compiler-optimization

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Implementing SHLD/SHRD instructions in C
user_176658070
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5
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243
compiler-optimization bigint x86 assembly c
Aliasing - what is the clang optimizer afraid of?
user_897060
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2
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108
compiler-optimization clang llvm c++
Why does compiler optimization not generate a loop for sum of integers from 1..N?
user_101526740
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12
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741
compiler-optimization clang assembly loops c++
Why does gcc -O3 produce wildly different assembly for the same function?
user_65628510
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7
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173
compiler-optimization assembly gcc optimization c++
Why don't c++ compilers replace this access to a const class member with its value known at compile time?
user_52330630
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4
4
211
compiler-optimization constexpr constants c++
Rust compiler not optimising lzcnt? (and similar functions)
user_85877800
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7
1
113
compiler-optimization rust intrinsics bit-manipulation x86
Missed optimization with string_view::find_first_of
user_32371130
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6
1
201
compiler-optimization clang assembly gcc c++
Non-conforming optimizations of volatile in gcc 11.1
user_5845180
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7
3
132
compiler-optimization volatile gcc c
GCC optimizing _mm256_setzero_si256 away?
user_41634430
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4
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157
compiler-optimization avx2 intrinsics simd c
How to address several javascript_pack_tag's when having at least one namespace in routes file in rails
user_146538490
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1
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97
compiler-optimization webpacker ruby-on-rails-6 ruby-on-rails
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