lib/libc/arch/i386/gen/fpgetround.S

   1 /*      $NetBSD: fpgetround.S,v 1.7 2014/05/23 02:34:19 uebayasi Exp $  */
   2
   3 /*
   4  * Written by J.T. Conklin, Apr 4, 1995
   5  * Public domain.
   6  */
   7
   8 #include <machine/asm.h>
   9
  10 /*
  11  * XXX load only x87 state.
  12  */
  13
  14 #ifdef WEAK_ALIAS
  15 WEAK_ALIAS(fpgetround, _fpgetround)
  16 ENTRY(_fpgetround)
  17 #else
  18 ENTRY(fpgetround)
  19 #endif
  20         fnstcw -4(%esp)
  21         movl -4(%esp), %eax
  22         andl $0x00000c00, %eax
  23         ret
  24 #ifdef WEAK_ALIAS
  25 END(_fpgetround)
  26 #else
  27 END(fpgetround)
  28 #endif