Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(31)

Side by Side Diff: webrtc/common_audio/signal_processing/include/spl_inl_armv7.h

Issue 2739143002: Revert of Enable cpplint and fix cpplint errors in webrtc/*audio (Closed)
Patch Set: Created 3 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 /* 1 /*
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2012 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 11
12 /* This header file includes the inline functions for ARM processors in 12 /* This header file includes the inline functions for ARM processors in
13 * the fix point signal processing library. 13 * the fix point signal processing library.
14 */ 14 */
15 15
16 #ifndef WEBRTC_COMMON_AUDIO_SIGNAL_PROCESSING_INCLUDE_SPL_INL_ARMV7_H_ 16 #ifndef WEBRTC_SPL_SPL_INL_ARMV7_H_
17 #define WEBRTC_COMMON_AUDIO_SIGNAL_PROCESSING_INCLUDE_SPL_INL_ARMV7_H_ 17 #define WEBRTC_SPL_SPL_INL_ARMV7_H_
18 18
19 /* TODO(kma): Replace some assembly code with GCC intrinsics 19 /* TODO(kma): Replace some assembly code with GCC intrinsics
20 * (e.g. __builtin_clz). 20 * (e.g. __builtin_clz).
21 */ 21 */
22 22
23 /* This function produces result that is not bit exact with that by the generic 23 /* This function produces result that is not bit exact with that by the generic
24 * C version in some cases, although the former is at least as accurate as the 24 * C version in some cases, although the former is at least as accurate as the
25 * later. 25 * later.
26 */ 26 */
27 static __inline int32_t WEBRTC_SPL_MUL_16_32_RSFT16(int16_t a, int32_t b) { 27 static __inline int32_t WEBRTC_SPL_MUL_16_32_RSFT16(int16_t a, int32_t b) {
(...skipping 53 matching lines...) Expand 10 before | Expand all | Expand 10 after
81 __asm __volatile ("clz %0, %1":"=r"(tmp):"r"(n)); 81 __asm __volatile ("clz %0, %1":"=r"(tmp):"r"(n));
82 82
83 return (int16_t)(32 - tmp); 83 return (int16_t)(32 - tmp);
84 } 84 }
85 85
86 static __inline int16_t WebRtcSpl_NormW32(int32_t a) { 86 static __inline int16_t WebRtcSpl_NormW32(int32_t a) {
87 int32_t tmp = 0; 87 int32_t tmp = 0;
88 88
89 if (a == 0) { 89 if (a == 0) {
90 return 0; 90 return 0;
91 } else if (a < 0) { 91 }
92 else if (a < 0) {
92 a ^= 0xFFFFFFFF; 93 a ^= 0xFFFFFFFF;
93 } 94 }
94 95
95 __asm __volatile ("clz %0, %1":"=r"(tmp):"r"(a)); 96 __asm __volatile ("clz %0, %1":"=r"(tmp):"r"(a));
96 97
97 return (int16_t)(tmp - 1); 98 return (int16_t)(tmp - 1);
98 } 99 }
99 100
100 static __inline int16_t WebRtcSpl_NormU32(uint32_t a) { 101 static __inline int16_t WebRtcSpl_NormU32(uint32_t a) {
101 int tmp = 0; 102 int tmp = 0;
102 103
103 if (a == 0) return 0; 104 if (a == 0) return 0;
104 105
105 __asm __volatile ("clz %0, %1":"=r"(tmp):"r"(a)); 106 __asm __volatile ("clz %0, %1":"=r"(tmp):"r"(a));
106 107
107 return (int16_t)tmp; 108 return (int16_t)tmp;
108 } 109 }
109 110
110 static __inline int16_t WebRtcSpl_NormW16(int16_t a) { 111 static __inline int16_t WebRtcSpl_NormW16(int16_t a) {
111 int32_t tmp = 0; 112 int32_t tmp = 0;
112 int32_t a_32 = a; 113 int32_t a_32 = a;
113 114
114 if (a_32 == 0) { 115 if (a_32 == 0) {
115 return 0; 116 return 0;
116 } else if (a_32 < 0) { 117 }
118 else if (a_32 < 0) {
117 a_32 ^= 0xFFFFFFFF; 119 a_32 ^= 0xFFFFFFFF;
118 } 120 }
119 121
120 __asm __volatile ("clz %0, %1":"=r"(tmp):"r"(a_32)); 122 __asm __volatile ("clz %0, %1":"=r"(tmp):"r"(a_32));
121 123
122 return (int16_t)(tmp - 17); 124 return (int16_t)(tmp - 17);
123 } 125 }
124 126
125 // TODO(kma): add unit test. 127 // TODO(kma): add unit test.
126 static __inline int16_t WebRtcSpl_SatW32ToW16(int32_t value32) { 128 static __inline int16_t WebRtcSpl_SatW32ToW16(int32_t value32) {
127 int32_t out = 0; 129 int32_t out = 0;
128 130
129 __asm __volatile ("ssat %0, #16, %1" : "=r"(out) : "r"(value32)); 131 __asm __volatile ("ssat %0, #16, %1" : "=r"(out) : "r"(value32));
130 132
131 return (int16_t)out; 133 return (int16_t)out;
132 } 134 }
133 135
134 #endif // WEBRTC_COMMON_AUDIO_SIGNAL_PROCESSING_INCLUDE_SPL_INL_ARMV7_H_ 136 #endif // WEBRTC_SPL_SPL_INL_ARMV7_H_
OLDNEW
« no previous file with comments | « webrtc/common_audio/signal_processing/include/spl_inl.h ('k') | webrtc/common_audio/signal_processing/include/spl_inl_mips.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698