What does `asm("" : "+r" (myVar));` mean in AVR-GCC? Understanding asm r my Var in AVR GCC When working with AVR GCC you may come across assembly language snippets embedded within your C code One such example is t 2 min read 07-10-2024 32
Is there an equivalent instruction to rdtsc in ARM? Is There an Equivalent Instruction to RDTSC in ARM When working with performance measurement in different CPU architectures understanding how to access timestam 3 min read 24-09-2024 54
clang (LLVM) inline assembly - multiple constraints with useless spills / reloads Clang Inline Assembly Understanding Constraint Selection and Optimization Problem When using inline assembly in Clang LLVM the compiler sometimes chooses a less 2 min read 06-09-2024 70
AVR inline assembly: output variable changes without instruction to change it Unraveling the Mystery of Changing Variables in AVR Inline Assembly Have you ever encountered a situation where a variable in your AVR inline assembly code chan 2 min read 06-09-2024 69
how to write __asm__ goto inline assembly Mastering asm goto in GCC Inline Assembly Inline assembly in C provides a powerful way to optimize code or access hardware directly While non branching instruct 3 min read 05-09-2024 50
Ubuntu freezes completely on executing this inline asm Understanding Inline Assembly and CPUID in Ubuntu Why One Method Freezes and the Other Doesnt This article investigates a perplexing situation encountered by a 3 min read 05-09-2024 57
gcc asm with empty input operand constraint Understanding GCCs Extended ASM with Empty Input Constraints When working with GCCs extended assembly language ASM you might encounter scenarios where you want 2 min read 05-09-2024 49
Use an assembly function in C without call and ret and store the return address in register Calling Assembly Functions Without call and ret in C This article delves into the intricate world of calling assembly functions from C code without relying on t 3 min read 04-09-2024 60
gnu inline assembly constraint `i` for memory address Demystifying the i Constraint in GNU Inline Assembly RIP Relative Addressing This article delves into the i constraint in GNU inline assembly particularly in th 3 min read 29-08-2024 69