/*

 * Written by J.T. Conklin <jtc@netbsd.org>.

 * Public domain.

 */

#include <machine/asm.h>

#include <libm-alias-float.h>

RCSID("$NetBSD: s_floorf.S,v 1.3 1995/05/09 00:04:32 jtc Exp $")

ENTRY(__floorf)

	flds	4(%esp)

	subl	$32,%esp

	cfi_adjust_cfa_offset (32)

	fnstenv	4(%esp)			/* store fpu environment */

	/* 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	$0x400,%edx		/* round towards -oo */

	orl	4(%esp),%edx

	andl	$0xf7ff,%edx

	movl	%edx,(%esp)

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

	frndint				/* round */

	fldenv	4(%esp)			/* restore original environment */

	addl	$32,%esp

	cfi_adjust_cfa_offset (-32)

	ret

END (__floorf)

libm_alias_float (__floor, floor)