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New posts in x86
Extra registers in x86 64 bit
Apr 22, 2026
c
linux
64-bit
x86
Why does this simple program compiled with gcc,-mfpmath=387, and an optimization level of -O2 or -O3 produce NaN values?
Apr 22, 2026
c
gcc
x86
floating-point
x87
How did debuggers for 16-bit real mode programs produce stack traces?
Apr 22, 2026
debugging
x86
real-mode
Why left shift instruction has two names (SAL and SHL) in x86-64 ISA? [duplicate]
Apr 21, 2026
assembly
x86
x86-16
bit-shift
instruction-set
The return address in the assembly code
Apr 21, 2026
assembly
x86
call
How do *move elimination* slots work in Intel CPU?
Apr 20, 2026
x86
intel
cpu-architecture
Accessing command line arguments in MASM assembler (x86)
Apr 20, 2026
assembly
x86
dos
masm
Compiling + linking a custom OS with Cygwin gcc: Unrecognized emulation mode: elf_i386
Apr 19, 2026
gcc
assembly
x86
cygwin
osdev
Explanation of assembly code
Apr 20, 2026
assembly
x86
bootloader
memory-segmentation
Why dependency in a loop iteration can't be executed together with the previous one
Apr 19, 2026
performance
assembly
x86
micro-optimization
micro-architecture
Is pipelining/OoOE available on modern x86 processors when running in real mode?
Apr 19, 2026
x86
cpu-architecture
x86-16
real-mode
How can I set the default build target to x86 for all projects, in Visual Studio 2008?
Apr 19, 2026
visual-studio-2008
build
x86
How to make strcmp to return 0 in assembly
Apr 17, 2026
c
assembly
x86
strcmp
Inconsistent operand constraints in an 'asm'
Apr 18, 2026
c++
gcc
x86
inline-assembly
ttmath
Why does my bootloader not load a byte from memory correctly?
Apr 17, 2026
assembly
x86
bootloader
low-level
real-mode
What is the method for counting how many bytes your program will be, reading from 32 bit x86 assembly code
Apr 17, 2026
assembly
x86
32-bit
machine-code
code-size
x86 MASM Assembly - Empty Variable that Holds a String
Apr 17, 2026
assembly
x86
masm
Invalid results querying my system’s cache information with GetLogicalProcessorInformation()
Apr 16, 2026
c++
winapi
x86
cpu-architecture
cpu-cache
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