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New posts in x86-64
Does using SIMD have an initialisation cost
Mar 10, 2026
x86-64
simd
arm64
My (AT&T) assembly (x86-x64) code should increment but doesn't
Mar 10, 2026
c
assembly
x86-64
att
GDB does not load source lines from NASM
Mar 10, 2026
assembly
gdb
x86-64
nasm
FTDI LibMPSSE SPI
Mar 07, 2026
linux
x86-64
reverse-engineering
ftdi
why is c program reserving space for local variables unused? [duplicate]
Mar 06, 2026
c
assembly
x86-64
Segmentation Fault at the end of a simple _start that doesn't do anything
Mar 07, 2026
linux
assembly
segmentation-fault
x86-64
nasm
Why is Intel Pin not able to instrument open syscall?
Mar 07, 2026
linux-kernel
x86-64
system-calls
instrumentation
intel-pin
Moving 2 QWORDs from general purpose registers into an XMM register as high/low [duplicate]
Mar 04, 2026
assembly
x86-64
masm
sse
Does x64 assembler use 4-byte or 8-byte memory addresses?
Mar 06, 2026
assembly
hex
x86-64
memory-address
Linux x64 stack unwinding inside signal handler, to modify return address
Mar 06, 2026
c++
linux
gcc
x86-64
signal-handling
Dividing with a negative number gives me an overflow in NASM
Mar 05, 2026
assembly
nasm
x86-64
How to get dynamically generated X86_64 to return a value relative to the RIP / RBP
Mar 03, 2026
c
assembly
code-generation
x86-64
GCC generates test for nonzeroness even if the zero value is guaranteed
Mar 03, 2026
c++
assembly
optimization
x86-64
Using r8 register as a loop counter results in endless loop - why?
Mar 01, 2026
linux
assembly
x86-64
nasm
system-calls
Triple fault does not put system into reset
Feb 27, 2026
x86
x86-64
intel
hardware
Using SSE to speed up lower_bound function
Feb 27, 2026
c
assembly
x86
x86-64
sse
How is a critical path formed when there is a data dependency between a loop iterations while a CPU executing instructions?
Feb 26, 2026
performance
assembly
x86-64
cpu-architecture
micro-optimization
Is it still worth using the Quake fast inverse square root algorithm nowadays on x86-64?
Feb 26, 2026
algorithm
optimization
x86-64
micro-optimization
sqrt
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