I recently made a program with C++ and ASM. Can anyone help me make this code a more efficient one , in the ASM part or both. I would really a
Which problems arise in the following assembly loop, if Predict Not Taken is chosen by default? Optimize the example to Predict not Taken. addi $s1, $zero, 1024
I'm trying to work with arrays in GNU assembly. In my opinion the following code must exit with value 3. But it exits with 13. .section __DATA,__data inArr:
Speaking of the memory model of C++ for concurrency, Stroustrup's C++ Programming Language, 4th ed., sect. 41.2.1, says: ... (like most modern hardware) the
Recently, I am working on RV32I base instruction set, and I did not find any instruction looks like LD r1, imm. Thus, I am wondering how assembly programer load
I have a working C program that has the simple function that returns a d character encoded in a byte array. char foo() { return 'd'; } char byte_array[] = {0
I have a working C program that has the simple function that returns a d character encoded in a byte array. char foo() { return 'd'; } char byte_array[] = {0
I received a task in college to compare execution time for calculating SHA256 in C# and assembly. It is supposed to be a simple WPF app with file input and 2 bu
Consider the following code snippet #include <vector> #include <cstdlib> void __attribute__ ((noinline)) calculate1(double& a, int x) { a += x
I'm reading the mail list about LKMM: Add volatile_if(). The control dependency is somewhat subtle since it is easily forgotten by us developers. So I wonder i
I'm new to this assembly language emo8086 and I just wanna ask if there's something wrong about this code because I want to display the average grade, but the o
Background: I have been learning x86_64 assembly using NASM on a Linux system and was writing a subroutine for strlen(const char *str) I wanted to copy one byte
I am trying to load only the first byte in a register after data is passed into it for example if I have the following ASM code global _start section .data stri
After serious development, CPUs gained many cores, gained distributed blocks of cores on multiple chiplets, numa systems, etc but still a piece of data has to p
LUI (load upper immediate) is used to build 32-bit constants and uses the U-type format. LUI places the U-immediate value in the top 20 bits of the destinati
I'm doing some operating system tutorials from the book "Operating systems from 0 to 1". One of the exercises is to set the cursor to a position on the screen i
According to Intel in x64 the following registers are called general purpose registers (RAX, RBX, RCX, RDX, RBP, RSI, RDI, RSP and R8-R15) https://software.inte
I want to practice using switch/cases and JumpTables in MIPS. Currently, I am able to achieve a similar logic via stacking several BEQ commands after each other
I'm trying to write an assembly procedure to get the SMARTDrive version on a given system. The code to detect if SMARTDrive is loaded works correctly, but I ca
Suppose we have a variable in memory, which is constantly being updated by a thread of execution by doing something like MOV into it with alternating values (si