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New posts in x86-64
Using SSE instructions with gcc without inline assembly
Apr 07, 2022
c
x86-64
sse
simd
intrinsics
Signed saturated add of 64-bit ints?
Feb 17, 2022
c
optimization
x86-64
addition
saturation-arithmetic
Why is (or isn't?) SFENCE + LFENCE equivalent to MFENCE?
Oct 16, 2022
assembly
x86
x86-64
memory-barriers
memory-fences
C to assembly call convention 32bit vs 64bit
Aug 10, 2022
c
linux
assembly
x86
x86-64
intel
How to check for GPU on CentOS Linux
Nov 11, 2022
c
linux
gpu
x86-64
gpgpu
Interrupt routing for PCIe slot directly connected to the CPUs
Feb 21, 2021
operating-system
x86-64
interrupt
intel
pci-e
What prevents the usage of a function argument as hidden pointer?
Feb 21, 2022
c
gcc
optimization
x86-64
calling-convention
x86_64 calling conventions and stack frames
Nov 17, 2022
c
stack
x86-64
calling-convention
backtrace
Can you enter x64 32-bit "long compatibility sub-mode" outside of kernel mode?
May 29, 2015
linux
x86-64
kernel
compatibility-mode
intel
Why does x86 nopl instruction take an operand? [duplicate]
Oct 22, 2022
assembly
x86
x86-64
instructions
nop
Efficiently find least significant set bit in a large array?
Nov 06, 2022
c
assembly
bit-manipulation
x86-64
avx
clang (LLVM) inline assembly - multiple constraints with useless spills / reloads
Sep 05, 2016
gcc
assembly
clang
x86-64
inline-assembly
intel
Instruction Level Profiling: The Meaning of the Instruction Pointer?
Oct 16, 2022
performance
assembly
profiling
x86-64
low-level
What considerations go into predicting latency for operations on modern superscalar processors and how can I calculate them by hand?
Mar 22, 2022
assembly
x86-64
pipeline
latency
superscalar
What is long double on x86-64?
Mar 16, 2022
c
linux
floating-point
x86-64
ieee-754
C - Undefined symbols for architecture x86_64 when compiling on Mac OSX Lion
Jun 05, 2019
c
macos
osx-lion
x86-64
cs50
What are .seh_* assembly commands that gcc outputs?
Oct 01, 2022
gcc
assembly
x86-64
how to run amd64 docker images on arm64 host platform
Apr 01, 2022
macos
docker
containers
x86-64
apple-silicon
How does the gettimeofday syscall work?
Jul 14, 2022
linux
assembly
x86-64
system-calls
vdso
Why does gcc force PIC for x64 shared libs?
Oct 15, 2022
linux
assembly
x86
shared-libraries
x86-64
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