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New posts in x86
How to map the section to the segment from an ELF output file?
Feb 27, 2021
intel
gcc
assembly
x86
elf
osdev
What is practical application of x86 RCL/RCR instructions?
Mar 25, 2022
intel
assembly
x86
bit-manipulation
x86-64
bit-shift
What is a processor hint?
Aug 26, 2022
intel
assembly
x86
instructions
Can the simple decoders in recent Intel microarchitectures handle all 1-µop instructions?
Apr 16, 2022
intel
x86
x86-64
cpu
cpu-architecture
Does cmpxchg write destination cache line on failure? If not, is it better than xchg for spinlock?
Jun 06, 2022
intel
assembly
x86
cpu-cache
micro-optimization
compare-and-swap
How to achieve the effect of vpmovmskb on ZMM registers?
Jun 14, 2022
intel
assembly
x86
bitmask
avx512
Placing an instruction in the address pointed by the reset vector using times and align NASM directives
Jun 02, 2022
intel
assembly
x86
nasm
osdev
Access to PIT (?) IO ports 44h and 46h - what do those ports do?
Apr 28, 2022
intel
assembly
x86
dos
x86-16
ioports
Task management on x86
Oct 22, 2022
intel
linux
assembly
process
operating-system
x86
how does cpu calculate 20-bit address in real mode
Sep 22, 2022
intel
x86
memory-address
real-mode
Packed and encrypted section in x86 reversing challenge, without tripping entropy heuristics
Feb 19, 2018
intel
windows
encryption
assembly
x86
reverse-engineering
Intel x86 32-bit register confusion
Oct 16, 2022
intel
assembly
x86
nasm
cpu-registers
32-bit
Most efficient way to convert vector of uint32 to vector of float?
Feb 27, 2022
intel
assembly
floating-point
x86
sse
How to display a number on the screen and and sleep for one second with DOS x86 assembly?
Mar 13, 2019
assembly
x86
dos
nasm
bios
Emulating Intel TSX instructions
Sep 13, 2022
assembly
x86
emulation
intel-tsx
Convert binary to arm
Sep 09, 2021
architecture
binary
x86
arm
What nonlocal effects can change the performance of a basic block?
Feb 08, 2022
optimization
assembly
compilation
x86
micro-optimization
JavaFX exe bundling for x86 windows systems
Feb 24, 2022
deployment
x86
java-7
32-bit
Exactly how "fast" are modern CPUs?
Nov 15, 2022
intel
performance
assembly
x86
cpu-architecture
cpu-speed
MUL function in assembly
Nov 04, 2022
intel
assembly
x86
x86-16
multiplication
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