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-rw-r--r--third_party/aom/aom_dsp/arm/avg_neon.c38
-rw-r--r--third_party/aom/aom_dsp/arm/bilinear_filter_media.asm240
-rw-r--r--third_party/aom/aom_dsp/arm/sad_media.asm98
-rw-r--r--third_party/aom/aom_dsp/arm/subpel_variance_media.c81
-rw-r--r--third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_h_media.asm185
-rw-r--r--third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_hv_media.asm225
-rw-r--r--third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_v_media.asm187
-rw-r--r--third_party/aom/aom_dsp/arm/variance_media.asm361
8 files changed, 0 insertions, 1415 deletions
diff --git a/third_party/aom/aom_dsp/arm/avg_neon.c b/third_party/aom/aom_dsp/arm/avg_neon.c
index e730ccbcc..6ff760017 100644
--- a/third_party/aom/aom_dsp/arm/avg_neon.c
+++ b/third_party/aom/aom_dsp/arm/avg_neon.c
@@ -25,44 +25,6 @@ static INLINE unsigned int horizontal_add_u16x8(const uint16x8_t v_16x8) {
return vget_lane_u32(c, 0);
}
-unsigned int aom_avg_4x4_neon(const uint8_t *s, int p) {
- uint16x8_t v_sum;
- uint32x2_t v_s0 = vdup_n_u32(0);
- uint32x2_t v_s1 = vdup_n_u32(0);
- v_s0 = vld1_lane_u32((const uint32_t *)s, v_s0, 0);
- v_s0 = vld1_lane_u32((const uint32_t *)(s + p), v_s0, 1);
- v_s1 = vld1_lane_u32((const uint32_t *)(s + 2 * p), v_s1, 0);
- v_s1 = vld1_lane_u32((const uint32_t *)(s + 3 * p), v_s1, 1);
- v_sum = vaddl_u8(vreinterpret_u8_u32(v_s0), vreinterpret_u8_u32(v_s1));
- return (horizontal_add_u16x8(v_sum) + 8) >> 4;
-}
-
-unsigned int aom_avg_8x8_neon(const uint8_t *s, int p) {
- uint8x8_t v_s0 = vld1_u8(s);
- const uint8x8_t v_s1 = vld1_u8(s + p);
- uint16x8_t v_sum = vaddl_u8(v_s0, v_s1);
-
- v_s0 = vld1_u8(s + 2 * p);
- v_sum = vaddw_u8(v_sum, v_s0);
-
- v_s0 = vld1_u8(s + 3 * p);
- v_sum = vaddw_u8(v_sum, v_s0);
-
- v_s0 = vld1_u8(s + 4 * p);
- v_sum = vaddw_u8(v_sum, v_s0);
-
- v_s0 = vld1_u8(s + 5 * p);
- v_sum = vaddw_u8(v_sum, v_s0);
-
- v_s0 = vld1_u8(s + 6 * p);
- v_sum = vaddw_u8(v_sum, v_s0);
-
- v_s0 = vld1_u8(s + 7 * p);
- v_sum = vaddw_u8(v_sum, v_s0);
-
- return (horizontal_add_u16x8(v_sum) + 32) >> 6;
-}
-
// coeff: 16 bits, dynamic range [-32640, 32640].
// length: value range {16, 64, 256, 1024}.
int aom_satd_neon(const int16_t *coeff, int length) {
diff --git a/third_party/aom/aom_dsp/arm/bilinear_filter_media.asm b/third_party/aom/aom_dsp/arm/bilinear_filter_media.asm
deleted file mode 100644
index 17b7d25f9..000000000
--- a/third_party/aom/aom_dsp/arm/bilinear_filter_media.asm
+++ /dev/null
@@ -1,240 +0,0 @@
-;
-; Copyright (c) 2016, Alliance for Open Media. All rights reserved
-;
-; This source code is subject to the terms of the BSD 2 Clause License and
-; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
-; was not distributed with this source code in the LICENSE file, you can
-; obtain it at www.aomedia.org/license/software. If the Alliance for Open
-; Media Patent License 1.0 was not distributed with this source code in the
-; PATENTS file, you can obtain it at www.aomedia.org/license/patent.
-;
-
-;
-
-
- EXPORT |aom_filter_block2d_bil_first_pass_media|
- EXPORT |aom_filter_block2d_bil_second_pass_media|
-
- AREA |.text|, CODE, READONLY ; name this block of code
-
-;-------------------------------------
-; r0 unsigned char *src_ptr,
-; r1 unsigned short *dst_ptr,
-; r2 unsigned int src_pitch,
-; r3 unsigned int height,
-; stack unsigned int width,
-; stack const short *aom_filter
-;-------------------------------------
-; The output is transposed stroed in output array to make it easy for second pass filtering.
