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ego now builds and is used.

Browse source 
This needed lots of refactoring to ego --- not all platforms have ego descr
files, and ego will just crash if you invoke it without one. I think originally
it was never intended that these platforms would be used at -O2 or above.

Plats now only specify the ego descr file if they have one.
This commit is contained in:
David Given 2016-08-21 22:01:19 +02:00
parent 08823a172c
commit 5bae29a00c
19 changed files with 461 additions and 262 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
build.lua
View file

@ -2,7 +2,7 @@ vars.cflags = {
"-g", "-O"
}
vars.ackcflags = {
"-O"
"-O6"
}
vars.plats = {
"cpm",
@ -27,6 +27,7 @@ installable {
"util/ack+pkg",
"util/amisc+pkg",
"util/arch+pkg",
"util/ego+pkg",
"util/led+pkg",
"util/misc+pkg",
"util/opt+pkg",

15
lib/descr/fe
View file

@ -206,19 +206,6 @@ name ego
to .gk
program {EM}/lib/ack/em_ego
mapflag -EGO-* EGO_F={EGO_F?} -*
# The following lines are obsolete, but here for backwards compatibility.
# They should be removed some day.
mapflag -IL* EGO_F={EGO_F?} -IL*
mapflag -CS* EGO_F={EGO_F?} -CS*
mapflag -SR* EGO_F={EGO_F?} -SR*
mapflag -UD* EGO_F={EGO_F?} -UD*
mapflag -LV* EGO_F={EGO_F?} -LV*
mapflag -SA* EGO_F={EGO_F?} -RA*
mapflag -SP* EGO_F={EGO_F?} -SP*
mapflag -BO* EGO_F={EGO_F?} -BO*
mapflag -CJ* EGO_F={EGO_F?} -CJ*
mapflag -EV EGO_F={EGO_F?} -V
# End of obsolete lines
mapflag -Q* EGO_F={EGO_F?} -Q*
mapflag -T* EGO_F={EGO_F?} -T*
mapflag -S* EGO_F={EGO_F?} -S*
@ -227,7 +214,7 @@ name ego
mapflag -O* EGO_F={EGO_F?} -O*
args \
{EGO_F?} -P {EM}/lib/ack/ego \
-M{EM}/share/ack/ego/{ARCH}.descr <
{EGO_PLAT_FLAGS?} <
optimizer 2
stdout
combiner

2
plat/build.lua
View file

@ -20,6 +20,7 @@ definerule("ackfile",
"lang/pc/comp+pkg",
"plat/"..plat.."+tools",
"util/ack+pkg",
"util/ego+pkg",
"util/misc+pkg",
e.deps
},
@ -67,7 +68,6 @@ definerule("ackprogram",
"plat/"..e.vars.plat.."+pkg",
"util/ack+pkg",
"util/led+pkg",
"util/amisc+pkg",
e.deps
},
_clibrary = acklibrary,

1
plat/linux386/descr
View file

@ -26,6 +26,7 @@ var C_LIB={PLATFORMDIR}/libc-ansi.a
var CC_ALIGN=-Vr
var OLD_C_LIB={C_LIB}
var MACHOPT_F=-m10
var EGO_PLAT_FLAGS=-M{EM}/share/ack/ego/{ARCH}.descr
# Override the setting in fe so that files compiled for linux386 can see
# the platform-specific headers.

1
plat/linux68k/descr
View file

@ -26,6 +26,7 @@ var C_LIB={PLATFORMDIR}/libc-ansi.a
var CC_ALIGN=-Vr
var OLD_C_LIB={C_LIB}
var MACHOPT_F=-ml10
var EGO_PLAT_FLAGS=-M{EM}/share/ack/ego/{ARCH}.descr
# Override the setting in fe so that files compiled for linux68k can see
# the platform-specific headers.

1
plat/pc86/descr
View file

@ -22,6 +22,7 @@ var PLATFORMDIR={EM}/share/ack/{PLATFORM}
var CPP_F=-D__unix
var ALIGN=-a0:1 -a1:1 -a2:1 -a3:1
var MACHOPT_F=-m8
var EGO_PLAT_FLAGS=-M{EM}/share/ack/ego/{ARCH}.descr
# Override the setting in fe so that files compiled for this platform can see
# the platform-specific headers.

