klibc/klibc/libgcc/__modsi3.c


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/*
 * libgcc/__modsi3.c
 */

#include <stdint.h>
#include <stddef.h>

extern uint32_t __udivmodsi4(uint32_t num, uint32_t den, uint32_t *rem);

int32_t __modsi3(int32_t num, int32_t den)
{
  int minus = 0;
  int32_t v;

  if ( num < 0 ) {
    num = -num;
    minus = 1;
  }
  if ( den < 0 ) {
    den = -den;
    minus ^= 1;
  }
  
  (void) __udivmodsi4(num, den, &v);
  if ( minus )
    v = -v;

  return v;
}