ref: b6dcd94cb016ebc3a6d93fe9d42f957b23ec7a28
dir: /codec/processing/src/asm/sad.asm/
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;* Copyright (c) 2009-2013, Cisco Systems
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;*
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;*
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;* notice, this list of conditions and the following disclaimer.
;*
;* * Redistributions in binary form must reproduce the above copyright
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;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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;* 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;
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;*
;*
;* sad.asm
;*
;* Abstract
;* WelsSampleSad8x8_sse21
;*
;* History
;* 8/5/2009 Created
;*
;*
;*************************************************************************/
%include "asm_inc.asm"
;***********************************************************************
; Macros and other preprocessor constants
;***********************************************************************
%macro CACHE_SPLIT_CHECK 3 ; address, width, cacheline
and %1, 0x1f|(%3>>1)
cmp %1, (32-%2)|(%3>>1)
%endmacro
%macro SSE2_GetSad8x4 0
movq xmm0, [r0]
movq xmm1, [r0+r1]
lea r0, [r0+2*r1]
movhps xmm0, [r0]
movhps xmm1, [r0+r1]
movq xmm2, [r2]
movq xmm3, [r2+r3]
lea r2, [r2+2*r3]
movhps xmm2, [r2]
movhps xmm3, [r2+r3]
psadbw xmm0, xmm2
psadbw xmm1, xmm3
paddw xmm6, xmm0
paddw xmm6, xmm1
%endmacro
;***********************************************************************
; Code
;***********************************************************************
SECTION .text
WELS_EXTERN WelsSampleSad8x8_sse21
WelsSampleSad8x8_sse21:
;mov ecx, [esp+12]
;mov edx, ecx
;CACHE_SPLIT_CHECK edx, 8, 64
;jle near .pixel_sad_8x8_nsplit
;push ebx
;push edi
;mov eax, [esp+12]
;mov ebx, [esp+16]
%assign push_num 0
mov r2, arg3
push r2
CACHE_SPLIT_CHECK r2, 8, 64
jle near .pixel_sad_8x8_nsplit
pop r2
%ifdef X86_32
push r3
push r4
push r5
%endif
%assign push_num 3
mov r0, arg1
mov r1, arg2
SIGN_EXTENTION r1, r1d
pxor xmm7, xmm7
;ecx r2, edx r4, edi r5
mov r5, r2
and r5, 0x07
sub r2, r5
mov r4, 8
sub r4, r5
shl r5, 3
shl r4, 3
movd xmm5, r5d
movd xmm6, r4d
mov r5, 8
add r5, r2
mov r3, arg4
SIGN_EXTENTION r3, r3d
movq xmm0, [r0]
movhps xmm0, [r0+r1]
movq xmm1, [r2]
movq xmm2, [r5]
movhps xmm1, [r2+r3]
movhps xmm2, [r5+r3]
psrlq xmm1, xmm5
psllq xmm2, xmm6
por xmm1, xmm2
psadbw xmm0, xmm1
paddw xmm7, xmm0
lea r0, [r0+2*r1]
lea r2, [r2+2*r3]
lea r5, [r5+2*r3]
movq xmm0, [r0]
movhps xmm0, [r0+r1]
movq xmm1, [r2]
movq xmm2, [r5]
movhps xmm1, [r2+r3]
movhps xmm2, [r5+r3]
psrlq xmm1, xmm5
psllq xmm2, xmm6
por xmm1, xmm2
psadbw xmm0, xmm1
paddw xmm7, xmm0
lea r0, [r0+2*r1]
lea r2, [r2+2*r3]
lea r5, [r5+2*r3]
movq xmm0, [r0]
movhps xmm0, [r0+r1]
movq xmm1, [r2]
movq xmm2, [r5]
movhps xmm1, [r2+r3]
movhps xmm2, [r5+r3]
psrlq xmm1, xmm5
psllq xmm2, xmm6
por xmm1, xmm2
psadbw xmm0, xmm1
paddw xmm7, xmm0
lea r0, [r0+2*r1]
lea r2, [r2+2*r3]
lea r5, [r5+2*r3]
movq xmm0, [r0]
movhps xmm0, [r0+r1]
movq xmm1, [r2]
movq xmm2, [r5]
movhps xmm1, [r2+r3]
movhps xmm2, [r5+r3]
psrlq xmm1, xmm5
psllq xmm2, xmm6
por xmm1, xmm2
psadbw xmm0, xmm1
paddw xmm7, xmm0
movhlps xmm0, xmm7
paddw xmm0, xmm7
movd retrd, xmm0
%ifdef X86_32
pop r5
pop r4
pop r3
%endif
jmp .return
.pixel_sad_8x8_nsplit:
;push ebx
;mov eax, [esp+8]
;mov ebx, [esp+12]
;mov edx, [esp+20]
pop r2
%assign push_num 0
LOAD_4_PARA
SIGN_EXTENTION r1, r1d
SIGN_EXTENTION r3, r3d
pxor xmm6, xmm6
SSE2_GetSad8x4
lea r0, [r0+2*r1]
lea r2, [r2+2*r3]
SSE2_GetSad8x4
movhlps xmm0, xmm6
paddw xmm0, xmm6
movd retrd, xmm0
LOAD_4_PARA_POP
.return:
ret