LXR linux/arch/powerpc/math-emu/fctiwz.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
  10int
  11fctiwz(u32 *frD, void *frB)
  12{
  13        FP_DECL_D(B);
  14        FP_DECL_EX;
  15        u32 fpscr;
  16        unsigned int r;
  17
  18        fpscr = __FPU_FPSCR;
  19        __FPU_FPSCR &= ~(3);
  20        __FPU_FPSCR |= FP_RND_ZERO;
  21
  22        FP_UNPACK_DP(B, frB);
  23        FP_TO_INT_D(r, B, 32, 1);
  24        frD[1] = r;
  25
  26        __FPU_FPSCR = fpscr;
  27
  28#ifdef DEBUG
  29        printk("%s: D %p, B %p: ", __func__, frD, frB);
  30        dump_double(frD);
  31        printk("\n");
  32#endif
  33
  34        return 0;
  35}
  36