-|aom_filter_block2d_bil_first_pass_media| PROC
- stmdb sp!, {r4 - r11, lr}
-
- ldr r11, [sp, #40] ; aom_filter address
- ldr r4, [sp, #36] ; width
-
- mov r12, r3 ; outer-loop counter
-
- add r7, r2, r4 ; preload next row
- pld [r0, r7]
-
- sub r2, r2, r4 ; src increment for height loop
-
- ldr r5, [r11] ; load up filter coefficients
-
- mov r3, r3, lsl #1 ; height*2
- add r3, r3, #2 ; plus 2 to make output buffer 4-bit aligned since height is actually (height+1)
-
- mov r11, r1 ; save dst_ptr for each row
-
- cmp r5, #128 ; if filter coef = 128, then skip the filter
- beq bil_null_1st_filter
-
-|bil_height_loop_1st_v6|
- ldrb r6, [r0] ; load source data
- ldrb r7, [r0, #1]
- ldrb r8, [r0, #2]
- mov lr, r4, lsr #2 ; 4-in-parellel loop counter
-
-|bil_width_loop_1st_v6|
- ldrb r9, [r0, #3]
- ldrb r10, [r0, #4]
-
- pkhbt r6, r6, r7, lsl #16 ; src[1] | src[0]
- pkhbt r7, r7, r8, lsl #16 ; src[2] | src[1]
-
- smuad r6, r6, r5 ; apply the filter
- pkhbt r8, r8, r9, lsl #16 ; src[3] | src[2]
- smuad r7, r7, r5
- pkhbt r9, r9, r10, lsl #16 ; src[4] | src[3]
-
- smuad r8, r8, r5
- smuad r9, r9, r5
-
- add r0, r0, #4
- subs lr, lr, #1
-
- add r6, r6, #0x40 ; round_shift_and_clamp
- add r7, r7, #0x40
- usat r6, #16, r6, asr #7
- usat r7, #16, r7, asr #7
-
- strh r6, [r1], r3 ; result is transposed and stored
-
- add r8, r8, #0x40 ; round_shift_and_clamp
- strh r7, [r1], r3
- add r9, r9, #0x40
- usat r8, #16, r8, asr #7
- usat r9, #16, r9, asr #7
-
- strh r8, [r1], r3 ; result is transposed and stored
-
- ldrneb r6, [r0] ; load source data
- strh r9, [r1], r3
-
- ldrneb r7, [r0, #1]
- ldrneb r8, [r0, #2]
-
- bne bil_width_loop_1st_v6
-
- add r0, r0, r2 ; move to next input row
- subs r12, r12, #1
-
- add r9, r2, r4, lsl #1 ; adding back block width
- pld [r0, r9] ; preload next row
-
- add r11, r11, #2 ; move over to next column
- mov r1, r11
-
- bne bil_height_loop_1st_v6
-
- ldmia sp!, {r4 - r11, pc}
-
-|bil_null_1st_filter|
-|bil_height_loop_null_1st|
- mov lr, r4, lsr #2 ; loop counter
-
-|bil_width_loop_null_1st|
- ldrb r6, [r0] ; load data
- ldrb r7, [r0, #1]
- ldrb r8, [r0, #2]
- ldrb r9, [r0, #3]
-
- strh r6, [r1], r3 ; store it to immediate buffer
- add r0, r0, #4
- strh r7, [r1], r3
- subs lr, lr, #1
- strh r8, [r1], r3
- strh r9, [r1], r3
-
- bne bil_width_loop_null_1st
-
- subs r12, r12, #1
- add r0, r0, r2 ; move to next input line
- add r11, r11, #2 ; move over to next column
- mov r1, r11
-
- bne bil_height_loop_null_1st
-
- ldmia sp!, {r4 - r11, pc}
-
- ENDP ; |aom_filter_block2d_bil_first_pass_media|
-
-
-;---------------------------------
-; r0 unsigned short *src_ptr,
-; r1 unsigned char *dst_ptr,
-; r2 int dst_pitch,
-; r3 unsigned int height,
-; stack unsigned int width,
-; stack const short *aom_filter
-;---------------------------------
-|aom_filter_block2d_bil_second_pass_media| PROC
- stmdb sp!, {r4 - r11, lr}
-
- ldr r11, [sp, #40] ; aom_filter address
- ldr r4, [sp, #36] ; width
-
- ldr r5, [r11] ; load up filter coefficients
- mov r12, r4 ; outer-loop counter = width, since we work on transposed data matrix
- mov r11, r1
-
- cmp r5, #128 ; if filter coef = 128, then skip the filter
- beq bil_null_2nd_filter
-
-|bil_height_loop_2nd|
- ldr r6, [r0] ; load the data
- ldr r8, [r0, #4]
- ldrh r10, [r0, #8]
- mov lr, r3, lsr #2 ; loop counter
-
-|bil_width_loop_2nd|
- pkhtb r7, r6, r8 ; src[1] | src[2]
- pkhtb r9, r8, r10 ; src[3] | src[4]
-
- smuad r6, r6, r5 ; apply filter
- smuad r8, r8, r5 ; apply filter
-
- subs lr, lr, #1
-
- smuadx r7, r7, r5 ; apply filter
- smuadx r9, r9, r5 ; apply filter
-
- add r0, r0, #8
-
- add r6, r6, #0x40 ; round_shift_and_clamp
- add r7, r7, #0x40
- usat r6, #8, r6, asr #7
- usat r7, #8, r7, asr #7
- strb r6, [r1], r2 ; the result is transposed back and stored
-
- add r8, r8, #0x40 ; round_shift_and_clamp
- strb r7, [r1], r2
- add r9, r9, #0x40
- usat r8, #8, r8, asr #7
- usat r9, #8, r9, asr #7
- strb r8, [r1], r2 ; the result is transposed back and stored
-
- ldrne r6, [r0] ; load data
- strb r9, [r1], r2
- ldrne r8, [r0, #4]
- ldrneh r10, [r0, #8]
-
- bne bil_width_loop_2nd
-
- subs r12, r12, #1
- add r0, r0, #4 ; update src for next row
- add r11, r11, #1
- mov r1, r11
-
- bne bil_height_loop_2nd
- ldmia sp!, {r4 - r11, pc}
-
-|bil_null_2nd_filter|
-|bil_height_loop_null_2nd|
- mov lr, r3, lsr #2
-
-|bil_width_loop_null_2nd|
- ldr r6, [r0], #4 ; load data
- subs lr, lr, #1
- ldr r8, [r0], #4
-
- strb r6, [r1], r2 ; store data
- mov r7, r6, lsr #16
- strb r7, [r1], r2
- mov r9, r8, lsr #16
- strb r8, [r1], r2
- strb r9, [r1], r2
-
- bne bil_width_loop_null_2nd
-
- subs r12, r12, #1
- add r0, r0, #4
- add r11, r11, #1
- mov r1, r11
-
- bne bil_height_loop_null_2nd
-
- ldmia sp!, {r4 - r11, pc}
- ENDP ; |aom_filter_block2d_second_pass_media|
-
- END
diff --git a/third_party/aom/aom_dsp/arm/sad_media.asm b/third_party/aom/aom_dsp/arm/sad_media.asm
deleted file mode 100644
index 49ddb6764..000000000
--- a/third_party/aom/aom_dsp/arm/sad_media.asm
+++ /dev/null
@@ -1,98 +0,0 @@
-;
-; Copyright (c) 2016, Alliance for Open Media. All rights reserved
-;
-; This source code is subject to the terms of the BSD 2 Clause License and
-; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
-; was not distributed with this source code in the LICENSE file, you can
-; obtain it at www.aomedia.org/license/software. If the Alliance for Open
-; Media Patent License 1.0 was not distributed with this source code in the
-; PATENTS file, you can obtain it at www.aomedia.org/license/patent.
