp1[15] = _mm_sub_epi16(stp2_0, stp2_15);
+
+    stp1[16] = stp2_16;
+    stp1[17] = stp2_17;
+    stp1[18] = stp2_18;
+    stp1[19] = stp2_19;
+
+#if AVOID_OVERFLOW
+    MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0,
+                           stg4_0, stg6_0, stg4_0, stp1[20], stp1[27], stp1[21],
+                           stp1[26])
+    MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0,
+                           stg4_0, stg6_0, stg4_0, stp1[22], stp1[25], stp1[23],
+                           stp1[24])
+#else
+    tmp0 = _mm_add_epi16(stp2_20, stp2_27);
+    tmp1 = _mm_sub_epi16(stp2_27, stp2_20);
+    tmp2 = _mm_add_epi16(stp2_21, stp2_26);
+    tmp3 = _mm_sub_epi16(stp2_26, stp2_21);
+
+    stp1[20] = _mm_mulhrs_epi16(tmp1, stk4_0);
+    stp1[27] = _mm_mulhrs_epi16(tmp0, stk4_0);
+    stp1[21] = _mm_mulhrs_epi16(tmp3, stk4_0);
+    stp1[26] = _mm_mulhrs_epi16(tmp2, stk4_0);
+
+    tmp0 = _mm_add_epi16(stp2_22, stp2_25);
+    tmp1 = _mm_sub_epi16(stp2_25, stp2_22);
+    tmp2 = _mm_add_epi16(stp2_23, stp2_24);
+    tmp3 = _mm_sub_epi16(stp2_24, stp2_23);
+
+    stp1[22] = _mm_mulhrs_epi16(tmp1, stk4_0);
+    stp1[25] = _mm_mulhrs_epi16(tmp0, stk4_0);
+    stp1[23] = _mm_mulhrs_epi16(tmp3, stk4_0);
+    stp1[24] = _mm_mulhrs_epi16(tmp2, stk4_0);
+#endif
+
+    stp1[28] = stp2_28;
+    stp1[29] = stp2_29;
+    stp1[30] = stp2_30;
+    stp1[31] = stp2_31;
+  }
+#undef AVOID_OVERFLOW
+}
+
+// Only upper-left 8x8 has non-zero coeff
+void vpx_idct32x32_34_add_ssse3(const tran_low_t *input, uint8_t *dest,
+                                int stride) {
+  const __m128i zero = _mm_setzero_si128();
+  const __m128i final_rounding = _mm_set1_epi16(1 << 5);
+  __m128i in[32], col[32];
+  __m128i stp1[32];
+  int i;
+
+  // Load input data. Only need to load the top left 8x8 block.
+  in[0] = load_input_data(input);
+  in[1] = load_input_data(input + 32);
+  in[2] = load_input_data(input + 64);
+  in[3] = load_input_data(input + 96);
+  in[4] = load_input_data(input + 128);
+  in[5] = load_input_data(input + 160);
+  in[6] = load_input_data(input + 192);
+  in[7] = load_input_data(input + 224);
+
+  array_transpose_8x8(in, in);
+  idct32_34(in, stp1);
+
+  // 1_D: Store 32 intermediate results for each 8x32 block.
+  col[0] = _mm_add_epi16(stp1[0], stp1[31]);
+  col[1] = _mm_add_epi16(stp1[1], stp1[30]);
+  col[2] = _mm_add_epi16(stp1[2], stp1[29]);
+  col[3] = _mm_add_epi16(stp1[3], stp1[28]);
+  col[4] = _mm_add_epi16(stp1[4], stp1[27]);
+  col[5] = _mm_add_epi16(stp1[5], stp1[26]);
+  col[6] = _mm_add_epi16(stp1[6], stp1[25]);
+  col[7] = _mm_add_epi16(stp1[7], stp1[24]);
+  col[8] = _mm_add_epi16(stp1[8], stp1[23]);
+  col[9] = _mm_add_epi16(stp1[9], stp1[22]);
+  col[10] = _mm_add_epi16(stp1[10], stp1[21]);
+  col[11] = _mm_add_epi16(stp1[11], stp1[20]);
+  col[12] = _mm_add_epi16(stp1[12], stp1[19]);
+  col[13] = _mm_add_epi16(stp1[13], stp1[18]);
+  col[14] = _mm_add_epi16(stp1[14], stp1[17]);
+  col[15] = _mm_add_epi16(stp1[15], stp1[16]);
+  col[16] = _mm_sub_epi16(stp1[15], stp1[16]);
+  col[17] = _mm_sub_epi16(stp1[14], stp1[17]);
+  col[18] = _mm_sub_epi16(stp1[13], stp1[18]);
+  col[19] = _mm_sub_epi16(stp1[12], stp1[19]);
+  col[20] = _mm_sub_epi16(stp1[11], stp1[20]);
+  col[21] = _mm_sub_epi16(stp1[10], stp1[21]);
+  col[22] = _mm_sub_epi16(stp1[9], stp1[22]);
+  col[23] = _mm_sub_epi16(stp1[8], stp1[23]);
+  col[24] = _mm_sub_epi16(stp1[7], stp1[24]);
+  col[25] = _mm_sub_epi16(stp1[6], stp1[25]);
+  col[26] = _mm_sub_epi16(stp1[5], stp1[26]);
+  col[27] = _mm_sub_epi16(stp1[4], stp1[27]);
+  col[28] = _mm_sub_epi16(stp1[3], stp1[28]);
+  col[29] = _mm_sub_epi16(stp1[2], stp1[29]);
+  col[30] = _mm_sub_epi16(stp1[1], stp1[30]);
+  col[31] = _mm_sub_epi16(stp1[0], stp1[31]);
+  for (i = 0; i < 4; i++) {
+    int j;
+    // Transpose 32x8 block to 8x32 block
+    array_transpose_8x8(col + i * 8, in);
+    idct32_34(in, stp1);
+
+    // 2_D: Calculate the results and store them to destination.
