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New posts in instruction-set
How many AMD exclusive instructions are there on zen 3 CPUs?
Jul 01, 2026
assembly
x86
cpu
instruction-set
amd-processor
Why is there "syscall" instruction in the x86-64 ISA, if syscalls are OS related?
Jun 27, 2026
assembly
operating-system
system-calls
machine-code
instruction-set
RISCV - How are jump instructions PC-relative?
Jun 26, 2026
assembly
cpu-architecture
riscv
instruction-set
position-independent-code
Where can I find a list of x86_64 assembly instructions?
Jun 25, 2026
assembly
x86-64
instruction-set
Wrapping my head around hardware representations of numbers: a hypothetical two's complement question
Jun 24, 2026
language-agnostic
hardware
math
twos-complement
instruction-set
What is the difference between N.E. and I in Intel manual?
Jun 15, 2026
assembly
x86
intel
instruction-set
instructions
What exactly do the gcc compiler switches (-mavx -mavx2 -mavx512f) do?
Jun 14, 2026
gcc
simd
avx
instruction-set
avx512
Trouble understanding GPU disassembly
Jun 14, 2026
glsl
instruction-set
Which Java code generates Wide instruction
Jun 04, 2026
java
jvm
bytecode
instruction-set
jvm-bytecode
New ISA instructions vs i386 [duplicate]
Jun 01, 2026
x86
simd
instruction-set
how to write XOR in assembly(ARM)
May 20, 2026
assembly
arm
xor
instruction-set
instructions
CPUs with instructions with more than two branch destinations
May 14, 2026
cpu-architecture
instruction-set
Different encoding for arm64 "add x1, sp, x2, lsl #1" than with xzr
May 13, 2026
assembly
arm64
instruction-set
instruction-encoding
How does RISC-V variable length of instruction work in detail?
May 13, 2026
assembly
cpu-architecture
riscv
instruction-set
instruction-encoding
On a Cortex M0 how expensive is a floating point compare vs an integer compare?
May 08, 2026
floating-point
embedded
instruction-set
cortex-m
If LDT does not exist in 64-bit architecture how are 32-bit systems that use it emulated on a 64-bit architecture?
May 03, 2026
assembly
x86
x86-64
instruction-set
gdt
Why left shift instruction has two names (SAL and SHL) in x86-64 ISA? [duplicate]
Apr 21, 2026
assembly
x86
x86-16
bit-shift
instruction-set
Writing an interpreter in C#: Best way to implement instructions?
Mar 19, 2026
c#
interpreter
plc
instruction-set
Do all CPUs of the same architecture run the same Assembly instructions?
Mar 09, 2026
assembly
x86
arm
instruction-set
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