-;
-
-;
-
-
- EXPORT |aom_sad16x16_media|
-
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-
-; r0 const unsigned char *src_ptr
-; r1 int src_stride
-; r2 const unsigned char *ref_ptr
-; r3 int ref_stride
-|aom_sad16x16_media| PROC
- stmfd sp!, {r4-r12, lr}
-
- pld [r0, r1, lsl #0]
- pld [r2, r3, lsl #0]
- pld [r0, r1, lsl #1]
- pld [r2, r3, lsl #1]
-
- mov r4, #0 ; sad = 0;
- mov r5, #8 ; loop count
-
-loop
- ; 1st row
- ldr r6, [r0, #0x0] ; load 4 src pixels (1A)
- ldr r8, [r2, #0x0] ; load 4 ref pixels (1A)
- ldr r7, [r0, #0x4] ; load 4 src pixels (1A)
- ldr r9, [r2, #0x4] ; load 4 ref pixels (1A)
- ldr r10, [r0, #0x8] ; load 4 src pixels (1B)
- ldr r11, [r0, #0xC] ; load 4 src pixels (1B)
-
- usada8 r4, r8, r6, r4 ; calculate sad for 4 pixels
- usad8 r8, r7, r9 ; calculate sad for 4 pixels
-
- ldr r12, [r2, #0x8] ; load 4 ref pixels (1B)
- ldr lr, [r2, #0xC] ; load 4 ref pixels (1B)
-
- add r0, r0, r1 ; set src pointer to next row
- add r2, r2, r3 ; set dst pointer to next row
-
- pld [r0, r1, lsl #1]
- pld [r2, r3, lsl #1]
-
- usada8 r4, r10, r12, r4 ; calculate sad for 4 pixels
- usada8 r8, r11, lr, r8 ; calculate sad for 4 pixels
-
- ldr r6, [r0, #0x0] ; load 4 src pixels (2A)
- ldr r7, [r0, #0x4] ; load 4 src pixels (2A)
- add r4, r4, r8 ; add partial sad values
-
- ; 2nd row
- ldr r8, [r2, #0x0] ; load 4 ref pixels (2A)
- ldr r9, [r2, #0x4] ; load 4 ref pixels (2A)
- ldr r10, [r0, #0x8] ; load 4 src pixels (2B)
- ldr r11, [r0, #0xC] ; load 4 src pixels (2B)
-
- usada8 r4, r6, r8, r4 ; calculate sad for 4 pixels
- usad8 r8, r7, r9 ; calculate sad for 4 pixels
-
- ldr r12, [r2, #0x8] ; load 4 ref pixels (2B)
- ldr lr, [r2, #0xC] ; load 4 ref pixels (2B)
-
- add r0, r0, r1 ; set src pointer to next row
- add r2, r2, r3 ; set dst pointer to next row
-
- usada8 r4, r10, r12, r4 ; calculate sad for 4 pixels
- usada8 r8, r11, lr, r8 ; calculate sad for 4 pixels
-
- pld [r0, r1, lsl #1]
- pld [r2, r3, lsl #1]
-
- subs r5, r5, #1 ; decrement loop counter
- add r4, r4, r8 ; add partial sad values
-
- bne loop
-
- mov r0, r4 ; return sad
- ldmfd sp!, {r4-r12, pc}
-
- ENDP
-
- END
-
diff --git a/third_party/aom/aom_dsp/arm/subpel_variance_media.c b/third_party/aom/aom_dsp/arm/subpel_variance_media.c
deleted file mode 100644
index 46ec028d3..000000000
--- a/third_party/aom/aom_dsp/arm/subpel_variance_media.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include "./aom_config.h"
-#include "./aom_dsp_rtcd.h"
-#include "aom/aom_integer.h"
-#include "aom_ports/mem.h"
-
-#if HAVE_MEDIA
-static const int16_t bilinear_filters_media[8][2] = { { 128, 0 }, { 112, 16 },
- { 96, 32 }, { 80, 48 },
- { 64, 64 }, { 48, 80 },
- { 32, 96 }, { 16, 112 } };
-
-extern void aom_filter_block2d_bil_first_pass_media(
- const uint8_t *src_ptr, uint16_t *dst_ptr, uint32_t src_pitch,
- uint32_t height, uint32_t width, const int16_t *filter);
-
-extern void aom_filter_block2d_bil_second_pass_media(
- const uint16_t *src_ptr, uint8_t *dst_ptr, int32_t src_pitch,
- uint32_t height, uint32_t width, const int16_t *filter);
-
-unsigned int aom_sub_pixel_variance8x8_media(
- const uint8_t *src_ptr, int src_pixels_per_line, int xoffset, int yoffset,
- const uint8_t *dst_ptr, int dst_pixels_per_line, unsigned int *sse) {
- uint16_t first_pass[10 * 8];
- uint8_t second_pass[8 * 8];
- const int16_t *HFilter, *VFilter;
-
- HFilter = bilinear_filters_media[xoffset];
- VFilter = bilinear_filters_media[yoffset];
-
- aom_filter_block2d_bil_first_pass_media(src_ptr, first_pass,
- src_pixels_per_line, 9, 8, HFilter);
- aom_filter_block2d_bil_second_pass_media(first_pass, second_pass, 8, 8, 8,
- VFilter);
-
- return aom_variance8x8_media(second_pass, 8, dst_ptr, dst_pixels_per_line,
- sse);
-}
-
-unsigned int aom_sub_pixel_variance16x16_media(
- const uint8_t *src_ptr, int src_pixels_per_line, int xoffset, int yoffset,
- const uint8_t *dst_ptr, int dst_pixels_per_line, unsigned int *sse) {
- uint16_t first_pass[36 * 16];
- uint8_t second_pass[20 * 16];
- const int16_t *HFilter, *VFilter;
- unsigned int var;
-
- if (xoffset == 4 && yoffset == 0) {
- var = aom_variance_halfpixvar16x16_h_media(
- src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse);
- } else if (xoffset == 0 && yoffset == 4) {
- var = aom_variance_halfpixvar16x16_v_media(
- src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse);
- } else if (xoffset == 4 && yoffset == 4) {
- var = aom_variance_halfpixvar16x16_hv_media(
- src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse);
- } else {
- HFilter = bilinear_filters_media[xoffset];
- VFilter = bilinear_filters_media[yoffset];
-
