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New posts in x86
Which assemblers currently support the AVX instruction set?
Aug 12, 2022
x86
assembly
simd
avx
intel
How to interpret segment register accesses on x86-64?
Sep 12, 2022
linux
assembly
x86
x86-64
Shifting SSE/AVX registers 32 bits left and right while shifting in zeros
Nov 27, 2018
x86
sse
simd
avx
avx2
Related to C++ and Assembly, what is ebp+8?
Sep 17, 2022
c++
assembly
x86
g++
reverse-engineering
Compiler generated unexpected `IN AL, DX` (opcode `EC`) while setting up call stack
Mar 04, 2022
visual-studio
assembly
visual-c++
x86
visual-studio-debugging
testing if a register equals itself in ia32
Oct 27, 2022
testing
cpu-registers
x86
How to move two 32 bit registers in to one 64 bit?
Feb 17, 2020
assembly
x86
move
x86-64
foreach vs for: please explain the assembly code difference
Sep 06, 2017
c#
performance
assembly
x86
Encoding ADC EAX, ECX - 2 different ways to encode? (arch x86)
Mar 27, 2022
assembly
x86
difference between i386:x64-32 vs i386 vs i386:x86_64
May 14, 2022
linux
x86
x86-64
What is the "C++ ABI Specification" referred to in GCC's manual?
Mar 14, 2022
c++
gcc
x86
language-lawyer
x86-64
Can someone explain this directly assembled x86 JMP opcode?
Aug 17, 2022
assembly
x86
gnu
opcode
protected-mode
how do procedure calls work in assembler?
Sep 25, 2022
assembly
x86
call
function-calls
Threaded execution speed of LOCK CMPXCHG
Jan 27, 2021
assembly
locking
x86
performance
parallel-processing
task gate, interrupt gate, call gate
Dec 06, 2019
linux-kernel
x86
x86-64
How to optimize C-code with SSE-intrinsics for packed 32x32 => 64-bit multiplies, and unpacking the halves of those results for (Galois Fields)
Mar 23, 2022
c
optimization
x86
sse
simd
Why does iret from a page fault handler generate interrupt 13 (general protection fault) and error code 0x18?
Jul 29, 2018
assembly
x86
kernel
SSE multiplication of 2 64-bit integers
Jan 29, 2021
x86
sse
simd
multiplication
sse2
Assembly: why some x86 opcodes are invalid in x64?
Jun 25, 2018
assembly
x86
x86-64
cpu-architecture
opcode
What does this x86 assembly instruction do (addsd xmm0, ds:__xmm@41f00000000000000000000000000000[edx*8])?
Nov 05, 2022
assembly
x86
sse
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