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New posts in x86-64
SSE Instruction to load Bytes with Zero Extension?
Nov 04, 2025
c
assembly
x86
x86-64
sse
how to reference local variables on the stack properly
Nov 02, 2025
assembly
stack
x86-64
Segmentation fault when calling printf from C function called from assembly [duplicate]
Nov 02, 2025
c
assembly
segmentation-fault
x86-64
quicksort
Performance difference of signed and unsigned integers of non-native length
Nov 01, 2025
c++
assembly
optimization
x86-64
compiler-optimization
How is CR8 register used to prioritize interrupts in an x86-64 CPU?
Oct 31, 2025
x86-64
intel
interrupt
cpu-architecture
amd-processor
Using CPUID to get cache size in Ryzen CPU
Nov 01, 2025
assembly
x86-64
cpu-cache
amd-processor
cpuid
How to force clang assembler to emit the `rex.W` prefix?
Oct 31, 2025
assembly
x86-64
Transition of multi-core processor from real mode to protected mode in Linux
Oct 31, 2025
linux
linux-kernel
x86-64
boot
bootloader
What does 'callq *(%rax)' mean?
Oct 31, 2025
assembly
x86-64
att
Why the number of x86 int registers is 8?
Oct 31, 2025
assembly
x86
x86-64
cpu-architecture
cpu-registers
why cannot define same local label in multiple functions?
Oct 30, 2025
assembly
syntax
x86-64
gnu-assembler
PMC to count if software prefetch hit L1 cache
Oct 29, 2025
x86-64
intel
performancecounter
memory-barriers
intel-pmu
Can I use a single "pthread_mutexattr_t" attribute to initialize two different mutexes?
Oct 29, 2025
c
pthreads
mutex
x86-64
suse
Bottleneck when using indexed addressing modes
Oct 27, 2025
x86-64
intel
cpu-architecture
micro-optimization
addressing-mode
Find Two-byte Illegal Opcodes for x86-64
Oct 28, 2025
c++
c
assembly
x86-64
Temporality of ST64B and MOVDIR64B
Oct 28, 2025
assembly
x86-64
cpu-architecture
arm64
micro-architecture
Unable to move variables in .data to registers with Mac x86 Assembly
Oct 28, 2025
macos
assembly
x86-64
att
relative-addressing
Write to console Unicode (UTF-16) text with Windows WinAPI functions?
Oct 28, 2025
assembly
unicode
console
x86-64
masm
float arithmetic and x86 and x64 context
Oct 27, 2025
c#
.net
x86
x86-64
floating-accuracy
x86-64: Cache load and eviction instruction
Oct 26, 2025
assembly
x86
x86-64
cpu-cache
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