- aom_filter_block2d_bil_first_pass_media(
- src_ptr, first_pass, src_pixels_per_line, 17, 16, HFilter);
- aom_filter_block2d_bil_second_pass_media(first_pass, second_pass, 16, 16,
- 16, VFilter);
-
- var = aom_variance16x16_media(second_pass, 16, dst_ptr, dst_pixels_per_line,
- sse);
- }
- return var;
-}
-#endif // HAVE_MEDIA
diff --git a/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_h_media.asm b/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_h_media.asm
deleted file mode 100644
index 1e5c9178e..000000000
--- a/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_h_media.asm
+++ /dev/null
@@ -1,185 +0,0 @@
-;
-; Copyright (c) 2016, Alliance for Open Media. All rights reserved
-;
-; This source code is subject to the terms of the BSD 2 Clause License and
-; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
-; was not distributed with this source code in the LICENSE file, you can
-; obtain it at www.aomedia.org/license/software. If the Alliance for Open
-; Media Patent License 1.0 was not distributed with this source code in the
-; PATENTS file, you can obtain it at www.aomedia.org/license/patent.
-;
-
-;
-
-
- EXPORT |aom_variance_halfpixvar16x16_h_media|
-
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-
-; r0 unsigned char *src_ptr
-; r1 int source_stride
-; r2 unsigned char *ref_ptr
-; r3 int recon_stride
-; stack unsigned int *sse
-|aom_variance_halfpixvar16x16_h_media| PROC
-
- stmfd sp!, {r4-r12, lr}
-
- pld [r0, r1, lsl #0]
- pld [r2, r3, lsl #0]
-
- mov r8, #0 ; initialize sum = 0
- ldr r10, c80808080
- mov r11, #0 ; initialize sse = 0
- mov r12, #16 ; set loop counter to 16 (=block height)
- mov lr, #0 ; constant zero
-loop
- ; 1st 4 pixels
- ldr r4, [r0, #0] ; load 4 src pixels
- ldr r6, [r0, #1] ; load 4 src pixels with 1 byte offset
- ldr r5, [r2, #0] ; load 4 ref pixels
-
- ; bilinear interpolation
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
-
- usub8 r6, r4, r5 ; calculate difference
- pld [r0, r1, lsl #1]
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- pld [r2, r3, lsl #1]
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
- ; calculate total sum
- adds r8, r8, r4 ; add positive differences to sum
- subs r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 2nd 4 pixels
- ldr r4, [r0, #4] ; load 4 src pixels
- ldr r6, [r0, #5] ; load 4 src pixels with 1 byte offset
- ldr r5, [r2, #4] ; load 4 ref pixels
-
- ; bilinear interpolation
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
-
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- usub8 r6, r4, r5 ; calculate difference
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 3rd 4 pixels
- ldr r4, [r0, #8] ; load 4 src pixels
- ldr r6, [r0, #9] ; load 4 src pixels with 1 byte offset
- ldr r5, [r2, #8] ; load 4 ref pixels
-
- ; bilinear interpolation
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
-
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- usub8 r6, r4, r5 ; calculate difference
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 4th 4 pixels
- ldr r4, [r0, #12] ; load 4 src pixels
- ldr r6, [r0, #13] ; load 4 src pixels with 1 byte offset
- ldr r5, [r2, #12] ; load 4 ref pixels
-
- ; bilinear interpolation
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
-
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- usub8 r6, r4, r5 ; calculate difference
- add r0, r0, r1 ; set src_ptr to next row
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- add r2, r2, r3 ; set dst_ptr to next row
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- subs r12, r12, #1
-
- bne loop
-
- ; return stuff
- ldr r6, [sp, #40] ; get address of sse
- mul r0, r8, r8 ; sum * sum
- str r11, [r6] ; store sse
- sub r0, r11, r0, lsr #8 ; return (sse - ((sum * sum) >> 8))
-
- ldmfd sp!, {r4-r12, pc}
-
- ENDP
-
-c80808080
- DCD 0x80808080
-
- END
-
diff --git a/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_hv_media.asm b/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_hv_media.asm
deleted file mode 100644
index 9e0af830e..000000000
--- a/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_hv_media.asm
+++ /dev/null
@@ -1,225 +0,0 @@
-;
-; Copyright (c) 2016, Alliance for Open Media. All rights reserved
-;
-; This source code is subject to the terms of the BSD 2 Clause License and
-; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
-; was not distributed with this source code in the LICENSE file, you can
-; obtain it at www.aomedia.org/license/software. If the Alliance for Open
-; Media Patent License 1.0 was not distributed with this source code in the
-; PATENTS file, you can obtain it at www.aomedia.org/license/patent.
