不断认识自己的无知是人类获得智慧的表现  

随笔分类 -  x86

x86指令及优化
  • x86 Tips and Tricks
    摘要:The following tips and tricks put some of the techniques described above into practice.Initializing Data:- Set a register to zero:movd eax, 0Faster:xor eax, eaxpxor mm0, mm0pxor xmm0, xmm0- Set all bits of MM0 to 1s:C declaration: unsigned temp[4] = {0xFFFFFFFF, 0xFFFFFFFF,0xFFFFFFFF, 0xFFFFFFFF};as 阅读全文
    posted @ 2011-06-16 09:47 loleng 阅读(505) 评论(0) 推荐(0)