+++ /dev/null
-;
-; Copyright (c) 2013 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.
-;
-
- EXPORT |vp9_iht8x8_64_add_neon|
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-
- ; Generate IADST constants in r0 - r12 for the IADST.
- MACRO
- GENERATE_IADST_CONSTANTS
- ; generate cospi_2_64 = 16305
- mov r0, #0x3f00
- add r0, #0xb1
-
- ; generate cospi_30_64 = 1606
- mov r1, #0x600
- add r1, #0x46
-
- ; generate cospi_10_64 = 14449
- mov r2, #0x3800
- add r2, #0x71
-
- ; generate cospi_22_64 = 7723
- mov r3, #0x1e00
- add r3, #0x2b
-
- ; generate cospi_18_64 = 10394
- mov r4, #0x2800
- add r4, #0x9a
-
- ; generate cospi_14_64 = 12665
- mov r5, #0x3100
- add r5, #0x79
-
- ; generate cospi_26_64 = 4756
- mov r6, #0x1200
- add r6, #0x94
-
- ; generate cospi_6_64 = 15679
- mov r7, #0x3d00
- add r7, #0x3f
-
- ; generate cospi_8_64 = 15137
- mov r8, #0x3b00
- add r8, #0x21
-
- ; generate cospi_24_64 = 6270
- mov r9, #0x1800
- add r9, #0x7e
-
- ; generate 0
- mov r10, #0
-
- ; generate cospi_16_64 = 11585
- mov r12, #0x2d00
- add r12, #0x41
- MEND
-
- ; Generate IDCT constants in r3 - r9 for the IDCT.
- MACRO
- GENERATE_IDCT_CONSTANTS
- ; generate cospi_28_64 = 3196
- mov r3, #0x0c00
- add r3, #0x7c
-
- ; generate cospi_4_64 = 16069
- mov r4, #0x3e00
- add r4, #0xc5
-
- ; generate cospi_12_64 = 13623
- mov r5, #0x3500
- add r5, #0x37
-
- ; generate cospi_20_64 = 9102
- mov r6, #0x2300
- add r6, #0x8e
-
- ; generate cospi_16_64 = 11585
- mov r7, #0x2d00
- add r7, #0x41
-
- ; generate cospi_24_64 = 6270
- mov r8, #0x1800
- add r8, #0x7e
-
- ; generate cospi_8_64 = 15137
- mov r9, #0x3b00
- add r9, #0x21
- MEND
-
- ; Transpose a 8x8 16bits data matrix. Datas are loaded in q8-q15.
- MACRO
- TRANSPOSE8X8
- vswp d17, d24
- vswp d23, d30
- vswp d21, d28
- vswp d19, d26
- vtrn.32 q8, q10
- vtrn.32 q9, q11
- vtrn.32 q12, q14
- vtrn.32 q13, q15
- vtrn.16 q8, q9
- vtrn.16 q10, q11
- vtrn.16 q12, q13
- vtrn.16 q14, q15
- MEND
-
- ; Parallel 1D IDCT on all the columns of a 8x8 16bits data matrix which are
- ; loaded in q8-q15. The IDCT constants are loaded in r3 - r9. The output
- ; will be stored back into q8-q15 registers. This macro will touch q0-q7
- ; registers and use them as buffer during calculation.
- MACRO
- IDCT8x8_1D
- ; stage 1
- vdup.16 d0, r3 ; duplicate cospi_28_64
- vdup.16 d1, r4 ; duplicate cospi_4_64
- vdup.16 d2, r5 ; duplicate cospi_12_64
- vdup.16 d3, r6 ; duplicate cospi_20_64
-
- ; input[1] * cospi_28_64
- vmull.s16 q2, d18, d0
- vmull.s16 q3, d19, d0
-
- ; input[5] * cospi_12_64
- vmull.s16 q5, d26, d2
- vmull.s16 q6, d27, d2
-
- ; input[1]*cospi_28_64-input[7]*cospi_4_64
- vmlsl.s16 q2, d30, d1
- vmlsl.s16 q3, d31, d1
-
- ; input[5] * cospi_12_64 - input[3] * cospi_20_64
- vmlsl.s16 q5, d22, d3
- vmlsl.s16 q6, d23, d3
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d8, q2, #14 ; >> 14
- vqrshrn.s32 d9, q3, #14 ; >> 14
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d10, q5, #14 ; >> 14
- vqrshrn.s32 d11, q6, #14 ; >> 14
-
- ; input[1] * cospi_4_64
- vmull.s16 q2, d18, d1
- vmull.s16 q3, d19, d1
-
- ; input[5] * cospi_20_64
- vmull.s16 q9, d26, d3
- vmull.s16 q13, d27, d3
-
- ; input[1]*cospi_4_64+input[7]*cospi_28_64
- vmlal.s16 q2, d30, d0
- vmlal.s16 q3, d31, d0
-
- ; input[5] * cospi_20_64 + input[3] * cospi_12_64
- vmlal.s16 q9, d22, d2
- vmlal.s16 q13, d23, d2
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d14, q2, #14 ; >> 14
- vqrshrn.s32 d15, q3, #14 ; >> 14
-
- ; stage 2 & stage 3 - even half
- vdup.16 d0, r7 ; duplicate cospi_16_64
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d12, q9, #14 ; >> 14
- vqrshrn.s32 d13, q13, #14 ; >> 14
-
- ; input[0] * cospi_16_64
- vmull.s16 q2, d16, d0
- vmull.s16 q3, d17, d0
-
- ; input[0] * cospi_16_64
- vmull.s16 q13, d16, d0
- vmull.s16 q15, d17, d0
-
- ; (input[0] + input[2]) * cospi_16_64
- vmlal.s16 q2, d24, d0
- vmlal.s16 q3, d25, d0
-
- ; (input[0] - input[2]) * cospi_16_64
- vmlsl.s16 q13, d24, d0
- vmlsl.s16 q15, d25, d0
-
- vdup.16 d0, r8 ; duplicate cospi_24_64
- vdup.16 d1, r9 ; duplicate cospi_8_64
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d18, q2, #14 ; >> 14
- vqrshrn.s32 d19, q3, #14 ; >> 14
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d22, q13, #14 ; >> 14
- vqrshrn.s32 d23, q15, #14 ; >> 14
-
- ; input[1] * cospi_24_64
- vmull.s16 q2, d20, d0
- vmull.s16 q3, d21, d0
-