58
util/ego/build.lua Normal file
View file

@ -0,0 +1,58 @@
local function build_ego(name)
cprogram {
name = name,
srcs = { "./"..name.."/*.c" },
deps = {
"util/ego/share+lib",
"modules/src/em_data+lib",
"h+emheaders",
},
vars = {
["+cflags"] = {"-DVERBOSE", "-DNOTCOMPACT"}
}
}
end
build_ego("bo")
build_ego("ca")
build_ego("cf")
build_ego("cj")
build_ego("cs")
build_ego("ic")
build_ego("il")
build_ego("lv")
build_ego("sp")
build_ego("sr")
build_ego("ud")
cprogram {
name = "em_ego",
srcs = { "./em_ego/em_ego.c" },
deps = {
"modules/src/print+lib",
"modules/src/string+lib",
"modules/src/system+lib",
"modules+headers",
"h+emheaders",
}
}
installable {
name = "pkg",
map = {
["$(PLATDEP)/em_ego"] = "+em_ego",
["$(PLATDEP)/ego/bo"] = "+bo",
["$(PLATDEP)/ego/ca"] = "+ca",
["$(PLATDEP)/ego/cf"] = "+cf",
["$(PLATDEP)/ego/cj"] = "+cj",
["$(PLATDEP)/ego/cs"] = "+cs",
["$(PLATDEP)/ego/ic"] = "+ic",
["$(PLATDEP)/ego/il"] = "+il",
["$(PLATDEP)/ego/lv"] = "+lv",
["$(PLATDEP)/ego/ra"] = "./ra+ra",
["$(PLATDEP)/ego/sp"] = "+sp",
["$(PLATDEP)/ego/sr"] = "+sr",
["$(PLATDEP)/ego/ud"] = "+ud",
"./descr+pkg",
}
}

38
util/ego/ca/ca.c
View file

@ -220,24 +220,50 @@ main(argc, argv) int argc;
char* argv[];
{
/* CA does not output proctable etc. files. Instead, its
* pname2 and dname2 arguments contain the names of the
* pname_out and dname_out arguments contain the names of the
* dump files created by IC.
*/
struct files* files = findfiles(argc, argv);
FILE* f, *f2; /* The EM input and output. */
FILE* df, *pf; /* The dump files */
line_p lnp;
fproc = getptable(pname); /* proc table */
fdblock = getdtable(dname); /* data block table */
/* The names of the input files of every phase are passed as
* arguments to the phase. First come the input file names,
* then the output file names. We use a one-letter convention
* to denote the type of file:
* p: procedure table file
* d: data table file
* l: EM text file (lines of EM instructions)
* b: basic block file (Control Flow Graph file)
*/
/* The input file names */
char* pname_in = argv[1];
char* dname_in = argv[2];
char* lname_in = argv[3];
char* bname_in = argv[4];
/* The output file names */
char* pname_out = argv[5];
char* dname_out = argv[6];
char* lname_out = argv[7];
char* bname_out = argv[8];
fproc = getptable(pname_in); /* proc table */
fdblock = getdtable(dname_in); /* data block table */
dlength = makedmap(fdblock); /* allocate dmap table */
df = openfile(dname2, "r");
df = openfile(dname_out, "r");
getdnames(df);
fclose(df);
pf = openfile(pname2, "r");
pf = openfile(pname_out, "r");
getpnames(pf);
fclose(pf);
uniq_names();
f = openfile(lname, "r");
f = openfile(lname_in, "r");
f2 = stdout;
cputmagic(f2); /* write magic number */
while ((lnp = get_ca_lines(f, &curproc)) != (line_p)0)

48
util/ego/cf/cf.c
View file

@ -530,22 +530,46 @@ char* argv[];
short n, kind;
line_p l;
/* The names of the input files of every phase are passed as
* arguments to the phase. First come the input file names,
* then the output file names. We use a one-letter convention
* to denote the type of file:
* p: procedure table file
* d: data table file
* l: EM text file (lines of EM instructions)
* b: basic block file (Control Flow Graph file)
*/
/* The input file names */
char* pname_in = argv[1];
char* dname_in = argv[2];
char* lname_in = argv[3];
char* bname_in = argv[4];
/* The output file names */
char* pname_out = argv[5];
char* dname_out = argv[6];
char* lname_out = argv[7];
char* bname_out = argv[8];
linecount = 0;
fproc = getptable(pname); /* proc table */
fdblock = getdtable(dname); /* data block table */
fproc = getptable(pname_in); /* proc table */
fdblock = getdtable(dname_in); /* data block table */
lpi_set = Cempty_set(plength);
cai_set = Cempty_set(plength);
if ((f = fopen(lname, "r")) == NULL)
if ((f = fopen(lname_in, "r")) == NULL)
{
error("cannot open %s", lname);
error("cannot open %s", lname_in);
}
if ((f2 = fopen(lname2, "w")) == NULL)
if ((f2 = fopen(lname_out, "w")) == NULL)
{
error("cannot open %s", lname2);
error("cannot open %s", lname_out);
}
if ((gf2 = fopen(bname2, "w")) == NULL)
if ((gf2 = fopen(bname_out, "w")) == NULL)
{
error("cannot open %s", bname2);
error("cannot open %s", bname_out);
}
while (getbblocks(f, &kind, &n, &g, &l))
{
@ -581,14 +605,14 @@ char* argv[];
/* Compute transitive closure of used/changed
* variables information for every procedure.
*/
if ((f = fopen(dname2, "w")) == NULL)
if ((f = fopen(dname_out, "w")) == NULL)
{
error("cannot open %s", dname2);
error("cannot open %s", dname_out);
}
putdtable(fdblock, f);
if ((f = fopen(pname2, "w")) == NULL)
if ((f = fopen(pname_out, "w")) == NULL)
{
error("cannot open %s", pname2);
error("cannot open %s", pname_out);
}
putptable(fproc, f, TRUE);
exit(0);

