compiler-optimization

英文: What optimizations are possible when loop variable is undefined on overflow? 问题 这篇文章介绍了一段C代码示例，编...

英文: Can 2 `restrict`-ed pointers compare equal? 问题 int foo(void *restrict ptr1, void *restrict ptr2)...

英文: Can compiler optimize member access when not used in the interim but updated later 问题 我理解编译器优化可能...

英文: Why gcc is so much worse at std::vector<float> vectorization of a conditional multiply tha...

英文: What happens during C compiler optimizations in relation to memory, threads and volatility? 问题 1...

英文: Why is initializing a string to "" more efficient than the default constructor? 问题 通常情...

英文: memcpy code optimized with -Os because of limited buffer scope 问题 使用"-O0"编译代码时，结果如下： f...

英文: Can the compiler coalesce atomic stores? 问题 以下是翻译好的内容： GCC、MSVC和clang都会生成两个像这样的mov指令： store2(): ...

英文: Which variant of the matrix 4x4 multiplication function should I use? 问题 You're correct that bot...

英文: Storage of String Literals in memory c++ 问题 我读到字符串文字总是存储在只读内存中，这是有道理的。 然而，如果我使用字符串文字初始化字符数组，它仍然会...