diff options
Diffstat (limited to 'third_party/aom/aom_dsp/arm/sad_media.asm')
| -rw-r--r-- | third_party/aom/aom_dsp/arm/sad_media.asm | 98 |
1 files changed, 0 insertions, 98 deletions
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 - |