1a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* ------------------------------------------------------------------ 2a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Copyright (C) 1998-2009 PacketVideo 3a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 4a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * you may not use this file except in compliance with the License. 6a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * You may obtain a copy of the License at 7a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 8a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 10a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Unless required by applicable law or agreed to in writing, software 11a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * express or implied. 14a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * See the License for the specific language governing permissions 15a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * and limitations under the License. 16a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * ------------------------------------------------------------------- 17a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 18a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/**************************************************************************************** 19a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPortions of this file are derived from the following 3GPP standard: 20a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 21a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 3GPP TS 26.073 22a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 23a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Available from http://www.3gpp.org 24a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 25a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 26a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPermission to distribute, modify and use this file under the standard license 27a30d40083856cb4edd225faf8b488fab156e5976Andreas Huberterms listed above has been obtained from the copyright holder. 28a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber****************************************************************************************/ 29a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 30a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 31a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Pathname: ./include/basic_op_arm_gcc_v5.h 32a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 33a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 34a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REVISION HISTORY 35a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 36a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Who: Date: 37a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: 38a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 39a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 40a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INCLUDE DESCRIPTION 41a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 42a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber This file includes all the GCC-ARM V5 basicop.c functions. 43a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 44a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 45a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 46a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 47a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 48a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; CONTINUE ONLY IF NOT ALREADY DEFINED 49a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 50a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#ifndef BASIC_OP_ARM_GCC_V5_H 51a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#define BASIC_OP_ARM_GCC_V5_H 52a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 53a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 54a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; INCLUDES 55a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 56a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "basicop_malloc.h" 57a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 58a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*--------------------------------------------------------------------------*/ 59a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#ifdef __cplusplus 60a30d40083856cb4edd225faf8b488fab156e5976Andreas Huberextern "C" 61a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 62a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#endif 63a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 64a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 65a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 66a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; MACROS 67a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; Define module specific macros here 68a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 69a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 70a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 71a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; DEFINES 72a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; Include all pre-processor statements here. 73a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 74a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 75a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 76a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; EXTERNAL VARIABLES REFERENCES 77a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; Declare variables used in this module but defined elsewhere 78a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 79a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 80a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 81a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; SIMPLE TYPEDEF'S 82a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 83a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 84a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 85a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; ENUMERATED TYPEDEF'S 86a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 87a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 88a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 89a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; STRUCTURES TYPEDEF'S 90a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 91a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 92a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 93a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; GLOBAL FUNCTION DEFINITIONS 94a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; Function Prototype declaration 95a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 96a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 97a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 98a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 99a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* 100a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 101a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION NAME: L_add 102a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 103a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 104a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 105a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs: 106a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var1 = 32 bit long signed integer (Word32) whose value falls 107a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber in the range : 0x8000 0000 <= L_var1 <= 0x7fff ffff. 108a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 109a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var2 = 32 bit long signed integer (Word32) whose value falls 110a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber in the range : 0x8000 0000 <= L_var1 <= 0x7fff ffff. 111a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 112a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow = pointer to overflow (Flag) 113a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 114a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs: 115a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow -> 1 if the 32 bit add operation resulted in overflow 116a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 117a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns: 118a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_sum = 32-bit sum of L_var1 and L_var2 (Word32) 119a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 120a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 121a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber __inline Word32 L_add(register Word32 L_var1, register Word32 L_var2, Flag *pOverflow) 122a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber { 123a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = L_var1; 124a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = L_var2; 125a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 result; 126a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 127a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber OSCL_UNUSED_ARG(pOverflow); 128a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 129a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qadd %0, %1, %2" 130a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 131a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(rb) 132a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 133a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return (result); 134a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 135a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 136a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 137a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* 138a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 139a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION NAME: L_sub 140a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 141a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 142a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 143a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs: 144a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var1 = 32 bit long signed integer (Word32) whose value falls 145a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber in the range : 0x8000 0000 <= L_var1 <= 0x7fff ffff. 146a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 147a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var2 = 32 bit long signed integer (Word32) whose value falls 148a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber in the range : 0x8000 0000 <= L_var1 <= 0x7fff ffff. 149a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 150a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow = pointer to overflow (Flag) 151a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 152a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs: 153a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow -> 1 if the 32 bit add operation resulted in overflow 154a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 155a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns: 156a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_diff = 32-bit difference of L_var1 and L_var2 (Word32) 157a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 158a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber __inline Word32 L_sub(Word32 L_var1, Word32 L_var2, Flag *pOverflow) 159a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 160a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = L_var1; 161a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = L_var2; 162a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 result; 163a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 164a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber OSCL_UNUSED_ARG(pOverflow); 165a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 166a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qsub %0, %1, %2" 167a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 168a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(rb) 169a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 170a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 171a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return (result); 172a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 173a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 174a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 175a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* 176a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 177a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION NAME: L_mac 178a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 179a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 180a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 181a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs: 182a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var3 = 32 bit long signed integer (Word32) whose value falls 183a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber in the range : 0x8000 0000 <= L_var3 <= 0x7fff ffff. 184a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber var1 = 16 bit short signed integer (Word16) whose value falls in 185a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber the range : 0xffff 8000 <= var1 <= 0x0000 7fff. 186a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber var2 = 16 bit short signed integer (Word16) whose value falls in 187a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber the range : 0xffff 8000 <= var2 <= 0x0000 7fff. 188a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 189a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow = pointer to overflow (Flag) 190a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 191a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs: 192a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow -> 1 if the 32 bit add operation resulted in overflow 193a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 194a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns: 195a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber result = 32-bit result of L_var3 + (var1 * var2)(Word32) 196a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 197a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber static inline Word32 L_mac(Word32 L_var3, Word16 var1, Word16 var2, Flag *pOverflow) 198a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 199a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = L_var3; 200a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = var1; 201a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rc = var2; 202a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 result; 203a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 204a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber OSCL_UNUSED_ARG(pOverflow); 205a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 206a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smulbb %0, %1, %2" 207a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 208a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(rb), "r"(rc) 209a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 210a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 211a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qdadd %0, %1, %2" 212a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(rc) 213a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(result) 214a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 215a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 216a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return (rc); 217a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 218a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 219a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* 220a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 221a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION NAME: L_mult 222a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 223a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 224a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 225a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs: 226a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var1 = 16 bit short signed integer (Word16) whose value falls in 227a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber the range : 0xffff 8000 <= var1 <= 0x0000 7fff. 228a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 229a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var2 = 16 bit short signed integer (Word16) whose value falls in 230a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber the range : 0xffff 8000 <= var1 <= 0x0000 7fff. 231a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 232a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow = pointer to overflow (Flag) 233a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 234a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs: 235a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow -> 1 if the 32 bit add operation resulted in overflow 236a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 237a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns: 238a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_product = 32-bit product of L_var1 and L_var2 (Word32) 239a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 240a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 241a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber __inline Word32 L_mult(Word16 var1, Word16 var2, Flag *pOverflow) 242a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 243a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = var1; 244a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = var2; 245a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 result; 246a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 product; 247a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 248a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber OSCL_UNUSED_ARG(pOverflow); 249a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 250a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smulbb %0, %1, %2" 251a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(product) 252a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(rb) 253a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 254a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 255a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qadd %0, %1, %2" 256a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 257a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(product), "r"(product) 258a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 259a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 260a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return(result); 261a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 262a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 263a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* 264a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 265a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION NAME: L_msu 266a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 267a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 268a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 269a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs: 270a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var3 = 32 bit long signed integer (Word32) whose value falls 271a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber in the range : 0x8000 0000 <= L_var3 <= 0x7fff ffff. 272a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 273a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber var1 = 16 bit short signed integer (Word16) whose value falls in 274a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber the range : 0xffff 8000 <= var1 <= 0x0000 7fff. 275a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber var2 = 16 bit short signed integer (Word16) whose value falls in 276a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber the range : 0xffff 8000 <= var2 <= 0x0000 7fff. 277a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 278a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow = pointer to overflow (Flag) 279a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 280a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs: 281a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow -> 1 if the 32 bit operation resulted in overflow 282a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 283a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns: 284a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber result = 32-bit result of L_var3 - (var1 * var2) 285a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 286a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber __inline Word32 L_msu(Word32 L_var3, Word16 var1, Word16 var2, Flag *pOverflow) 287a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 288a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = L_var3; 289a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = var1; 290a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rc = var2; 291a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 product; 292a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 result; 293a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 294a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber OSCL_UNUSED_ARG(pOverflow); 295a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 296a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smulbb %0, %1, %2" 297a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(product) 298a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(rb), "r"(rc) 299a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 300a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 301a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qdsub %0, %1, %2" 302a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 303a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(product) 304a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 305a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 306a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return (result); 307a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 308a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 309a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* 310a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 311a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION NAME: Mpy_32 312a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 313a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 314a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 315a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs: 316a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var1_hi = most significant word of first input (Word16). 317a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var1_lo = least significant word of first input (Word16). 318a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var2_hi = most significant word of second input (Word16). 319a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var2_lo = least significant word of second input (Word16). 320a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 321a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow = pointer to overflow (Flag) 322a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 323a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs: 324a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow -> 1 if the 32 bit multiply operation resulted in overflow 325a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 326a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns: 327a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_product = 32-bit product of L_var1 and L_var2 (Word32) 328a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 329a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber static inline Word32 Mpy_32(Word16 L_var1_hi, 330a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 L_var1_lo, 331a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 L_var2_hi, 332a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 L_var2_lo, 333a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Flag *pOverflow) 334a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 335a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 product32; 336a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 L_sum; 337a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 L_product, result; 338a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = L_var1_hi; 339a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = L_var1_lo; 340a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rc = L_var2_hi; 341a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rd = L_var2_lo; 342a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 343a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 344a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 345a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber OSCL_UNUSED_ARG(pOverflow); 346a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 347a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smulbb %0, %1, %2" 348a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(L_product) 349a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(rc) 350a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 351a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("mov %0, #0" 352a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 353a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 354a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 355a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qdadd %0, %1, %2" 356a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(L_sum) 357a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(result), "r"(L_product) 