- ; input[1] * cospi_8_64
- vmull.s16 q8, d20, d1
- vmull.s16 q12, d21, d1
-
- ; input[1] * cospi_24_64 - input[3] * cospi_8_64
- vmlsl.s16 q2, d28, d1
- vmlsl.s16 q3, d29, d1
-
- ; input[1] * cospi_8_64 + input[3] * cospi_24_64
- vmlal.s16 q8, d28, d0
- vmlal.s16 q12, d29, d0
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d26, q2, #14 ; >> 14
- vqrshrn.s32 d27, q3, #14 ; >> 14
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d30, q8, #14 ; >> 14
- vqrshrn.s32 d31, q12, #14 ; >> 14
-
- vadd.s16 q0, q9, q15 ; output[0] = step[0] + step[3]
- vadd.s16 q1, q11, q13 ; output[1] = step[1] + step[2]
- vsub.s16 q2, q11, q13 ; output[2] = step[1] - step[2]
- vsub.s16 q3, q9, q15 ; output[3] = step[0] - step[3]
-
- ; stage 3 -odd half
- vdup.16 d16, r7 ; duplicate cospi_16_64
-
- ; stage 2 - odd half
- vsub.s16 q13, q4, q5 ; step2[5] = step1[4] - step1[5]
- vadd.s16 q4, q4, q5 ; step2[4] = step1[4] + step1[5]
- vsub.s16 q14, q7, q6 ; step2[6] = -step1[6] + step1[7]
- vadd.s16 q7, q7, q6 ; step2[7] = step1[6] + step1[7]
-
- ; step2[6] * cospi_16_64
- vmull.s16 q9, d28, d16
- vmull.s16 q10, d29, d16
-
- ; step2[6] * cospi_16_64
- vmull.s16 q11, d28, d16
- vmull.s16 q12, d29, d16
-
- ; (step2[6] - step2[5]) * cospi_16_64
- vmlsl.s16 q9, d26, d16
- vmlsl.s16 q10, d27, d16
-
- ; (step2[5] + step2[6]) * cospi_16_64
- vmlal.s16 q11, d26, d16
- vmlal.s16 q12, d27, d16
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d10, q9, #14 ; >> 14
- vqrshrn.s32 d11, q10, #14 ; >> 14
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- vqrshrn.s32 d12, q11, #14 ; >> 14
- vqrshrn.s32 d13, q12, #14 ; >> 14
-
- ; stage 4
- vadd.s16 q8, q0, q7 ; output[0] = step1[0] + step1[7];
- vadd.s16 q9, q1, q6 ; output[1] = step1[1] + step1[6];
- vadd.s16 q10, q2, q5 ; output[2] = step1[2] + step1[5];
- vadd.s16 q11, q3, q4 ; output[3] = step1[3] + step1[4];
- vsub.s16 q12, q3, q4 ; output[4] = step1[3] - step1[4];
- vsub.s16 q13, q2, q5 ; output[5] = step1[2] - step1[5];
- vsub.s16 q14, q1, q6 ; output[6] = step1[1] - step1[6];
- vsub.s16 q15, q0, q7 ; output[7] = step1[0] - step1[7];
- MEND
-
- ; Parallel 1D IADST on all the columns of a 8x8 16bits data matrix which
- ; loaded in q8-q15. IADST constants are loaded in r0 - r12 registers. The
- ; output will be stored back into q8-q15 registers. This macro will touch
- ; q0 - q7 registers and use them as buffer during calculation.
- MACRO
- IADST8X8_1D
- vdup.16 d14, r0 ; duplicate cospi_2_64
- vdup.16 d15, r1 ; duplicate cospi_30_64
-
- ; cospi_2_64 * x0
- vmull.s16 q1, d30, d14
- vmull.s16 q2, d31, d14
-
- ; cospi_30_64 * x0
- vmull.s16 q3, d30, d15
- vmull.s16 q4, d31, d15
-
- vdup.16 d30, r4 ; duplicate cospi_18_64
- vdup.16 d31, r5 ; duplicate cospi_14_64
-
- ; s0 = cospi_2_64 * x0 + cospi_30_64 * x1;
- vmlal.s16 q1, d16, d15
- vmlal.s16 q2, d17, d15
-
- ; s1 = cospi_30_64 * x0 - cospi_2_64 * x1
- vmlsl.s16 q3, d16, d14
- vmlsl.s16 q4, d17, d14
-
- ; cospi_18_64 * x4
- vmull.s16 q5, d22, d30
- vmull.s16 q6, d23, d30
-
- ; cospi_14_64 * x4
- vmull.s16 q7, d22, d31
- vmull.s16 q8, d23, d31
-
- ; s4 = cospi_18_64 * x4 + cospi_14_64 * x5;
- vmlal.s16 q5, d24, d31
- vmlal.s16 q6, d25, d31
-
- ; s5 = cospi_14_64 * x4 - cospi_18_64 * x5
- vmlsl.s16 q7, d24, d30
- vmlsl.s16 q8, d25, d30
-
- ; (s0 + s4)
- vadd.s32 q11, q1, q5
- vadd.s32 q12, q2, q6
-
- vdup.16 d0, r2 ; duplicate cospi_10_64
- vdup.16 d1, r3 ; duplicate cospi_22_64
-
- ; (s0 - s4)
- vsub.s32 q1, q1, q5
- vsub.s32 q2, q2, q6
-
- ; x0 = dct_const_round_shift(s0 + s4);
- vqrshrn.s32 d22, q11, #14 ; >> 14
- vqrshrn.s32 d23, q12, #14 ; >> 14
-
- ; (s1 + s5)
- vadd.s32 q12, q3, q7
- vadd.s32 q15, q4, q8
-
- ; (s1 - s5)
- vsub.s32 q3, q3, q7
- vsub.s32 q4, q4, q8
-
- ; x4 = dct_const_round_shift(s0 - s4);
- vqrshrn.s32 d2, q1, #14 ; >> 14
- vqrshrn.s32 d3, q2, #14 ; >> 14
-
- ; x1 = dct_const_round_shift(s1 + s5);
- vqrshrn.s32 d24, q12, #14 ; >> 14
- vqrshrn.s32 d25, q15, #14 ; >> 14
-
- ; x5 = dct_const_round_shift(s1 - s5);
- vqrshrn.s32 d6, q3, #14 ; >> 14
- vqrshrn.s32 d7, q4, #14 ; >> 14
-
- ; cospi_10_64 * x2
- vmull.s16 q4, d26, d0
- vmull.s16 q5, d27, d0
-
- ; cospi_22_64 * x2
- vmull.s16 q2, d26, d1
- vmull.s16 q6, d27, d1
-
- vdup.16 d30, r6 ; duplicate cospi_26_64
- vdup.16 d31, r7 ; duplicate cospi_6_64
-
- ; s2 = cospi_10_64 * x2 + cospi_22_64 * x3;
- vmlal.s16 q4, d20, d1
- vmlal.s16 q5, d21, d1
-
