95 lines
1.7 KiB
C
95 lines
1.7 KiB
C
#ifndef NORCSID
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static char rcsid[] = "$Id$";
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#endif
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#include "param.h"
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#include "tables.h"
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#include "mach.h"
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*
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* Author: Hans van Staveren
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*/
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char *progname;
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extern char startupcode[];
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extern unsigned codegen();
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int maxply=1;
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#ifndef NDEBUG
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int Debug=0;
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char *strtdebug="";
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#endif
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main(argc,argv) char **argv; {
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register unsigned n;
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extern unsigned cc1,cc2,cc3,cc4;
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unsigned ggd();
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progname = argv[0];
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while (--argc && **++argv == '-') {
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switch(argv[0][1]) {
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#ifndef NDEBUG
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case 'd':
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if ((Debug = argv[0][2]) != 0) {
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Debug -= '0';
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if (argv[0][3] == '@') {
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Debug = 0;
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strtdebug = &argv[0][4];
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}
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} else
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Debug++;
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break;
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#endif
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#ifdef TABLEDEBUG
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case 'u':
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case 'U':
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initlset(argv[0]+1);
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break;
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#endif
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case 'p':
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maxply = atoi(argv[0]+2);
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break;
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case 'w': /* weight percentage for size */
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n=atoi(argv[0]+2);
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cc1 *= n;
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cc2 *= 50;
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cc3 *= (100-n);
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cc4 *= 50;
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n=ggd(cc1,cc2);
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cc1 /= n;
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cc2 /= n;
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n=ggd(cc3,cc4);
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cc3 /= n;
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cc4 /= n;
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break;
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default:
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#ifdef MACH_OPTIONS
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mach_option(argv[0]);
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#else
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error("Unknown flag %c",argv[0][1]);
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#endif
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break;
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}
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}
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if (argc > 2)
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error("Usage: %s [ EMfile ] [ asfile ]",progname);
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in_init(argc >= 1 ? argv[0] : (char *) 0);
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out_init(argc >= 2 ? argv[1] : (char *) 0);
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readcodebytes();
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itokcost();
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in_start();
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codegen(startupcode,maxply,TRUE,MAXINT,0);
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error("Bombed out of codegen");
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}
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unsigned ggd(a,b) register unsigned a,b; {
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register unsigned c;
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do {
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c = a%b; a=b; b=c;
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} while (c!=0);
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return(a);
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}
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