the assembly compiled from the C

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
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In C, both long x and int *y are 8-byte values. How can we can tell which one is which in the assembly compiled from the C? (l.e., what is true of one but not the other? If
several answers seem correct, pick the most precise option.)
A. x is stored in a register, y in memory
B. x is modified using addq, y using addl
C. x may be an argument to add but y won't be
D. When an argument of mov, a register storing x will never be inside parentheses
E. When an argument of mov, a register storing y will always be inside parentheses
Transcribed Image Text:In C, both long x and int *y are 8-byte values. How can we can tell which one is which in the assembly compiled from the C? (l.e., what is true of one but not the other? If several answers seem correct, pick the most precise option.) A. x is stored in a register, y in memory B. x is modified using addq, y using addl C. x may be an argument to add but y won't be D. When an argument of mov, a register storing x will never be inside parentheses E. When an argument of mov, a register storing y will always be inside parentheses
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