Assembly ADC (Add with carry) to C++

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  1. Efficient 128-bit addition using carry flag
  2. Why does C++ code for testing the Collatz conjecture run faster than hand-written assembly?
  3. Can modern x86 hardware not store a single byte to memory?
  4. Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_u64 on Intel CPUs
  5. Why does this function push RAX to the stack as the first operation?
  6. What C/C++ compiler can use push pop instructions for creating local variables, instead of just increasing esp once?
  7. How do objects work in x86 at the assembly level?
  8. How do I call “cpuid” in Linux?
  9. What does the “lock” instruction mean in x86 assembly?
  10. Difference in performance between MSVC and GCC for highly optimized matrix multplication code
  11. Atomic operations, std::atomic and ordering of writes
  12. Why does a std::atomic store with sequential consistency use XCHG?
  13. How to generate assembly code with clang in Intel syntax?
  14. x86 MUL Instruction from VS 2008/2010
  15. Address of function is not actual code address
  16. What are these seemingly-useless callq instructions in my x86 object files for?
  17. Why is this SIMD multiplication not faster than non-SIMD multiplication?
  18. Fastest inline-assembly spinlock
  19. Why does mulss take only 3 cycles on Haswell, different from Agner’s instruction tables? (Unrolling FP loops with multiple accumulators)
  20. Using base pointer register in C++ inline asm
  21. What is exactly the base pointer and stack pointer? To what do they point?
  22. Atomic double floating point or SSE/AVX vector load/store on x86_64
  23. Is right shift undefined behavior if the count is larger than the width of the type?
  24. What parts of this HelloWorld assembly code are essential if I were to write the program in assembly?
  25. x86_64 ASM – maximum bytes for an instruction?
  26. How to power down the computer from a freestanding environment?
  27. Why GCC compiled C program needs .eh_frame section?
  28. Weird MSC 8.0 error: “The value of ESP was not properly saved across a function call…”
  29. Very fast memcpy for image processing?
  30. Visual Studio 2017: _mm_load_ps often compiled to movups

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