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New posts in cpu-registers
Why do we use sub esp, 4 instead of push a register in assembly?
Sep 18, 2025
assembly
optimization
x86
stack
cpu-registers
Why the %r0 of SPARC or MIPS, is always 0?
Sep 16, 2025
assembly
mips
cpu-architecture
cpu-registers
sparc
What does the gdb 'x' command do?
Sep 10, 2025
memory
assembly
gdb
cpu-registers
How to force an unused memory read in C that won't be optimized away?
Sep 09, 2025
c
embedded
microcontroller
volatile
cpu-registers
What is the difference between "mov (%rax),%eax" and "mov %rax,%eax"?
Mar 12, 2023
assembly
x86
x86-64
cpu-registers
Swap most significant byte and least significant byte in assembler
Mar 11, 2023
assembly
x86
byte
cpu-registers
Do the x86 segment registers have special meaning/usage on modern CPUs and OSes?
Feb 14, 2023
x86
history
cpu-registers
memory-segmentation
What is this pattern where the EBX register is used for memory access?
Feb 09, 2023
x86
reverse-engineering
cpu-registers
push return values in stack frame
Jan 21, 2023
assembly
stack
cpu-registers
machine-code
stack-frame
How do you add CH to EAX in x86 assembly?
Jan 16, 2023
assembly
x86
cpu-registers
Why are the cpu-registers in OllyDbg not sorted alphabetically?
Dec 29, 2022
assembly
cpu-registers
ollydbg
Are RAX, RBX, RCX, RDX, RSI, RDI, RBP, RSP, R8-R15 interchangable?
Dec 28, 2022
assembly
x86-64
cpu-registers
What's wrong with register keyword in C++? [duplicate]
Dec 27, 2022
c++
cpu-registers
c++17
storage-class-specifier
What’s the difference between eax ebx ecx in assembly
Dec 25, 2022
assembly
x86
cpu-registers
How to read 2’s complement value from two registers into an int
Dec 23, 2022
c
cpu-registers
twos-complement
Counting registers/thread in Cuda kernel
Dec 23, 2022
cuda
gpu
cpu-registers
hpc
is it possible to run 64 bit code in a machine with 32 bit processor?
Dec 21, 2022
c
compilation
32-bit
cpu-registers
processor
Why are memory locations also called registers?
Dec 21, 2022
embedded
cpu-registers
Why any modern x86 masks shift count to the 5 low bits in CL
Dec 20, 2022
assembly
x86
cpu-architecture
bit-shift
cpu-registers
Why are x86 registers named the way they are?
Sep 02, 2025
assembly
x86
naming
history
cpu-registers
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