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/* libgcc routines for the FR30.
   Copyright (C) 1998, 1999, 2009 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 3, or (at your option) any
later version.

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.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */

        .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 */