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New posts in x86
Finding missing C code, given assembly code?
Jan 10, 2019
c
assembly
x86
Why does Visual Studio assemble mov eax, [edx][ebx][ecx][edi] without complaint?
Aug 26, 2022
assembly
x86
masm
Why does .NET Native compile loop in reverse order?
Sep 11, 2022
c#
assembly
x86
micro-optimization
.net-native
How can I set or clear overflow flag in x86 assembly?
Jul 10, 2018
assembly
x86
eflags
Using 8-bit registers in x86-64 indexed addressing modes
May 09, 2022
assembly
x86
x86-64
addressing-mode
Why does the compiler generate a right-shift by 31 bits when dividing by 2?
Aug 11, 2019
assembly
optimization
x86
disassembly
sar
Default state of Direction Flag (DF) during x86 program execution
Sep 05, 2022
assembly
x86
flags
cpu-registers
PAE in x86-64 bit processors - Linux kernel
Nov 12, 2022
linux-kernel
x86
operating-system
x86-64
paging
What is the floating-point (__m256d) version of the non-temporal streaming load intrinsic (_mm256_stream_load_si256)?
Nov 18, 2022
c++
x86
simd
intrinsics
avx2
Atomically clearing lowest non-zero bit of an unsigned integer
Jun 30, 2022
c++
x86
arm
x86-64
atomic
Committed Vs Retired instruction
Oct 18, 2022
x86
cpu-architecture
cpu-cache
instructions
best way to shuffle across AVX lanes?
Dec 01, 2021
c++
x86
sse
simd
avx
Why can the MESI protocol not guarantee atomicity of CMPXCHG on x86 without the LOCK prefix?
Aug 26, 2022
x86
atomic
cpu-architecture
compare-and-swap
mesi
Understanding Inline assembly in a pre-processor macro vs Inline assembly in a function
Apr 03, 2022
c
gcc
x86
inline-assembly
osdev
Getting the caller's Return Address
Apr 01, 2022
c++
assembly
visual-c++
x86
backtrace
Why is LOCK a full barrier on x86?
Jan 19, 2022
x86
cpu-architecture
memory-barriers
Why is sizeof std::mutex == 40 when cache line size is often 64 bytes
Oct 26, 2022
c++
optimization
x86
false-sharing
stdmutex
How to perform low-level IO with a USB flash drive under the BIOS (compared to a floppy)?
Aug 16, 2022
assembly
x86
bios
usb-drive
bootstrapping
Real Mode, Interrupt vector replacement Crashing
Apr 22, 2022
assembly
x86
bootloader
interrupt-handling
How to translate "pushl 2000" from AT&T asm to Intel syntax on i386
Apr 21, 2022
assembly
x86
intel
att
i386
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