X86 Registers Cheat Sheet - Gcc x86 assembly quick reference (cheat sheet) remember the length suffixes, covered here ! The 64 bit registers are shown in red. Scratch registers any function is allowed to overwrite, and use for anything you want without asking anybody. Web here's the full list of ordinary integer x86 registers. Web for gnu as on i386 i recommend this one: Web x86 cheat sheet general purpose registers %eax (%ax,%ah,%al) %ecx (%cx,%ch,%cl) %edx (%dx,%dh,%dl) %ebx (%bx,%bh,%bl) %esi %edi %ebp [base pointer] %esp [stack pointer] program counter %eip [instruction. The other one uses wide registers but doesn't use long operands.
Web x86 cheat sheet general purpose registers %eax (%ax,%ah,%al) %ecx (%cx,%ch,%cl) %edx (%dx,%dh,%dl) %ebx (%bx,%bh,%bl) %esi %edi %ebp [base pointer] %esp [stack pointer] program counter %eip [instruction. Gcc x86 assembly quick reference (cheat sheet) remember the length suffixes, covered here ! The other one uses wide registers but doesn't use long operands. Scratch registers any function is allowed to overwrite, and use for anything you want without asking anybody. Web for gnu as on i386 i recommend this one: The 64 bit registers are shown in red. Web here's the full list of ordinary integer x86 registers.