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New posts in x86
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
Aug 15, 2022
assembly
x86
x86-64
cpu-registers
zero-extension
What is the best way to set a register to zero in x86 assembly: xor, mov or and?
Dec 14, 2021
performance
assembly
optimization
x86
micro-optimization
How do you use gcc to generate assembly code in Intel syntax?
Aug 15, 2022
gcc
x86
gnu
intel
assembly
What is the difference between MOV and LEA?
Aug 15, 2022
assembly
x86
instruction-set
An expensive jump with GCC 5.4.0
Dec 14, 2021
c++
gcc
x86
conditional-statements
branch-prediction
The point of test %eax %eax [duplicate]
Aug 14, 2022
assembly
x86
att
What happens when a computer program runs?
Aug 14, 2022
c++
memory
operating-system
x86
computer-architecture
Why does GCC generate such radically different assembly for nearly the same C code?
Aug 14, 2022
c
gcc
assembly
x86
compiler-optimization
What is the difference between Trap and Interrupt?
Aug 14, 2022
x86
operating-system
kernel
interrupt
cpu-architecture
What Every Programmer Should Know About Memory?
Aug 14, 2022
optimization
memory
x86
cpu-architecture
cpu-cache
intel
How does the ARM architecture differ from x86? [closed]
Aug 14, 2022
x86
arm
What is exactly the base pointer and stack pointer? To what do they point?
Aug 14, 2022
c
assembly
x86
stack-frame
stack-pointer
What is a retpoline and how does it work?
Aug 14, 2022
security
assembly
x86
cpu-architecture
spectre
What does multicore assembly language look like?
Dec 14, 2021
assembly
x86
cpu
multicore
smp
How to run a program without an operating system?
Oct 17, 2022
assembly
x86
operating-system
bootloader
osdev
How to compile Tensorflow with SSE4.2 and AVX instructions?
Feb 01, 2022
tensorflow
x86
compiler-optimization
simd
compiler-options
Deoptimizing a program for the pipeline in Intel Sandybridge-family CPUs
Mar 11, 2021
c++
optimization
x86
intel
cpu-architecture
How can I determine if a .NET assembly was built for x86 or x64?
Aug 13, 2022
.net
assemblies
x86
64-bit
x86-64
What's the purpose of the LEA instruction?
Aug 13, 2022
assembly
x86
x86-64
x86-16
Why does C++ code for testing the Collatz conjecture run faster than hand-written assembly?
Mar 05, 2022
c++
performance
assembly
optimization
x86
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