You are given the following information. A function with prototype void decode1(long *xp, long *yp, long *zp);
Question:
You are given the following information. A function with prototype
void decode1(long *xp, long *yp, long *zp);
Is compiled into assembly code, yielding the following:
Parameters xp, yp, and zp are stored in registers %rdi, %rsi, and %rdx, respectively. Write C code for decode1 that will have an effect equivalent to the assembly code shown.
Transcribed Image Text:
void decodel (long *xp, long *yp, long *zp) xp in %rdi, yp in %rsi, zp in %rdx decode1: movq movq movq movq movq movq ret (%rdi), %r8 (%rsi), %rcx (%rdx), %rax %r8, (%rsi) %rcx, (%rdx) %rax, (%rdi)
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Related Book For
Computer Systems A Programmers Perspective
ISBN: 9781292101767
3rd Global Edition
Authors: Randal E. Bryant, David R. O'Hallaron
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