jidctint.c

jpeg编解码器

	psrad		mm6, 9					;p1(18,11)
	pmaddwd		mm5, fix_205_n256n039	;p1(18,17)

	paddd		mm4, [esi+8*25]			;p1(18,18)

	paddd		mm4, mm5				;p1(18,19)

	movq		mm5, mm4				;p1(18,20)
	
	paddd		mm4, [esi + 8*21]		;p1(18,21)
	
	paddd		mm4, const_0x2xx8		;p1(18,22)
	
	psrad		mm4, 9					;p1(18,23)

	packssdw	mm6, mm4				;p1(18,24)
	
	movq		[esi + 8*4], mm6		;p1(18,25)

	movq		mm4, [esi + 8*20]		;p1(18,26)

	psubd		mm4, mm7				;p1(18,27)
	
	paddd		mm4, const_0x2xx8		;p1(18,28)
	movq		mm7, mm0				;p1(19,3)
	
	psrad		mm4, 9					;p1(18,29)
	movq		mm6, [esi + 8*21]		;p1(18,30)
	
	psubd		mm6, mm5				;p1(18,31)
	punpcklwd	mm7, mm0				;p1(19,4)
	
	paddd		mm6, const_0x2xx8		;p1(18,32)
	
	psrad		mm6, 9					;p1(18,33)
	pmaddwd		mm7, fix_029_n089n196	;p1(19,5)

	packssdw	mm4, mm6				;p1(18,34)

	movq		[esi + 8*10], mm4		;p1(18,35)
	movq		mm6, mm3				;p1(19,0)

	punpcklwd	mm6, mm1				;p1(19,1)	
	movq		mm5, mm0				;p1(19,15)
	
	pmaddwd		mm6, fix_n196_n089		;p1(19,2)
	punpckhwd	mm5, mm0				;p1(19,16)


	paddd		mm6, [esi+8*24]			;p1(19,6)
	movq		mm4, mm3				;p1(19,12)

	paddd		mm6, mm7				;p1(19,7)
	punpckhwd	mm4, mm1				;p1(19,13)


	movq		mm7, mm6				;p1(19,8)
	pmaddwd		mm4, fix_n196_n089  	;p1(19,14)

	paddd		mm6, [esi + 8*22]		;p1(19,9)

	pmaddwd		mm5, fix_029_n089n196	;p1(19,17)
	
	paddd		mm6, const_0x2xx8		;p1(19,10)
	
	psrad		mm6, 9					;p1(19,11)
	paddd		mm4, [esi+8*25]			;p1(19,18)

	paddd		mm4, mm5				;p1(19,19)

	movq		mm5, mm4				;p1(19,20)
	paddd		mm4, [esi + 8*23]		;p1(19,21)
	paddd		mm4, const_0x2xx8		;p1(19,22)
	psrad		mm4, 9					;p1(19,23)

	packssdw	mm6, mm4				;p1(19,24)
	movq		[esi + 8*6], mm6		;p1(19,25)

	movq		mm4, [esi + 8*22]		;p1(19,26)
	
	psubd		mm4, mm7				;p1(19,27)
	movq		mm6, [esi + 8*23]		;p1(19,30)
	
	paddd		mm4, const_0x2xx8		;p1(19,28)
	psubd		mm6, mm5				;p1(19,31)

	psrad		mm4, 9					;p1(19,29)
	paddd		mm6, const_0x2xx8		;p1(19,32)

	psrad		mm6, 9					;p1(19,33)

	packssdw	mm4, mm6				;p1(19,34)
	movq		[esi + 8*8], mm4		;p1(19,35)
 
//************************************************************  
	mov			esi, eax

	mov			edi, outptr
	

//transpose 4 rows of wsptr

	movq		mm0, [esi+8*0]		;tran(0)
	
	movq		mm1, mm0			;tran(1)
	movq		mm2, [esi+8*2]		;tran(2)		

	punpcklwd	mm0, mm2			;tran(3)
	movq		mm3, [esi+8*4]		;tran(5)

	punpckhwd	mm1, mm2			;tran(4)
	movq		mm5, [esi+8*6]		;tran(7)

	movq		mm4, mm3			;tran(6)
	movq		mm6, mm0			;tran(10)

	punpcklwd	mm3, mm5			;tran(8)
	movq		mm7, mm1			;tran(11)

	punpckldq	mm0, mm3			;tran(12)

	punpckhwd	mm4, mm5			;tran(9)
	movq		[esi+8*0], mm0		;tran(16)
	
	punpckhdq	mm6, mm3			;tran(13)
	movq		mm0, [esi+8*1]		;tran(20)

	punpckldq	mm1, mm4			;tran(14)
	movq		[esi+8*2], mm6		;tran(17)
	
	punpckhdq	mm7, mm4			;tran(15)
	movq		[esi+8*4], mm1		;tran(18)

	movq		mm1, mm0			;tran(21)
	movq		mm3, [esi+8*5]		;tran(25)

	movq		mm2, [esi+8*3]		;tran(22)
	movq		mm4, mm3			;tran(26)

	punpcklwd	mm0, mm2			;tran(23)
	movq		[esi+8*6], mm7		;tran(19)

	punpckhwd	mm1, mm2			;tran(24)
	movq		mm5, [esi+8*7]		;tran(27)

	punpcklwd	mm3, mm5			;tran(28)
	movq		mm6, mm0			;tran(30)

	movq		mm7, mm1			;tran(31)
	punpckhdq	mm6, mm3			;tran(33)

	punpckhwd	mm4, mm5			;tran(29)
	movq		mm2, mm6			;p2(1,0)

	punpckhdq	mm7, mm4			;tran(35)
	movq		mm5, [esi + 8*2]	;p2(1,2)

	paddw		mm2, mm7			;p2(1,1)
	paddw		mm5, [esi + 8*6]	;p2(1,3)

	punpckldq	mm0, mm3			;tran(32)
	paddw		mm2, mm5			;p2(1,4)

	punpckldq	mm1, mm4			;tran(34)
	movq		mm5, [esi + 8*2]		;p2(3,0)

	pmulhw		mm2, fix_117_117	;p2(1,5)
	movq		mm4, mm7				;p2(2,0)

	pmulhw		mm4, fixn089n196p029	;p2(2,1)
	movq		mm3, mm6					;p2(6,0)

	pmulhw		mm3, fix_n256n039p205		;p2(6,1)

	pmulhw		mm5, fix_n089			;p2(3,1)

	movq		[eax + 8*24], mm2	;p2(1,6)

	movq		mm2, [esi + 8*6]	;p2(4,0)

	pmulhw		mm2, fix_n196		;p2(4,1)

	paddw		mm4, [eax + 8*24]			;p2(5,0)

	paddw		mm3, [eax + 8*24]		;p2(9,0)

	paddw		mm5, mm2					;p2(5,1)

	movq		mm2, [esi + 8*2]		;p2(7,0)
	paddw		mm5, mm4					;p2(5,2)
	pmulhw		mm2, fix_n039			;p2(7,1)

	movq		[esi + 8*1], mm5			;p2(5,3)

	movq		mm4, [esi + 8*6]	;p2(8,0)
	movq		mm5, mm6			;p2(10,0)

	pmulhw		mm4, fix_n256		;p2(8,1)

	pmulhw		mm5, fix_n039		;p2(10,1)

	pmulhw		mm6, fix_n256			;p2(15,0)

	paddw		mm2, mm4				;p2(9,1)

	movq		mm4, mm7			;p2(11,0)
	
	pmulhw		mm4, fix_n089		;p2(11,1)
	paddw		mm2, mm3				;p2(9,2)
	
	movq		[esi + 8*3], mm2		;p2(9,3)

	movq		mm3, [esi + 8*2]		;p2(13,0)

	pmulhw		mm7, fix_n196			;p2(16,0)

	pmulhw		mm3, fix_n089n039p150	;p2(13,1)
	paddw		mm5, mm4			;p2(12,0)


	paddw		mm5, [eax + 8*24]		;p2(14,0)

	movq		mm2, [esi + 8*6]		;p2(18,0)

	pmulhw		mm2, fix_n196p307n256	;p2(18,1)
	paddw		mm5, mm3				;p2(14,1)

	movq		[esi + 8*5], mm5		;p2(14,2)
	paddw		mm6, mm7				;p2(17,0)

