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Registers (64bit)
10.09.2018
64bit x86 assembly registers
| 64-bit | 32-bit | 16-bit | 8-bit | Recommended Usage |
| . | | | | |
| rax | eax | ax | al | Return |
| rbx | ebx | bx | bl | Free |
| rcx | ecx | cx | cl | Arg4 |
| rdx | edx | dx | dl | Arg3 |
| rsi | esi | si | sil | Arg2 |
| rdi | edi | di | dil | Arg1 |
| rbp | ebp | bp | bpl | Free |
| rsp | esp | sp | spl | Stack pointer |
| r8 | r8d | r8w | r8b | Arg5 |
| r9 | r9d | r9w | r9b | Arg6 |
| r10 | r10d | r10w | r10b | Free |
| r11 | r11d | r11w | r11b | Free |
| r12 | r12d | r12w | r12b | Free |
| r13 | r13d | r13w | r13b | Free |
| r14 | r14d | r14w | r14b | Free |
| r15 | r15d | r15w | r15b | Free |
[x86] Registers (64bit);;Default.aspx?id=3;;;;[characters] Logic Symbols;;Default.aspx?id=2;;;;[characters] Greek Letters;;Default.aspx?id=1;;;;