-rw-r--r-- 182 saferewrite-20210903/src/int32_nonzeromask/shift3/nonzero.c
#include <inttypes.h>

int32_t int32_negativemask(int32_t x)
{
  return x >> 31;
}

int32_t int32_nonzeromask(int32_t x)
{
  return int32_negativemask(x) | int32_negativemask(-x);
}