ref: 3747f562492ea301b84e3eae4fa8cae765d95ccb
dir: /processing/src/asm/intra_pred.asm/
;*!
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;*
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;*
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;* notice, this list of conditions and the following disclaimer.
;*
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;*
;*
;* intra_pred.asm
;*
;* Abstract
;* sse2 function for intra predict operations
;*
;* History
;* 18/09/2009 Created
;*
;*
;*************************************************************************/
%include "../../src/asm/asm_inc.asm"
BITS 32
;***********************************************************************
; Local Data (Read Only)
;***********************************************************************
%ifdef FORMAT_COFF
SECTION .rodata data
%else
SECTION .rodata align=16
%endif
align 16
mmx_01bytes: times 16 db 1
;***********************************************************************
; macros
;***********************************************************************
%macro COPY_16_TIMES 2
movdqa %2, [%1-16]
psrldq %2, 15
pmuludq %2, [mmx_01bytes]
pshufd %2, %2, 0
%endmacro
%macro COPY_16_TIMESS 3
movdqa %2, [%1+%3-16]
psrldq %2, 15
pmuludq %2, [mmx_01bytes]
pshufd %2, %2, 0
%endmacro
;***********************************************************************
; Code
;***********************************************************************
SECTION .text
;***********************************************************************
; void WelsI16x16LumaPredH_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride);
;***********************************************************************
%macro SSE2_PRED_H_16X16_TWO_LINE 1
lea eax, [eax+ecx*2]
COPY_16_TIMES eax, xmm0
movdqa [edx+%1], xmm0
COPY_16_TIMESS eax, xmm0, ecx
movdqa [edx+%1+0x10], xmm0
%endmacro
WELS_EXTERN WelsI16x16LumaPredH_sse2
WelsI16x16LumaPredH_sse2:
mov edx, [esp+4] ; pred
mov eax, [esp+8] ; pRef
mov ecx, [esp+12] ; stride
COPY_16_TIMES eax, xmm0
movdqa [edx], xmm0
COPY_16_TIMESS eax, xmm0, ecx
movdqa [edx+0x10], xmm0
SSE2_PRED_H_16X16_TWO_LINE 0x20
SSE2_PRED_H_16X16_TWO_LINE 0x40
SSE2_PRED_H_16X16_TWO_LINE 0x60
SSE2_PRED_H_16X16_TWO_LINE 0x80
SSE2_PRED_H_16X16_TWO_LINE 0xa0
SSE2_PRED_H_16X16_TWO_LINE 0xc0
SSE2_PRED_H_16X16_TWO_LINE 0xe0
ret
;***********************************************************************
; void WelsI16x16LumaPredV_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride);
;***********************************************************************
WELS_EXTERN WelsI16x16LumaPredV_sse2
WelsI16x16LumaPredV_sse2:
mov edx, [esp+4] ; pred
mov eax, [esp+8] ; pRef
mov ecx, [esp+12] ; stride
sub eax, ecx
movdqa xmm0, [eax]
movdqa [edx], xmm0
movdqa [edx+10h], xmm0
movdqa [edx+20h], xmm0
movdqa [edx+30h], xmm0
movdqa [edx+40h], xmm0
movdqa [edx+50h], xmm0
movdqa [edx+60h], xmm0
movdqa [edx+70h], xmm0
movdqa [edx+80h], xmm0
movdqa [edx+90h], xmm0
movdqa [edx+160], xmm0
movdqa [edx+176], xmm0
movdqa [edx+192], xmm0
movdqa [edx+208], xmm0
movdqa [edx+224], xmm0
movdqa [edx+240], xmm0
ret