13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
23 */
24 /*
25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 .file "fmod.s"
30
31 #include "libm.h"
32 LIBM_ANSI_PRAGMA_WEAK(fmod,function)
33 #include "libm_synonyms.h"
34 #include "libm_protos.h"
35
36 ENTRY(fmod)
37 movl 16(%esp),%eax / eax <-- hi_32(y)
38 andl $0x7fffffff,%eax / eax <-- hi_32(|y|)
39 orl 12(%esp),%eax / eax <-- lo_32(y)|hi_32(|y|)
40 je .zero
41
42 fldl 12(%esp) / load arg y
43 fldl 4(%esp) / load arg x
44 .mod_loop:
45 fprem / partial fmod
46 fstsw %ax / store status word
47 andw $0x400,%ax / check for incomplete reduction
48 jne .mod_loop / while incomplete, do fprem again
49 fstp %st(1)
50 ret
51 .zero:
52 pushl %ebp
53 movl %esp,%ebp
|
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
23 */
24 /*
25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 .file "fmod.s"
30
31 #include "libm.h"
32 LIBM_ANSI_PRAGMA_WEAK(fmod,function)
33 #include "libm_protos.h"
34
35 ENTRY(fmod)
36 movl 16(%esp),%eax / eax <-- hi_32(y)
37 andl $0x7fffffff,%eax / eax <-- hi_32(|y|)
38 orl 12(%esp),%eax / eax <-- lo_32(y)|hi_32(|y|)
39 je .zero
40
41 fldl 12(%esp) / load arg y
42 fldl 4(%esp) / load arg x
43 .mod_loop:
44 fprem / partial fmod
45 fstsw %ax / store status word
46 andw $0x400,%ax / check for incomplete reduction
47 jne .mod_loop / while incomplete, do fprem again
48 fstp %st(1)
49 ret
50 .zero:
51 pushl %ebp
52 movl %esp,%ebp
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