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New posts in compiler-optimization

What is the difference between the /Ox and /O2 compiler options?

Compiler stops optimizing unused string away when adding characters

Why is "while (i++ < n) {}" significantly slower than "while (++i < n) {}"

Can compiler optimization introduce bugs?

Is there a reason why not to use link-time optimization (LTO)?

Is it possible to tell the branch predictor how likely it is to follow the branch?

How to turn off gcc compiler optimization to enable buffer overflow

Why would code actively try to prevent tail-call optimization?

Why doesn't 'd /= d' throw a division by zero exception when d == 0?

G++ optimization beyond -O3/-Ofast

Why can't GCC generate an optimal operator== for a struct of two int32s?

How to disable compiler optimizations in gcc?

Efficiency of premature return in a function

Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]

Clang optimization levels

Using this pointer causes strange deoptimization in hot loop

Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?

Bubble sort slower with -O3 than -O2 with GCC

How do I make an infinite empty loop that won't be optimized away?

Why does the enhanced GCC 6 optimizer break practical C++ code?