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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     int bo_bits = 2;
  6.     int tag_bits = 28;
  7.     int addr = 1;
  8.  
  9.     unsigned int index = (unsigned int)addr;
  10.     index = index << tag_bits;
  11.     index = index >> bo_bits;
  12.  
  13.     printf("decimal=%u hex=0x%08x\n", index, index);
  14.  
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout 0s 2292KB
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stdin
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Standard input is empty
stdout
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decimal=67108864 hex=0x04000000
https://ideone.com/aIcOJ3
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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