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New posts in x86-64
Instruction reordering in x86 / x64 asm - performance optimisation with latest CPUs
Jan 04, 2023
assembly
optimization
x86
x86-64
micro-optimization
Unknown meaning of colon ( : ) in assembly instruction
Jan 05, 2023
assembly
x86
x86-64
disassembly
How to use XACQUIRE, XRELEASE Hardware Lock Elision (HLE) prefix hints?
Jan 04, 2023
assembly
x86
x86-64
intel
cpu-architecture
Is segmentation completely not used in x64?
Jan 02, 2023
x86
operating-system
x86-64
memory-segmentation
Detecting x86/x64 and installing correct .msi
Jan 02, 2023
crystal-reports
windows-installer
x86-64
merge-module
Linux X86-64 assembly and printf
Dec 29, 2022
linux
assembly
x86-64
binary-data
Are RAX, RBX, RCX, RDX, RSI, RDI, RBP, RSP, R8-R15 interchangable?
Dec 28, 2022
assembly
x86-64
cpu-registers
x86, C++, gcc and memory alignment
Dec 27, 2022
c++
gcc
x86-64
memory-alignment
C/C++ returning struct by value under the hood
Dec 26, 2022
c++
c
assembly
x86-64
win64
How can I instruct the MSVC compiler to use a 64bit/32bit division instead of the slower 128bit/64bit division?
Dec 24, 2022
c
visual-c++
x86-64
compiler-optimization
integer-division
How to detect if the computer is 32-bit or 64-bit?
Dec 24, 2022
vba
x86
x86-64
What does the AMD64 machine code "48 ff 25" mean? [closed]
Dec 23, 2022
assembly
x86-64
disassembly
machine-code
instruction-set
64bit nasm division idiv
Dec 23, 2022
assembly
x86-64
nasm
How can a single sqrt() runs twice slower than when it was put in a for loop
Dec 22, 2022
c
gcc
assembly
x86-64
compiler-optimization
Error: operand size mismatch for `movq'
Dec 21, 2022
assembly
x86-64
VS: unexpected optimization behavior with _BitScanReverse64 intrinsic
Dec 20, 2022
c++
visual-studio
optimization
x86-64
intrinsics
Memory access error sys_rt_sigaction (signal handler)
Dec 20, 2022
linux
assembly
x86-64
system-calls
Negligible difference in performance between RDSEED and RDRAND
Dec 21, 2022
gcc
random
cryptography
x86-64
memcmp ignores characters at odd positions
Dec 20, 2022
assembly
x86-64
fasm
How can I cross compile Rust code into Intel assembly on an ARM M1 Apple Silicon Mac?
Dec 19, 2022
macos
rust
x86-64
cross-compiling
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