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New posts in x86
Why doesn't GCC use partial registers?
Apr 21, 2021
assembly
gcc
x86
x86-64
cpu-architecture
Does Linux use x86 CPU's PCID feature for TLB? If not, why?
Mar 21, 2022
caching
assembly
linux-kernel
operating-system
x86
Does a memory barrier ensure that the cache coherence has been completed?
Sep 05, 2022
assembly
x86
operating-system
cpu-cache
memory-barriers
Why can't you set the instruction pointer directly?
Sep 05, 2022
x86
cpu-registers
program-counter
Benefits of x87 over SSE
Aug 22, 2022
x86
x86-64
sse
fpu
x87
Why There is a difference between assembly languages like Windows, Linux?
Sep 05, 2022
assembly
operating-system
x86
What do square brackets mean in x86 assembly?
Sep 05, 2022
assembly
memory
x86
intel-syntax
ENTER and LEAVE in Assembly?
Sep 05, 2022
assembly
x86
stack-frame
The meaning of RET 2 in assembly
Mar 27, 2017
assembly
x86
Unexpectedly poor and weirdly bimodal performance for store loop on Intel Skylake
Oct 07, 2021
performance
assembly
optimization
x86
x86-64
What does the `test` instruction do? [duplicate]
Sep 04, 2022
assembly
x86
Do function pointers force an instruction pipeline to clear?
Sep 04, 2022
c
performance
x86
function-pointers
pipeline
Branch alignment for loops involving micro-coded instructions on Intel SnB-family CPUs
Feb 03, 2022
performance
assembly
x86
intel
micro-optimization
bootloader - switching processor to protected mode
Sep 07, 2022
assembly
operating-system
x86
bootloader
protected-mode
Which is a better write barrier on x86: lock+addl or xchgl?
Feb 03, 2022
assembly
x86
memory-barriers
SAR command in X86 assembly with one parameter
May 19, 2022
assembly
x86
disassembly
Calling C functions from x86 assembly language
Sep 04, 2022
c
assembly
x86
What does the R stand for in RAX, RBX, RCX, RDX, RSI, RDI, RBP, RSP? [duplicate]
Sep 04, 2022
assembly
x86
x86-64
cpu-registers
cpu-architecture
intel
Relative performance of swap vs compare-and-swap locks on x86
Nov 18, 2022
c
assembly
locking
x86
atomic
Printing out a number in assembly language?
Sep 04, 2022
assembly
x86
real-mode
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