- ; s3 = cospi_22_64 * x2 - cospi_10_64 * x3;
- vmlsl.s16 q2, d20, d0
- vmlsl.s16 q6, d21, d0
-
- ; cospi_26_64 * x6
- vmull.s16 q0, d18, d30
- vmull.s16 q13, d19, d30
-
- ; s6 = cospi_26_64 * x6 + cospi_6_64 * x7;
- vmlal.s16 q0, d28, d31
- vmlal.s16 q13, d29, d31
-
- ; cospi_6_64 * x6
- vmull.s16 q10, d18, d31
- vmull.s16 q9, d19, d31
-
- ; s7 = cospi_6_64 * x6 - cospi_26_64 * x7;
- vmlsl.s16 q10, d28, d30
- vmlsl.s16 q9, d29, d30
-
- ; (s3 + s7)
- vadd.s32 q14, q2, q10
- vadd.s32 q15, q6, q9
-
- ; (s3 - s7)
- vsub.s32 q2, q2, q10
- vsub.s32 q6, q6, q9
-
- ; x3 = dct_const_round_shift(s3 + s7);
- vqrshrn.s32 d28, q14, #14 ; >> 14
- vqrshrn.s32 d29, q15, #14 ; >> 14
-
- ; x7 = dct_const_round_shift(s3 - s7);
- vqrshrn.s32 d4, q2, #14 ; >> 14
- vqrshrn.s32 d5, q6, #14 ; >> 14
-
- ; (s2 + s6)
- vadd.s32 q9, q4, q0
- vadd.s32 q10, q5, q13
-
- ; (s2 - s6)
- vsub.s32 q4, q4, q0
- vsub.s32 q5, q5, q13
-
- vdup.16 d30, r8 ; duplicate cospi_8_64
- vdup.16 d31, r9 ; duplicate cospi_24_64
-
- ; x2 = dct_const_round_shift(s2 + s6);
- vqrshrn.s32 d18, q9, #14 ; >> 14
- vqrshrn.s32 d19, q10, #14 ; >> 14
-
- ; x6 = dct_const_round_shift(s2 - s6);
- vqrshrn.s32 d8, q4, #14 ; >> 14
- vqrshrn.s32 d9, q5, #14 ; >> 14
-
- ; cospi_8_64 * x4
- vmull.s16 q5, d2, d30
- vmull.s16 q6, d3, d30
-
- ; cospi_24_64 * x4
- vmull.s16 q7, d2, d31
- vmull.s16 q0, d3, d31
-
- ; s4 = cospi_8_64 * x4 + cospi_24_64 * x5;
- vmlal.s16 q5, d6, d31
- vmlal.s16 q6, d7, d31
-
- ; s5 = cospi_24_64 * x4 - cospi_8_64 * x5;
- vmlsl.s16 q7, d6, d30
- vmlsl.s16 q0, d7, d30
-
- ; cospi_8_64 * x7
- vmull.s16 q1, d4, d30
- vmull.s16 q3, d5, d30
-
- ; cospi_24_64 * x7
- vmull.s16 q10, d4, d31
- vmull.s16 q2, d5, d31
-
- ; s6 = -cospi_24_64 * x6 + cospi_8_64 * x7;
- vmlsl.s16 q1, d8, d31
- vmlsl.s16 q3, d9, d31
-
- ; s7 = cospi_8_64 * x6 + cospi_24_64 * x7;
- vmlal.s16 q10, d8, d30
- vmlal.s16 q2, d9, d30
-
- vadd.s16 q8, q11, q9 ; x0 = s0 + s2;
-
- vsub.s16 q11, q11, q9 ; x2 = s0 - s2;
-
- vadd.s16 q4, q12, q14 ; x1 = s1 + s3;
-
- vsub.s16 q12, q12, q14 ; x3 = s1 - s3;
-
- ; (s4 + s6)
- vadd.s32 q14, q5, q1
- vadd.s32 q15, q6, q3
-
- ; (s4 - s6)
- vsub.s32 q5, q5, q1
- vsub.s32 q6, q6, q3
-
- ; x4 = dct_const_round_shift(s4 + s6);
- vqrshrn.s32 d18, q14, #14 ; >> 14
- vqrshrn.s32 d19, q15, #14 ; >> 14
-
- ; x6 = dct_const_round_shift(s4 - s6);
- vqrshrn.s32 d10, q5, #14 ; >> 14
- vqrshrn.s32 d11, q6, #14 ; >> 14
-
- ; (s5 + s7)
- vadd.s32 q1, q7, q10
- vadd.s32 q3, q0, q2
-
- ; (s5 - s7))
- vsub.s32 q7, q7, q10
- vsub.s32 q0, q0, q2
-
- ; x5 = dct_const_round_shift(s5 + s7);
- vqrshrn.s32 d28, q1, #14 ; >> 14
- vqrshrn.s32 d29, q3, #14 ; >> 14
-
- ; x7 = dct_const_round_shift(s5 - s7);
- vqrshrn.s32 d14, q7, #14 ; >> 14
- vqrshrn.s32 d15, q0, #14 ; >> 14
-
- vdup.16 d30, r12 ; duplicate cospi_16_64
-
- ; cospi_16_64 * x2
- vmull.s16 q2, d22, d30
- vmull.s16 q3, d23, d30
-
- ; cospi_6_64 * x6
- vmull.s16 q13, d22, d30
- vmull.s16 q1, d23, d30
-
- ; cospi_16_64 * x2 + cospi_16_64 * x3;
- vmlal.s16 q2, d24, d30
- vmlal.s16 q3, d25, d30
-
- ; cospi_16_64 * x2 - cospi_16_64 * x3;
- vmlsl.s16 q13, d24, d30
- vmlsl.s16 q1, d25, d30
-
- ; x2 = dct_const_round_shift(s2);
- vqrshrn.s32 d4, q2, #14 ; >> 14
- vqrshrn.s32 d5, q3, #14 ; >> 14
-
- ;x3 = dct_const_round_shift(s3);
- vqrshrn.s32 d24, q13, #14 ; >> 14
- vqrshrn.s32 d25, q1, #14 ; >> 14
-
- ; cospi_16_64 * x6
- vmull.s16 q13, d10, d30
- vmull.s16 q1, d11, d30
-
- ; cospi_6_64 * x6
- vmull.s16 q11, d10, d30
- vmull.s16 q0, d11, d30
-
- ; cospi_16_64 * x6 + cospi_16_64 * x7;
- vmlal.s16 q13, d14, d30
- vmlal.s16 q1, d15, d30
-
- ; cospi_16_64 * x6 - cospi_16_64 * x7;
- vmlsl.s16 q11, d14, d30
- vmlsl.s16 q0, d15, d30
-
- ; x6 = dct_const_round_shift(s6);
- vqrshrn.s32 d20, q13, #14 ; >> 14
- vqrshrn.s32 d21, q1, #14 ; >> 14
-
- ;x7 = dct_const_round_shift(s7);
- vqrshrn.s32 d12, q11, #14 ; >> 14
- vqrshrn.s32 d13, q0, #14 ; >> 14
-
- vdup.16 q5, r10 ; duplicate 0
-
- vsub.s16 q9, q5, q9 ; output[1] = -x4;
- vsub.s16 q11, q5, q2 ; output[3] = -x2;
- vsub.s16 q13, q5, q6 ; output[5] = -x7;
- vsub.s16 q15, q5, q4 ; output[7] = -x1;
- MEND
-
-
- AREA Block, CODE, READONLY ; name this block of code
-;void vp9_iht8x8_64_add_neon(int16_t *input, uint8_t *dest,
-; int dest_stride, int tx_type)
-;
-; r0 int16_t input
-; r1 uint8_t *dest
-; r2 int dest_stride
-; r3 int tx_type)
-; This function will only handle tx_type of 1,2,3.
