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flt_rounds.S revision 1.5 
      1  1.5    perry /*	$NetBSD: flt_rounds.S,v 1.5 1998/01/09 03:45:03 perry Exp $	*/
      2  1.5    perry 
      3  1.1      jtc /*
      4  1.1      jtc  * Written by J.T. Conklin, Apr 4, 1995
      5  1.1      jtc  * Public domain.
      6  1.1      jtc  */
      7  1.1      jtc 
      8  1.1      jtc #include <machine/asm.h>
      9  1.1      jtc 
     10  1.1      jtc 	.text
     11  1.1      jtc 	.align 2
     12  1.1      jtc _map:
     13  1.2  mycroft 	.byte 1		/* round to nearest */
     14  1.2  mycroft 	.byte 3		/* round to negative infinity */
     15  1.2  mycroft 	.byte 2		/* round to positive infinity */
     16  1.2  mycroft 	.byte 0		/* round to zero */
     17  1.1      jtc 
     18  1.1      jtc ENTRY(__flt_rounds)
     19  1.1      jtc 	subl $4,%esp
     20  1.2  mycroft 	fnstcw (%esp)
     21  1.3  mycroft 	movl (%esp),%eax
     22  1.1      jtc 	shrl $10,%eax
     23  1.1      jtc 	andl $3,%eax
     24  1.4       pk #ifdef PIC
     25  1.4       pk 	PIC_PROLOGUE
     26  1.4       pk 	leal PIC_GOTOFF(_map),%ecx
     27  1.4       pk 	PIC_EPILOGUE
     28  1.4       pk 	movb (%ecx,%eax,1),%al
     29  1.4       pk #else
     30  1.2  mycroft 	movb _map(,%eax,1),%al
     31  1.4       pk #endif
     32  1.1      jtc 	addl $4,%esp
     33  1.1      jtc 	ret
     34