ref: 749bc4ea7e20312e312e48f14995b18668df13b6
dir: /codec/common/x86/vaa.asm/
;*!
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;* Copyright (c) 2010-2013, Cisco Systems
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;*
;*
;* vaa.asm
;*
;* Abstract
;* sse2 for pVaa routines
;*
;* History
;* 04/14/2010 Created
;* 06/07/2010 Added AnalysisVaaInfoIntra_sse2(ssse3)
;* 06/10/2010 Tune rc_sad_frame_sse2 and got about 40% improvement
;* 08/11/2010 Added abs_difference_mbrow_sse2 & sum_sqrsum_mbrow_sse2
;*
;*************************************************************************/
%include "asm_inc.asm"
;***********************************************************************
; Macros and other preprocessor constants
;***********************************************************************
; by comparing it outperforms than phaddw(SSSE3) sets
%macro SUM_WORD_8x2_SSE2 2 ; dst(pSrc), tmp
; @sum_8x2 begin
pshufd %2, %1, 04Eh ; 01001110 B
paddw %1, %2
pshuflw %2, %1, 04Eh ; 01001110 B
paddw %1, %2
pshuflw %2, %1, 0B1h ; 10110001 B
paddw %1, %2
; end of @sum_8x2
%endmacro ; END of SUM_WORD_8x2_SSE2
%macro VAA_AVG_BLOCK_SSE2 6 ; dst, t0, t1, t2, t3, t4
movdqa %1, [r0 ] ; line 0
movdqa %2, [r0+r1] ; line 1
movdqa %3, %1
punpcklbw %1, xmm7
punpckhbw %3, xmm7
movdqa %4, %2
punpcklbw %4, xmm7
punpckhbw %2, xmm7
paddw %1, %4
paddw %2, %3
movdqa %3, [r0+r2] ; line 2
movdqa %4, [r0+r3] ; line 3
movdqa %5, %3
punpcklbw %3, xmm7
punpckhbw %5, xmm7
movdqa %6, %4
punpcklbw %6, xmm7
punpckhbw %4, xmm7
paddw %3, %6
paddw %4, %5
paddw %1, %3 ; block 0, 1
paddw %2, %4 ; block 2, 3
pshufd %3, %1, 0B1h
pshufd %4, %2, 0B1h
paddw %1, %3
paddw %2, %4
movdqa %3, %1
movdqa %4, %2
pshuflw %5, %1, 0B1h
pshufhw %6, %3, 0B1h
paddw %1, %5
paddw %3, %6
pshuflw %5, %2, 0B1h
pshufhw %6, %4, 0B1h
paddw %2, %5
paddw %4, %6
punpcklwd %1, %2
punpckhwd %3, %4
punpcklwd %1, %3
psraw %1, $04
%endmacro
%macro VAA_AVG_BLOCK_SSSE3 6 ; dst, t0, t1, t2, t3, t4
movdqa %1, [r0 ] ; line 0
movdqa %2, [r0+r1] ; line 1
movdqa %3, %1
punpcklbw %1, xmm7
punpckhbw %3, xmm7
movdqa %4, %2
punpcklbw %4, xmm7
punpckhbw %2, xmm7
paddw %1, %4
paddw %2, %3
movdqa %3, [r0+r2] ; line 2
movdqa %4, [r0+r3] ; line 3
movdqa %5, %3
punpcklbw %3, xmm7
punpckhbw %5, xmm7
movdqa %6, %4
punpcklbw %6, xmm7
punpckhbw %4, xmm7
paddw %3, %6
paddw %4, %5
paddw %1, %3 ; block 0, 1
paddw %2, %4 ; block 2, 3
phaddw %1, %2 ; block[0]: 0-15, 16-31; block[1]: 32-47, 48-63; ..
phaddw %1, xmm7 ; block[0]: 0-15; block[1]: 16-31; block[2]: 32-47; block[3]: 48-63; ....