-|vp9_iht8x8_64_add_neon| PROC
-
- ; load the inputs into d16-d19
- vld1.s16 {q8,q9}, [r0]!
- vld1.s16 {q10,q11}, [r0]!
- vld1.s16 {q12,q13}, [r0]!
- vld1.s16 {q14,q15}, [r0]!
-
- push {r0-r10}
- vpush {d8-d15}
-
- ; transpose the input data
- TRANSPOSE8X8
-
- ; decide the type of transform
- cmp r3, #2
- beq idct_iadst
- cmp r3, #3
- beq iadst_iadst
-
-iadst_idct
- ; generate IDCT constants
- GENERATE_IDCT_CONSTANTS
-
- ; first transform rows
- IDCT8x8_1D
-
- ; transpose the matrix
- TRANSPOSE8X8
-
- ; generate IADST constants
- GENERATE_IADST_CONSTANTS
-
- ; then transform columns
- IADST8X8_1D
-
- b end_vp9_iht8x8_64_add_neon
-
-idct_iadst
- ; generate IADST constants
- GENERATE_IADST_CONSTANTS
-
- ; first transform rows
- IADST8X8_1D
-
- ; transpose the matrix
- TRANSPOSE8X8
-
- ; generate IDCT constants
- GENERATE_IDCT_CONSTANTS
-
- ; then transform columns
- IDCT8x8_1D
-
- b end_vp9_iht8x8_64_add_neon
-
-iadst_iadst
- ; generate IADST constants
- GENERATE_IADST_CONSTANTS
-
- ; first transform rows
- IADST8X8_1D
-
- ; transpose the matrix
- TRANSPOSE8X8
-
- ; then transform columns
- IADST8X8_1D
-
-end_vp9_iht8x8_64_add_neon
- vpop {d8-d15}
- pop {r0-r10}
-
- ; ROUND_POWER_OF_TWO(temp_out[j], 5)
- vrshr.s16 q8, q8, #5
- vrshr.s16 q9, q9, #5
- vrshr.s16 q10, q10, #5
- vrshr.s16 q11, q11, #5
- vrshr.s16 q12, q12, #5
- vrshr.s16 q13, q13, #5
- vrshr.s16 q14, q14, #5
- vrshr.s16 q15, q15, #5
-
- ; save dest pointer
- mov r0, r1
-
- ; load destination data
- vld1.64 {d0}, [r1], r2
- vld1.64 {d1}, [r1], r2
- vld1.64 {d2}, [r1], r2
- vld1.64 {d3}, [r1], r2
- vld1.64 {d4}, [r1], r2
- vld1.64 {d5}, [r1], r2
- vld1.64 {d6}, [r1], r2
- vld1.64 {d7}, [r1]
-
- ; ROUND_POWER_OF_TWO(temp_out[j], 5) + dest[j * dest_stride + i]
- vaddw.u8 q8, q8, d0
- vaddw.u8 q9, q9, d1
- vaddw.u8 q10, q10, d2
- vaddw.u8 q11, q11, d3
- vaddw.u8 q12, q12, d4
- vaddw.u8 q13, q13, d5
- vaddw.u8 q14, q14, d6
- vaddw.u8 q15, q15, d7
-
- ; clip_pixel
- vqmovun.s16 d0, q8
- vqmovun.s16 d1, q9
- vqmovun.s16 d2, q10
- vqmovun.s16 d3, q11
- vqmovun.s16 d4, q12
- vqmovun.s16 d5, q13
- vqmovun.s16 d6, q14
- vqmovun.s16 d7, q15
-
- ; store the data
- vst1.64 {d0}, [r0], r2
- vst1.64 {d1}, [r0], r2
- vst1.64 {d2}, [r0], r2
- vst1.64 {d3}, [r0], r2
- vst1.64 {d4}, [r0], r2
- vst1.64 {d5}, [r0], r2
- vst1.64 {d6}, [r0], r2
- vst1.64 {d7}, [r0], r2
- bx lr
- ENDP ; |vp9_iht8x8_64_add_neon|
-
- END
--- /dev/null
+/*
+ * 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.
