[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / powerpc / math-emu / fsqrts.c

#include <linux/types.h>
#include <linux/errno.h>
#include <asm/uaccess.h>

#include <asm/sfp-machine.h>
#include <math-emu/soft-fp.h>
#include <math-emu/double.h>
#include <math-emu/single.h>

int
fsqrts(void *frD, void *frB)
{
	FP_DECL_D(B);
	FP_DECL_D(R);
	FP_DECL_EX;

#ifdef DEBUG
	printk("%s: %p %p %p %p\n", __func__, frD, frB);
#endif

	FP_UNPACK_DP(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)
		FP_SET_EXCEPTION(EFLAG_VXSQRT);
	if (B_c == FP_CLS_NAN)
		FP_SET_EXCEPTION(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

	__FP_PACK_DS(frD, R);

	return FP_CUR_EXCEPTIONS;
}
Commit	Line	Data
1da177e4 LT	1	#include <linux/types.h>
	2	#include <linux/errno.h>
	3	#include <asm/uaccess.h>
	4
d2b194ed KG	5	#include <asm/sfp-machine.h>
	6	#include <math-emu/soft-fp.h>
	7	#include <math-emu/double.h>
	8	#include <math-emu/single.h>
1da177e4 LT	9
	10	int
	11	fsqrts(void frD, void frB)
	12	{
	13	FP_DECL_D(B);
	14	FP_DECL_D(R);
d2b194ed	15	FP_DECL_EX;
1da177e4 LT	16
1da177e4 LT	17	#ifdef DEBUG
e48b1b45	18	printk("%s: %p %p %p %p\n", __func__, frD, frB);
1da177e4 LT	19	#endif
1da177e4 LT	20
d2b194ed	21	FP_UNPACK_DP(B, frB);
1da177e4 LT	22
	23	#ifdef DEBUG
	24	printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
	25	#endif
	26
	27	if (B_s && B_c != FP_CLS_ZERO)
033b8a33	28	FP_SET_EXCEPTION(EFLAG_VXSQRT);
1da177e4	29	if (B_c == FP_CLS_NAN)
033b8a33	30	FP_SET_EXCEPTION(EFLAG_VXSNAN);
1da177e4 LT	31
	32	FP_SQRT_D(R, B);
	33
	34	#ifdef DEBUG
	35	printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
	36	#endif
	37
d2b194ed KG	38	__FP_PACK_DS(frD, R);
	39
	40	return FP_CUR_EXCEPTIONS;
1da177e4	41	}