memcpymmx.asm

mmx procedure samples (from worked project)

%include "c32.mac"

			public segment .text use32
			proc _memcpyMMX
%$dst		arg
%$src		arg
%$len		arg
			push esi
			push edi
			push ecx
			mov esi, [ebp+%$src]
			mov edi, [ebp+%$dst]
			mov ecx, [ebp+%$len]
			shr ecx, 6
CopyLoop:
			movq mm0, [esi]
			movq mm1, [esi+8*1]
			movq mm2, [esi+8*2]
			movq mm3, [esi+8*3]
			movq mm4, [esi+8*4]
			movq mm5, [esi+8*5]
			movq mm6, [esi+8*6]
			movq mm7, [esi+8*7]
			movq [edi], mm0
			movq [edi+8*1], mm1
			movq [edi+8*2], mm2
			movq [edi+8*3], mm3
			movq [edi+8*4], mm4
			movq [edi+8*5], mm5
			movq [edi+8*6], mm6
			movq [edi+8*7], mm7
			add esi, 64
			add edi, 64
			loop CopyLoop
                        emms
			pop ecx
			pop edi
			pop esi
			endproc