relibc_openlibm/i387/s_ceil.S

/*
 * Written by:
 *	J.T. Conklin (jtc@netbsd.org)
 *	Public domain.
 */

#include <i387/bsd_asm.h>

ENTRY(ceil)
    pushl   %ebp
	movl	%esp,%ebp
	subl	$8,%esp

	fstcw	-4(%ebp)		/* store fpu control word */
	movw	-4(%ebp),%dx
	orw	$0x0800,%dx		/* round towards +oo */
	andw	$0xfbff,%dx
	movw	%dx,-8(%ebp)
	fldcw	-8(%ebp)		/* load modfied control word */

	fldl	8(%ebp);		/* round */
	frndint

	fldcw	-4(%ebp)		/* restore original control word */

	leave
	ret
END(ceil)

	
/* Enable stack protection */
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif