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s_log1pf.S revision 1.3 
      1 /*
      2  * Written by J.T. Conklin <jtc (at) netbsd.org>.
      3  * Public domain.
      4  */
      5 
      6 #include <machine/asm.h>
      7 
      8 RCSID("$Id: s_log1pf.S,v 1.3 1995/04/28 22:44:11 jtc Exp $")
      9 
     10 /*
     11  * Since the fyl2xp1 instruction has such a limited range:
     12  *	-(1 - (sqrt(2) / 2)) <= x <= sqrt(2) - 1
     13  * it's not worth trying to use it.
     14  */
     15 
     16 ENTRY(log1pf)
     17 	fldln2
     18 	flds 4(%esp)
     19 	fld1
     20 	faddp
     21 	fyl2x
     22 	ret
     23