[deliverable/linux.git] / arch / powerpc / math-emu / fctiwz.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>

int
fctiwz(u32 *frD, void *frB)
{
	FP_DECL_D(B);
	FP_DECL_EX;
	u32 fpscr;
	unsigned int r;

	fpscr = __FPU_FPSCR;
	__FPU_FPSCR &= ~(3);
	__FPU_FPSCR |= FP_RND_ZERO;

	FP_UNPACK_DP(B, frB);
	FP_TO_INT_D(r, B, 32, 1);
	frD[1] = r;

	__FPU_FPSCR = fpscr;

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

	return 0;
}
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>
1da177e4 LT	8
	9	int
	10	fctiwz(u32 frD, void frB)
	11	{
	12	FP_DECL_D(B);
d2b194ed	13	FP_DECL_EX;
1da177e4 LT	14	u32 fpscr;
	15	unsigned int r;
	16
	17	fpscr = __FPU_FPSCR;
	18	__FPU_FPSCR &= ~(3);
	19	__FPU_FPSCR \|= FP_RND_ZERO;
	20
d2b194ed	21	FP_UNPACK_DP(B, frB);
1da177e4 LT	22	FP_TO_INT_D(r, B, 32, 1);
	23	frD[1] = r;
	24
	25	__FPU_FPSCR = fpscr;
	26
	27	#ifdef DEBUG
e48b1b45	28	printk("%s: D %p, B %p: ", __func__, frD, frB);
1da177e4 LT	29	dump_double(frD);
	30	printk("\n");
	31	#endif
	32
	33	return 0;
	34	}