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| 1 ; | 1 ; | 
| 2 ;  Copyright (c) 2010 The WebM project authors. All Rights Reserved. | 2 ;  Copyright (c) 2010 The WebM project authors. All Rights Reserved. | 
| 3 ; | 3 ; | 
| 4 ;  Use of this source code is governed by a BSD-style license | 4 ;  Use of this source code is governed by a BSD-style license | 
| 5 ;  that can be found in the LICENSE file in the root of the source | 5 ;  that can be found in the LICENSE file in the root of the source | 
| 6 ;  tree. An additional intellectual property rights grant can be found | 6 ;  tree. An additional intellectual property rights grant can be found | 
| 7 ;  in the file PATENTS.  All contributing project authors may | 7 ;  in the file PATENTS.  All contributing project authors may | 
| 8 ;  be found in the AUTHORS file in the root of the source tree. | 8 ;  be found in the AUTHORS file in the root of the source tree. | 
| 9 ; | 9 ; | 
| 10 | 10 | 
| 11 | 11 | 
| 12     EXPORT  |vp8_sixtap_predict_neon| | 12     EXPORT  |vp8_sixtap_predict_neon| | 
| 13     ARM | 13     ARM | 
| 14     REQUIRE8 | 14     REQUIRE8 | 
| 15     PRESERVE8 | 15     PRESERVE8 | 
| 16 | 16 | 
| 17     AREA ||.text||, CODE, READONLY, ALIGN=2 | 17     AREA ||.text||, CODE, READONLY, ALIGN=2 | 
|  | 18 | 
|  | 19 filter4_coeff | 
|  | 20     DCD     0,  0,  128,    0,   0,  0,   0,  0 | 
|  | 21     DCD     0, -6,  123,   12,  -1,  0,   0,  0 | 
|  | 22     DCD     2, -11, 108,   36,  -8,  1,   0,  0 | 
|  | 23     DCD     0, -9,   93,   50,  -6,  0,   0,  0 | 
|  | 24     DCD     3, -16,  77,   77, -16,  3,   0,  0 | 
|  | 25     DCD     0, -6,   50,   93,  -9,  0,   0,  0 | 
|  | 26     DCD     1, -8,   36,  108, -11,  2,   0,  0 | 
|  | 27     DCD     0, -1,   12,  123,  -6,   0,  0,  0 | 
|  | 28 | 
| 18 ; r0    unsigned char  *src_ptr, | 29 ; r0    unsigned char  *src_ptr, | 
| 19 ; r1    int  src_pixels_per_line, | 30 ; r1    int  src_pixels_per_line, | 
| 20 ; r2    int  xoffset, | 31 ; r2    int  xoffset, | 
| 21 ; r3    int  yoffset, | 32 ; r3    int  yoffset, | 
| 22 ; stack(r4) unsigned char *dst_ptr, | 33 ; stack(r4) unsigned char *dst_ptr, | 
| 23 ; stack(lr) int  dst_pitch | 34 ; stack(lr) int  dst_pitch | 
| 24 | 35 | 
| 25 |vp8_sixtap_predict_neon| PROC | 36 |vp8_sixtap_predict_neon| PROC | 
| 26     push            {r4, lr} | 37     push            {r4, lr} | 
| 27 | 38 | 
| 28     ldr             r12, _filter4_coeff_ | 39     adr             r12, filter4_coeff | 
| 29     ldr             r4, [sp, #8]            ;load parameters from stack | 40     ldr             r4, [sp, #8]            ;load parameters from stack | 
| 30     ldr             lr, [sp, #12]           ;load parameters from stack | 41     ldr             lr, [sp, #12]           ;load parameters from stack | 
| 31 | 42 | 
| 32     cmp             r2, #0                  ;skip first_pass filter if xoffset=0 | 43     cmp             r2, #0                  ;skip first_pass filter if xoffset=0 | 
| 33     beq             secondpass_filter4x4_only | 44     beq             secondpass_filter4x4_only | 
| 34 | 45 | 
| 35     add             r2, r12, r2, lsl #5     ;calculate filter location | 46     add             r2, r12, r2, lsl #5     ;calculate filter location | 
| 36 | 47 | 
| 37     cmp             r3, #0                  ;skip second_pass filter if yoffset=
     0 | 48     cmp             r3, #0                  ;skip second_pass filter if yoffset=
     0 | 
| 38     vld1.s32        {q14, q15}, [r2]        ;load first_pass filter | 49     vld1.s32        {q14, q15}, [r2]        ;load first_pass filter | 
| (...skipping 362 matching lines...) Expand 10 before | Expand all | Expand 10 after  Loading... | 
| 401     vst1.32         {d3[1]}, [r0] | 412     vst1.32         {d3[1]}, [r0] | 
| 402     vst1.32         {d4[0]}, [r1] | 413     vst1.32         {d4[0]}, [r1] | 
| 403     vst1.32         {d4[1]}, [r2] | 414     vst1.32         {d4[1]}, [r2] | 
| 404 | 415 | 
| 405     pop             {r4, pc} | 416     pop             {r4, pc} | 
| 406 | 417 | 
| 407     ENDP | 418     ENDP | 
| 408 | 419 | 
| 409 ;----------------- | 420 ;----------------- | 
| 410 | 421 | 
| 411 _filter4_coeff_ |  | 
| 412     DCD     filter4_coeff |  | 
| 413 filter4_coeff |  | 
| 414     DCD     0,  0,  128,    0,   0,  0,   0,  0 |  | 
| 415     DCD     0, -6,  123,   12,  -1,  0,   0,  0 |  | 
| 416     DCD     2, -11, 108,   36,  -8,  1,   0,  0 |  | 
| 417     DCD     0, -9,   93,   50,  -6,  0,   0,  0 |  | 
| 418     DCD     3, -16,  77,   77, -16,  3,   0,  0 |  | 
| 419     DCD     0, -6,   50,   93,  -9,  0,   0,  0 |  | 
| 420     DCD     1, -8,   36,  108, -11,  2,   0,  0 |  | 
| 421     DCD     0, -1,   12,  123,  -6,   0,  0,  0 |  | 
| 422 |  | 
| 423     END | 422     END | 
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