+ */
+
+#include <arm_neon.h>
+#include <assert.h>
+
+#include "./vp9_rtcd.h"
+#include "vp9/common/vp9_common.h"
+
+static int16_t cospi_2_64 = 16305;
+static int16_t cospi_4_64 = 16069;
+static int16_t cospi_6_64 = 15679;
+static int16_t cospi_8_64 = 15137;
+static int16_t cospi_10_64 = 14449;
+static int16_t cospi_12_64 = 13623;
+static int16_t cospi_14_64 = 12665;
+static int16_t cospi_16_64 = 11585;
+static int16_t cospi_18_64 = 10394;
+static int16_t cospi_20_64 = 9102;
+static int16_t cospi_22_64 = 7723;
+static int16_t cospi_24_64 = 6270;
+static int16_t cospi_26_64 = 4756;
+static int16_t cospi_28_64 = 3196;
+static int16_t cospi_30_64 = 1606;
+
+static inline void TRANSPOSE8X8(
+ int16x8_t *q8s16,
+ int16x8_t *q9s16,
+ int16x8_t *q10s16,
+ int16x8_t *q11s16,
+ int16x8_t *q12s16,
+ int16x8_t *q13s16,
+ int16x8_t *q14s16,
+ int16x8_t *q15s16) {
+ int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16;
+ int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16;
+ int32x4x2_t q0x2s32, q1x2s32, q2x2s32, q3x2s32;
+ int16x8x2_t q0x2s16, q1x2s16, q2x2s16, q3x2s16;
+
+ d16s16 = vget_low_s16(*q8s16);
+ d17s16 = vget_high_s16(*q8s16);
+ d18s16 = vget_low_s16(*q9s16);
+ d19s16 = vget_high_s16(*q9s16);
+ d20s16 = vget_low_s16(*q10s16);
+ d21s16 = vget_high_s16(*q10s16);
+ d22s16 = vget_low_s16(*q11s16);
+ d23s16 = vget_high_s16(*q11s16);
+ d24s16 = vget_low_s16(*q12s16);
+ d25s16 = vget_high_s16(*q12s16);
+ d26s16 = vget_low_s16(*q13s16);
+ d27s16 = vget_high_s16(*q13s16);
+ d28s16 = vget_low_s16(*q14s16);
+ d29s16 = vget_high_s16(*q14s16);
+ d30s16 = vget_low_s16(*q15s16);
+ d31s16 = vget_high_s16(*q15s16);
+
+ *q8s16 = vcombine_s16(d16s16, d24s16); // vswp d17, d24
+ *q9s16 = vcombine_s16(d18s16, d26s16); // vswp d19, d26
+ *q10s16 = vcombine_s16(d20s16, d28s16); // vswp d21, d28
+ *q11s16 = vcombine_s16(d22s16, d30s16); // vswp d23, d30
+ *q12s16 = vcombine_s16(d17s16, d25s16);
+ *q13s16 = vcombine_s16(d19s16, d27s16);
+ *q14s16 = vcombine_s16(d21s16, d29s16);
+ *q15s16 = vcombine_s16(d23s16, d31s16);
+
+ q0x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q8s16),
+ vreinterpretq_s32_s16(*q10s16));
+ q1x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q9s16),
+ vreinterpretq_s32_s16(*q11s16));
+ q2x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q12s16),
+ vreinterpretq_s32_s16(*q14s16));
+ q3x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q13s16),
+ vreinterpretq_s32_s16(*q15s16));
+
+ q0x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[0]), // q8
+ vreinterpretq_s16_s32(q1x2s32.val[0])); // q9
+ q1x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[1]), // q10
+ vreinterpretq_s16_s32(q1x2s32.val[1])); // q11
+ q2x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[0]), // q12
+ vreinterpretq_s16_s32(q3x2s32.val[0])); // q13
+ q3x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[1]), // q14
+ vreinterpretq_s16_s32(q3x2s32.val[1])); // q15
+
+ *q8s16 = q0x2s16.val[0];
+ *q9s16 = q0x2s16.val[1];
+ *q10s16 = q1x2s16.val[0];
+ *q11s16 = q1x2s16.val[1];
+ *q12s16 = q2x2s16.val[0];
+ *q13s16 = q2x2s16.val[1];
+ *q14s16 = q3x2s16.val[0];
+ *q15s16 = q3x2s16.val[1];
+ return;
+}
+
+static inline void IDCT8x8_1D(
+ int16x8_t *q8s16,
+ int16x8_t *q9s16,
+ int16x8_t *q10s16,
+ int16x8_t *q11s16,
+ int16x8_t *q12s16,
+ int16x8_t *q13s16,
+ int16x8_t *q14s16,
+ int16x8_t *q15s16) {
+ int16x4_t d0s16, d1s16, d2s16, d3s16;
+ int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16;
+ int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16;
+ int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16;
+ int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16;
+ int32x4_t q2s32, q3s32, q5s32, q6s32, q8s32, q9s32;
+ int32x4_t q10s32, q11s32, q12s32, q13s32, q15s32;
+
+ d0s16 = vdup_n_s16(cospi_28_64);
+ d1s16 = vdup_n_s16(cospi_4_64);
+ d2s16 = vdup_n_s16(cospi_12_64);
+ d3s16 = vdup_n_s16(cospi_20_64);
+
+ d16s16 = vget_low_s16(*q8s16);
+ d17s16 = vget_high_s16(*q8s16);
+ d18s16 = vget_low_s16(*q9s16);
+ d19s16 = vget_high_s16(*q9s16);
+ d20s16 = vget_low_s16(*q10s16);
+ d21s16 = vget_high_s16(*q10s16);
+ d22s16 = vget_low_s16(*q11s16);
+ d23s16 = vget_high_s16(*q11s16);
+ d24s16 = vget_low_s16(*q12s16);
+ d25s16 = vget_high_s16(*q12s16);
+ d26s16 = vget_low_s16(*q13s16);
+ d27s16 = vget_high_s16(*q13s16);
+ d28s16 = vget_low_s16(*q14s16);
+ d29s16 = vget_high_s16(*q14s16);
+ d30s16 = vget_low_s16(*q15s16);
+ d31s16 = vget_high_s16(*q15s16);
+
+ q2s32 = vmull_s16(d18s16, d0s16);
+ q3s32 = vmull_s16(d19s16, d0s16);
+ q5s32 = vmull_s16(d26s16, d2s16);
+ q6s32 = vmull_s16(d27s16, d2s16);
+
+ q2s32 = vmlsl_s16(q2s32, d30s16, d1s16);
+ q3s32 = vmlsl_s16(q3s32, d31s16, d1s16);
