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C语言中的字节对齐

FPGA硅农发布时间：2021-08-20 20:11:26 ，浏览量：4

在硬件开发中，有时为了提高系统性能，需要数组等数据结构按照指定字节对齐，在这里对字节对齐作一个简单总结：

1.__declspec(align(#))

该方法可以指定定义的数据按照#字节对齐，#必须是2的幂，例如

__declspec(align(32)) char p1[1000];
cout


    
        
            
                
                
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