| ;// |
| ;// Copyright (C) 2007-2008 ARM Limited |
| ;// |
| ;// Licensed under the Apache License, Version 2.0 (the "License"); |
| ;// you may not use this file except in compliance with the License. |
| ;// You may obtain a copy of the License at |
| ;// |
| ;// http://www.apache.org/licenses/LICENSE-2.0 |
| ;// |
| ;// Unless required by applicable law or agreed to in writing, software |
| ;// distributed under the License is distributed on an "AS IS" BASIS, |
| ;// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ;// See the License for the specific language governing permissions and |
| ;// limitations under the License. |
| ;// |
| ; /** |
| ; * |
| ; * File Name: armVCM4P2_Clip8_s.s |
| ; * OpenMAX DL: v1.0.2 |
| ; * Revision: 12290 |
| ; * Date: Wednesday, April 9, 2008 |
| ; * |
| ; * |
| ; * |
| ; * |
| ; * Description: |
| ; * Contains module for Clipping 16 bit value to [0,255] Range |
| ; */ |
| |
| INCLUDE omxtypes_s.h |
| INCLUDE armCOMM_s.h |
| |
| |
| M_VARIANTS CortexA8 |
| |
| IF CortexA8 |
| ;//Input Arguments |
| |
| pSrc RN 0 |
| pDst RN 1 |
| step RN 2 |
| |
| ;// Neon Registers |
| |
| qx0 QN Q0.S16 |
| dx00 DN D0.S16 |
| dx01 DN D1.S16 |
| qx1 QN Q1.S16 |
| dx10 DN D2.S16 |
| dx11 DN D3.S16 |
| |
| qx2 QN Q2.S16 |
| dx20 DN D4.S16 |
| dx21 DN D5.S16 |
| qx3 QN Q3.S16 |
| dx30 DN D6.S16 |
| dx31 DN D7.S16 |
| |
| |
| dclip0 DN D0.U8 |
| dclip1 DN D2.U8 |
| dclip2 DN D4.U8 |
| dclip3 DN D6.U8 |
| |
| M_START armVCM4P2_Clip8 |
| |
| VLD1 {dx00,dx01,dx10,dx11},[pSrc]! ;// Load 16 entries from pSrc |
| VLD1 {dx20,dx21,dx30,dx31},[pSrc]! ;// Load next 16 entries from pSrc |
| VQSHRUN dclip0,qx0,#0 ;// dclip0[i]=clip qx0[i] to [0,255] |
| VQSHRUN dclip1,qx1,#0 ;// dclip1[i]=clip qx1[i] to [0,255] |
| VST1 {dclip0},[pDst],step ;// store 8 bytes and pDst=pDst+step |
| VST1 {dclip1},[pDst],step ;// store 8 bytes and pDst=pDst+step |
| VQSHRUN dclip2,qx2,#0 |
| VQSHRUN dclip3,qx3,#0 |
| VST1 {dclip2},[pDst],step |
| VST1 {dclip3},[pDst],step |
| |
| VLD1 {dx00,dx01,dx10,dx11},[pSrc]! ;// Load 16 entries from pSrc |
| VLD1 {dx20,dx21,dx30,dx31},[pSrc]! ;// Load next 16 entries from pSrc |
| VQSHRUN dclip0,qx0,#0 ;// dclip0[i]=clip qx0[i] to [0,255] |
| VQSHRUN dclip1,qx1,#0 ;// dclip1[i]=clip qx1[i] to [0,255] |
| VST1 {dclip0},[pDst],step ;// store 8 bytes and pDst=pDst+step |
| VST1 {dclip1},[pDst],step ;// store 8 bytes and pDst=pDst+step |
| VQSHRUN dclip2,qx2,#0 |
| VQSHRUN dclip3,qx3,#0 |
| VST1 {dclip2},[pDst],step |
| VST1 {dclip3},[pDst],step |
| |
| |
| |
| M_END |
| ENDIF |
| |
| |
| |
| END |
