yading@11: ;******************************************************************************
yading@11: ;* x86 utility macros for libavresample
yading@11: ;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
yading@11: ;*
yading@11: ;* This file is part of Libav.
yading@11: ;*
yading@11: ;* Libav is free software; you can redistribute it and/or
yading@11: ;* modify it under the terms of the GNU Lesser General Public
yading@11: ;* License as published by the Free Software Foundation; either
yading@11: ;* version 2.1 of the License, or (at your option) any later version.
yading@11: ;*
yading@11: ;* Libav is distributed in the hope that it will be useful,
yading@11: ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11: ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11: ;* Lesser General Public License for more details.
yading@11: ;*
yading@11: ;* You should have received a copy of the GNU Lesser General Public
yading@11: ;* License along with Libav; if not, write to the Free Software
yading@11: ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11: ;******************************************************************************
yading@11: 
yading@11: %macro S16_TO_S32_SX 2 ; src/low dst, high dst
yading@11: %if cpuflag(sse4)
yading@11:     pmovsxwd     m%2, m%1
yading@11:     psrldq       m%1, 8
yading@11:     pmovsxwd     m%1, m%1
yading@11:     SWAP %1, %2
yading@11: %else
yading@11:     mova         m%2, m%1
yading@11:     punpckhwd    m%2, m%2
yading@11:     punpcklwd    m%1, m%1
yading@11:     psrad        m%2, 16
yading@11:     psrad        m%1, 16
yading@11: %endif
yading@11: %endmacro
yading@11: 
yading@11: %macro DEINT2_PS 3 ; src0/even dst, src1/odd dst, temp
yading@11:     shufps  m%3, m%1, m%2, q3131
yading@11:     shufps       m%1, m%2, q2020
yading@11:     SWAP %2,%3
yading@11: %endmacro