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New posts in x86
Is there an efficient way to get the first non-zero element in an SIMD register using SIMD intrinsics?
Oct 23, 2022
x86
bit-manipulation
simd
intrinsics
avx
How to disassemble a shellcode into assembly instruction? [duplicate]
Dec 13, 2020
assembly
x86
disassembly
shellcode
How to multiply a register by 37 using only 2 consecutive leal instructions in x86?
Oct 24, 2022
assembly
x86
x86-64
multiplication
strength-reduction
Syscall implementation of exit()
Nov 09, 2022
c
gcc
assembly
x86
system-calls
How to MOVe 3 bytes (24bits) from memory to a register?
Aug 29, 2022
assembly
x86
x86-64
micro-optimization
Why do I see 400x outlier timings when calling clock_gettime repeatedly?
Feb 13, 2022
c++
linux
performance
x86
clock
clflush to invalidate cache line via C function
May 12, 2022
c
performance
x86
intrinsics
cpu-cache
Setting and clearing the zero flag in x86
Nov 17, 2022
performance
assembly
x86
x86-64
micro-optimization
rdpmc: surprising behavior
Oct 13, 2021
performance
assembly
x86
performancecounter
intel-pmu
Why GCC generates strange way to move stack pointer
Sep 17, 2022
c++
assembly
gcc
x86
stack-pointer
Explanation of Asm code
Sep 25, 2022
gcc
assembly
lua
x86
inline-assembly
Write a maximum of two instructions to clear, set and complement some bits in the AL register
Oct 29, 2022
assembly
x86
xor
masm
How to implement deterministic malloc
May 17, 2022
c
linux
x86
malloc
x86 Comparison Instruction That Uses XOR Instead of Subtraction
May 26, 2022
performance
assembly
x86
comparison
intel
Are there any such processors which have instructions to bypass the cache?
Aug 27, 2022
assembly
x86
processor
cpu-cache
instructions
Assembly x86 registers signed or unsigned
Nov 13, 2022
assembly
x86
cpu-registers
unsigned
signed
Assembly Language (x86): How to create a loop to calculate Fibonacci sequence
Nov 08, 2022
assembly
x86
masm
fibonacci
irvine32
Does __asm{}; return the value of eax?
Apr 14, 2022
c
visual-c++
x86
inline-assembly
Are x86 opcodes arbitrary?
Oct 16, 2022
assembly
x86
machine-code
What does movl $_start, %eax mean?
May 13, 2022
assembly
x86
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