30
util/ego/descr/build.lua Normal file
View file

@ -0,0 +1,30 @@
local installmap = {}
local function build_descr(name)
local descr = normalrule {
name = name,
ins = {
"lang/cem/cpp.ansi+cpp",
"./"..name..".descr",
"./descr.sed",
matching(filenamesof("modules/src/em_data+lib"), "em_mnem%.h$"),
},
outleaves = { name..".descr" },
commands = {
"%{ins[1]} -P -I%{dirname(ins[4])} %{ins[2]} > %{dir}/temp",
"sed -f %{ins[3]} < %{dir}/temp > %{outs}"
}
}
installmap["$(PLATIND)/ego/"..name..".descr"] = descr
end
build_descr("i386")
build_descr("i86")
build_descr("m68020")
installable {
name = "pkg",
map = installmap
}

266
util/ego/em_ego/em_ego.c
View file

@ -4,38 +4,54 @@
optimizer itself one day ...
*/
#include <em_path.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
#include <signal.h>
#include <system.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <string.h>
#include "em_path.h"
#include "system.h"
#include "print.h"
#define IC 1
#define CF 2
#define IL 3
#define CS 4
#define SR 5
#define UD 6
#define LV 7
#define RA 8
#define SP 9
#define BO 10
#define CJ 11
#define CA 12
enum
{
NONE = 0,
IC,
CF,
IL,
CS,
SR,
UD,
LV,
RA,
SP,
BO,
CJ,
CA
};
static char* phnames[] = {
0,
"ic",
"cf",
"il",
"cs",
"sr",
"ud",
"lv",
"ra",
"sp",
"bo",
"cj",
"ca",
0
static const struct
{
const char* name;
bool needsdescr;
} phase_data[] = {
{},
{ "ic" },
{ "cf" },
{ "il" },
{ "cs", true },
{ "sr" },
{ "ud", true },
{ "lv" },
{ "ra" },
{ "sp" },
{ "bo" },
{ "cj" },
{ "ca" },
};
#define MAXUPHASES 64 /* max # of phases to be run */
@ -77,8 +93,9 @@ static int keeptemps = 0;
static char** phase_args;
static int nphase_args;
static char* opt_dir;
static char* prog_name;
static const char* descr_file;
static const char* opt_dir;
static const char* prog_name;
static int v_flag;
@ -93,7 +110,7 @@ cleanup()
for (i = NTEMPS * 2; i > 0; i--)
{
register char* f = phargs[i];
const char* f = phargs[i];
if (f != 0 && *f != '\0' && *f != '-')
(void)unlink(f);
}
@ -167,8 +184,8 @@ get_infiles()
/* Make output temps from previous phase input temps of next phase. */
register int i;
register char** dst = &phargs[1];
register char** src = &phargs[NTEMPS + 1];
char** dst = &phargs[1];
char** src = &phargs[NTEMPS + 1];
for (i = 1; i <= NTEMPS; i++)
{
@ -184,7 +201,7 @@ new_outfiles()
static char dig1 = '1';
static char dig2 = '0';
register int i;
register char** dst = &phargs[NTEMPS + 1];
char** dst = &phargs[NTEMPS + 1];
if (!Bindex)
{
@ -219,14 +236,21 @@ static void
char buf[256];
int pid, status;
/* Skip this phase if it requires a descr file and one hasn't been
* provided. */
if (phase_data[phase].needsdescr && !descr_file)
return;
phargs[0] = buf;
(void)strcpy(buf, opt_dir);
(void)strcat(buf, "/");
(void)strcat(buf, phnames[phase]);
(void)strcat(buf, phase_data[phase].name);
switch (phase)
{
case IC:
/* always first */
phargs[1] = pdump;
phargs[2] = ddump;
for (i = 3; i <= NTEMPS; i++)
@ -237,6 +261,7 @@ static void
break;
case CA:
/* always last */
old_infiles();
get_infiles();
phargs[NTEMPS + 1] = pdump;
@ -248,20 +273,24 @@ static void
break;
default:
{
old_infiles();
get_infiles();
new_outfiles();
if (!flags_added)
argc = 2 * NTEMPS + 1;
if (descr_file)
{
flags_added = 1;
argc = 2 * NTEMPS + 1;
while (--nphase_args >= 0)
{
