ref: 72a43e237878cb6f7f964e2fd3aa08ee04c0efee
parent: 0bf6b51572442cf6a8ee33a6011a34f1cc74a9dc
author: Yi Luo <luoyi@google.com>
date: Tue Feb 14 12:09:59 EST 2017
Add idct32x32_135_add SSSE3 intrinsics - Replace the corresponding assembly code. - No user level speed performance degrade. - Unit tests passed. Change-Id: Idd0c5a4bad4976f1617c34100cb46e75e3b961e5
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -806,7 +806,7 @@
specialize qw/vpx_idct32x32_1024_add sse2 neon dspr2 msa/, "$ssse3_x86_64";
add_proto qw/void vpx_idct32x32_135_add/, "const tran_low_t *input, uint8_t *dest, int stride";
- specialize qw/vpx_idct32x32_135_add sse2 neon dspr2 msa/, "$ssse3_x86_64";
+ specialize qw/vpx_idct32x32_135_add sse2 ssse3 neon dspr2 msa/;
$vpx_idct32x32_135_add_sse2=vpx_idct32x32_1024_add_sse2;
$vpx_idct32x32_135_add_dspr2=vpx_idct32x32_1024_add_dspr2;
$vpx_idct32x32_135_add_msa=vpx_idct32x32_1024_add_msa;
--- a/vpx_dsp/x86/inv_txfm_ssse3.c
+++ b/vpx_dsp/x86/inv_txfm_ssse3.c
@@ -752,3 +752,473 @@
dest += 8;
}
}
+
+// in0[16] represents the left 8x16 block
+// in1[16] represents the right 8x16 block
+static void load_buffer_16x16(const tran_low_t *input, __m128i *in0,
+ __m128i *in1) {+ int i;
+ for (i = 0; i < 16; i++) {+ in0[i] = load_input_data(input);
+ in1[i] = load_input_data(input + 8);
+ input += 32;
+ }
+}
+
+static void array_transpose_16x16_2(__m128i *in0, __m128i *in1, __m128i *out0,
+ __m128i *out1) {+ array_transpose_8x8(in0, out0);
+ array_transpose_8x8(&in0[8], out1);
+ array_transpose_8x8(in1, &out0[8]);
+ array_transpose_8x8(&in1[8], &out1[8]);
+}
+
+// For each 8x16 block __m128i in[16], output __m128i col[32]
+static void idct32_8x16_135(__m128i *in) {+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ 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_2 = pair_set_epi16(-2 * cospi_17_64, -2 * cospi_17_64);
+ const __m128i stk1_3 = pair_set_epi16(2 * cospi_15_64, 2 * cospi_15_64);
+
+ const __m128i stk1_4 = pair_set_epi16(2 * cospi_23_64, 2 * cospi_23_64);
+ const __m128i stk1_5 = pair_set_epi16(2 * cospi_9_64, 2 * cospi_9_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_10 = pair_set_epi16(-2 * cospi_21_64, -2 * cospi_21_64);
+ const __m128i stk1_11 = pair_set_epi16(2 * cospi_11_64, 2 * cospi_11_64);
+
+ const __m128i stk1_12 = pair_set_epi16(2 * cospi_19_64, 2 * cospi_19_64);
+ const __m128i stk1_13 = pair_set_epi16(2 * cospi_13_64, 2 * cospi_13_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_2 = pair_set_epi16(-2 * cospi_18_64, -2 * cospi_18_64);
+ const __m128i stk2_3 = pair_set_epi16(2 * cospi_14_64, 2 * cospi_14_64);
+
+ const __m128i stk2_4 = pair_set_epi16(2 * cospi_22_64, 2 * cospi_22_64);
+ const __m128i stk2_5 = pair_set_epi16(2 * cospi_10_64, 2 * cospi_10_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 stk3_2 = pair_set_epi16(-2 * cospi_20_64, -2 * cospi_20_64);
+ const __m128i stk3_3 = pair_set_epi16(2 * cospi_12_64, 2 * cospi_12_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 stg4_1 = 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 stk4_2 = pair_set_epi16(2 * cospi_24_64, 2 * cospi_24_64);
+ const __m128i stk4_3 = pair_set_epi16(2 * cospi_8_64, 2 * cospi_8_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 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_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22, stp1_23,
+ stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29, stp1_30, stp1_31;
+ __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_17 = _mm_mulhrs_epi16(in[15], stk1_2);
+ stp1_30 = _mm_mulhrs_epi16(in[15], stk1_3);
+
+ stp1_18 = _mm_mulhrs_epi16(in[9], stk1_4);
+ stp1_29 = _mm_mulhrs_epi16(in[9], stk1_5);
+ 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_21 = _mm_mulhrs_epi16(in[11], stk1_10);
+ stp1_26 = _mm_mulhrs_epi16(in[11], stk1_11);
+
+ stp1_22 = _mm_mulhrs_epi16(in[13], stk1_12);
+ stp1_25 = _mm_mulhrs_epi16(in[13], stk1_13);
+ 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_9 = _mm_mulhrs_epi16(in[14], stk2_2);
+ stp2_14 = _mm_mulhrs_epi16(in[14], stk2_3);
+
+ stp2_10 = _mm_mulhrs_epi16(in[10], stk2_4);
+ stp2_13 = _mm_mulhrs_epi16(in[10], stk2_5);
+ stp2_11 = _mm_mulhrs_epi16(in[6], stk2_6);
+ stp2_12 = _mm_mulhrs_epi16(in[6], stk2_7);
+
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_17);
+ stp2_17 = _mm_sub_epi16(stp1_16, stp1_17);
+ stp2_18 = _mm_sub_epi16(stp1_19, stp1_18);
+ stp2_19 = _mm_add_epi16(stp1_19, stp1_18);
+
+ stp2_20 = _mm_add_epi16(stp1_20, stp1_21);
+ stp2_21 = _mm_sub_epi16(stp1_20, stp1_21);
+ stp2_22 = _mm_sub_epi16(stp1_23, stp1_22);
+ stp2_23 = _mm_add_epi16(stp1_23, stp1_22);
+
+ stp2_24 = _mm_add_epi16(stp1_24, stp1_25);
+ stp2_25 = _mm_sub_epi16(stp1_24, stp1_25);
+ stp2_26 = _mm_sub_epi16(stp1_27, stp1_26);
+ stp2_27 = _mm_add_epi16(stp1_27, stp1_26);
+
+ stp2_28 = _mm_add_epi16(stp1_28, stp1_29);
+ stp2_29 = _mm_sub_epi16(stp1_28, stp1_29);
+ stp2_30 = _mm_sub_epi16(stp1_31, stp1_30);
+ stp2_31 = _mm_add_epi16(stp1_31, stp1_30);
+
+ /* Stage3 */
+ {+ const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30);
+ const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30);
+ 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_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);
+
+ stp1_4 = _mm_mulhrs_epi16(in[4], stk3_0);
+ stp1_7 = _mm_mulhrs_epi16(in[4], stk3_1);
+ stp1_5 = _mm_mulhrs_epi16(in[12], stk3_2);
+ stp1_6 = _mm_mulhrs_epi16(in[12], stk3_3);
+
+ stp2_0 = _mm_mulhrs_epi16(in[0], stk4_0);
+ stp2_1 = _mm_mulhrs_epi16(in[0], stk4_0); // stk4_1 = stk4_0
+ stp2_2 = _mm_mulhrs_epi16(in[8], stk4_2);
+ stp2_3 = _mm_mulhrs_epi16(in[8], stk4_3);
+
+ stp1_8 = _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 = _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);
+
+ 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)
+
+ stp1_16 = stp2_16;
+ stp1_31 = stp2_31;
+ stp1_19 = stp2_19;
+ stp1_20 = stp2_20;
+ stp1_23 = stp2_23;
+ stp1_24 = stp2_24;
+ stp1_27 = stp2_27;
+ stp1_28 = stp2_28;
+ }
+
+ /* 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);
+
+ 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);
+
+ 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_8 = stp1_8;
+ stp2_15 = stp1_15;
+ stp2_11 = stp1_11;
+ stp2_12 = stp1_12;
+
+ 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 */
+ {+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5);
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5);
+ 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);
+
+ 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);
+
+ 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_4 = stp2_4;
+ stp1_7 = stp2_7;
+
+ 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);
+
+ stp1_16 = stp2_16;
+ stp1_17 = stp2_17;
+
+ 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_22 = stp2_22;
+ stp1_23 = stp2_23;
+ stp1_24 = stp2_24;
+ stp1_25 = stp2_25;
+ stp1_30 = stp2_30;
+ stp1_31 = stp2_31;
+ }
+
+ /* 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, 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;
+
+ 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)
+
+ 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 */
+ {+ 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);
+
+ 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;
+
+ 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)
+
+ stp1_28 = stp2_28;
+ stp1_29 = stp2_29;
+ stp1_30 = stp2_30;
+ stp1_31 = stp2_31;
+ }
+
+ 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);
+}
+
+static INLINE void store_buffer_8x32(__m128i *in, uint8_t *dst, int stride) {+ const __m128i final_rounding = _mm_set1_epi16(1 << 5);
+ const __m128i zero = _mm_setzero_si128();
+ int j = 0;
+ while (j < 32) {+ in[j] = _mm_adds_epi16(in[j], final_rounding);
+ in[j + 1] = _mm_adds_epi16(in[j + 1], final_rounding);
+
+ in[j] = _mm_srai_epi16(in[j], 6);
+ in[j + 1] = _mm_srai_epi16(in[j + 1], 6);
+
+ RECON_AND_STORE(dst, in[j]);
+ dst += stride;
+ RECON_AND_STORE(dst, in[j + 1]);
+ dst += stride;
+ j += 2;
+ }
+}
+
+static INLINE void recon_and_store(__m128i *in0, __m128i *in1, uint8_t *dest,
+ int stride) {+ store_buffer_8x32(in0, dest, stride);
+ store_buffer_8x32(in1, dest + 8, stride);
+}
+
+static INLINE void idct32_135(__m128i *col0, __m128i *col1) {+ idct32_8x16_135(col0);
+ idct32_8x16_135(col1);
+}
+
+// Only upper-left 16x16 has non-zero coeff
+void vpx_idct32x32_135_add_ssse3(const tran_low_t *input, uint8_t *dest,
+ int stride) {+ __m128i col0[32], col1[32], col2[32], col3[32];
+
+ // Load input data. Only need to load the top left 16x16 block.
