More Related Contents:
- Does it make any sense to use the LFENCE instruction on x86/x86_64 processors?
- Test whether a register is zero with CMP reg,0 vs OR reg,reg?
- Why is (or isn’t?) SFENCE + LFENCE equivalent to MFENCE?
- Does a memory barrier ensure that the cache coherence has been completed?
- Why flush the pipeline for Memory Order Violation caused by other logical processors?
- Which is a better write barrier on x86: lock+addl or xchgl?
- In what situation would the AVX2 gather instructions be faster than individually loading the data?
- Micro fusion and addressing modes
- Custom bootloader booted via USB drive produces incorrect output on some computers
- rbp not allowed as SIB base?
- What does cltq do in assembly?
- Bomb lab phase 5 – 6 char string, movzbl load, and $0xf, %ecx, and index an array with that?
- How many bytes does the push instruction push onto the stack when I don’t specify the operand size?
- What does “int 0x80” mean in assembly code?
- Do terms like direct/indirect addressing mode actual exists in the Intel x86 manuals
- What is the x86 “ret” instruction equivalent to?
- Assembly difference between [var], and var
- What does `dword ptr` mean?
- Why are x86 registers named the way they are?
- Carry Flag, Auxiliary Flag and Overflow Flag in Assembly
- What is instruction fusion in contemporary x86 processors?
- call subroutines conditionally in assembly
- Very fast memcpy for image processing?
- Is there a specification of x86 I/O port assignment?
- Can PTEST be used to test if two registers are both zero or some other condition?
- Cannot move 8 bit address to 16 bit register
- Is a mov to a segmentation register slower than a mov to a general purpose register?
- What is callq instruction?
- MUL function in assembly
- What is register %eiz?