arch/powerpc/math-emu/frsp.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/types.h>
   3 #include <linux/errno.h>
   4 #include <linux/uaccess.h>
   5
   6 #include <asm/sfp-machine.h>
   7 #include <math-emu/soft-fp.h>
   8 #include <math-emu/double.h>
   9 #include <math-emu/single.h>
  10
  11 int
  12 frsp(void *frD, void *frB)
  13 {
  14         FP_DECL_D(B);
  15         FP_DECL_EX;
  16
  17 #ifdef DEBUG
  18         printk("%s: D %p, B %p\n", __func__, frD, frB);
  19 #endif
  20
  21         FP_UNPACK_DP(B, frB);
  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         __FP_PACK_DS(frD, B);
  28
  29         return FP_CUR_EXCEPTIONS;
  30 }