softfloat/s_countLeadingZeros32.c

   1
   2 #include <stdint.h>
   3 #include "primitives.h"
   4
   5 int softfloat_countLeadingZeros32( uint32_t a )
   6 {
   7     int count;
   8
   9     count = 0;
  10     if ( a < 0x10000 ) {
  11         count = 16;
  12         a <<= 16;
  13     }
  14     if ( a < 0x1000000 ) {
  15         count += 8;
  16         a <<= 8;
  17     }
  18     count += softfloat_countLeadingZeros8[ a>>24 ];
  19     return count;
  20
  21 }
  22