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      1 /*
      2  * Written by J.T. Conklin <jtc (at) netbsd.org>.
      3  * Public domain.
      4  */
      5 
      6 #include <machine/asm.h>
      7 
      8 __FBSDID("$FreeBSD: src/lib/msun/i387/s_ceilf.S,v 1.2 2005/05/06 15:44:20 deischen Exp $");
      9 /* RCSID("$NetBSD: s_ceilf.S,v 1.3 1995/05/08 23:52:44 jtc Exp $") */
     10 
     11 ENTRY(ceilf)
     12 	pushl	%ebp
     13 	movl	%esp,%ebp
     14 	subl	$8,%esp
     15 
     16 	fstcw	-4(%ebp)		/* store fpu control word */
     17 	movw	-4(%ebp),%dx
     18 	orw	$0x0800,%dx		/* round towards +oo */
     19 	andw	$0xfbff,%dx
     20 	movw	%dx,-8(%ebp)
     21 	fldcw	-8(%ebp)		/* load modfied control word */
     22 
     23 	flds	8(%ebp);		/* round */
     24 	frndint
     25 
     26 	fldcw	-4(%ebp)		/* restore original control word */
     27 
     28 	leave
     29 	ret
     30