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  1. #include <stdio.h>
  2.  
  3.  
  4.  
  5. int main(void)
  6. {
  7.         int foo = 10, bar = 15;
  8.         __asm__ __volatile__("addl  %%ebx,%%eax"
  9.                              :"=a"(foo)
  10.                              :"a"(foo), "b"(bar)
  11.                              );
  12.         printf("foo+bar=%d\n", foo);
  13.         return 0;
  14. }
  15.  
Success #stdin #stdout 0.02s 1720KB
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stdin
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Standard input is empty
stdout
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foo+bar=25
https://ideone.com/HEmM1
language:
C99 (gcc 8.3)
created:
14 years ago
visibility:
public

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