softfloat/s_mul128By64To192.c

   1
   2 #include <stdint.h>
   3 #include "platform.h"
   4 #include "primitives.h"
   5
   6 struct uint192
   7  softfloat_mul128By64To192( uint64_t a64, uint64_t a0, uint64_t b )
   8 {
   9     struct uint128 p0, p64;
  10     struct uint192 z;
  11
  12     p0 = softfloat_mul64To128( a0, b );
  13     z.v0 = p0.v0;
  14     p64 = softfloat_mul64To128( a64, b );
  15     z.v64 = p64.v0 + p0.v64;
  16     z.v128 = p64.v64 + ( z.v64 < p64.v0 );
  17     return z;
  18
  19 }
  20