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Side by Side Diff: webrtc/modules/audio_coding/codecs/isac/fix/source/lattice_armv7.S

Issue 1413333002: system_wrappers: rename interface -> include (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Rebased again! Created 5 years, 1 month ago
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1 @ 1 @
2 @ Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 2 @ Copyright (c) 2011 The WebRTC 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 @ Contains a function for the core loop in the normalized lattice AR 11 @ Contains a function for the core loop in the normalized lattice AR
12 @ filter routine for iSAC codec, optimized for ARMv7 platforms. 12 @ filter routine for iSAC codec, optimized for ARMv7 platforms.
13 @ 13 @
14 @ Output is bit-exact with the reference C code in lattic_c.c 14 @ Output is bit-exact with the reference C code in lattic_c.c
15 @ 15 @
16 @ Register usage: 16 @ Register usage:
17 @ 17 @
18 @ r0: &ar_g_Q0 18 @ r0: &ar_g_Q0
19 @ r1: &ar_f_Q0 19 @ r1: &ar_f_Q0
20 @ r2: &cth_Q15 20 @ r2: &cth_Q15
21 @ r3: &sth_Q15 21 @ r3: &sth_Q15
22 @ r4: out loop counter 22 @ r4: out loop counter
23 @ r5: tmpAR 23 @ r5: tmpAR
24 @ r9: inner loop counter 24 @ r9: inner loop counter
25 @ r12: constant #16384 25 @ r12: constant #16384
26 @ r6, r7, r8, r10, r11: scratch 26 @ r6, r7, r8, r10, r11: scratch
27 27
28 #include "webrtc/system_wrappers/interface/asm_defines.h" 28 #include "webrtc/system_wrappers/include/asm_defines.h"
29 #include "settings.h" 29 #include "settings.h"
30 30
31 GLOBAL_FUNCTION WebRtcIsacfix_FilterArLoop 31 GLOBAL_FUNCTION WebRtcIsacfix_FilterArLoop
32 .align 2 32 .align 2
33 DEFINE_FUNCTION WebRtcIsacfix_FilterArLoop 33 DEFINE_FUNCTION WebRtcIsacfix_FilterArLoop
34 push {r4-r11} 34 push {r4-r11}
35 35
36 add r1, #2 @ &ar_f_Q0[1] 36 add r1, #2 @ &ar_f_Q0[1]
37 mov r12, #16384 37 mov r12, #16384
38 mov r4, #HALF_SUBFRAMELEN 38 mov r4, #HALF_SUBFRAMELEN
(...skipping 29 matching lines...) Expand all
68 bgt ORDER_COEF_LOOP 68 bgt ORDER_COEF_LOOP
69 69
70 strh r5, [r0] @ Output: ar_g_Q0[0] = tmpAR; 70 strh r5, [r0] @ Output: ar_g_Q0[0] = tmpAR;
71 strh r5, [r1], #2 @ Output: ar_f_Q0[n+1] = tmpAR; 71 strh r5, [r1], #2 @ Output: ar_f_Q0[n+1] = tmpAR;
72 72
73 subs r4, #1 73 subs r4, #1
74 bne HALF_SUBFRAME_LOOP 74 bne HALF_SUBFRAME_LOOP
75 75
76 pop {r4-r11} 76 pop {r4-r11}
77 bx lr 77 bx lr
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