-;
-
-;
-
-
- EXPORT |aom_variance_halfpixvar16x16_hv_media|
-
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-
-; r0 unsigned char *src_ptr
-; r1 int source_stride
-; r2 unsigned char *ref_ptr
-; r3 int recon_stride
-; stack unsigned int *sse
-|aom_variance_halfpixvar16x16_hv_media| PROC
-
- stmfd sp!, {r4-r12, lr}
-
- pld [r0, r1, lsl #0]
- pld [r2, r3, lsl #0]
-
- mov r8, #0 ; initialize sum = 0
- ldr r10, c80808080
- mov r11, #0 ; initialize sse = 0
- mov r12, #16 ; set loop counter to 16 (=block height)
- mov lr, #0 ; constant zero
-loop
- add r9, r0, r1 ; pointer to pixels on the next row
- ; 1st 4 pixels
- ldr r4, [r0, #0] ; load source pixels a, row N
- ldr r6, [r0, #1] ; load source pixels b, row N
- ldr r5, [r9, #0] ; load source pixels c, row N+1
- ldr r7, [r9, #1] ; load source pixels d, row N+1
-
- ; x = (a + b + 1) >> 1, interpolate pixels horizontally on row N
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
- ; y = (c + d + 1) >> 1, interpolate pixels horizontally on row N+1
- mvn r7, r7
- uhsub8 r5, r5, r7
- eor r5, r5, r10
- ; z = (x + y + 1) >> 1, interpolate half pixel values vertically
- mvn r5, r5
- uhsub8 r4, r4, r5
- ldr r5, [r2, #0] ; load 4 ref pixels
- eor r4, r4, r10
-
- usub8 r6, r4, r5 ; calculate difference
- pld [r0, r1, lsl #1]
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- pld [r2, r3, lsl #1]
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
- ; calculate total sum
- adds r8, r8, r4 ; add positive differences to sum
- subs r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 2nd 4 pixels
- ldr r4, [r0, #4] ; load source pixels a, row N
- ldr r6, [r0, #5] ; load source pixels b, row N
- ldr r5, [r9, #4] ; load source pixels c, row N+1
-
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- ldr r7, [r9, #5] ; load source pixels d, row N+1
-
- ; x = (a + b + 1) >> 1, interpolate pixels horizontally on row N
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
- ; y = (c + d + 1) >> 1, interpolate pixels horizontally on row N+1
- mvn r7, r7
- uhsub8 r5, r5, r7
- eor r5, r5, r10
- ; z = (x + y + 1) >> 1, interpolate half pixel values vertically
- mvn r5, r5
- uhsub8 r4, r4, r5
- ldr r5, [r2, #4] ; load 4 ref pixels
- eor r4, r4, r10
-
- usub8 r6, r4, r5 ; calculate difference
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 3rd 4 pixels
- ldr r4, [r0, #8] ; load source pixels a, row N
- ldr r6, [r0, #9] ; load source pixels b, row N
- ldr r5, [r9, #8] ; load source pixels c, row N+1
-
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- ldr r7, [r9, #9] ; load source pixels d, row N+1
-
- ; x = (a + b + 1) >> 1, interpolate pixels horizontally on row N
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
- ; y = (c + d + 1) >> 1, interpolate pixels horizontally on row N+1
- mvn r7, r7
- uhsub8 r5, r5, r7
- eor r5, r5, r10
- ; z = (x + y + 1) >> 1, interpolate half pixel values vertically
- mvn r5, r5
- uhsub8 r4, r4, r5
- ldr r5, [r2, #8] ; load 4 ref pixels
- eor r4, r4, r10
-
- usub8 r6, r4, r5 ; calculate difference
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 4th 4 pixels
- ldr r4, [r0, #12] ; load source pixels a, row N
- ldr r6, [r0, #13] ; load source pixels b, row N
- ldr r5, [r9, #12] ; load source pixels c, row N+1
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
- ldr r7, [r9, #13] ; load source pixels d, row N+1
-
- ; x = (a + b + 1) >> 1, interpolate pixels horizontally on row N
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
- ; y = (c + d + 1) >> 1, interpolate pixels horizontally on row N+1
- mvn r7, r7
- uhsub8 r5, r5, r7
- eor r5, r5, r10
- ; z = (x + y + 1) >> 1, interpolate half pixel values vertically
- mvn r5, r5
- uhsub8 r4, r4, r5
- ldr r5, [r2, #12] ; load 4 ref pixels
- eor r4, r4, r10
-
- usub8 r6, r4, r5 ; calculate difference
- add r0, r0, r1 ; set src_ptr to next row
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- add r2, r2, r3 ; set dst_ptr to next row
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
- subs r12, r12, #1
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- bne loop
-
- ; return stuff
- ldr r6, [sp, #40] ; get address of sse
- mul r0, r8, r8 ; sum * sum
- str r11, [r6] ; store sse
- sub r0, r11, r0, lsr #8 ; return (sse - ((sum * sum) >> 8))
-
- ldmfd sp!, {r4-r12, pc}
-
- ENDP
-
-c80808080
- DCD 0x80808080
-
- END
diff --git a/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_v_media.asm b/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_v_media.asm
deleted file mode 100644
index 545b68179..000000000
--- a/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_v_media.asm
+++ /dev/null
@@ -1,187 +0,0 @@
-;
-; Copyright (c) 2016, Alliance for Open Media. All rights reserved
-;
-; This source code is subject to the terms of the BSD 2 Clause License and
-; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
-; was not distributed with this source code in the LICENSE file, you can
-; obtain it at www.aomedia.org/license/software. If the Alliance for Open
-; Media Patent License 1.0 was not distributed with this source code in the
-; PATENTS file, you can obtain it at www.aomedia.org/license/patent.
