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