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New posts in compiler-optimization

Why do GCC and Clang pop on both branches instead of only once? (Factoring parts of the epilogue out of tail-duplication)

c++ assembly gcc x86-64 compiler-optimization

Why is optimization forbidden if a C compiler cannot prove lack of UB?

c optimization compiler-optimization undefined-behavior integer-overflow

Avoid optimizing away variable with inline asm

c++ assembly performance-testing compiler-optimization inline-assembly

Is the conditional move optimization against the C standard?

c assembly language-lawyer compiler-optimization ternary-operator

Is there a technical reason that C# does not issue the "tail." CIL instruction? [duplicate]

c# .net mono compiler-optimization tail-call-optimization

Why doesn't strict aliasing rule apply to int* and unsigned*?

c language-lawyer compiler-optimization undefined-behavior strict-aliasing

Storage of String Literals in memory c++

c++ arrays string compiler-optimization string-literals

Using ASDF's :around-compile For Individual Files

common-lisp compiler-optimization asdf

Will the C# compiler optimize variable away?

c# multithreading compiler-optimization

Why do C compilers still prefer push over mov for saving registers, even when mov appears faster in llvm-mca?

c assembly x86-64 compiler-optimization micro-optimization

GCC optimization levels. Which is better?

gcc optimization compilation performance-testing compiler-optimization

How does this compiler optimization work?

assembly gcc compiler-optimization inlining

Why do modern compilers assume malloc never fails?

c++ gcc clang malloc compiler-optimization

Why gcc is so much worse at std::vector<float> vectorization of a conditional multiply than clang?

c++ gcc vectorization compiler-optimization avx

Compiler flags of GCC/CLANG to generate "BEXTR" instruction (of IA32's BMI1)

gcc x86 clang compiler-optimization bmi

In functional languages, how is the compiler able to translate non-tail recursion into loops to avoid stack overflows (if at all)?

recursion functional-programming compiler-construction compiler-optimization tail-recursion

Which GCC optimization flags affect binary size the most?

c++ gcc arm compiler-optimization code-size

GCC removes a bounds check in the right operand of &&, but not in the left operand, why?

c++ arrays c gcc compiler-optimization

Avoid unnecessary mov ecx, ecx instruction in bzhi(y, tzcnt(x))

c++ assembly visual-c++ bit-manipulation compiler-optimization

How to switch off local array merging in clang?

c gcc clang compiler-optimization
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