New posts in X86 64

Difference between x86, x32, and x64 architectures?

Is reserving stack space necessary for functions less than four arguments?

What does "rep; nop;" mean in x86 assembly? Is it the same as the "pause" instruction?

Direction/Sign Extend bit in the encoding of an x86 opcode

Why do x86-64 systems have only a 48 bit virtual address space?

Is mov %esi, %esi a no-op or not on x86-64?

How are the fs/gs registers used in Linux AMD64?

Free 64-bit disassembler?

Why is %eax zeroed before a call to printf?

So on x86-64 it's big endian?