linux-sg2042/arch/powerpc/math-emu/fctiwz.c

35 lines
537 B
C

#include <linux/types.h>
#include <linux/errno.h>
#include <linux/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;
}