Consider the following assembly code: movq %rsi, %rax testq %rdi, %rdi jle .L2 imulq %rsi, %rax ret .L2: addq %rax, %rax ret The preceding code was generated by compiling C code that had the following overall form: long func (long x, long n) { long result = if ( _) { result = else result = return } Fill in the missing parts of the C code to get a program equivalent to the generated assembly code. Recall that the result of the function is returned in register %rax.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Consider the following assembly code:
movq %rsi, %rax
testq %rdi, %rdi
jle .L2
imulq %rsi, %rax
ret
.L2:
addq %rax, %rax
ret
The preceding code was generated by compiling C code that had the following overall form:
long func (long x, long n)
{
long result =
if (__) {
result
}
else
result
return
}
Fill in the missing parts of the C code to get a program equivalent to the generated assembly
code. Recall that the result of the function is returned in register %rax.
Transcribed Image Text:Consider the following assembly code: movq %rsi, %rax testq %rdi, %rdi jle .L2 imulq %rsi, %rax ret .L2: addq %rax, %rax ret The preceding code was generated by compiling C code that had the following overall form: long func (long x, long n) { long result = if (__) { result } else result return } Fill in the missing parts of the C code to get a program equivalent to the generated assembly code. Recall that the result of the function is returned in register %rax.
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