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New posts in x86
Is it possible to multiply by an immediate with mul in x86 Assembly?
Nov 07, 2022
assembly
x86
dos
multiplication
immediate-operand
Return address prediction stack buffer vs stack-stored return address?
Oct 26, 2022
performance
architecture
x86
cpu
intel
SIMD signed with unsigned multiplication for 64-bit * 64-bit to 128-bit
Oct 04, 2020
c
x86
integer
bit-manipulation
sse
How to get CPU serial under Linux without root permissions
Feb 25, 2022
linux
x86
cpu
serial-number
cpuid
What specifically marks an x86 cache line as dirty - any write, or is an explicit change required?
Feb 15, 2022
x86
x86-64
cpu-architecture
cpu-cache
memory-bandwidth
How to access the control registers cr0,cr2,cr3 from a program? Getting segmentation fault
Apr 27, 2014
x86
inline-assembly
cpu-registers
What does a double-percent sign (%%) do in gcc inline assembly?
Nov 10, 2022
c
gcc
x86
How many bits there are in a TLB ASID tag for Intel processors? And how to handle 'ASID overflow'?
Sep 05, 2022
x86
operating-system
intel
virtual-memory
tlb
Could someone please explain what this inline #define assembly is doing?
Mar 22, 2022
gcc
assembly
x86
turbo-c
carryflag
Self modifying code always segmentation faults on Linux
Mar 10, 2014
linux
assembly
self-modifying
x86
Why is this SIMD multiplication not faster than non-SIMD multiplication?
Oct 17, 2022
c++
performance
assembly
x86
simd
What is the ".s" suffix in x86 instructions?
Nov 07, 2022
assembly
x86
x86-64
att
How do you populate an x86 XMM register with 4 identical floats from another XMM register entry?
Nov 18, 2022
c++
c
x86
inline-assembly
sse
What is the fastest way to test if a double number is integer (in modern intel X86 processors)
Jul 23, 2018
c
optimization
assembly
x86
sse
I want to create a simple assembler in C. Where should I begin? [duplicate]
Aug 09, 2020
c
assembly
x86
x86-64
low-level
What are the exhaustion characteristics of RDRAND on Ivy Bridge?
Aug 29, 2022
assembly
x86
x86-64
intel
rdrand
How to check if a signed integer is neg or pos?
Sep 22, 2022
assembly
x86
x64 instruction encoding and the ModRM byte
Apr 14, 2022
assembly
x86
x86-64
machine-code
opcode
What's the point of cache coherency?
Feb 24, 2019
multithreading
caching
concurrency
x86
low-level
Simplest way to remove something from the FPU stack
Nov 04, 2022
assembly
x86
x87
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