xref: /illumos-gate/usr/src/lib/libm/amd64/src/fmodl.S (revision 5d9d9091)
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2125c28e83SPiotr Jasiukajtis/*
2225c28e83SPiotr Jasiukajtis * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
2325c28e83SPiotr Jasiukajtis */
2425c28e83SPiotr Jasiukajtis/*
2525c28e83SPiotr Jasiukajtis * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
2625c28e83SPiotr Jasiukajtis * Use is subject to license terms.
2725c28e83SPiotr Jasiukajtis */
2825c28e83SPiotr Jasiukajtis
2925c28e83SPiotr Jasiukajtis        .file "fmodl.s"
3025c28e83SPiotr Jasiukajtis
3125c28e83SPiotr Jasiukajtis#include "libm.h"
3225c28e83SPiotr JasiukajtisLIBM_ANSI_PRAGMA_WEAK(fmodl,function)
3325c28e83SPiotr Jasiukajtis
3425c28e83SPiotr Jasiukajtis	ENTRY(fmodl)
3525c28e83SPiotr Jasiukajtis	fldt	24(%rsp)		/ load arg y
3625c28e83SPiotr Jasiukajtis	fldt	8(%rsp)			/ load arg x
3725c28e83SPiotr Jasiukajtis.mod_loop:
3825c28e83SPiotr Jasiukajtis	fprem				/ partial fmod
3925c28e83SPiotr Jasiukajtis	fstsw	%ax			/ store status word
4025c28e83SPiotr Jasiukajtis	andw	$0x400,%ax		/ check for incomplete reduction
4125c28e83SPiotr Jasiukajtis	jne	.mod_loop		/ while incomplete, do fprem again
4225c28e83SPiotr Jasiukajtis	fstp	%st(1)
4325c28e83SPiotr Jasiukajtis	ret
4425c28e83SPiotr Jasiukajtis	.align	16
4525c28e83SPiotr Jasiukajtis	SET_SIZE(fmodl)
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