1 /* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
18 /****************************************************************************************
19 Portions of this file are derived from the following 3GPP standard:
22 ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
23 Available from http://www.3gpp.org
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 ****************************************************************************************/
30 Pathname: ./gsm-amr/c/include/norm_l.h
32 ------------------------------------------------------------------------------
35 Description: Created separate header file for norm_l function.
37 Description: Updated template to make it build in Symbian. Updated copyright
40 Description: Moved _cplusplus #ifdef after Include section.
42 Description: Support for ARM and Linux-ARM assembly.
47 ------------------------------------------------------------------------------
50 This file contains all the constant definitions and prototype definitions
51 needed by the norm_l function.
53 ------------------------------------------------------------------------------
56 /*----------------------------------------------------------------------------
57 ; CONTINUE ONLY IF NOT ALREADY DEFINED
58 ----------------------------------------------------------------------------*/
62 /*----------------------------------------------------------------------------
64 ----------------------------------------------------------------------------*/
65 #include "basicop_malloc.h"
67 /*--------------------------------------------------------------------------*/
73 /*----------------------------------------------------------------------------
75 ; Define module specific macros here
76 ----------------------------------------------------------------------------*/
78 /*----------------------------------------------------------------------------
80 ; Include all pre-processor statements here.
81 ----------------------------------------------------------------------------*/
83 /*----------------------------------------------------------------------------
84 ; EXTERNAL VARIABLES REFERENCES
85 ; Declare variables used in this module but defined elsewhere
86 ----------------------------------------------------------------------------*/
88 /*----------------------------------------------------------------------------
90 ----------------------------------------------------------------------------*/
92 /*----------------------------------------------------------------------------
93 ; ENUMERATED TYPEDEF'S
94 ----------------------------------------------------------------------------*/
96 /*----------------------------------------------------------------------------
97 ; STRUCTURES TYPEDEF'S
98 ----------------------------------------------------------------------------*/
100 /*----------------------------------------------------------------------------
101 ; GLOBAL FUNCTION DEFINITIONS
102 ; Function Prototype declaration
103 ----------------------------------------------------------------------------*/
104 #if !( defined(PV_ARM_V5) || defined(PV_ARM_GCC_V5) )
107 Word16 norm_l(Word32 L_var1);
109 #elif defined(PV_ARM_V5)
111 __inline Word16 norm_l(Word32 L_var1)
113 register Word32 var_out = 0;
118 EORNE L_var1, L_var1, L_var1, LSL #1
119 CLZNE var_out, L_var1
122 return ((Word16)var_out);
125 #elif defined(PV_ARM_GCC_V5)
127 static inline Word16 norm_l(Word32 L_var1)
129 register Word32 var_out = 0;
130 register Word32 ra = L_var1;
144 /*----------------------------------------------------------------------------
146 ----------------------------------------------------------------------------*/