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/* libgcc1 routines for the FR30.
Copyright (C) 1998, 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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 with other programs, and to distribute
those programs 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 another program.)
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, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* As a special exception, if you link this library with files
compiled with GCC to produce an executable, this does not cause
the resulting executable to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
.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 */
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