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