ref: 3958118bf03c92aa547dbe3c77c5557ed4ad944b
dir: /codec/decoder/core/asm/asm_inc.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:
;*
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;* 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
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;*
;* 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,
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;* 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.
;*
;*
;* sse2inc.asm
;*
;* Abstract
;* macro and constant
;*
;* History
;* 8/5/2009 Created
;*
;*
;*************************************************************************/
;***********************************************************************
; Options, for DEBUG
;***********************************************************************
%if 1
%define MOVDQ movdqa
%else
%define MOVDQ movdqu
%endif
%if 1
%define WELSEMMS emms
%else
%define WELSEMMS
%endif
BITS 32
;***********************************************************************
; Macros
;***********************************************************************
%macro WELS_EXTERN 1
%ifdef PREFIX
global _%1
%define %1 _%1
%else
global %1
%endif
%endmacro
%macro WELS_AbsW 2
pxor %2, %2
psubw %2, %1
pmaxsw %1, %2
%endmacro
%macro MMX_XSwap 4
movq %4, %2
punpckh%1 %4, %3
punpckl%1 %2, %3
%endmacro
; pOut mm1, mm4, mm5, mm3
%macro MMX_Trans4x4W 5
MMX_XSwap wd, %1, %2, %5
MMX_XSwap wd, %3, %4, %2
MMX_XSwap dq, %1, %3, %4
MMX_XSwap dq, %5, %2, %3
%endmacro
;for TRANSPOSE
%macro SSE2_XSawp 4
movdqa %4, %2
punpckl%1 %2, %3
punpckh%1 %4, %3
%endmacro
; in: xmm1, xmm2, xmm3, xmm4 pOut: xmm1, xmm4, xmm5, mm3
%macro SSE2_Trans4x4D 5
SSE2_XSawp dq, %1, %2, %5
SSE2_XSawp dq, %3, %4, %2
SSE2_XSawp qdq, %1, %3, %4
SSE2_XSawp qdq, %5, %2, %3
%endmacro
;in: xmm0, xmm1, xmm2, xmm3 pOut: xmm0, xmm1, xmm3, xmm4
%macro SSE2_TransTwo4x4W 5
SSE2_XSawp wd, %1, %2, %5
SSE2_XSawp wd, %3, %4, %2
SSE2_XSawp dq, %1, %3, %4
SSE2_XSawp dq, %5, %2, %3
SSE2_XSawp qdq, %1, %5, %2
SSE2_XSawp qdq, %4, %3, %5
%endmacro
;in: m1, m2, m3, m4, m5, m6, m7, m8
;pOut: m5, m3, m4, m8, m6, m2, m7, m1
%macro SSE2_TransTwo8x8B 9
movdqa %9, %8
SSE2_XSawp bw, %1, %2, %8
SSE2_XSawp bw, %3, %4, %2
SSE2_XSawp bw, %5, %6, %4
movdqa %6, %9
movdqa %9, %4
SSE2_XSawp bw, %7, %6, %4
SSE2_XSawp wd, %1, %3, %6
SSE2_XSawp wd, %8, %2, %3
SSE2_XSawp wd, %5, %7, %2
movdqa %7, %9
movdqa %9, %3
SSE2_XSawp wd, %7, %4, %3
SSE2_XSawp dq, %1, %5, %4
SSE2_XSawp dq, %6, %2, %5
SSE2_XSawp dq, %8, %7, %2
movdqa %7, %9
movdqa %9, %5
SSE2_XSawp dq, %7, %3, %5
SSE2_XSawp qdq, %1, %8, %3
SSE2_XSawp qdq, %4, %2, %8
SSE2_XSawp qdq, %6, %7, %2
movdqa %7, %9
movdqa %9, %1
SSE2_XSawp qdq, %7, %5, %1
movdqa %5, %9
%endmacro
;xmm0, xmm6, xmm7, [eax], [ecx]
;xmm7 = 0, eax = pix1, ecx = pix2, xmm0 save the result
%macro SSE2_LoadDiff8P 5
movq %1, %4
punpcklbw %1, %3
movq %2, %5
punpcklbw %2, %3
psubw %1, %2
%endmacro
; m2 = m1 + m2, m1 = m1 - m2
%macro SSE2_SumSub 3
movdqa %3, %2
paddw %2, %1
psubw %1, %3
%endmacro
%macro butterfly_1to16_sse 3 ; xmm? for dst, xmm? for tmp, one byte for pSrc [generic register name: a/b/c/d]
mov %3h, %3l
movd %1, e%3x ; i.e, 1% = eax (=b0)
pshuflw %2, %1, 00h ; ..., b0 b0 b0 b0 b0 b0 b0 b0
pshufd %1, %2, 00h ; b0 b0 b0 b0, b0 b0 b0 b0, b0 b0 b0 b0, b0 b0 b0 b0
%endmacro
;copy a dw into a xmm for 8 times
%macro SSE2_Copy8Times 2
movd %1, %2
punpcklwd %1, %1
pshufd %1, %1, 0
%endmacro
;copy a db into a xmm for 16 times
%macro SSE2_Copy16Times 2
movd %1, %2
pshuflw %1, %1, 0
punpcklqdq %1, %1
packuswb %1, %1
%endmacro
;***********************************************************************
;preprocessor constants
;***********************************************************************
;dw 32,32,32,32,32,32,32,32 for xmm
;dw 32,32,32,32 for mm
%macro WELS_DW32 1
pcmpeqw %1,%1
psrlw %1,15
psllw %1,5
%endmacro
;dw 1, 1, 1, 1, 1, 1, 1, 1 for xmm
;dw 1, 1, 1, 1 for mm
%macro WELS_DW1 1
pcmpeqw %1,%1
psrlw %1,15
%endmacro
;all 0 for xmm and mm
%macro WELS_Zero 1
pxor %1, %1
%endmacro
;dd 1, 1, 1, 1 for xmm
;dd 1, 1 for mm
%macro WELS_DD1 1
pcmpeqw %1,%1
psrld %1,31
%endmacro
;dB 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
%macro WELS_DB1 1
pcmpeqw %1,%1
psrlw %1,15
packuswb %1,%1
%endmacro