	paddw		mm6, [eax + 8*24]		;p2(19,0)
	movq		mm3, mm1				;p2(21,0)

	movq		mm4, [esi + 8*4]		;p2(20,0)
	paddw		mm6, mm2				;p2(19,1)

	movq		[esi + 8*7], mm6		;p2(19,2)	
	movq		mm5, mm4				;p2(20,1)

	movq		mm7, [esi + 8*0]		;p2(26,0)

	pmulhw		mm4, fix_054p076		;p2(20,2)	
	psubw		mm7, mm0				;p2(27,0)

	pmulhw		mm3, fix_054			;p2(21,1)
	movq		mm2, mm0				;p2(26,1)

	pmulhw		mm5, fix_054			;p2(23,0)
	psraw		mm7, 3					;p2(27,1)

	paddw		mm2, [esi + 8*0]		;p2(26,2)
	movq		mm6, mm7				;p2(28,0)

	pmulhw		mm1, fix_054n184		;p2(24,0)
	psraw		mm2, 3					;p2(26,3)			

	paddw		mm4, mm3				;p2(22,0)	
	paddw		mm5, mm1				;p2(25,0)

	psubw		mm6, mm5				;p2(29,0)	
	movq		mm3, mm2				;p2(30,0)

	paddw		mm2, mm4				;p2(30,1)		
	paddw		mm7, mm5				;p2(28,1)			

	movq		mm1, mm2				;p2(32,0)
	psubw		mm3, mm4				;p2(31,0)		

	paddw		mm1, [esi + 8*5]		;p2(32,1)
	movq		mm0, mm7				;p2(33,0)

	psubw		mm2, [esi + 8*5]		;p2(32,2)
	movq		mm4, mm6				;p2(34,0)
	
	paddw		mm1, const_0x0808		;p2(32,3)
	
	paddw		mm2, const_0x0808		;p2(32,4)
	psraw		mm1, 4					;p2(32,5)

	psraw		mm2, 4					;p2(32,6)
	paddw		mm7, [esi + 8*7]		;p2(33,1)

	packuswb	mm1, mm2				;p2(32,7)
	psubw		mm0, [esi + 8*7]		;p2(33,2)

	paddw		mm7, const_0x0808		;p2(33,3)

	paddw		mm0, const_0x0808		;p2(33,4)
	psraw		mm7, 4					;p2(33,5)
	
	psraw		mm0, 4					;p2(33,6)
	paddw		mm4, [esi + 8*3]		;p2(34,1)

	packuswb	mm7, mm0				;p2(33,7)
	psubw		mm6, [esi + 8*3]		;p2(34,2)

	paddw		mm4, const_0x0808		;p2(34,3)
	movq		mm5, mm3				;p2(35,0)
	
	paddw		mm6, const_0x0808		;p2(34,4)
	psraw		mm4, 4					;p2(34,5)
	
	psraw		mm6, 4					;p2(34,6)
	paddw		mm3, [esi + 8*1]		;p2(35,1)

	packuswb	mm4, mm6				;p2(34,7)
	psubw		mm5, [esi + 8*1]		;p2(35,2)

	movq		mm0, mm1				;p2(36,0)
	paddw		mm3, const_0x0808		;p2(35,3)
	
	paddw		mm5, const_0x0808		;p2(35,4)
	punpcklbw	mm0, mm7				;p2(36,1)

	psraw		mm3, 4					;p2(35,5)
	movq		mm2, mm4				;p2(37,0)

	psraw		mm5, 4					;p2(35,6)
	movq		mm6, mm0				;p2(38,0)
	
	packuswb	mm3, mm5				;p2(35,7)
	mov			ebx, [edi]				;p2(42,0)

	punpckhbw	mm7, mm1				;p2(36,2)
	mov			ecx, [edi+4]			;p2(42,1)

	punpcklbw	mm2, mm3				;p2(37,1)	
	mov			edx, [edi+8]			;p2(42,2)

	punpckhbw	mm3, mm4				;p2(37,2)	
	add			ebx, output_col			;p2(42,3)

	punpcklwd	mm0, mm2				;p2(38,1)	
	movq		mm5, mm3				;p2(39,0)
	
