Chapter 3.6, Problem 3.29PP

A.

Explanation of Solution

Given assembly code:

long sum = 0;

long i;

for(i=0;i<10;i++)

{

if(i&1)

continue;

sum += 1;

}

While loop:

• The syntax of “while” loop is shown below:

  in-exp;

  while(tst-exp)

  {

  body-smt

  update-exp;

  }

• The initialization expression “in-exp” is been evaluated first.
• After entering loop, the test condition “tst-exp” is been executed.
• It exits from loop if test condition fails.
• If the test passes, the loop body “body-smt” is been executed...

B.

Explanation of Solution

goto statement:

• The “goto” statement provides unconditional jump to a statement that is labeled in same function.
• It makes difficult to trace program’s control flow, which makes it difficult to modify.
• The program with “goto” statement should be rewritten to avoid issues.

  Example:

  The example for a “goto” statement is shown below:

  goto label;

  //code

  label: statement;

Here, “label” denotes the statement to which jump is been executed, “statement” denotes the statement to be executed...