| Index: source/libvpx/vp9/common/arm/neon/vp9_idct8x8_add_neon.asm
|
| ===================================================================
|
| --- source/libvpx/vp9/common/arm/neon/vp9_idct8x8_add_neon.asm (revision 293588)
|
| +++ source/libvpx/vp9/common/arm/neon/vp9_idct8x8_add_neon.asm (working copy)
|
| @@ -1,519 +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_idct8x8_64_add_neon|
|
| - EXPORT |vp9_idct8x8_12_add_neon|
|
| - ARM
|
| - REQUIRE8
|
| - PRESERVE8
|
| -
|
| - AREA ||.text||, CODE, READONLY, ALIGN=2
|
| -
|
| - ; Parallel 1D IDCT on all the columns of a 8x8 16bit data matrix which are
|
| - ; loaded in q8-q15. 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 - input[3] * cospi_8_64
|
| - ; 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
|
| -
|
| - ; Transpose a 8x8 16bit 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
|
| -
|
| - AREA Block, CODE, READONLY ; name this block of code
|
| -;void vp9_idct8x8_64_add_neon(int16_t *input, uint8_t *dest, int dest_stride)
|
| -;
|
| -; r0 int16_t input
|
| -; r1 uint8_t *dest
|
| -; r2 int dest_stride)
|
| -
|
| -|vp9_idct8x8_64_add_neon| PROC
|
| - push {r4-r9}
|
| - vpush {d8-d15}
|
| - vld1.s16 {q8,q9}, [r0]!
|
| - vld1.s16 {q10,q11}, [r0]!
|
| - vld1.s16 {q12,q13}, [r0]!
|
| - vld1.s16 {q14,q15}, [r0]!
|
| -
|
| - ; transpose the input data
|
| - TRANSPOSE8X8
|
| -
|
| - ; 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
|
| -
|
| - ; First transform rows
|
| - IDCT8x8_1D
|
| -
|
| - ; Transpose the matrix
|
| - TRANSPOSE8X8
|
| -
|
| - ; Then transform columns
|
| - IDCT8x8_1D
|
| -
|
| - ; 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
|
| -
|
| - vpop {d8-d15}
|
| - pop {r4-r9}
|
| - bx lr
|
| - ENDP ; |vp9_idct8x8_64_add_neon|
|
| -
|
| -;void vp9_idct8x8_12_add_neon(int16_t *input, uint8_t *dest, int dest_stride)
|
| -;
|
| -; r0 int16_t input
|
| -; r1 uint8_t *dest
|
| -; r2 int dest_stride)
|
| -
|
| -|vp9_idct8x8_12_add_neon| PROC
|
| - push {r4-r9}
|
| - vpush {d8-d15}
|
| - vld1.s16 {q8,q9}, [r0]!
|
| - vld1.s16 {q10,q11}, [r0]!
|
| - vld1.s16 {q12,q13}, [r0]!
|
| - vld1.s16 {q14,q15}, [r0]!
|
| -
|
| - ; transpose the input data
|
| - TRANSPOSE8X8
|
| -
|
| - ; 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
|
| -
|
| - ; First transform rows
|
| - ; stage 1
|
| - ; The following instructions use vqrdmulh to do the
|
| - ; dct_const_round_shift(input[1] * cospi_28_64). vqrdmulh will do doubling
|
| - ; multiply and shift the result by 16 bits instead of 14 bits. So we need
|
| - ; to double the constants before multiplying to compensate this.
|
| - mov r12, r3, lsl #1
|
| - vdup.16 q0, r12 ; duplicate cospi_28_64*2
|
| - mov r12, r4, lsl #1
|
| - vdup.16 q1, r12 ; duplicate cospi_4_64*2
|
| -
|
| - ; dct_const_round_shift(input[1] * cospi_28_64)
|
| - vqrdmulh.s16 q4, q9, q0
|
| -
|
| - mov r12, r6, lsl #1
|
| - rsb r12, #0
|
| - vdup.16 q0, r12 ; duplicate -cospi_20_64*2
|
| -
|
| - ; dct_const_round_shift(input[1] * cospi_4_64)
|
| - vqrdmulh.s16 q7, q9, q1
|
| -
|
| - mov r12, r5, lsl #1
|
| - vdup.16 q1, r12 ; duplicate cospi_12_64*2
|
| -
|
| - ; dct_const_round_shift(- input[3] * cospi_20_64)
|
| - vqrdmulh.s16 q5, q11, q0
|
| -
|
| - mov r12, r7, lsl #1
|
| - vdup.16 q0, r12 ; duplicate cospi_16_64*2
|
| -
|
| - ; dct_const_round_shift(input[3] * cospi_12_64)
|
| - vqrdmulh.s16 q6, q11, q1
|
| -
|
| - ; stage 2 & stage 3 - even half
|
| - mov r12, r8, lsl #1
|
| - vdup.16 q1, r12 ; duplicate cospi_24_64*2
|
| -
|
| - ; dct_const_round_shift(input_dc * cospi_16_64)
|
| - vqrdmulh.s16 q9, q8, q0
|
| -
|
| - mov r12, r9, lsl #1
|
| - vdup.16 q0, r12 ; duplicate cospi_8_64*2
|
| -
|
| - ; dct_const_round_shift(input[1] * cospi_24_64)
|
| - vqrdmulh.s16 q13, q10, q1
|
| -
|
| - ; dct_const_round_shift(input[1] * cospi_8_64)
|
| - vqrdmulh.s16 q15, q10, q0
|
| -
|
| - ; stage 3 -odd half
|
| - vdup.16 d16, r7 ; duplicate cospi_16_64
|
| -
|
| - vadd.s16 q0, q9, q15 ; output[0] = step[0] + step[3]
|
| - vadd.s16 q1, q9, q13 ; output[1] = step[1] + step[2]
|
| - vsub.s16 q2, q9, q13 ; output[2] = step[1] - step[2]
|
| - vsub.s16 q3, q9, q15 ; output[3] = step[0] - step[3]
|
| -
|
| - ; 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];
|
| -
|
| - ; Transpose the matrix
|
| - TRANSPOSE8X8
|
| -
|
| - ; Then transform columns
|
| - IDCT8x8_1D
|
| -
|
| - ; 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
|
| -
|
| - vpop {d8-d15}
|
| - pop {r4-r9}
|
| - bx lr
|
| - ENDP ; |vp9_idct8x8_12_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/