152 lines
2.9 KiB
C
152 lines
2.9 KiB
C
/* S H A R E D F I L E
|
|
*
|
|
* G O . C
|
|
*
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
#include "types.h"
|
|
#include "debug.h"
|
|
#include "global.h"
|
|
#include "files.h"
|
|
#include "get.h"
|
|
#include "put.h"
|
|
#include "lset.h"
|
|
#include "map.h"
|
|
#include "alloc.h"
|
|
#include "go.h"
|
|
|
|
|
|
STATIC bool report_flag = FALSE; /* report #optimizations found? */
|
|
STATIC bool core_flag = FALSE; /* report core usage? */
|
|
|
|
|
|
STATIC mach_init(machfile,phase_machinit)
|
|
char *machfile;
|
|
int (*phase_machinit)();
|
|
{
|
|
/* Read target machine dependent information */
|
|
|
|
FILE *f;
|
|
|
|
f = openfile(machfile,"r");
|
|
fscanf(f,"%d",&ws);
|
|
fscanf(f,"%d",&ps);
|
|
if (ws != ps && ps != 2*ws) error("illegal pointer size");
|
|
phase_machinit(f);
|
|
fclose(f);
|
|
}
|
|
|
|
|
|
|
|
go(argc,argv,initialize,optimize,phase_machinit,proc_flag)
|
|
int argc;
|
|
char *argv[];
|
|
int (*initialize)();
|
|
int (*optimize)();
|
|
int (*phase_machinit)();
|
|
int (*proc_flag)();
|
|
{
|
|
FILE *f, *gf, *f2, *gf2; /* The EM input and output and
|
|
* the basic block graphs input and output
|
|
*/
|
|
bblock_p g;
|
|
line_p l;
|
|
short kind;
|
|
int i;
|
|
char *p;
|
|
bool time_opt = FALSE;
|
|
|
|
linecount = 0;
|
|
for (i = ARGSTART; i < argc; i++) {
|
|
p = argv[i];
|
|
if (*p++ != '-') error("illegal argument");
|
|
switch(*p) {
|
|
case 'S':
|
|
time_opt = FALSE;
|
|
break;
|
|
case 'T':
|
|
time_opt = TRUE;
|
|
break;
|
|
case 'M':
|
|
p++;
|
|
mach_init(p,phase_machinit);
|
|
break;
|
|
case 'C':
|
|
core_flag = TRUE;
|
|
break;
|
|
case 'Q':
|
|
report_flag = TRUE;
|
|
break;
|
|
case 'V':
|
|
verbose_flag = TRUE;
|
|
break;
|
|
default:
|
|
proc_flag(p);
|
|
break;
|
|
}
|
|
}
|
|
time_space_ratio = (time_opt ? 100 : 0);
|
|
fproc = getptable(pname); /* proc table */
|
|
fdblock = getdtable(dname); /* data block table */
|
|
initialize();
|
|
if (optimize == no_action) return;
|
|
f = openfile(lname,"r");
|
|
gf = openfile(bname,"r");
|
|
f2 = openfile(lname2,"w");
|
|
gf2 = openfile(bname2,"w");
|
|
mesregs = Lempty_set();
|
|
while (getunit(gf,f,&kind,&g,&l,&curproc,TRUE)) {
|
|
/* Read the control flow graph and EM text of
|
|
* one procedure and optimize it.
|
|
*/
|
|
if (kind == LDATA) {
|
|
putunit(LDATA, (proc_p) 0, l, gf2, f2);
|
|
continue;
|
|
}
|
|
OUTTRACE("flow graph of proc %d read",curproc->p_id);
|
|
curproc->p_start = g;
|
|
/* The global variable curproc points to the
|
|
* current procedure. It is set by getgraph
|
|
*/
|
|
optimize(curproc);
|
|
putunit(LTEXT,curproc,(line_p) 0,gf2,f2);
|
|
/* output control flow graph + text */
|
|
OUTTRACE("graph of proc %d outputted",curproc->p_id);
|
|
Ldeleteset(mesregs);
|
|
mesregs = Lempty_set();
|
|
}
|
|
fclose(f);
|
|
fclose(f2);
|
|
fclose(gf);
|
|
fclose(gf2);
|
|
f = openfile(dname2,"w");
|
|
putdtable(fdblock,f);
|
|
fclose(f);
|
|
f = openfile(pname2,"w");
|
|
putptable(fproc,f,TRUE);
|
|
fclose(f);
|
|
core_usage();
|
|
}
|
|
|
|
|
|
no_action() { }
|
|
|
|
core_usage()
|
|
{
|
|
if (core_flag) {
|
|
coreusage();
|
|
}
|
|
}
|
|
|
|
report(s,n)
|
|
char *s;
|
|
int n;
|
|
{
|
|
/* Report number of optimizations found, if report_flag is set */
|
|
|
|
if (report_flag) {
|
|
fprintf(stderr,"%s: %d\n",s,n);
|
|
}
|
|
}
|