1 /* ------------------------------------------------------------------
2 * Copyright (C) 1998-2010 PacketVideo
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13 * express or implied.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
17 */
18 /****************************************************************************************
19 Portions of this file are derived from the following 3GPP standard:
20
21 3GPP TS 26.073
22 ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
23 Available from http://www.3gpp.org
24
25 (C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
26 Permission to distribute, modify and use this file under the standard license
27 terms listed above has been obtained from the copyright holder.
28 ****************************************************************************************/
Java_GdaJColumnInfos_initIDs(JNIEnv * env,jclass klass)29 /*
30
31 Filename: l_sub.h
32
33 ------------------------------------------------------------------------------
34 INCLUDE DESCRIPTION
35
36 This file contains all the constant definitions and prototype definitions
37 needed by the L_sub function.
38
39 ------------------------------------------------------------------------------
40 */
41
42 /*----------------------------------------------------------------------------
43 ; CONTINUE ONLY IF NOT ALREADY DEFINED
44 ----------------------------------------------------------------------------*/
45 #ifndef L_SUB_H
46 #define L_SUB_H
47
48
49 /*----------------------------------------------------------------------------
50 ; INCLUDES
51 ----------------------------------------------------------------------------*/
52 #include "basicop_malloc.h"
53
54
55 /*--------------------------------------------------------------------------*/
56 #ifdef __cplusplus
57 extern "C"
58 {
59 #endif
60
61 /*----------------------------------------------------------------------------
62 ; MACROS
63 ; Define module specific macros here
64 ----------------------------------------------------------------------------*/
65
66 /*----------------------------------------------------------------------------
67 ; DEFINES
68 ; Include all pre-processor statements here.
69 ----------------------------------------------------------------------------*/
70
71 /*----------------------------------------------------------------------------
72 ; EXTERNAL VARIABLES REFERENCES
73 ; Declare variables used in this module but defined elsewhere
74 ----------------------------------------------------------------------------*/
75
76 /*----------------------------------------------------------------------------
77 ; SIMPLE TYPEDEF'S
78 ----------------------------------------------------------------------------*/
79
80 /*----------------------------------------------------------------------------
81 ; ENUMERATED TYPEDEF'S
82 ----------------------------------------------------------------------------*/
83
84 /*----------------------------------------------------------------------------
85 ; STRUCTURES TYPEDEF'S
86 ----------------------------------------------------------------------------*/
87
88 /*----------------------------------------------------------------------------
89 ; GLOBAL FUNCTION DEFINITIONS
90 ; Function Prototype declaration
91 ----------------------------------------------------------------------------*/
92 #if ((PV_CPU_ARCH_VERSION >=5) && (PV_COMPILER == EPV_ARM_GNUC)) /* Instructions for ARM-linux cross-compiler*/
93
94 __inline Word32 L_sub(Word32 L_var1, Word32 L_var2, Flag *pOverflow)
95 {
96 register Word32 ra = L_var1;
97 register Word32 rb = L_var2;
98 Word32 result;
99
100 OSCL_UNUSED_ARG(pOverflow);
101
102 asm volatile("qsub %0, %1, %2"
103 : "=r"(result)
104 : "r"(ra), "r"(rb)
105 );
106
107 return (result);
108 }
109
110 #else /* C EQUIVALENT */
111
112 static inline Word32 L_sub(register Word32 L_var1, register Word32 L_var2,
113 register Flag *pOverflow)
114 {
115 Word32 L_diff;
116
117 L_diff = L_var1 - L_var2;
118
119 if ((L_var1 ^ L_var2) < 0)
120 {
121 if ((L_diff ^ L_var1) & MIN_32)
122 {
123 L_diff = (L_var1 < 0L) ? MIN_32 : MAX_32;
124 *pOverflow = 1;
125 }
126 }
127
128 return (L_diff);
129 }
130
131 #endif
132 /*----------------------------------------------------------------------------
133 ; END
134 ----------------------------------------------------------------------------*/
135 #ifdef __cplusplus
136 }
137 #endif
138
139 #endif /* _L_SUB_H_ */
140
141
142