arch/powerpc/math-emu/fctiwz.c

   1 #include <linux/types.h>
   2 #include <linux/errno.h>
   3 #include <asm/uaccess.h>
   4
   5 #include "soft-fp.h"
   6 #include "double.h"
   7
   8 int
   9 fctiwz(u32 *frD, void *frB)
  10 {
  11         FP_DECL_D(B);
  12         u32 fpscr;
  13         unsigned int r;
  14
  15         fpscr = __FPU_FPSCR;
  16         __FPU_FPSCR &= ~(3);
  17         __FPU_FPSCR |= FP_RND_ZERO;
  18
  19         __FP_UNPACK_D(B, frB);
  20         FP_TO_INT_D(r, B, 32, 1);
  21         frD[1] = r;
  22
  23         __FPU_FPSCR = fpscr;
  24
  25 #ifdef DEBUG
  26         printk("%s: D %p, B %p: ", __func__, frD, frB);
  27         dump_double(frD);
  28         printk("\n");
  29 #endif
  30
  31         return 0;
  32 }