summaryrefslogtreecommitdiff
path: root/sysdeps/i386/fpu/s_nearbyint.S
blob: 8da8ae9792708f4e640f0b181ca8f440b320d973 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
/*
 * Written by J.T. Conklin <jtc@netbsd.org>.
 * Public domain.
 */
/* Adapted for use as nearbyint by Ulrich Drepper <drepper@cygnus.com>.  */

#include <machine/asm.h>

ENTRY(__nearbyint)
	fldl	4(%esp)
	subl	$32, %esp
	cfi_adjust_cfa_offset (32)
	fnstenv	4(%esp)
	movl	4(%esp), %eax
	orl	$0x20, %eax
	movl	%eax, (%esp)
	fldcw	(%esp)
	frndint
	fldenv	4(%esp)
	addl	$32, %esp
	cfi_adjust_cfa_offset (-32)
	ret
END (__nearbyint)
weak_alias (__nearbyint, nearbyint)