New posts in X86 64

The difference between cmpl and cmp

Using GDB to read MSRs

Is there an `x86` instruction to tell which core the instruction is being run on?

Is it possible to run 16 bit code in an operating system that supports Intel IA-32e mode?

Why 64 bit mode ( Long mode ) doesn't use segment registers?

To install ia32-libs on debian wheezy amd64

Why does GCC generate 15-20% faster code if I optimize for size instead of speed?

Load from a 64-bit address into other register than rax

Where is the x86-64 System V ABI documented?

What registers are preserved through a linux x86-64 function call