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New posts in x86-64
How to use "GS:" in 64-bit Windows Assembly (eg, porting TLS code)
Feb 09, 2019
winapi
assembly
x86-64
win64
How do I implement an efficient 32 bit DivMod in 64 bit code
Sep 06, 2022
delphi
assembly
x86-64
Is it possible to use both 64 bit and 32 bit instructions in the same executable in 64 bit Linux?
Mar 18, 2019
linux
assembly
x86
x86-64
32bit-64bit
Efficient way to set first N or last N bits of __m256i to 1, the rest to 0
Oct 31, 2020
c++
bit-manipulation
vectorization
x86-64
avx2
Thread local variables and fs segment
Sep 25, 2022
c
linux
multithreading
gcc
x86-64
In x86, why do I have the same instruction two times, with reversed operands?
Oct 13, 2019
c
linux
gcc
assembly
x86-64
Assembler debug of undefined expression
Jul 20, 2021
c
assembly
undefined
x86-64
Stack alignment in x64 assembly
Dec 26, 2019
assembly
x86-64
memory-alignment
calling-convention
stack-pointer
How to link compiled object file (hello.o) with ld on Mac OS X?
Oct 21, 2022
macos
gcc
linker
x86-64
ld
Why does /proc/iomem only show zeros instead addresses in 64bit linux?
Jul 30, 2021
linux-kernel
linux-device-driver
x86-64
Are word-aligned loads faster than unaligned loads on x64 processors?
Jan 02, 2019
c
alignment
x86-64
What are the 128-bit to 512-bit registers used for?
Mar 17, 2022
assembly
x86-64
sse
simd
cpu-registers
Get installed software list using C#
Apr 13, 2022
c#
x86-64
regedit
installed-applications
Stack eip overflow x86 vs x86_64 easy C code
Oct 24, 2017
c
assembly
x86
stack
x86-64
Using GDB to read MSRs
Mar 11, 2022
x86
gdb
x86-64
memory-segmentation
msr
x86 32 bit opcodes that differ in x86-x64 or entirely removed
Oct 18, 2022
assembly
x86
x86-64
cpu-architecture
opcode
Why are global variables in x86-64 accessed relative to the instruction pointer?
Oct 31, 2022
c
assembly
compiler-construction
x86-64
I don't understand why compiler is giving me error with this code
Nov 04, 2022
c
linux
gcc
clang
x86-64
Why is this inline assembly not working with a separate asm volatile statement for each instruction?
Nov 05, 2022
c
linux
gcc
assembly
x86-64
Is mov %esi, %esi a no-op or not on x86-64?
Nov 08, 2022
assembly
linux-kernel
x86-64
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