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- Does it make any sense to use the LFENCE instruction on x86/x86_64 processors?
- Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
- What’s the purpose of the LEA instruction?
- Why doesn’t GCC use partial registers?
- rbp not allowed as SIB base?
- Why are signed and unsigned multiplication different instructions on x86(-64)?
- What do the E and R prefixes stand for in the names of Intel 32-bit and 64-bit registers?
- Does the Intel Memory Model make SFENCE and LFENCE redundant?
- Why is imul used for multiplying unsigned numbers?
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- What are the names of the new X86_64 processors registers?
- x64 instruction encoding and the ModRM byte
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- Why flush the pipeline for Memory Order Violation caused by other logical processors?
- How to multiply a register by 37 using only 2 consecutive leal instructions in x86?
- Which is a better write barrier on x86: lock+addl or xchgl?
- What does “rep; nop;” mean in x86 assembly? Is it the same as the “pause” instruction?
- When should I use size directives in x86?
- Using 8-bit registers in x86-64 indexed addressing modes
- x86 32 bit opcodes that differ in x86-x64 or entirely removed
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- Arithmetic identities and EFLAGS
- What is callq instruction?
- What is the compatible subset of Intel’s and AMD’s x86-64 implementations?
- x86 Assembly pushl/popl don’t work with “Error: suffix or operands invalid”
- Where exactly is the red zone on x86-64?
- What is the function of the push / pop instructions used on registers in x86 assembly?
- Unexpectedly poor and weirdly bimodal performance for store loop on Intel Skylake
- Using ymm registers as a “memory-like” storage location
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