+ q5s32 = vmlsl_s16(q5s32, d22s16, d3s16);
+ q6s32 = vmlsl_s16(q6s32, d23s16, d3s16);
+
+ d8s16 = vqrshrn_n_s32(q2s32, 14);
+ d9s16 = vqrshrn_n_s32(q3s32, 14);
+ d10s16 = vqrshrn_n_s32(q5s32, 14);
+ d11s16 = vqrshrn_n_s32(q6s32, 14);
+ q4s16 = vcombine_s16(d8s16, d9s16);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+
+ q2s32 = vmull_s16(d18s16, d1s16);
+ q3s32 = vmull_s16(d19s16, d1s16);
+ q9s32 = vmull_s16(d26s16, d3s16);
+ q13s32 = vmull_s16(d27s16, d3s16);
+
+ q2s32 = vmlal_s16(q2s32, d30s16, d0s16);
+ q3s32 = vmlal_s16(q3s32, d31s16, d0s16);
+ q9s32 = vmlal_s16(q9s32, d22s16, d2s16);
+ q13s32 = vmlal_s16(q13s32, d23s16, d2s16);
+
+ d14s16 = vqrshrn_n_s32(q2s32, 14);
+ d15s16 = vqrshrn_n_s32(q3s32, 14);
+ d12s16 = vqrshrn_n_s32(q9s32, 14);
+ d13s16 = vqrshrn_n_s32(q13s32, 14);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+ q7s16 = vcombine_s16(d14s16, d15s16);
+
+ d0s16 = vdup_n_s16(cospi_16_64);
+
+ q2s32 = vmull_s16(d16s16, d0s16);
+ q3s32 = vmull_s16(d17s16, d0s16);
+ q13s32 = vmull_s16(d16s16, d0s16);
+ q15s32 = vmull_s16(d17s16, d0s16);
+
+ q2s32 = vmlal_s16(q2s32, d24s16, d0s16);
+ q3s32 = vmlal_s16(q3s32, d25s16, d0s16);
+ q13s32 = vmlsl_s16(q13s32, d24s16, d0s16);
+ q15s32 = vmlsl_s16(q15s32, d25s16, d0s16);
+
+ d0s16 = vdup_n_s16(cospi_24_64);
+ d1s16 = vdup_n_s16(cospi_8_64);
+
+ d18s16 = vqrshrn_n_s32(q2s32, 14);
+ d19s16 = vqrshrn_n_s32(q3s32, 14);
+ d22s16 = vqrshrn_n_s32(q13s32, 14);
+ d23s16 = vqrshrn_n_s32(q15s32, 14);
+ *q9s16 = vcombine_s16(d18s16, d19s16);
+ *q11s16 = vcombine_s16(d22s16, d23s16);
+
+ q2s32 = vmull_s16(d20s16, d0s16);
+ q3s32 = vmull_s16(d21s16, d0s16);
+ q8s32 = vmull_s16(d20s16, d1s16);
+ q12s32 = vmull_s16(d21s16, d1s16);
+
+ q2s32 = vmlsl_s16(q2s32, d28s16, d1s16);
+ q3s32 = vmlsl_s16(q3s32, d29s16, d1s16);
+ q8s32 = vmlal_s16(q8s32, d28s16, d0s16);
+ q12s32 = vmlal_s16(q12s32, d29s16, d0s16);
+
+ d26s16 = vqrshrn_n_s32(q2s32, 14);
+ d27s16 = vqrshrn_n_s32(q3s32, 14);
+ d30s16 = vqrshrn_n_s32(q8s32, 14);
+ d31s16 = vqrshrn_n_s32(q12s32, 14);
+ *q13s16 = vcombine_s16(d26s16, d27s16);
+ *q15s16 = vcombine_s16(d30s16, d31s16);
+
+ q0s16 = vaddq_s16(*q9s16, *q15s16);
+ q1s16 = vaddq_s16(*q11s16, *q13s16);
+ q2s16 = vsubq_s16(*q11s16, *q13s16);
+ q3s16 = vsubq_s16(*q9s16, *q15s16);
+
+ *q13s16 = vsubq_s16(q4s16, q5s16);
+ q4s16 = vaddq_s16(q4s16, q5s16);
+ *q14s16 = vsubq_s16(q7s16, q6s16);
+ q7s16 = vaddq_s16(q7s16, q6s16);
+ d26s16 = vget_low_s16(*q13s16);
+ d27s16 = vget_high_s16(*q13s16);
+ d28s16 = vget_low_s16(*q14s16);
+ d29s16 = vget_high_s16(*q14s16);
+
+ d16s16 = vdup_n_s16(cospi_16_64);
+
+ q9s32 = vmull_s16(d28s16, d16s16);
+ q10s32 = vmull_s16(d29s16, d16s16);
+ q11s32 = vmull_s16(d28s16, d16s16);
+ q12s32 = vmull_s16(d29s16, d16s16);
+
+ q9s32 = vmlsl_s16(q9s32, d26s16, d16s16);
+ q10s32 = vmlsl_s16(q10s32, d27s16, d16s16);
+ q11s32 = vmlal_s16(q11s32, d26s16, d16s16);
+ q12s32 = vmlal_s16(q12s32, d27s16, d16s16);
+
+ d10s16 = vqrshrn_n_s32(q9s32, 14);
+ d11s16 = vqrshrn_n_s32(q10s32, 14);
+ d12s16 = vqrshrn_n_s32(q11s32, 14);
+ d13s16 = vqrshrn_n_s32(q12s32, 14);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ *q8s16 = vaddq_s16(q0s16, q7s16);
+ *q9s16 = vaddq_s16(q1s16, q6s16);
+ *q10s16 = vaddq_s16(q2s16, q5s16);
+ *q11s16 = vaddq_s16(q3s16, q4s16);
+ *q12s16 = vsubq_s16(q3s16, q4s16);
+ *q13s16 = vsubq_s16(q2s16, q5s16);
+ *q14s16 = vsubq_s16(q1s16, q6s16);
+ *q15s16 = vsubq_s16(q0s16, q7s16);
+ return;
+}
+
+static inline void IADST8X8_1D(
+ int16x8_t *q8s16,
+ int16x8_t *q9s16,
+ int16x8_t *q10s16,
+ int16x8_t *q11s16,
+ int16x8_t *q12s16,
+ int16x8_t *q13s16,
+ int16x8_t *q14s16,
+ int16x8_t *q15s16) {
+ int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16;
+ int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16;
+ int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16;
+ int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16;
+ int16x8_t q2s16, q4s16, q5s16, q6s16;
+ int32x4_t q0s32, q1s32, q2s32, q3s32, q4s32, q5s32, q6s32, q7s32, q8s32;
+ int32x4_t q9s32, q10s32, q11s32, q12s32, q13s32, q14s32, q15s32;
+
+ d16s16 = vget_low_s16(*q8s16);
+ d17s16 = vget_high_s16(*q8s16);
+ d18s16 = vget_low_s16(*q9s16);
+ d19s16 = vget_high_s16(*q9s16);
+ d20s16 = vget_low_s16(*q10s16);
+ d21s16 = vget_high_s16(*q10s16);
+ d22s16 = vget_low_s16(*q11s16);
+ d23s16 = vget_high_s16(*q11s16);
+ d24s16 = vget_low_s16(*q12s16);
+ d25s16 = vget_high_s16(*q12s16);
+ d26s16 = vget_low_s16(*q13s16);
+ d27s16 = vget_high_s16(*q13s16);
+ d28s16 = vget_low_s16(*q14s16);
+ d29s16 = vget_high_s16(*q14s16);
+ d30s16 = vget_low_s16(*q15s16);
+ d31s16 = vget_high_s16(*q15s16);
+
+ d14s16 = vdup_n_s16(cospi_2_64);
