bits 32 pavgb mm0,[ebx] pavgb mm0,qword [ebx] pavgw mm0,[ebx] pavgw mm0,qword [ebx] pavgb xmm0,[ebx] pavgb xmm0,oword [ebx] pavgw xmm0,[ebx] pavgw xmm0,oword [ebx] bits 64 pavgb mm0,[rbx] pavgb mm0,qword [rbx] pavgw mm0,[rbx] pavgw mm0,qword [rbx] pavgb xmm0,[rbx] pavgb xmm0,oword [rbx] pavgw xmm0,[rbx] pavgw xmm0,oword [rbx]