compiler-optimization

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Why can GCC only do loop interchange optimization when the int size is a compile-time constant?
user_33582510
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3
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564
compiler-optimization x86 gcc optimization c
Building backward compatible binaries with newer CPU instructions support
user_1772750
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4
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483
compiler-optimization inline-assembly x86 gcc c
Compile-time elimination of if/else branch in C++
user_131348570
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12
1
992
compiler-optimization template-specialization language-lawyer templates c++
Is this "elision failure" language-mandated?
user_15930770
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7
3
252
compiler-optimization elision language-lawyer stdstring c++
Faster divisibility test than % operator?
user_17297840
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23
2
796
compiler-optimization math x86 modulo c
Different instructions when I use direct initialization vs std::initializer_list
user_24076000
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3
1
44
compiler-optimization c++
Why Clang allocate std::complex so fast?
user_77888810
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2
1
151
compiler-optimization dynamic-memory-allocation clang c++ performance
How can I get GCC to optimize this bit-shifting instruction into a move?
user_107951510
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6
2
182
compiler-optimization bit-fields gcc c
Clang doesn't inline std::atomic::load for loading 64-bit structs
user_36711060
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5
1
375
compiler-optimization stdatomic atomic clang c++
Performance of std::map index operator vs insert method
user_15476990
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2
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156
compiler-optimization c++14 std c++
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