psraw %1, $04
%endmacro
;***********************************************************************
; Code
;***********************************************************************
SECTION .text
; , 6/7/2010
;***********************************************************************
; int32_t AnalysisVaaInfoIntra_sse2( uint8_t *pDataY, const int32_t iLineSize );
;***********************************************************************
WELS_EXTERN AnalysisVaaInfoIntra_sse2
%assign push_num 0
LOAD_2_PARA
PUSH_XMM 8
SIGN_EXTENSION r1,r1d
%ifdef X86_32
push r3
push r4
push r5
push r6
%assign push_num push_num+4
%endif
mov r5,r7
and r5,0fh
sub r7,r5
sub r7,32
mov r2,r1
sal r2,$01 ;r2 = 2*iLineSize
mov r3,r2
add r3,r1 ;r3 = 3*iLineSize
mov r4,r2
sal r4,$01 ;r4 = 4*iLineSize
pxor xmm7, xmm7
; loops
VAA_AVG_BLOCK_SSE2 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5
movq [r7], xmm0
lea r0, [r0+r4]
VAA_AVG_BLOCK_SSE2 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5
movq [r7+8], xmm0
lea r0, [r0+r4]
VAA_AVG_BLOCK_SSE2 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5
movq [r7+16], xmm0
lea r0, [r0+r4]
VAA_AVG_BLOCK_SSE2 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5
movq [r7+24], xmm0
movdqa xmm0, [r7] ; block 0~7
movdqa xmm1, [r7+16] ; block 8~15
movdqa xmm2, xmm0
paddw xmm0, xmm1
SUM_WORD_8x2_SSE2 xmm0, xmm3
pmullw xmm1, xmm1
pmullw xmm2, xmm2
movdqa xmm3, xmm1
movdqa xmm4, xmm2
punpcklwd xmm1, xmm7
punpckhwd xmm3, xmm7
punpcklwd xmm2, xmm7
punpckhwd xmm4, xmm7
paddd xmm1, xmm2
paddd xmm3, xmm4
paddd xmm1, xmm3
pshufd xmm2, xmm1, 01Bh
paddd xmm1, xmm2
pshufd xmm2, xmm1, 0B1h
paddd xmm1, xmm2
movd r2d, xmm0
and r2, 0ffffh ; effective low work truncated
mov r3, r2
imul r2, r3
sar r2, $04
movd retrd, xmm1
sub retrd, r2d
add r7,32
add r7,r5
%ifdef X86_32
pop r6
pop r5
pop r4
pop r3
%endif
POP_XMM
ret
;***********************************************************************
; int32_t AnalysisVaaInfoIntra_ssse3( uint8_t *pDataY, const int32_t iLineSize );
;***********************************************************************
WELS_EXTERN AnalysisVaaInfoIntra_ssse3
%assign push_num 0
LOAD_2_PARA
PUSH_XMM 8
SIGN_EXTENSION r1,r1d
%ifdef X86_32
push r3
push r4
push r5
push r6
%assign push_num push_num+4
%endif
mov r5,r7
and r5,0fh
sub r7,r5
sub r7,32
mov r2,r1
sal r2,$01 ;r2 = 2*iLineSize
mov r3,r2
add r3,r1 ;r3 = 3*iLineSize
mov r4,r2
sal r4,$01 ;r4 = 4*iLineSize
pxor xmm7, xmm7
; loops
VAA_AVG_BLOCK_SSSE3 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5
movq [r7],xmm0
lea r0,[r0+r4]
VAA_AVG_BLOCK_SSSE3 xmm1, xmm2, xmm3, xmm4, xmm5, xmm6
movq [r7+8],xmm1
lea r0,[r0+r4]
