| Index: source/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.asm
|
| ===================================================================
|
| --- source/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.asm (revision 293588)
|
| +++ source/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.asm (working copy)
|
| @@ -1,698 +0,0 @@
|
| -;
|
| -; 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
|
|
|
Chromium Code Reviews
Issue 812033011:
libvpx: Pull from upstream (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/