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/*

 * Written by J.T. Conklin .

 * Public domain.

 */

	.file	"ceil.s"

	.text

	.align 4

.globl _ceil

	.def	_ceil;	.scl	2;	.type	32;	.endef

_ceil:

	fldl	4(%esp)

	subl	$8,%esp

	fstcw	4(%esp)			/* store fpu control word */

	/* We use here %edx although only the low 1 bits are defined.

	   But none of the operations should care and they are faster

	   than the 16 bit operations.  */

	movl	$0x0800,%edx		/* round towards +oo */

	orl	4(%esp),%edx

	andl	$0xfbff,%edx

	movl	%edx,(%esp)

	fldcw	(%esp)			/* load modified control word */

	frndint				/* round */

	fldcw	4(%esp)			/* restore original control word */

	addl	$8,%esp

	ret