New posts in compiler-optimization

SIMD instructions lowering CPU frequency

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

Why is the empty base class optimization (EBO) is not working in MSVC?

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

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

How to turn off gcc compiler optimization to enable buffer overflow

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

G++ optimization beyond -O3/-Ofast

Why do Compilers put data inside .text(code) section of the PE and ELF files and how does the CPU distinguish between data and code?

Is the compiler allowed to recycle freed pointer variables?

GCC(/Clang): Merging functions with identical instructions (COMDAT folding)

Can compiler optimization introduce bugs?

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]

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?

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

Bubble sort slower with -O3 than -O2 with GCC

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