+ d15s16 = vdup_n_s16(cospi_30_64);
+
+ q1s32 = vmull_s16(d30s16, d14s16);
+ q2s32 = vmull_s16(d31s16, d14s16);
+ q3s32 = vmull_s16(d30s16, d15s16);
+ q4s32 = vmull_s16(d31s16, d15s16);
+
+ d30s16 = vdup_n_s16(cospi_18_64);
+ d31s16 = vdup_n_s16(cospi_14_64);
+
+ q1s32 = vmlal_s16(q1s32, d16s16, d15s16);
+ q2s32 = vmlal_s16(q2s32, d17s16, d15s16);
+ q3s32 = vmlsl_s16(q3s32, d16s16, d14s16);
+ q4s32 = vmlsl_s16(q4s32, d17s16, d14s16);
+
+ q5s32 = vmull_s16(d22s16, d30s16);
+ q6s32 = vmull_s16(d23s16, d30s16);
+ q7s32 = vmull_s16(d22s16, d31s16);
+ q8s32 = vmull_s16(d23s16, d31s16);
+
+ q5s32 = vmlal_s16(q5s32, d24s16, d31s16);
+ q6s32 = vmlal_s16(q6s32, d25s16, d31s16);
+ q7s32 = vmlsl_s16(q7s32, d24s16, d30s16);
+ q8s32 = vmlsl_s16(q8s32, d25s16, d30s16);
+
+ q11s32 = vaddq_s32(q1s32, q5s32);
+ q12s32 = vaddq_s32(q2s32, q6s32);
+ q1s32 = vsubq_s32(q1s32, q5s32);
+ q2s32 = vsubq_s32(q2s32, q6s32);
+
+ d22s16 = vqrshrn_n_s32(q11s32, 14);
+ d23s16 = vqrshrn_n_s32(q12s32, 14);
+ *q11s16 = vcombine_s16(d22s16, d23s16);
+
+ q12s32 = vaddq_s32(q3s32, q7s32);
+ q15s32 = vaddq_s32(q4s32, q8s32);
+ q3s32 = vsubq_s32(q3s32, q7s32);
+ q4s32 = vsubq_s32(q4s32, q8s32);
+
+ d2s16 = vqrshrn_n_s32(q1s32, 14);
+ d3s16 = vqrshrn_n_s32(q2s32, 14);
+ d24s16 = vqrshrn_n_s32(q12s32, 14);
+ d25s16 = vqrshrn_n_s32(q15s32, 14);
+ d6s16 = vqrshrn_n_s32(q3s32, 14);
+ d7s16 = vqrshrn_n_s32(q4s32, 14);
+ *q12s16 = vcombine_s16(d24s16, d25s16);
+
+ d0s16 = vdup_n_s16(cospi_10_64);
+ d1s16 = vdup_n_s16(cospi_22_64);
+ q4s32 = vmull_s16(d26s16, d0s16);
+ q5s32 = vmull_s16(d27s16, d0s16);
+ q2s32 = vmull_s16(d26s16, d1s16);
+ q6s32 = vmull_s16(d27s16, d1s16);
+
+ d30s16 = vdup_n_s16(cospi_26_64);
+ d31s16 = vdup_n_s16(cospi_6_64);
+
+ q4s32 = vmlal_s16(q4s32, d20s16, d1s16);
+ q5s32 = vmlal_s16(q5s32, d21s16, d1s16);
+ q2s32 = vmlsl_s16(q2s32, d20s16, d0s16);
+ q6s32 = vmlsl_s16(q6s32, d21s16, d0s16);
+
+ q0s32 = vmull_s16(d18s16, d30s16);
+ q13s32 = vmull_s16(d19s16, d30s16);
+
+ q0s32 = vmlal_s16(q0s32, d28s16, d31s16);
+ q13s32 = vmlal_s16(q13s32, d29s16, d31s16);
+
+ q10s32 = vmull_s16(d18s16, d31s16);
+ q9s32 = vmull_s16(d19s16, d31s16);
+
+ q10s32 = vmlsl_s16(q10s32, d28s16, d30s16);
+ q9s32 = vmlsl_s16(q9s32, d29s16, d30s16);
+
+ q14s32 = vaddq_s32(q2s32, q10s32);
+ q15s32 = vaddq_s32(q6s32, q9s32);
+ q2s32 = vsubq_s32(q2s32, q10s32);
+ q6s32 = vsubq_s32(q6s32, q9s32);
+
+ d28s16 = vqrshrn_n_s32(q14s32, 14);
+ d29s16 = vqrshrn_n_s32(q15s32, 14);
+ d4s16 = vqrshrn_n_s32(q2s32, 14);
+ d5s16 = vqrshrn_n_s32(q6s32, 14);
+ *q14s16 = vcombine_s16(d28s16, d29s16);
+
+ q9s32 = vaddq_s32(q4s32, q0s32);
+ q10s32 = vaddq_s32(q5s32, q13s32);
+ q4s32 = vsubq_s32(q4s32, q0s32);
+ q5s32 = vsubq_s32(q5s32, q13s32);
+
+ d30s16 = vdup_n_s16(cospi_8_64);
+ d31s16 = vdup_n_s16(cospi_24_64);
+
+ d18s16 = vqrshrn_n_s32(q9s32, 14);
+ d19s16 = vqrshrn_n_s32(q10s32, 14);
+ d8s16 = vqrshrn_n_s32(q4s32, 14);
+ d9s16 = vqrshrn_n_s32(q5s32, 14);
+ *q9s16 = vcombine_s16(d18s16, d19s16);
+
+ q5s32 = vmull_s16(d2s16, d30s16);
+ q6s32 = vmull_s16(d3s16, d30s16);
+ q7s32 = vmull_s16(d2s16, d31s16);
+ q0s32 = vmull_s16(d3s16, d31s16);
+
+ q5s32 = vmlal_s16(q5s32, d6s16, d31s16);
+ q6s32 = vmlal_s16(q6s32, d7s16, d31s16);
+ q7s32 = vmlsl_s16(q7s32, d6s16, d30s16);
+ q0s32 = vmlsl_s16(q0s32, d7s16, d30s16);
+
+ q1s32 = vmull_s16(d4s16, d30s16);
+ q3s32 = vmull_s16(d5s16, d30s16);
+ q10s32 = vmull_s16(d4s16, d31s16);
+ q2s32 = vmull_s16(d5s16, d31s16);
+
+ q1s32 = vmlsl_s16(q1s32, d8s16, d31s16);
+ q3s32 = vmlsl_s16(q3s32, d9s16, d31s16);
+ q10s32 = vmlal_s16(q10s32, d8s16, d30s16);
+ q2s32 = vmlal_s16(q2s32, d9s16, d30s16);
+
+ *q8s16 = vaddq_s16(*q11s16, *q9s16);
+ *q11s16 = vsubq_s16(*q11s16, *q9s16);
+ q4s16 = vaddq_s16(*q12s16, *q14s16);
+ *q12s16 = vsubq_s16(*q12s16, *q14s16);
+
+ q14s32 = vaddq_s32(q5s32, q1s32);
+ q15s32 = vaddq_s32(q6s32, q3s32);
+ q5s32 = vsubq_s32(q5s32, q1s32);
+ q6s32 = vsubq_s32(q6s32, q3s32);
+
+ d18s16 = vqrshrn_n_s32(q14s32, 14);
+ d19s16 = vqrshrn_n_s32(q15s32, 14);
+ d10s16 = vqrshrn_n_s32(q5s32, 14);
+ d11s16 = vqrshrn_n_s32(q6s32, 14);
+ *q9s16 = vcombine_s16(d18s16, d19s16);
+
+ q1s32 = vaddq_s32(q7s32, q10s32);
+ q3s32 = vaddq_s32(q0s32, q2s32);
+ q7s32 = vsubq_s32(q7s32, q10s32);
+ q0s32 = vsubq_s32(q0s32, q2s32);
+
+ d28s16 = vqrshrn_n_s32(q1s32, 14);
+ d29s16 = vqrshrn_n_s32(q3s32, 14);
+ d14s16 = vqrshrn_n_s32(q7s32, 14);
+ d15s16 = vqrshrn_n_s32(q0s32, 14);
+ *q14s16 = vcombine_s16(d28s16, d29s16);
+
+ d30s16 = vdup_n_s16(cospi_16_64);
+
+ d22s16 = vget_low_s16(*q11s16);
+ d23s16 = vget_high_s16(*q11s16);
+ q2s32 = vmull_s16(d22s16, d30s16);
+ q3s32 = vmull_s16(d23s16, d30s16);
+ q13s32 = vmull_s16(d22s16, d30s16);
+ q1s32 = vmull_s16(d23s16, d30s16);
