release/src-rt-6.x.4708/linux/linux-2.6.36/arch/powerpc/math-emu/frsp.c

   1 #include <linux/types.h>
   2 #include <linux/errno.h>
   3 #include <asm/uaccess.h>
   4
   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>
   9
  10 int
  11 frsp(void *frD, void *frB)
  12 {
  13         FP_DECL_D(B);
  14         FP_DECL_EX;
  15
  16 #ifdef DEBUG
  17         printk("%s: D %p, B %p\n", __func__, frD, frB);
  18 #endif
  19
  20         FP_UNPACK_DP(B, frB);
  21
  22 #ifdef DEBUG
  23         printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
  24 #endif
  25
  26         __FP_PACK_DS(frD, B);
  27
  28         return FP_CUR_EXCEPTIONS;
  29 }