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New posts in compiler-optimization

C/C++ allowed short-circut compiler optimization

c++ c compiler-optimization short-circuiting

GCC - two identical functions but the code generated differs. Why?

c gcc compiler-optimization compiler-bug

Why is gcc -O3 auto-vectorizing factorial? That many extra instructions looks worse

gcc x86 x86-64 compiler-optimization auto-vectorization

How does a compiler, say gcc, version built years ago can still compile for a processor released recently?

gcc optimization compiler-construction intel compiler-optimization

Does C99 standard define observable behavior as C++03 does?

c c99 compiler-optimization language-lawyer

How does Lua take advantage of <const> when emitting bytecode?

optimization lua compiler-optimization bytecode

Saturate short (int16) in C++

c++ compiler-optimization micro-optimization

Example of undefined behaviour involving the use of const_cast

c++ gcc constants compiler-optimization undefined-behavior

Are multiple calls to the same method in the same statement optimized by the compiler?

java android optimization java-8 compiler-optimization

Compiler code generation - how we know it is high quality?

assembly compiler-optimization

Would the following code be optimized to one function call?

c++ compiler-optimization

Why this dead store of unique_ptr cannot be eliminated?

c++ gcc compiler-optimization abi

Does undefined behaviour retroactively mean that earlier visible side-effects aren't guaranteed?

c gcc language-lawyer compiler-optimization undefined-behavior

To use or not to use -fpic

c gcc compiler-optimization fpic

Does C99 Standard allow the compiler to transform code such that the same expression is no longer evaluated once some deduced condition is met?

c optimization c99 compiler-optimization

Why does compiling with -Os make this function larger?

c gcc compiler-optimization

Can 2 `restrict`-ed pointers compare equal?

c++ c language-lawyer compiler-optimization restrict-qualifier

Understanding clang loop-optimization

c++ optimization compiler-optimization llvm-clang

C++ : How can I know the size of Base class SubObject?

c++ class abstract-class compiler-optimization
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