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New posts in x86
Given return address, how to get the address of the function?
Mar 26, 2023
c
assembly
x86
Extract scalar value from SSE vector
Mar 26, 2023
c
x86
sse
simd
Where _bss_start is define Linux kernel source
Mar 25, 2023
linux-kernel
x86
linux-device-driver
Keyboard interrupt handler for own kernel (C)
Mar 21, 2023
gcc
x86
kernel
inline-assembly
osdev
How modern X86 processors actually compute multiplications?
Mar 21, 2023
algorithm
x86
cpu-architecture
alu
micro-architecture
How can I know how many free bits are there in a pointer?
Mar 19, 2023
c
pointers
x86
What is the difference between defining string as bytes (db) and defining strings as words/double words(dw/dd) in x86
Mar 20, 2023
linux
assembly
x86
nasm
Assembly immediate values
Mar 18, 2023
assembly
x86
What's the difference between SIMD and SSE?
Mar 17, 2023
x86
simd
In 64-bit ASM. Is there a nice way of NOTing only the bottom 32-bits of a register
Mar 17, 2023
x86
assembly
Does CR3 change when an interrupt is fired on x86 machines?
Mar 17, 2023
assembly
x86
paging
intel
interrupt
80386 - How does the cpu choose between movzbw and movzbl
Mar 15, 2023
assembly
x86
Generating random numbers in assembly
Mar 15, 2023
assembly
random
x86
masm
emu8086
How to ensure that RDTSC is accurate?
Mar 15, 2023
x86
x86-64
cpuid
rdtsc
Functions in our code make it slower?
Mar 15, 2023
c
assembly
language-agnostic
x86
pipeline
NASM x86 using of nonexisting segment register 7
Mar 14, 2023
assembly
x86
nasm
How do initialize an SIMD vector with a range from 0 to N?
Mar 13, 2023
c
x86
sse
simd
intrinsics
repz ret: why all the hassle?
Mar 13, 2023
assembly
x86
micro-optimization
amd-processor
branch-prediction
What is the difference between "mov (%rax),%eax" and "mov %rax,%eax"?
Mar 12, 2023
assembly
x86
x86-64
cpu-registers
where to get Intel bios source code? [closed]
Mar 09, 2023
x86
intel
bios
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