fneg.c
#include <linux/types.h>
#include <linux/errno.h>
#include <asm/uaccess.h>
int
fneg(u32 *frD, u32 *frB)
{
frD[0] = frB[0] ^ 0x80000000;
frD[1] = frB[1];
#ifdef DEBUG
printk("%s: D %p, B %p: ", __func__, frD, frB);
dump_double(frD);
printk("\n");
#endif
return 0;
}