;%include "libavutil/x86/x86inc.asm"
%include "libavutil/x86/x86util.asm"

SECTION_RODATA

SECTION .text

INIT_XMM sse4	; adds ff_ and _sse4 to function name

;******************************
;void put_hevc_mc_pixels_8(int16_t *dst, ptrdiff_t dststride,
;                                       uint8_t *_src, ptrdiff_t _srcstride,
;                                       int width, int height, int mx, int my,
;                                       int16_t* mcbuffer)
;
;	r0 : *dst
;	r1 : dststride
;	r2 : *src
; 	r3 : srcstride
;	r4 : width
;	r5 : height
;
;******************************
cglobal put_hevc_mc_pixels_8, 9, 12
	pxor		xmm0,xmm0		;set register at zero
	mov			r6,0			;height
	;8 by 8
mc_pixels_h:	;for height
	mov		r7,0			;width

mc_pixels_w:	;for width
	mov 		r9,0
	mov			r9,[r2+r7]
	shl			r9,6
	mov			[r0+r7],r9
	inc			r7
;	movq		xmm1,[r2+r7]	;load 64 bits
;	punpcklbw	xmm1,xmm0		;unpack to 16 bits
;	psllw		xmm1,6			;shift left 6 bits (14 - bit depth)
;	movdqu		[r0+r7],xmm1	;store 128 bits
;	add			r7,8			;add 8 for width loop
	cmp			r7, r4			;cmp width
	jl			mc_pixels_w		;width loop
	add			r0,r1			;dst += dststride
	add			r2,r3			;src += srcstride
	inc			r6
	cmp			r6,r5			;cmp height
	jl			mc_pixels_h		;height loop
    REP_RET