phuclv

phuclv has asked 6 questions and find answers to 186 problems.

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I'm not an Indian, and obviously not Luru #SOreadytohelp

phuclv questions

Why does AVX512-IFMA support only 52-bit ints?
Why does Clang do this optimization trick only from Sandy Bridge onward?
How does the instruction decoder differentiate between EVEX prefix and BOUND opcode in 32-bit mode?

phuclv answers

Why does eax contain the number of vector parameters?
Are there any simple ways to check whether a value cannot be safely presented by another type?
How to tell compiler the "range" of a #define (-Wtype-limits warning)
Bitwise operation on a floating point usefulness
What's difference between number with $ or without $ symbol in at&t assembly syntax?
Are RAX, RBX, RCX, RDX, RSI, RDI, RBP, RSP, R8-R15 interchangable?
Avoid division by zero in C when taking log with respect to a random number
About returning more than one value in C/C++/Assembly
Are there stackless or heapless implementation of C++?
What is the purpose of SUB Instruction?