+ load_buffer_16x16(input, col2, col3);
+
+ // columns
+ array_transpose_16x16_2(col2, col3, col0, col1);
+ idct32_135(col0, col1);
+
+ // rows
+ array_transpose_16x16_2(col0, col1, col2, col3);
+ idct32_135(col2, col3);
+ recon_and_store(col2, col3, dest, stride);
+
+ array_transpose_16x16_2(&col0[16], &col1[16], col2, col3);
+ idct32_135(col2, col3);
+ recon_and_store(col2, col3, dest + 16, stride);
+}
--- a/vpx_dsp/x86/inv_txfm_ssse3_x86_64.asm
+++ b/vpx_dsp/x86/inv_txfm_ssse3_x86_64.asm
@@ -972,95 +972,6 @@
mova [stp + %3 + idx23], m3
%endmacro
-INIT_XMM ssse3
-cglobal idct32x32_135_add, 3, 11, 16, i32x32_size, input, output, stride
- mova m8, [pd_8192]
- mov r6, 2
- lea stp, [rsp + pass_one_start]
-
-idct32x32_135:
- mov r3, inputq
- lea r4, [rsp + transposed_in]
- mov r7, 2
-
-idct32x32_135_transpose:
- LOAD_TRAN_LOW 0, r3, 0
- LOAD_TRAN_LOW 1, r3, 32
- LOAD_TRAN_LOW 2, r3, 64
- LOAD_TRAN_LOW 3, r3, 96
- LOAD_TRAN_LOW 4, r3, 128
- LOAD_TRAN_LOW 5, r3, 160
- LOAD_TRAN_LOW 6, r3, 192
- LOAD_TRAN_LOW 7, r3, 224
-
- TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
-
- mova [r4 + 0], m0
- mova [r4 + 16 * 1], m1
- mova [r4 + 16 * 2], m2
- mova [r4 + 16 * 3], m3
- mova [r4 + 16 * 4], m4
- mova [r4 + 16 * 5], m5
- mova [r4 + 16 * 6], m6
- mova [r4 + 16 * 7], m7
-
- INCREMENT_TRAN_LOW r3
- add r4, 16 * 8
- dec r7
- jne idct32x32_135_transpose
-
- IDCT32X32_135 16*0, 16*32, 16*64, 16*96
- lea stp, [stp + 16 * 8]
- INCREMENT_ELEMENTS_TRAN_LOW inputq, 8*32
- dec r6
- jnz idct32x32_135
-
- mov r6, 4
- lea stp, [rsp + pass_one_start]
- lea r9, [rsp + pass_one_start]
-
-idct32x32_135_2:
- lea r4, [rsp + transposed_in]
- mov r3, r9
- mov r7, 2
-
-idct32x32_135_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
-
- mova [r4 + 0], m0
- mova [r4 + 16 * 1], m1
- mova [r4 + 16 * 2], m2
- mova [r4 + 16 * 3], m3
- mova [r4 + 16 * 4], m4
- mova [r4 + 16 * 5], m5
- mova [r4 + 16 * 6], m6
- mova [r4 + 16 * 7], m7
-
- add r3, 16 * 8
- add r4, 16 * 8
- dec r7
- jne idct32x32_135_transpose_2
-
- IDCT32X32_135 16*0, 16*8, 16*16, 16*24
-
- lea stp, [stp + 16 * 32]
- add r9, 16 * 32
- dec r6
- jnz idct32x32_135_2
-
- RECON_AND_STORE pass_two_start
-
- RET
-
%macro IDCT32X32_1024 4
; BLOCK A STAGE 1 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mova m1, [rsp + transposed_in + 16 * 1]