VAA_AVG_BLOCK_SSSE3 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5
movq [r7+16],xmm0
lea r0,[r0+r4]
VAA_AVG_BLOCK_SSSE3 xmm1, xmm2, xmm3, xmm4, xmm5, xmm6
movq [r7+24],xmm1
movdqa xmm0,[r7]
movdqa xmm1,[r7+16]
movdqa xmm2, xmm0
paddw xmm0, xmm1
SUM_WORD_8x2_SSE2 xmm0, xmm3 ; better performance than that of phaddw sets
pmullw xmm1, xmm1
pmullw xmm2, xmm2
movdqa xmm3, xmm1
movdqa xmm4, xmm2
punpcklwd xmm1, xmm7
punpckhwd xmm3, xmm7
punpcklwd xmm2, xmm7
punpckhwd xmm4, xmm7
paddd xmm1, xmm2
paddd xmm3, xmm4
paddd xmm1, xmm3
pshufd xmm2, xmm1, 01Bh
paddd xmm1, xmm2
pshufd xmm2, xmm1, 0B1h
paddd xmm1, xmm2
movd r2d, xmm0
and r2, 0ffffh ; effective low work truncated
mov r3, r2
imul r2, r3
sar r2, $04
movd retrd, xmm1
sub retrd, r2d
add r7,32
add r7,r5
%ifdef X86_32
pop r6
pop r5
pop r4
pop r3
%endif
POP_XMM
ret
;***********************************************************************
; uint8_t MdInterAnalysisVaaInfo_sse41( int32_t *pSad8x8 )
;***********************************************************************
WELS_EXTERN MdInterAnalysisVaaInfo_sse41
%assign push_num 0
LOAD_1_PARA
movdqa xmm0,[r0]
pshufd xmm1, xmm0, 01Bh
paddd xmm1, xmm0
pshufd xmm2, xmm1, 0B1h
paddd xmm1, xmm2
psrad xmm1, 02h ; iAverageSad
movdqa xmm2, xmm1
psrad xmm2, 06h
movdqa xmm3, xmm0 ; iSadBlock
psrad xmm3, 06h
psubd xmm3, xmm2
pmulld xmm3, xmm3 ; [comment]: pmulld from SSE4.1 instruction sets
pshufd xmm4, xmm3, 01Bh
paddd xmm4, xmm3
pshufd xmm3, xmm4, 0B1h
paddd xmm3, xmm4
movd r0d, xmm3
cmp r0d, 20 ; INTER_VARIANCE_SAD_THRESHOLD
jb near .threshold_exit
pshufd xmm0, xmm0, 01Bh
pcmpgtd xmm0, xmm1 ; iSadBlock > iAverageSad
movmskps retrd, xmm0
ret
.threshold_exit:
mov retrd, 15
ret
;***********************************************************************
; uint8_t MdInterAnalysisVaaInfo_sse2( int32_t *pSad8x8 )
;***********************************************************************
WELS_EXTERN MdInterAnalysisVaaInfo_sse2
%assign push_num 0
LOAD_1_PARA
movdqa xmm0, [r0]
pshufd xmm1, xmm0, 01Bh
paddd xmm1, xmm0
pshufd xmm2, xmm1, 0B1h
paddd xmm1, xmm2
psrad xmm1, 02h ; iAverageSad
movdqa xmm2, xmm1
psrad xmm2, 06h
movdqa xmm3, xmm0 ; iSadBlock
psrad xmm3, 06h
psubd xmm3, xmm2
; to replace pmulld functionality as below
movdqa xmm2, xmm3
pmuludq xmm2, xmm3
pshufd xmm4, xmm3, 0B1h
pmuludq xmm4, xmm4
movdqa xmm5, xmm2
punpckldq xmm5, xmm4
punpckhdq xmm2, xmm4
punpcklqdq xmm5, xmm2
pshufd xmm4, xmm5, 01Bh
paddd xmm4, xmm5
pshufd xmm5, xmm4, 0B1h
paddd xmm5, xmm4
movd r0d, xmm5
cmp r0d, 20 ; INTER_VARIANCE_SAD_THRESHOLD
jb near .threshold_exit
pshufd xmm0, xmm0, 01Bh
pcmpgtd xmm0, xmm1 ; iSadBlock > iAverageSad
movmskps retrd, xmm0
ret
.threshold_exit:
mov retrd, 15
ret