summaryrefslogtreecommitdiff
path: root/sysdeps/x86_64/fpu/s_copysignl.S
blob: 2ffd612d65eb9059fe56396c37a8f40e6e1924b0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
/*
 * Written by J.T. Conklin <jtc@netbsd.org>.
 * Changes for long double by Ulrich Drepper <drepper@cygnus.com>.
 * Adopted for x86-64 by Andreas Jaeger <aj@suse.de>.
 * Public domain.
 */

#include <machine/asm.h>

RCSID("$NetBSD: $")

ENTRY(__copysignl)
	movl	32(%rsp),%edx
	movl	16(%rsp),%eax
	andl	$0x8000,%edx
	andl	$0x7fff,%eax
	orl	%edx,%eax
	movl	%eax,16(%rsp)
	fldt	8(%rsp)
	ret
END (__copysignl)
weak_alias (__copysignl, copysignl)