x86 cmp
It doesn't matter which opcode you use if you compare two registers. The only difference is when comparing a register with a memory operand, ..., There are generally speaking two types of conditional jumps in x86: Arithmetic ... cmp eax, ebx jne .eax_is_not_equal_to_ebx cmp ecx, edx ja .
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 x86 cmp 相關參考資料
Can I compare (CMP) immediate values in Assembly? - Stack Overflow
In x86 assembly according to your assembler(e.g tasm, masm or nasm) you cannot compare immediates or variables with each other. https://stackoverflow.com x86 CMP Instruction Difference - Stack Overflow
It doesn't matter which opcode you use if you compare two registers. The only difference is when comparing a register with a memory operand, ... https://stackoverflow.com JNZ & CMP Assembly Instructions - Stack Overflow
There are generally speaking two types of conditional jumps in x86: Arithmetic ... cmp eax, ebx jne .eax_is_not_equal_to_ebx cmp ecx, edx ja . https://stackoverflow.com Guide to x86 Assembly - Computer Science - University of Virginia
MASM uses the standard Intel syntax for writing x86 assembly code. ..... performed being a special compare instruction, cmp (see below). http://www.cs.virginia.edu CMP: Compare Two Operands (x86 Instruction Set Reference) - c9x.me
x86 assembly tutorials, x86 opcode reference, programming, pastebin with syntax highlighting. ... 81 /7 iw, CMP r/m16, imm16, Compare imm16 with r/m16. https://c9x.me X86-assemblyInstructionscmp - aldeid
Description. The cmp instruction is used to perform comparison. It's identical to the sub instruction except it does not affect operands. It impacts ... https://www.aldeid.com CMP — Compare Two Operands
Opcode, Instruction, Op/En, 64-Bit Mode, Compat/Leg Mode, Description. 3C ib, CMP AL, imm8, I, Valid, Valid, Compare imm8 with AL. 3D iw, CMP AX, imm16 ... https://www.felixcloutier.com X86 AssemblyControl Flow - Wikibooks, open books for an open world
Note that the GAS/AT&T syntax can be rather confusing, as for example cmp $0, %rax followed by jl branch will branch if %rax < 0 (and not the opposite as might ... https://en.wikibooks.org How cmp assembly instruction sets flags (X86_64 GNU Linux) - Stack ...
CMP performs a subtraction but does not store the result. ... I see that you like pain and are using the braindead variant of x86 assembly called ... https://stackoverflow.com 小信豬的原始部落: PC Assembly Language 學習筆記(5) - Control ...
CMP 指令作的，其實就是vleft - vright，並將比較後的結果存入EFLAGS register 中(使用到zero、carry、sign 三個flag)，以下進行詳細的說明： http://godleon.blogspot.com |