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kernel_samsung_sm7125/arch/powerpc/math-emu/fsqrts.c

38 lines
650 B

#include <linux/types.h>
#include <linux/errno.h>
#include <asm/uaccess.h>
#include "soft-fp.h"
#include "double.h"
#include "single.h"
int
fsqrts(void *frD, void *frB)
{
FP_DECL_D(B);
FP_DECL_D(R);
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frB);
#endif
__FP_UNPACK_D(B, frB);
#ifdef DEBUG
printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
#endif
if (B_s && B_c != FP_CLS_ZERO)
ret |= EFLAG_VXSQRT;
if (B_c == FP_CLS_NAN)
ret |= EFLAG_VXSNAN;
FP_SQRT_D(R, B);
#ifdef DEBUG
printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
#endif
return (ret | __FP_PACK_DS(frD, R));
}