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Side by Side Diff: source/libvpx/vp8/common/arm/neon/sixtappredict4x4_neon.asm

Issue 7671004: Update libvpx snapshot to v0.9.7-p1 (Cayuga). (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/
Patch Set: '' Created 9 years, 4 months ago
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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
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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