-;
-
-;
-
-
- EXPORT |aom_variance_halfpixvar16x16_v_media|
-
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-
-; r0 unsigned char *src_ptr
-; r1 int source_stride
-; r2 unsigned char *ref_ptr
-; r3 int recon_stride
-; stack unsigned int *sse
-|aom_variance_halfpixvar16x16_v_media| PROC
-
- stmfd sp!, {r4-r12, lr}
-
- pld [r0, r1, lsl #0]
- pld [r2, r3, lsl #0]
-
- mov r8, #0 ; initialize sum = 0
- ldr r10, c80808080
- mov r11, #0 ; initialize sse = 0
- mov r12, #16 ; set loop counter to 16 (=block height)
- mov lr, #0 ; constant zero
-loop
- add r9, r0, r1 ; set src pointer to next row
- ; 1st 4 pixels
- ldr r4, [r0, #0] ; load 4 src pixels
- ldr r6, [r9, #0] ; load 4 src pixels from next row
- ldr r5, [r2, #0] ; load 4 ref pixels
-
- ; bilinear interpolation
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
-
- usub8 r6, r4, r5 ; calculate difference
- pld [r0, r1, lsl #1]
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- pld [r2, r3, lsl #1]
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
- ; calculate total sum
- adds r8, r8, r4 ; add positive differences to sum
- subs r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 2nd 4 pixels
- ldr r4, [r0, #4] ; load 4 src pixels
- ldr r6, [r9, #4] ; load 4 src pixels from next row
- ldr r5, [r2, #4] ; load 4 ref pixels
-
- ; bilinear interpolation
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
-
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- usub8 r6, r4, r5 ; calculate difference
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 3rd 4 pixels
- ldr r4, [r0, #8] ; load 4 src pixels
- ldr r6, [r9, #8] ; load 4 src pixels from next row
- ldr r5, [r2, #8] ; load 4 ref pixels
-
- ; bilinear interpolation
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
-
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- usub8 r6, r4, r5 ; calculate difference
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 4th 4 pixels
- ldr r4, [r0, #12] ; load 4 src pixels
- ldr r6, [r9, #12] ; load 4 src pixels from next row
- ldr r5, [r2, #12] ; load 4 ref pixels
-
- ; bilinear interpolation
- mvn r6, r6
- uhsub8 r4, r4, r6
- eor r4, r4, r10
-
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
- usub8 r6, r4, r5 ; calculate difference
- add r0, r0, r1 ; set src_ptr to next row
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r6, r5, r4 ; calculate difference with reversed operands
- add r2, r2, r3 ; set dst_ptr to next row
- sel r6, r6, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r7, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
- smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2)
-
-
- subs r12, r12, #1
-
- bne loop
-
- ; return stuff
- ldr r6, [sp, #40] ; get address of sse
- mul r0, r8, r8 ; sum * sum
- str r11, [r6] ; store sse
- sub r0, r11, r0, lsr #8 ; return (sse - ((sum * sum) >> 8))
-
- ldmfd sp!, {r4-r12, pc}
-
- ENDP
-
-c80808080
- DCD 0x80808080
-
- END
-
diff --git a/third_party/aom/aom_dsp/arm/variance_media.asm b/third_party/aom/aom_dsp/arm/variance_media.asm
deleted file mode 100644
index fdc311a81..000000000
--- a/third_party/aom/aom_dsp/arm/variance_media.asm
+++ /dev/null
@@ -1,361 +0,0 @@
-;
-; Copyright (c) 2016, Alliance for Open Media. All rights reserved
-;
-; This source code is subject to the terms of the BSD 2 Clause License and
-; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
-; was not distributed with this source code in the LICENSE file, you can
-; obtain it at www.aomedia.org/license/software. If the Alliance for Open
-; Media Patent License 1.0 was not distributed with this source code in the
-; PATENTS file, you can obtain it at www.aomedia.org/license/patent.
