Specifically is: mov %eax, %ds Slower than mov %eax, %ebx Or are they the same speed. I've researched online, but have been unable to find a definitive an
I am trying to use the write syscall in order to reproduce the putchar function behavior which prints a single character. My code is as follows, asm_putchar:
my prof posted this as one of the answers to a homework problem. Can anyone break this down for me? I don't understand what he is doing with CON1 - CON4 and wha
I'm trying to find the minimum value of a list using assembly language. I'm trying to use -1 to compare all the other values to. my current code is data_items:
I'm trying to find the minimum value of a list using assembly language. I'm trying to use -1 to compare all the other values to. my current code is data_items:
I am new to assembly language. Please help me how to find the higher bits after these instruction MOV AX,08H MOV BX, 07H ADD AX,BX I know a little bit shiftin
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
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