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- /* libgcc1 routines for 68000 w/o floating-point hardware.
- Copyright (C) 1994, 1996, 1997, 1998 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. */
- /* 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. */
- /* Use this one for any 680x0; assumes no floating point hardware.
- The trailing " '" appearing on some lines is for ANSI preprocessors. Yuk.
- Some of this code comes from MINIX, via the folks at ericsson.
- D. V. Henkel-Wallace (gumby@cygnus.com) Fete Bastille, 1992
- */
- /* These are predefined by new versions of GNU cpp. */
- #ifndef __USER_LABEL_PREFIX__
- #define __USER_LABEL_PREFIX__ _
- #endif
- #ifndef __REGISTER_PREFIX__
- #define __REGISTER_PREFIX__
- #endif
- #ifndef __IMMEDIATE_PREFIX__
- #define __IMMEDIATE_PREFIX__ #
- #endif
- /* ANSI concatenation macros. */
- #define CONCAT1(a, b) CONCAT2(a, b)
- #define CONCAT2(a, b) a ## b
- /* Use the right prefix for global labels. */
- #define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
- /* Use the right prefix for registers. */
- #define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
- /* Use the right prefix for immediate values. */
- #define IMM(x) CONCAT1 (__IMMEDIATE_PREFIX__, x)
- #define d0 REG (d0)
- #define d1 REG (d1)
- #define d2 REG (d2)
- #define d3 REG (d3)
- #define d4 REG (d4)
- #define d5 REG (d5)
- #define d6 REG (d6)
- #define d7 REG (d7)
- #define a0 REG (a0)
- #define a1 REG (a1)
- #define a2 REG (a2)
- #define a3 REG (a3)
- #define a4 REG (a4)
- #define a5 REG (a5)
- #define a6 REG (a6)
- #define fp REG (fp)
- #define sp REG (sp)
- .text
- .proc
- .globl SYM (__umodsi3)
- SYM (__umodsi3):
- movel sp@(8), d1 /* d1 = divisor */
- movel sp@(4), d0 /* d0 = dividend */
- movel d1, sp@-
- movel d0, sp@-
- jbsr SYM (__udivsi3)
- addql IMM (8), sp
- movel sp@(8), d1 /* d1 = divisor */
- #if !(defined(__mcf5200__) || defined(__mcoldfire__))
- movel d1, sp@-
- movel d0, sp@-
- jbsr SYM (__mulsi3) /* d0 = (a/b)*b */
- addql IMM (8), sp
- #else
- mulsl d1,d0
- #endif
- movel sp@(4), d1 /* d1 = dividend */
- subl d0, d1 /* d1 = a - (a/b)*b */
- movel d1, d0
- rts
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