Category "calling-convention"

Returning two AVX/AVX2 __m256d types in C++ function calls via registers

I am new to programming with the AVX/AVX2 instructions and am trying to optimize the speed of my code. Following the older expectation that passing by reference

What calling convention does printf() in C use?

So I've been practicing to write simple subroutines in FASMW using the CDECL and STDCALL calling conventions and it got me wondering about what the printf funct

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