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; /**
; *
; * File Name: armVCM4P2_Clip8_s.s
; * OpenMAX DL: v1.0.2
; * Revision: 12290
; * Date: Wednesday, April 9, 2008
; *
; * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved.
; *
; *
; *
; * 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
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