-;
-
-;
-
-
- EXPORT |aom_variance16x16_media|
- EXPORT |aom_variance8x8_media|
- EXPORT |aom_mse16x16_media|
-
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-
-; r0 unsigned char *src_ptr
-; r1 int source_stride
-; r2 unsigned char *ref_ptr
-; r3 int recon_stride
-; stack unsigned int *sse
-|aom_variance16x16_media| PROC
-
- stmfd sp!, {r4-r12, lr}
-
- pld [r0, r1, lsl #0]
- pld [r2, r3, lsl #0]
-
- mov r8, #0 ; initialize sum = 0
- mov r11, #0 ; initialize sse = 0
- mov r12, #16 ; set loop counter to 16 (=block height)
-
-loop16x16
- ; 1st 4 pixels
- ldr r4, [r0, #0] ; load 4 src pixels
- ldr r5, [r2, #0] ; load 4 ref pixels
-
- mov lr, #0 ; constant zero
-
- usub8 r6, r4, r5 ; calculate difference
- pld [r0, r1, lsl #1]
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r9, r5, r4 ; calculate difference with reversed operands
- pld [r2, r3, lsl #1]
- sel r6, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
- ; calculate total sum
- adds r8, r8, r4 ; add positive differences to sum
- subs r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r10, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 2nd 4 pixels
- ldr r4, [r0, #4] ; load 4 src pixels
- ldr r5, [r2, #4] ; load 4 ref pixels
- smlad r11, r10, r10, r11 ; dual signed multiply, add and accumulate (2)
-
- usub8 r6, r4, r5 ; calculate difference
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r9, r5, r4 ; calculate difference with reversed operands
- sel r6, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r10, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 3rd 4 pixels
- ldr r4, [r0, #8] ; load 4 src pixels
- ldr r5, [r2, #8] ; load 4 ref pixels
- smlad r11, r10, r10, r11 ; dual signed multiply, add and accumulate (2)
-
- usub8 r6, r4, r5 ; calculate difference
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r9, r5, r4 ; calculate difference with reversed operands
- sel r6, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r10, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
-
- ; 4th 4 pixels
- ldr r4, [r0, #12] ; load 4 src pixels
- ldr r5, [r2, #12] ; load 4 ref pixels
- smlad r11, r10, r10, r11 ; dual signed multiply, add and accumulate (2)
-
- usub8 r6, r4, r5 ; calculate difference
- add r0, r0, r1 ; set src_ptr to next row
- sel r7, r6, lr ; select bytes with positive difference
- usub8 r9, r5, r4 ; calculate difference with reversed operands
- add r2, r2, r3 ; set dst_ptr to next row
- sel r6, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r4, r7, lr ; calculate sum of positive differences
- usad8 r5, r6, lr ; calculate sum of negative differences
- orr r6, r6, r7 ; differences of all 4 pixels
-
- ; calculate total sum
- add r8, r8, r4 ; add positive differences to sum
- sub r8, r8, r5 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r5, r6 ; byte (two pixels) to halfwords
- uxtb16 r10, r6, ror #8 ; another two pixels to halfwords
- smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1)
- smlad r11, r10, r10, r11 ; dual signed multiply, add and accumulate (2)
-
-
- subs r12, r12, #1
-
- bne loop16x16
-
- ; return stuff
- ldr r6, [sp, #40] ; get address of sse
- mul r0, r8, r8 ; sum * sum
- str r11, [r6] ; store sse
- sub r0, r11, r0, lsr #8 ; return (sse - ((sum * sum) >> 8))
-
- ldmfd sp!, {r4-r12, pc}
-
- ENDP
-
-; r0 unsigned char *src_ptr
-; r1 int source_stride
-; r2 unsigned char *ref_ptr
-; r3 int recon_stride
-; stack unsigned int *sse
-|aom_variance8x8_media| PROC
-
- push {r4-r10, lr}
-
- pld [r0, r1, lsl #0]
- pld [r2, r3, lsl #0]
-
- mov r12, #8 ; set loop counter to 8 (=block height)
- mov r4, #0 ; initialize sum = 0
- mov r5, #0 ; initialize sse = 0
-
-loop8x8
- ; 1st 4 pixels
- ldr r6, [r0, #0x0] ; load 4 src pixels
- ldr r7, [r2, #0x0] ; load 4 ref pixels
-
- mov lr, #0 ; constant zero
-
- usub8 r8, r6, r7 ; calculate difference
- pld [r0, r1, lsl #1]
- sel r10, r8, lr ; select bytes with positive difference
- usub8 r9, r7, r6 ; calculate difference with reversed operands
- pld [r2, r3, lsl #1]
- sel r8, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r6, r10, lr ; calculate sum of positive differences
- usad8 r7, r8, lr ; calculate sum of negative differences
- orr r8, r8, r10 ; differences of all 4 pixels
- ; calculate total sum
- add r4, r4, r6 ; add positive differences to sum
- sub r4, r4, r7 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r7, r8 ; byte (two pixels) to halfwords
- uxtb16 r10, r8, ror #8 ; another two pixels to halfwords
- smlad r5, r7, r7, r5 ; dual signed multiply, add and accumulate (1)
-
- ; 2nd 4 pixels
- ldr r6, [r0, #0x4] ; load 4 src pixels
- ldr r7, [r2, #0x4] ; load 4 ref pixels
- smlad r5, r10, r10, r5 ; dual signed multiply, add and accumulate (2)
-
- usub8 r8, r6, r7 ; calculate difference
- add r0, r0, r1 ; set src_ptr to next row
- sel r10, r8, lr ; select bytes with positive difference
- usub8 r9, r7, r6 ; calculate difference with reversed operands
- add r2, r2, r3 ; set dst_ptr to next row
- sel r8, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r6, r10, lr ; calculate sum of positive differences
- usad8 r7, r8, lr ; calculate sum of negative differences
- orr r8, r8, r10 ; differences of all 4 pixels
-
- ; calculate total sum
- add r4, r4, r6 ; add positive differences to sum
- sub r4, r4, r7 ; subtract negative differences from sum
-
- ; calculate sse
- uxtb16 r7, r8 ; byte (two pixels) to halfwords
- uxtb16 r10, r8, ror #8 ; another two pixels to halfwords
- smlad r5, r7, r7, r5 ; dual signed multiply, add and accumulate (1)
- subs r12, r12, #1 ; next row
- smlad r5, r10, r10, r5 ; dual signed multiply, add and accumulate (2)
-
- bne loop8x8
-
- ; return stuff
- ldr r8, [sp, #32] ; get address of sse
- mul r1, r4, r4 ; sum * sum
- str r5, [r8] ; store sse
- sub r0, r5, r1, ASR #6 ; return (sse - ((sum * sum) >> 6))
-
- pop {r4-r10, pc}
-
- ENDP
-
-; r0 unsigned char *src_ptr
-; r1 int source_stride
-; r2 unsigned char *ref_ptr
-; r3 int recon_stride
-; stack unsigned int *sse
-;
-;note: Based on aom_variance16x16_media. In this function, sum is never used.
