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flt_rounds.S revision 1.1 
      1  1.1  fvdl /*	$NetBSD: flt_rounds.S,v 1.1 2001/06/19 00:25:02 fvdl Exp $	*/
      2  1.1  fvdl 
      3  1.1  fvdl /*
      4  1.1  fvdl  * Written by J.T. Conklin, Apr 4, 1995
      5  1.1  fvdl  * Public domain.
      6  1.1  fvdl  */
      7  1.1  fvdl 
      8  1.1  fvdl #include <machine/asm.h>
      9  1.1  fvdl 
     10  1.1  fvdl 	.text
     11  1.1  fvdl 	_ALIGN_TEXT
     12  1.1  fvdl _map:
     13  1.1  fvdl 	.byte 1		/* round to nearest */
     14  1.1  fvdl 	.byte 3		/* round to negative infinity */
     15  1.1  fvdl 	.byte 2		/* round to positive infinity */
     16  1.1  fvdl 	.byte 0		/* round to zero */
     17  1.1  fvdl 
     18  1.1  fvdl ENTRY(__flt_rounds)
     19  1.1  fvdl 	fnstcw -4(%rsp)
     20  1.1  fvdl 	movl -4(%rsp),%eax
     21  1.1  fvdl 	shrl $10,%eax
     22  1.1  fvdl 	andl $3,%eax
     23  1.1  fvdl #ifdef PIC
     24  1.1  fvdl 	movq PIC_GOT(_map),%rcx
     25  1.1  fvdl 	movb (%rcx,%rax,1),%al
     26  1.1  fvdl #else
     27  1.1  fvdl 	movb _map(,%rax,1),%al
     28  1.1  fvdl #endif
     29  1.1  fvdl 	ret
     30