12c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* 22c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2004-2010 NXP Software 32c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2010 The Android Open Source Project 42c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 52c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Licensed under the Apache License, Version 2.0 (the "License"); 62c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * you may not use this file except in compliance with the License. 72c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * You may obtain a copy of the License at 82c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 92c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * http://www.apache.org/licenses/LICENSE-2.0 102c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 112c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Unless required by applicable law or agreed to in writing, software 122c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * distributed under the License is distributed on an "AS IS" BASIS, 132c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 142c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * See the License for the specific language governing permissions and 152c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * limitations under the License. 162c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent */ 172c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 182c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 192c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent INCLUDE FILES 202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 222c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "VectorArithmetic.h" 232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "LVM_Macros.h" 242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent FUNCTION MAC3S_16X16 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid Mac3s_Sat_32x16( const LVM_INT32 *src, 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent const LVM_INT16 val, 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 *dst, 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 n) 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 ii; 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 srcval,temp, dInVal, dOutVal; 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = n; ii != 0; ii--) 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent srcval=*src; 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent src++; 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent MUL32x16INTO32(srcval,val,temp,15) 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dInVal = *dst; 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dOutVal = temp + dInVal; 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if ((((dOutVal ^ temp) & (dOutVal ^ dInVal)) >> 31)!=0) /* overflow / underflow */ 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(temp<0) 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dOutVal=0x80000000l; 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dOutVal=0x7FFFFFFFl; 582c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = dOutVal; 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dst++; 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent return; 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 702c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 712c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 72