-; So, we can remove this part of calculation.
-
-|aom_mse16x16_media| PROC
-
- push {r4-r9, lr}
-
- pld [r0, r1, lsl #0]
- pld [r2, r3, lsl #0]
-
- mov r12, #16 ; set loop counter to 16 (=block height)
- mov r4, #0 ; initialize sse = 0
-
-loopmse
- ; 1st 4 pixels
- ldr r5, [r0, #0x0] ; load 4 src pixels
- ldr r6, [r2, #0x0] ; load 4 ref pixels
-
- mov lr, #0 ; constant zero
-
- usub8 r8, r5, r6 ; calculate difference
- pld [r0, r1, lsl #1]
- sel r7, r8, lr ; select bytes with positive difference
- usub8 r9, r6, r5 ; calculate difference with reversed operands
- pld [r2, r3, lsl #1]
- sel r8, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r5, r7, lr ; calculate sum of positive differences
- usad8 r6, r8, lr ; calculate sum of negative differences
- orr r8, r8, r7 ; differences of all 4 pixels
-
- ldr r5, [r0, #0x4] ; load 4 src pixels
-
- ; calculate sse
- uxtb16 r6, r8 ; byte (two pixels) to halfwords
- uxtb16 r7, r8, ror #8 ; another two pixels to halfwords
- smlad r4, r6, r6, r4 ; dual signed multiply, add and accumulate (1)
-
- ; 2nd 4 pixels
- ldr r6, [r2, #0x4] ; load 4 ref pixels
- smlad r4, r7, r7, r4 ; dual signed multiply, add and accumulate (2)
-
- usub8 r8, r5, r6 ; calculate difference
- sel r7, r8, lr ; select bytes with positive difference
- usub8 r9, r6, r5 ; calculate difference with reversed operands
- sel r8, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r5, r7, lr ; calculate sum of positive differences
- usad8 r6, r8, lr ; calculate sum of negative differences
- orr r8, r8, r7 ; differences of all 4 pixels
- ldr r5, [r0, #0x8] ; load 4 src pixels
- ; calculate sse
- uxtb16 r6, r8 ; byte (two pixels) to halfwords
- uxtb16 r7, r8, ror #8 ; another two pixels to halfwords
- smlad r4, r6, r6, r4 ; dual signed multiply, add and accumulate (1)
-
- ; 3rd 4 pixels
- ldr r6, [r2, #0x8] ; load 4 ref pixels
- smlad r4, r7, r7, r4 ; dual signed multiply, add and accumulate (2)
-
- usub8 r8, r5, r6 ; calculate difference
- sel r7, r8, lr ; select bytes with positive difference
- usub8 r9, r6, r5 ; calculate difference with reversed operands
- sel r8, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r5, r7, lr ; calculate sum of positive differences
- usad8 r6, r8, lr ; calculate sum of negative differences
- orr r8, r8, r7 ; differences of all 4 pixels
-
- ldr r5, [r0, #0xc] ; load 4 src pixels
-
- ; calculate sse
- uxtb16 r6, r8 ; byte (two pixels) to halfwords
- uxtb16 r7, r8, ror #8 ; another two pixels to halfwords
- smlad r4, r6, r6, r4 ; dual signed multiply, add and accumulate (1)
-
- ; 4th 4 pixels
- ldr r6, [r2, #0xc] ; load 4 ref pixels
- smlad r4, r7, r7, r4 ; dual signed multiply, add and accumulate (2)
-
- usub8 r8, r5, r6 ; calculate difference
- add r0, r0, r1 ; set src_ptr to next row
- sel r7, r8, lr ; select bytes with positive difference
- usub8 r9, r6, r5 ; calculate difference with reversed operands
- add r2, r2, r3 ; set dst_ptr to next row
- sel r8, r9, lr ; select bytes with negative difference
-
- ; calculate partial sums
- usad8 r5, r7, lr ; calculate sum of positive differences
- usad8 r6, r8, lr ; calculate sum of negative differences
- orr r8, r8, r7 ; differences of all 4 pixels
-
- subs r12, r12, #1 ; next row
-
- ; calculate sse
- uxtb16 r6, r8 ; byte (two pixels) to halfwords
- uxtb16 r7, r8, ror #8 ; another two pixels to halfwords
- smlad r4, r6, r6, r4 ; dual signed multiply, add and accumulate (1)
- smlad r4, r7, r7, r4 ; dual signed multiply, add and accumulate (2)
-
- bne loopmse
-
- ; return stuff
- ldr r1, [sp, #28] ; get address of sse
- mov r0, r4 ; return sse
- str r4, [r1] ; store sse
-
- pop {r4-r9, pc}
-
- ENDP
-
- END
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