+    in[0] = _mm_add_epi16(stp1[0], stp1[31]);
+    in[1] = _mm_add_epi16(stp1[1], stp1[30]);
+    in[2] = _mm_add_epi16(stp1[2], stp1[29]);
+    in[3] = _mm_add_epi16(stp1[3], stp1[28]);
+    in[4] = _mm_add_epi16(stp1[4], stp1[27]);
+    in[5] = _mm_add_epi16(stp1[5], stp1[26]);
+    in[6] = _mm_add_epi16(stp1[6], stp1[25]);
+    in[7] = _mm_add_epi16(stp1[7], stp1[24]);
+    in[8] = _mm_add_epi16(stp1[8], stp1[23]);
+    in[9] = _mm_add_epi16(stp1[9], stp1[22]);
+    in[10] = _mm_add_epi16(stp1[10], stp1[21]);
+    in[11] = _mm_add_epi16(stp1[11], stp1[20]);
+    in[12] = _mm_add_epi16(stp1[12], stp1[19]);
+    in[13] = _mm_add_epi16(stp1[13], stp1[18]);
+    in[14] = _mm_add_epi16(stp1[14], stp1[17]);
+    in[15] = _mm_add_epi16(stp1[15], stp1[16]);
+    in[16] = _mm_sub_epi16(stp1[15], stp1[16]);
+    in[17] = _mm_sub_epi16(stp1[14], stp1[17]);
+    in[18] = _mm_sub_epi16(stp1[13], stp1[18]);
+    in[19] = _mm_sub_epi16(stp1[12], stp1[19]);
+    in[20] = _mm_sub_epi16(stp1[11], stp1[20]);
+    in[21] = _mm_sub_epi16(stp1[10], stp1[21]);
+    in[22] = _mm_sub_epi16(stp1[9], stp1[22]);
+    in[23] = _mm_sub_epi16(stp1[8], stp1[23]);
+    in[24] = _mm_sub_epi16(stp1[7], stp1[24]);
+    in[25] = _mm_sub_epi16(stp1[6], stp1[25]);
+    in[26] = _mm_sub_epi16(stp1[5], stp1[26]);
+    in[27] = _mm_sub_epi16(stp1[4], stp1[27]);
+    in[28] = _mm_sub_epi16(stp1[3], stp1[28]);
+    in[29] = _mm_sub_epi16(stp1[2], stp1[29]);
+    in[30] = _mm_sub_epi16(stp1[1], stp1[30]);
+    in[31] = _mm_sub_epi16(stp1[0], stp1[31]);
+
+    for (j = 0; j < 32; ++j) {
+      // Final rounding and shift
+      in[j] = _mm_adds_epi16(in[j], final_rounding);
+      in[j] = _mm_srai_epi16(in[j], 6);
+      RECON_AND_STORE(dest + j * stride, in[j]);
+    }
+
+    dest += 8;
+  }
+}
--- a/vpx_dsp/x86/inv_txfm_ssse3_x86_64.asm
+++ b/vpx_dsp/x86/inv_txfm_ssse3_x86_64.asm
@@ -617,61 +617,6 @@
 %define transposed_in   16*32*4
 %define pass_one_start  16*32*0
 %define stp r8
-
-INIT_XMM ssse3
-cglobal idct32x32_34_add, 3, 11, 16, i32x32_size, input, output, stride
-  mova            m8, [pd_8192]
-  lea            stp, [rsp + pass_one_start]
-
-idct32x32_34:
-  mov             r3, inputq
-  lea             r4, [rsp + transposed_in]
-
-idct32x32_34_transpose:
-  LOAD_TRAN_LOW 0, r3,  0
-  LOAD_TRAN_LOW 1, r3,  4
-  LOAD_TRAN_LOW 2, r3,  8
-  LOAD_TRAN_LOW 3, r3, 12
-  LOAD_TRAN_LOW 4, r3, 16
-  LOAD_TRAN_LOW 5, r3, 20
-  LOAD_TRAN_LOW 6, r3, 24
-  LOAD_TRAN_LOW 7, r3, 28
-
-  TRANSPOSE8X8  0, 1, 2, 3, 4, 5, 6, 7, 9, 10
-
-  IDCT32X32_34  16*0, 16*32, 16*64, 16*96
-  lea            stp, [stp + 16 * 8]
-  mov             r6, 4
-  lea            stp, [rsp + pass_one_start]
-  lea             r9, [rsp + pass_one_start]
-
-idct32x32_34_2:
-  lea             r4, [rsp + transposed_in]
-  mov             r3, r9
-
-idct32x32_34_transpose_2:
-  mova            m0, [r3 +      0]
-  mova            m1, [r3 + 16 * 1]
-  mova            m2, [r3 + 16 * 2]
-  mova            m3, [r3 + 16 * 3]
-  mova            m4, [r3 + 16 * 4]
-  mova            m5, [r3 + 16 * 5]
-  mova            m6, [r3 + 16 * 6]
-  mova            m7, [r3 + 16 * 7]
-
-  TRANSPOSE8X8  0, 1, 2, 3, 4, 5, 6, 7, 9, 10
-
-  IDCT32X32_34  16*0, 16*8, 16*16, 16*24
-
-  lea            stp, [stp + 16 * 32]
-  add             r9, 16 * 32
-  dec             r6
-  jnz idct32x32_34_2
-
-  RECON_AND_STORE pass_two_start
-
-  RET
-
 %macro IDCT32X32_135 4
   ; BLOCK A STAGE 1 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   mova                 m1, [rsp + transposed_in + 16 *  1]