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/* libgcc routines for the FR30.
   Copyright (C) 1998, 1999 Free Software Foundation, Inc.
 
This file is part of GCC.
 
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
 
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file.  (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)
 
This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING.  If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.  */
 
        .macro FUNC_START name
        .text
        .globl __\name
        .type  __\name, @function
__\name:
        .endm
 
        .macro FUNC_END name
        .size  __\name, . - __\name
        .endm
 
        .macro DIV_BODY reg number
        .if \number
        DIV_BODY  \reg, "\number - 1"
        div1    \reg
        .endif
        .endm
 
#ifdef L_udivsi3
FUNC_START udivsi3
        ;; Perform an unsiged division of r4 / r5 and place the result in r4.
        ;; Does not handle overflow yet...
        mov     r4, mdl
        div0u   r5
        DIV_BODY r5 32
        mov     mdl, r4
        ret
FUNC_END udivsi3
#endif /* L_udivsi3 */
 
#ifdef L_divsi3
FUNC_START divsi3
        ;; Perform a siged division of r4 / r5 and place the result in r4.
        ;; Does not handle overflow yet...
        mov     r4, mdl
        div0s   r5
        DIV_BODY r5 32
        div2    r5
        div3
        div4s
        mov     mdl, r4
        ret
FUNC_END divsi3
#endif /* L_divsi3 */
 
#ifdef L_umodsi3
FUNC_START umodsi3
        ;; Perform an unsiged division of r4 / r5 and places the remainder in r4.
        ;; Does not handle overflow yet...
        mov     r4, mdl
        div0u   r5
        DIV_BODY r5 32
        mov     mdh, r4
        ret
FUNC_END umodsi3
#endif /* L_umodsi3 */
 
#ifdef L_modsi3
FUNC_START modsi3
        ;; Perform a siged division of r4 / r5 and place the remainder in r4.
        ;; Does not handle overflow yet...
        mov     r4, mdl
        div0s   r5
        DIV_BODY r5 32
        div2    r5
        div3
        div4s
        mov     mdh, r4
        ret
FUNC_END modsi3
#endif /* L_modsi3 */
 
#ifdef L_negsi2
FUNC_START negsi2
        ldi:8   #0, r0
        sub     r4, r0
        mov     r0, r4
        ret
FUNC_END negsi2
#endif /* L_negsi2 */
 
#ifdef L_one_cmplsi2
FUNC_START one_cmplsi2
        ldi:8   #0xff, r0
        extsb   r0
        eor     r0, r4
        ret
FUNC_END one_cmplsi2
#endif /* L_one_cmplsi2 */
 
 

Line No.	Rev	Author	Line
1	38	julius	`/* libgcc routines for the FR30.`
2			`Copyright (C) 1998, 1999 Free Software Foundation, Inc.`
3
4			`This file is part of GCC.`
5
6			`GCC is free software; you can redistribute it and/or modify it`
7			`under the terms of the GNU General Public License as published by the`
8			`Free Software Foundation; either version 2, or (at your option) any`
9			`later version.`
10
11			`In addition to the permissions in the GNU General Public License, the`
12			`Free Software Foundation gives you unlimited permission to link the`
13			`compiled version of this file into combinations with other programs,`
14			`and to distribute those combinations without any restriction coming`
15			`from the use of this file. (The General Public License restrictions`
16			`do apply in other respects; for example, they cover modification of`
17			`the file, and distribution when not linked into a combine`
18			`executable.)`
19
20			`This file is distributed in the hope that it will be useful, but`
21			`WITHOUT ANY WARRANTY; without even the implied warranty of`
22			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU`
23			`General Public License for more details.`
24
25			`You should have received a copy of the GNU General Public License`
26			`along with this program; see the file COPYING. If not, write to`
27			`the Free Software Foundation, 51 Franklin Street, Fifth Floor,`
28			`Boston, MA 02110-1301, USA. */`
29
30			`.macro FUNC_START name`
31			`.text`
32			`.globl __\name`
33			`.type __\name, @function`
34			`__\name:`
35			`.endm`
36
37			`.macro FUNC_END name`
38			`.size __\name, . - __\name`
39			`.endm`
40
41			`.macro DIV_BODY reg number`
42			`.if \number`
43			`DIV_BODY \reg, "\number - 1"`
44			`div1 \reg`
45			`.endif`
46			`.endm`
47
48			`#ifdef L_udivsi3`
49			`FUNC_START udivsi3`
50			`;; Perform an unsiged division of r4 / r5 and place the result in r4.`
51			`;; Does not handle overflow yet...`
52			`mov r4, mdl`
53			`div0u r5`
54			`DIV_BODY r5 32`
55			`mov mdl, r4`
56			`ret`
57			`FUNC_END udivsi3`
58			`#endif /* L_udivsi3 */`
59
60			`#ifdef L_divsi3`
61			`FUNC_START divsi3`
62			`;; Perform a siged division of r4 / r5 and place the result in r4.`
63			`;; Does not handle overflow yet...`
64			`mov r4, mdl`
65			`div0s r5`
66			`DIV_BODY r5 32`
67			`div2 r5`
68			`div3`
69			`div4s`
70			`mov mdl, r4`
71			`ret`
72			`FUNC_END divsi3`
73			`#endif /* L_divsi3 */`
74
75			`#ifdef L_umodsi3`
76			`FUNC_START umodsi3`
77			`;; Perform an unsiged division of r4 / r5 and places the remainder in r4.`
78			`;; Does not handle overflow yet...`
79			`mov r4, mdl`
80			`div0u r5`
81			`DIV_BODY r5 32`
82			`mov mdh, r4`
83			`ret`
84			`FUNC_END umodsi3`
85			`#endif /* L_umodsi3 */`
86
87			`#ifdef L_modsi3`
88			`FUNC_START modsi3`
89			`;; Perform a siged division of r4 / r5 and place the remainder in r4.`
90			`;; Does not handle overflow yet...`
91			`mov r4, mdl`
92			`div0s r5`
93			`DIV_BODY r5 32`
94			`div2 r5`
95			`div3`
96			`div4s`
97			`mov mdh, r4`
98			`ret`
99			`FUNC_END modsi3`
100			`#endif /* L_modsi3 */`
101
102			`#ifdef L_negsi2`
103			`FUNC_START negsi2`
104			`ldi:8 #0, r0`
105			`sub r4, r0`
106			`mov r0, r4`
107			`ret`
108			`FUNC_END negsi2`
109			`#endif /* L_negsi2 */`
110
111			`#ifdef L_one_cmplsi2`
112			`FUNC_START one_cmplsi2`
113			`ldi:8 #0xff, r0`
114			`extsb r0`
115			`eor r0, r4`
116			`ret`
117			`FUNC_END one_cmplsi2`
118			`#endif /* L_one_cmplsi2 */`
119
120

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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [config/] [fr30/] [lib1funcs.asm] - Blame information for rev 310