	punpckhwd	mm6, mm2				;p2(38,2)	
	movq		mm1, mm0				;p2(40,0)

	punpcklwd	mm3, mm7				;p2(39,1)	
	add			ecx, output_col			;p2(42,4)

	add			edx, output_col			;p2(42,5)
	punpckldq	mm0, mm3				;p2(40,1)	

	punpckhdq	mm1, mm3				;p2(40,2)	
	movq		[ebx], mm0				;p2(43,0)	

	punpckhwd	mm5, mm7				;p2(39,2)	
	movq		[ecx], mm1				;p2(43,1)	

	movq		mm4, mm6				;p2(41,0)
	mov			ebx, [edi+12]			;p2(43,3)

	punpckldq	mm4, mm5				;p2(41,1)	
	add			ebx, output_col			;p2(43,4)

	punpckhdq	mm6, mm5				;p2(41,2)	
	movq		[edx], mm4				;p2(43,2)		

	movq		[ebx], mm6				;p2(43,5)

//************************************************************
//	Process next 4 rows

	add			esi, 64
	add			edi, 16

//transpose next 4 rows of wsptr

	movq		mm0, [esi+8*0]		;tran(0)
	
	movq		mm1, mm0			;tran(1)
	movq		mm2, [esi+8*2]		;tran(2)		

	punpcklwd	mm0, mm2			;tran(3)
	movq		mm3, [esi+8*4]		;tran(5)

	punpckhwd	mm1, mm2			;tran(4)
	movq		mm5, [esi+8*6]		;tran(7)

	movq		mm4, mm3			;tran(6)
	movq		mm6, mm0			;tran(10)

	punpcklwd	mm3, mm5			;tran(8)
	movq		mm7, mm1			;tran(11)

	punpckldq	mm0, mm3			;tran(12)

	punpckhwd	mm4, mm5			;tran(9)
	movq		[esi+8*0], mm0		;tran(16)
	
	punpckhdq	mm6, mm3			;tran(13)
	movq		mm0, [esi+8*1]		;tran(20)

	punpckldq	mm1, mm4			;tran(14)
	movq		[esi+8*2], mm6		;tran(17)
	
	punpckhdq	mm7, mm4			;tran(15)
	movq		[esi+8*4], mm1		;tran(18)

	movq		mm1, mm0			;tran(21)
	movq		mm3, [esi+8*5]		;tran(25)

	movq		mm2, [esi+8*3]		;tran(22)
	movq		mm4, mm3			;tran(26)

	punpcklwd	mm0, mm2			;tran(23)
	movq		[esi+8*6], mm7		;tran(19)

	punpckhwd	mm1, mm2			;tran(24)
	movq		mm5, [esi+8*7]		;tran(27)

	punpcklwd	mm3, mm5			;tran(28)
	movq		mm6, mm0			;tran(30)

	movq		mm7, mm1			;tran(31)
	punpckhdq	mm6, mm3			;tran(33)

	punpckhwd	mm4, mm5			;tran(29)
	movq		mm2, mm6			;p2(1,0)

	punpckhdq	mm7, mm4			;tran(35)
	movq		mm5, [esi + 8*2]	;p2(1,2)

	paddw		mm2, mm7			;p2(1,1)
	paddw		mm5, [esi + 8*6]	;p2(1,3)

	punpckldq	mm0, mm3			;tran(32)
	paddw		mm2, mm5			;p2(1,4)

	punpckldq	mm1, mm4			;tran(34)
	movq		mm5, [esi + 8*2]		;p2(3,0)

	pmulhw		mm2, fix_117_117	;p2(1,5)
	movq		mm4, mm7				;p2(2,0)

	pmulhw		mm4, fixn089n196p029	;p2(2,1)
	movq		mm3, mm6					;p2(6,0)

	pmulhw		mm3, fix_n256n039p205		;p2(6,1)

	pmulhw		mm5, fix_n089			;p2(3,1)

	movq		[eax + 8*24], mm2	;p2(1,6)

	movq		mm2, [esi + 8*6]	;p2(4,0)

	pmulhw		mm2, fix_n196		;p2(4,1)

	paddw		mm4, [eax + 8*24]			;p2(5,0)