1[bits 64] 2 3cvtsi2sd xmm0,eax 4cvtsi2sd xmm0,rax 5cvtsd2si rax,xmm0 6cvtsi2ss xmm0,rax 7cvtsd2si rax,xmm0 8cvtss2si rax,xmm0 9cvttsd2si rax,xmm0 10cvttss2si rax,xmm0 11 12