For a function with prototype
long decode2(long x, long y, long z);
GCC generates the follow...
Computers and Technology, 11.10.2021 01:00 JUSTDAN6929
For a function with prototype
long decode2(long x, long y, long z);
GCC generates the following assembly code:
1. decode 2:
2. subq %rdx, %rsi
3. imulq %rsi, %rdi
4. movq %rsi, %rax
5. salq $63, %rax
6. sarq $63, %rax
7. xorq %rdi, %rax
8. ret
Parameters x, y, and z are passed in registers %rdi, %rsi, and %rdx. The code
stores the return value in register %rax.
Write C code for decode2 that will have an effect equivalent to the assembly
code shown.
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