ref: 1f770c488cfd5400e6e0092a3e49aef841f6c5de
dir: /codec/encoder/core/x86/dct.asm/
;*! ;* \copy ;* Copyright (c) 2009-2013, Cisco Systems ;* All rights reserved. ;* ;* Redistribution and use in source and binary forms, with or without ;* modification, are permitted provided that the following conditions ;* are met: ;* ;* ?Redistributions of source code must retain the above copyright ;* notice, this list of conditions and the following disclaimer. ;* ;* ?Redistributions in binary form must reproduce the above copyright ;* notice, this list of conditions and the following disclaimer in ;* the documentation and/or other materials provided with the ;* distribution. ;* ;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ;* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ;* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ;* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ;* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, ;* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, ;* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; ;* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER ;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ;* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ;* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ;* POSSIBILITY OF SUCH DAMAGE. ;* ;* ;* dct.asm ;* ;* History ;* 8/4/2009 Created ;* ;* ;*************************************************************************/ %include "asm_inc.asm" SECTION .text ;*********************************************************************** ; SSE2 functions ;*********************************************************************** %macro SSE2_SumSubD 3 movdqa %3, %2 paddd %2, %1 psubd %1, %3 %endmacro %macro SSE2_SumSubDiv2D 4 paddd %1, %2 paddd %1, %3 psrad %1, 1 movdqa %4, %1 psubd %4, %2 %endmacro %macro SSE2_Load4Col 5 movsx r2, WORD[%5] movd %1, r2d movsx r2, WORD[%5 + 0x20] movd %2, r2d punpckldq %1, %2 movsx r2, WORD[%5 + 0x80] movd %3, r2d movsx r2, WORD[%5 + 0xa0] movd %4, r2d punpckldq %3, %4 punpcklqdq %1, %3 %endmacro ;*********************************************************************** ;void WelsHadamardT4Dc_sse2( int16_t *luma_dc, int16_t *pDct) ;*********************************************************************** WELS_EXTERN WelsHadamardT4Dc_sse2 %assign push_num 0 LOAD_2_PARA PUSH_XMM 8 SSE2_Load4Col xmm1, xmm5, xmm6, xmm0, r1 SSE2_Load4Col xmm2, xmm5, xmm6, xmm0, r1 + 0x40 SSE2_Load4Col xmm3, xmm5, xmm6, xmm0, r1 + 0x100 SSE2_Load4Col xmm4, xmm5, xmm6, xmm0, r1 + 0x140 SSE2_SumSubD xmm1, xmm2, xmm7 SSE2_SumSubD xmm3, xmm4, xmm7 SSE2_SumSubD xmm2, xmm4, xmm7 SSE2_SumSubD xmm1, xmm3, xmm7 SSE2_Trans4x4D xmm4, xmm2, xmm1, xmm3, xmm5 ; pOut: xmm4,xmm3,xmm5,xmm1 SSE2_SumSubD xmm4, xmm3, xmm7 SSE2_SumSubD xmm5, xmm1, xmm7 WELS_DD1 xmm6 SSE2_SumSubDiv2D xmm3, xmm1, xmm6, xmm0 ; pOut: xmm3 = (xmm3+xmm1+1)/2, xmm0 = (xmm3-xmm1+1)/2 SSE2_SumSubDiv2D xmm4, xmm5, xmm6, xmm1 ; pOut: xmm4 = (xmm4+xmm5+1)/2, xmm1 = (xmm4-xmm5+1)/2 SSE2_Trans4x4D xmm3, xmm0, xmm1, xmm4, xmm2 ; pOut: xmm3,xmm4,xmm2,xmm1 packssdw xmm3, xmm4 packssdw xmm2, xmm1 movdqa [r0+ 0], xmm3 movdqa [r0+16], xmm2 POP_XMM ret