Consider the expression: ?=−?∗(?+?) Write the three – address code for this expression and translate the expression into: (i) quadruples (ii) triples (iii) indirect triples
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Consider the expression: ?=−?∗(?+?)
Write the three – address code for this expression and translate the expression into:
(i) quadruples
(ii) triples
(iii) indirect triples
Step by step
Solved in 2 steps
- Write a short C program that declares and initializes (to any value you like) adouble, an int, and a char. Next declare and initialize a pointer to each ofthe three variables. Your program should then print the address of, and valuestored in, and the memory size (in bytes) of each of the six variables.Use the “0x%x” formatting specifier to print addresses in hexadecimal. Youshould see addresses that look something like this: "0xbfe55918". The initialcharacters "0x" tell you that hexadecimal notation is being used; the remainderof the digits give the address itself.Use the sizeof operator to determine the memory size allocated for eachvariable.*/4) Answer the question in C++ A) What is wrong with the following code segment? enum CarType {GM, FORD, BMW}; int main() { CartType = BMW; return 0; } B) Assume that the addresses of x and y is 0x61feb8 and 0x61feb0, respectively. What will be the values of x, y, p, and q, respectively, when the following code runs successfully? int main() { int x; double y; int* p = &x; double* q = &y; *p = 3; *q = 3.14; increaseByOne(p, q); cout << x << " " << y << endl; cout << p << " " << q << endl; return 0; }void increaseByOne(int*& p1, double* q1){ (*p1)++; (*q1)++; p1++; q1++;} The four value:1. a) When a function is called in a given running program, an _____________ is created in the stack section of the virtual address space of the program that stores all the variables local to the function 1.b) Will the code below change the value of x? Explain why your answer is correct. All codes in c++ #include <iostream> using namespace std; void change(int); int main() { int x = 10; change(x); cout << "x = " << endl; return 0; } void change(int n1) { n1++; }
- Write a short C program that declares and initializes (to any value you like) adouble, an int, and a char. Next declare and initialize a pointer to each of thethree variables. Your program should then print the address of, and value storedin, and the memory size (in bytes) of each of the six variables.Use the “%p” formatting specifier to print addresses in hexadecimal. You shouldsee addresses that look something like this: "0xbfe55918". The initial characters"0x" tell you that hexadecimal notation is being used; the remainder of the digitsgive the address itself. Use proper formatting specifiers for char, int and double.Use the sizeof operator to determine the memory size allocated for each variable.Sample output from your program:The address of char ___ is 0x_______The address of int ___ is 0x_______The address of double ___ is 0x_______The address of char* ___ is 0x_______The address of int* ___ is 0x_______The address of double* ___ is 0x_______The value of char ___ is _______The…a. Translate with a three-address statement, the following expression: n = f((x+2), y) – 5; b. If A is an array of integers with width = 4; Translate with three-address statement, the following expression: x = a[i] + 2;Consider the infix expression exp = ( ( 8 / 2 ) + 3 ) * 1 to solve the questions given below: a: Trace the process of converting the infix expression into It's postfix form. b: Evaluate the postfix expression you obtained in part a. *************************************************************************************** Note: Solve the question in your notebook. Draw two tables as shown below. Scan or take a picture, upload the file. a: Next token Action Content of stack Postfix expression b: Next token Action Content of stack
- What is the address of (int) m[i][j] in terms of the base address and COLS? What are potential problems with <code>strcpy()</code> and <code>strcat</code> Why does <code>scanf()</code> take a pointer?Question:- 1 Recreate the following C program in x86-64 and aarch64 assembly manually: #include <stdio.h> typedef struct _v2d {long x;long y;} v2d_t; static long dot(v2d_t a, v2d_t b){return a.x * b.x + a.y * b.y;} static long dot_ptr(v2d_t *a, v2d_t *b){return a->x * b->x + a->y * b->y;} int main(void){v2d_t a, b; scanf("%ld %ld %ld %ld", &a.x, &a.y, &b.x, &b.y); long res1 = dot(a, b);printf("%ld\n", res1); long res2 = dot_ptr(&a, &b);printf("%ld\n", res2); return 0;}1.Code a descriptor that contains a starting address 8A0000H and an ending address 8A1119H. If DS = 1095 and expands downward and can be written, what is the entry level, descriptor table used, and the RPL?
- Given the declaration below, if array aData[][] was associated to the memory location 1010 (in decimal), what is the value/address (in decimal) equivalent to aData[5] ? double aData[6][4]; Note that sizeof(double) results to 8, meaning 8 bytes.assembly code for Write a program that writes 67D, 65D, 63D, ...... values to addresses from 22H to 12H (including 12H). Write the needed solution in a loop to the field in Question 8. Ignore the box below. Adres Değer 22H 67D 21H 65D 20H 63D : : : :2. Consider the two main variables: Number and N. Number is a 1024 byte variable. It represents a huge unsigned integer. N is a 4 byte variable. It represents the number of bits by which the number will be shifted. assenbly language Write an SHL1024 function that receives two parameters on the stack: the address of a number of 1024 bytes and a value giving by how many bits the number of 1024 bytes will be shifted towards the left. This function must act like an SHL but on a 1024 byte variable. On return, the content of the Number variable will be shifted to the left by the number of bits demand. On return, the values of the general registers and the EFLAGS should be the same as before the call to SHL1024