Why don't compilers merge redundant std::atomic writes?

Why don't compilers merge redundant std::atomic writes?

c++ multithreading c++11 compiler-optimization stdatomic

multithreading

How to demonstrate Java instruction reordering problems?

java multithreading compiler-optimization instruction-reordering

multithreading

May compiler optimizations be inhibited by multi-threading?

c++ c multithreading openmp compiler-optimization

multithreading

When to use volatile to counteract compiler optimizations in C#

c# multithreading .net-4.0 compiler-optimization

multithreading

Allowed C# Compiler optimization on local variables and refetching value from memory

c# .net multithreading compiler-optimization

multithreading

How does memory reordering help processors and compilers?

java multithreading optimization compiler-optimization cpu-architecture

multithreading

Are synchronizes-with edegs compiler re-ordering barriers in both directions?

java multithreading compiler-optimization memory-model java-memory-model

multithreading

Is VC++ still broken Sequentially-Consistent-wise?

c++ multithreading visual-c++ concurrency compiler-optimization

multithreading

Is it safe to poll for a variable written by other threads in a C program?

c multithreading thread-safety pthreads compiler-optimization

multithreading

Why is the compiler allowed to optimize out this busy waiting loop?

c++ multithreading compiler-optimization busy-waiting

multithreading

Following pointers in a multithreaded environment

c multithreading pthreads c99 compiler-optimization

multithreading