+
+ d24s16 = vget_low_s16(*q12s16);
+ d25s16 = vget_high_s16(*q12s16);
+ q2s32 = vmlal_s16(q2s32, d24s16, d30s16);
+ q3s32 = vmlal_s16(q3s32, d25s16, d30s16);
+ q13s32 = vmlsl_s16(q13s32, d24s16, d30s16);
+ q1s32 = vmlsl_s16(q1s32, d25s16, d30s16);
+
+ d4s16 = vqrshrn_n_s32(q2s32, 14);
+ d5s16 = vqrshrn_n_s32(q3s32, 14);
+ d24s16 = vqrshrn_n_s32(q13s32, 14);
+ d25s16 = vqrshrn_n_s32(q1s32, 14);
+ q2s16 = vcombine_s16(d4s16, d5s16);
+ *q12s16 = vcombine_s16(d24s16, d25s16);
+
+ q13s32 = vmull_s16(d10s16, d30s16);
+ q1s32 = vmull_s16(d11s16, d30s16);
+ q11s32 = vmull_s16(d10s16, d30s16);
+ q0s32 = vmull_s16(d11s16, d30s16);
+
+ q13s32 = vmlal_s16(q13s32, d14s16, d30s16);
+ q1s32 = vmlal_s16(q1s32, d15s16, d30s16);
+ q11s32 = vmlsl_s16(q11s32, d14s16, d30s16);
+ q0s32 = vmlsl_s16(q0s32, d15s16, d30s16);
+
+ d20s16 = vqrshrn_n_s32(q13s32, 14);
+ d21s16 = vqrshrn_n_s32(q1s32, 14);
+ d12s16 = vqrshrn_n_s32(q11s32, 14);
+ d13s16 = vqrshrn_n_s32(q0s32, 14);
+ *q10s16 = vcombine_s16(d20s16, d21s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ q5s16 = vdupq_n_s16(0);
+
+ *q9s16 = vsubq_s16(q5s16, *q9s16);
+ *q11s16 = vsubq_s16(q5s16, q2s16);
+ *q13s16 = vsubq_s16(q5s16, q6s16);
+ *q15s16 = vsubq_s16(q5s16, q4s16);
+ return;
+}
+
+void vp9_iht8x8_64_add_neon(const tran_low_t *input, uint8_t *dest,
+ int dest_stride, int tx_type) {
+ int i;
+ uint8_t *d1, *d2;
+ uint8x8_t d0u8, d1u8, d2u8, d3u8;
+ uint64x1_t d0u64, d1u64, d2u64, d3u64;
+ int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16;
+ uint16x8_t q8u16, q9u16, q10u16, q11u16;
+
+ q8s16 = vld1q_s16(input);
+ q9s16 = vld1q_s16(input + 8);
+ q10s16 = vld1q_s16(input + 8 * 2);
+ q11s16 = vld1q_s16(input + 8 * 3);
+ q12s16 = vld1q_s16(input + 8 * 4);
+ q13s16 = vld1q_s16(input + 8 * 5);
+ q14s16 = vld1q_s16(input + 8 * 6);
+ q15s16 = vld1q_s16(input + 8 * 7);
+
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ switch (tx_type) {
+ case 0: // idct_idct is not supported. Fall back to C
+ vp9_iht8x8_64_add_c(input, dest, dest_stride, tx_type);
+ return;
+ break;
+ case 1: // iadst_idct
+ // generate IDCT constants
+ // GENERATE_IDCT_CONSTANTS
+
+ // first transform rows
+ IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ // transpose the matrix
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ // generate IADST constants
+ // GENERATE_IADST_CONSTANTS
+
+ // then transform columns
+ IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+ break;
+ case 2: // idct_iadst
+ // generate IADST constants
+ // GENERATE_IADST_CONSTANTS
+
+ // first transform rows
+ IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ // transpose the matrix
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ // generate IDCT constants
+ // GENERATE_IDCT_CONSTANTS
+
+ // then transform columns
+ IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+ break;
+ case 3: // iadst_iadst
+ // generate IADST constants
+ // GENERATE_IADST_CONSTANTS
+
+ // first transform rows
+ IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ // transpose the matrix
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ // then transform columns
+ IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+ break;
+ default: // iadst_idct
+ assert(0);
+ break;
+ }
+
+ q8s16 = vrshrq_n_s16(q8s16, 5);
+ q9s16 = vrshrq_n_s16(q9s16, 5);
+ q10s16 = vrshrq_n_s16(q10s16, 5);
+ q11s16 = vrshrq_n_s16(q11s16, 5);
+ q12s16 = vrshrq_n_s16(q12s16, 5);
+ q13s16 = vrshrq_n_s16(q13s16, 5);
+ q14s16 = vrshrq_n_s16(q14s16, 5);
+ q15s16 = vrshrq_n_s16(q15s16, 5);
+
+ for (d1 = d2 = dest, i = 0; i < 2; i++) {
+ if (i != 0) {
+ q8s16 = q12s16;
+ q9s16 = q13s16;
+ q10s16 = q14s16;
+ q11s16 = q15s16;
+ }
+
+ d0u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d1u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d2u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d3u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+
+ q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16),
+ vreinterpret_u8_u64(d0u64));
+ q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16),
+ vreinterpret_u8_u64(d1u64));
+ q10u16 = vaddw_u8(vreinterpretq_u16_s16(q10s16),
+ vreinterpret_u8_u64(d2u64));
+ q11u16 = vaddw_u8(vreinterpretq_u16_s16(q11s16),
+ vreinterpret_u8_u64(d3u64));
+
+ d0u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
+ d1u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16));
+ d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q10u16));
+ d3u8 = vqmovun_s16(vreinterpretq_s16_u16(q11u16));
+
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d0u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8));
+ d2 += dest_stride;
+ }
+ return;
+}
projects / libvpx / commitdiff