358a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 359a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 360a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smulbb %0, %1, %2" 361a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(product32) 362a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(rd) 363a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 364a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 365a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("mov %0, %1, ASR #15" 366a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(ra) 367a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(product32) 368a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 369a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qdadd %0, %1, %2" 370a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(L_product) 371a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(L_sum), "r"(ra) 372a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 373a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 374a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smulbb %0, %1, %2" 375a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(product32) 376a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(rb), "r"(rc) 377a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 378a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 379a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("mov %0, %1, ASR #15" 380a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(rb) 381a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(product32) 382a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 383a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 384a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qdadd %0, %1, %2" 385a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(L_sum) 386a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(L_product), "r"(rb) 387a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 388a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 389a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return (L_sum); 390a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 391a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 392a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 393a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 394a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* 395a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 396a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION NAME: Mpy_32_16 397a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 398a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 399a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 400a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs: 401a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var1_hi = most significant 16 bits of 32-bit input (Word16). 402a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_var1_lo = least significant 16 bits of 32-bit input (Word16). 403a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber var2 = 16-bit signed integer (Word16). 404a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 405a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow = pointer to overflow (Flag) 406a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 407a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs: 408a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow -> 1 if the 32 bit product operation resulted in overflow 409a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 410a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns: 411a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber product = 32-bit product of the 32-bit L_var1 and 16-bit var1 (Word32) 412a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 413a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber static inline Word32 Mpy_32_16(Word16 L_var1_hi, 414a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 L_var1_lo, 415a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 var2, 416a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Flag *pOverflow) 417a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 418a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 419a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = L_var1_hi; 420a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = L_var1_lo; 421a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rc = var2; 422a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 result, L_product; 423a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 424a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber OSCL_UNUSED_ARG(pOverflow); 425a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 426a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smulbb %0, %1, %2" 427a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(L_product) 428a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(rc) 429a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 430a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("mov %0, #0" 431a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 432a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 433a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 434a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qdadd %0, %1, %2" 435a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(L_product) 436a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(result), "r"(L_product) 437a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 438a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 439a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smulbb %0, %1, %2" 440a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 441a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(rb), "r"(rc) 442a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 443a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 444a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("mov %0, %1, ASR #15" 445a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(ra) 446a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(result) 447a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 448a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("qdadd %0, %1, %2" 449a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 450a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(L_product), "r"(ra) 451a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 452a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 453a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return (result); 454a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 455a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 456a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* 457a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 458a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION NAME: mult 459a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------ 460a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 461a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 462a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs: 463a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber var1 = 16 bit short signed integer (Word16) whose value falls in 464a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber the range : 0xffff 8000 <= var1 <= 0x0000 7fff. 465a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 466a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber var2 = 16 bit short signed integer (Word16) whose value falls in 467a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber the range : 0xffff 8000 <= var2 <= 0x0000 7fff. 468a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 469a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow = pointer to overflow (Flag) 470a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 471a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs: 472a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pOverflow -> 1 if the add operation resulted in overflow 473a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 474a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns: 475a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber product = 16-bit limited product of var1 and var2 (Word16) 476a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 477a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber __inline Word16 mult(Word16 var1, Word16 var2, Flag *pOverflow) 478a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 479a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = var1; 480a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = var2; 481a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 product; 482a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 temp; 483a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 484a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber OSCL_UNUSED_ARG(pOverflow); 485a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 486a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile( 487a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber "smulbb %0, %1, %2" 488a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(temp) 489a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(rb) 490a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 491a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile( 492a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber "qadd %0, %1, %2\n\t" 493a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber "mov %0, %0, asr #16" 494a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=&r*i"(product) 495a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(temp), "r"(temp) 496a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 497a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 498a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return ((Word16) product); 499a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 500a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 501a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber __inline Word32 amrnb_fxp_mac_16_by_16bb(Word32 L_var1, Word32 L_var2, Word32 L_var3) 502a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 503a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = L_var1; 504a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = L_var2; 505a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rc = L_var3; 506a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 result; 507a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 508a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smlabb %0, %1, %2, %3" 509a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 510a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(rb), "r"(rc) 511a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 512a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return (result); 513a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 514a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 515a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber __inline Word32 amrnb_fxp_msu_16_by_16bb(Word32 L_var1, Word32 L_var2, Word32 L_var3) 516a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 517a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 ra = L_var1; 518a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rb = L_var2; 519a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber register Word32 rc = L_var3; 520a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word32 result; 521a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 522a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("rsb %0, %1, #0" 523a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(ra) 524a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra) 525a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 526a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 527a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber asm volatile("smlabb %0, %1, %2, %3" 528a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "=r"(result) 529a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber : "r"(ra), "r"(rb), "r"(rc) 530a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 531a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return (result); 532a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 533a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 534a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 535a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; END 536a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 537a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#ifdef __cplusplus 538a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} 539a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#endif 540a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 541a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#endif /* BASIC_OP_ARM_GCC_V5_H */ 542a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 543a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 544