compiler-optimization

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In what cases does a C++ compiler infer noexcept?
user_15930770
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12
1
486
noexcept compiler-optimization exception c++
How to create branchless code for this piece of code?
Admin1
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4
2
1865
compiler-optimization micro-optimization computer-science cpu-architecture compiler-construction
How does C++ keep the const value?
user_60540170
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3
4
256
compiler-optimization c++
strcpy()/strncpy() crashes on structure member with extra space when optimization is turned on on Unix?
user_59584550
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32
6
3150
compiler-optimization strcpy segmentation-fault struct c
Why is gcc allowed to speculatively load from a struct?
user_2642500
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52
6
4496
compiler-optimization x86 assembly gcc c
LLVM opt mem2reg has no effect
user_38781360
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13
2
4763
llvm-codegen ssa compiler-optimization clang optimization
If a compiler's back-end is the same for many programming language front-ends, will compiled object code is the same for different languages?
Admin1
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6
2
469
compiler-optimization compilation assembly compiler-construction
Why doesn't GCC optimize out deletion of null pointers in C++?
user_5800830
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47
6
6936
compiler-optimization delete-operator gcc null c++
What does clang's `-Ofast` option do in practical terms especially for any differences from gcc?
user_74103580
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19
1
6961
compiler-optimization x86-64 clang floating-point c++
Can std::move() or its explicit equivalent on a local variable allow elision?
user_49732240
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4
2
169
compiler-optimization move-semantics c++11 c++
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