phargs[argc++] = *phase_args++;
}
phargs[argc] = 0;
phargs[argc++] = "-M";
phargs[argc++] = descr_file;
}
for (i=0; i<nphase_args; i++)
phargs[argc++] = phase_args[i];
phargs[argc] = NULL;
break;
}
}
if ((pid = fork()) < 0)
{
@ -300,10 +329,10 @@ static void
}
}
main(argc, argv) int argc;
char* argv[];
int main(int argc, char* argv[])
{
register int i = 0;
int opt;
int i;
if (signal(SIGHUP, catch) == SIG_IGN)
(void)signal(SIGHUP, SIG_IGN);
@ -312,113 +341,58 @@ char* argv[];
if (signal(SIGINT, catch) == SIG_IGN)
(void)signal(SIGINT, SIG_IGN);
prog_name = argv[0];
nphase_args = 0;
phase_args = &argv[1];
while (--argc > 0)
opterr = 0;
for (;;)
{
argv++;
if (argv[0][0] == '-')
int opt = getopt(argc, argv, "-M:P:O:vt");
if (opt == -1)
break;
switch (opt)
{
switch (argv[0][1])
case 'M':
descr_file = optarg;
break;
case 'P':
opt_dir = optarg;
break;
case 'O':
{
case 'P':
if (argv[0][2] == '\0')
{
opt_dir = argv[1];
argc--;
argv++;
continue;
}
break;
case 't':
if (argv[0][2] == '\0')
{
keeptemps = 1;
/* no continue; IL also needs this */
}
break;
case 'v':
v_flag = 1;
break;
case 'O':
if (argv[0][2] == '2' || argv[0][2] == '\0')
continue;
if (argv[0][2] == '3')
{
Ophase = &O3phases[0];
continue;
}
Ophase = &O4phases[0];
continue;
case 'I':
if (!strcmp(&argv[0][1], "IL"))
{
add_uphase(IL);
add_uphase(CF);
continue;
}
break;
case 'B':
if (!strcmp(&argv[0][1], "BO"))
{
add_uphase(BO);
continue;
}
break;
case 'R':
if (!strcmp(&argv[0][1], "RA"))
{
add_uphase(RA);
continue;
}
break;
case 'U':
if (!strcmp(&argv[0][1], "UD"))
{
add_uphase(UD);
continue;
}
break;
case 'L':
if (!strcmp(&argv[0][1], "LV"))
{
add_uphase(LV);
continue;
}
break;
case 'C':
if (!strcmp(&argv[0][1], "CS"))
{
add_uphase(CS);
continue;
}
if (!strcmp(&argv[0][1], "CJ"))
{
add_uphase(CJ);
continue;
}
break;
case 'S':
if (!strcmp(&argv[0][1], "SR"))
{
add_uphase(SR);
continue;
}
if (!strcmp(&argv[0][1], "SP"))
{
add_uphase(SP);
continue;
}
int o = atoi(optarg);
if (o <= 2)
break;
if (o <= 3)
Ophase = &O3phases[0];
Ophase = &O4phases[0];
break;
}
phase_args[i++] = argv[0];
}
else
{
add_file(argv[0]);
case 1:
add_file(optarg);
break;
case 't':
keeptemps = 1;
goto addopt;
case 'v':
v_flag = 1;
goto addopt;
case '?':
addopt:
phase_args[nphase_args++] = argv[optind - 1];
break;
}
}
phase_args[i] = 0;
nphase_args = i;
phase_args[nphase_args] = 0;
if (nuphases)
Ophase = uphases;

27
util/ego/ic/ic.c
View file

@ -72,13 +72,26 @@ char* argv[];
* - ddump: the names of all data blocks
*/
FILE* lfile, *dfile, *pfile, *pdump, *ddump;
/* The input file names */
const char* pdump_out = argv[1];
const char* ddump_out = argv[2];
/* The output file names */
const char* pname_out = argv[5];
const char* dname_out = argv[6];
const char* lname_out = argv[7];
FILE* lfile = openfile(lname_out, "w");
FILE* pdump = openfile(pdump_out, "w");
FILE* ddump = openfile(ddump_out, "w");
FILE* dfile;
FILE* pfile;
lfile = openfile(lname2, "w");
pdump = openfile(argv[1], "w");
ddump = openfile(argv[2], "w");
hol0_db = block_of_lab((char*)0);
while (next_file(argc, argv) != NULL)
while (next_file(argc-8, argv+8) != NULL)
{
/* Read all EM input files, process the code
* and concatenate all output.
@ -104,9 +117,9 @@ char* argv[];
cleanprocs(prochash, NPROCHASH, 0);
cleandblocks(symhash, NSYMHASH, 0);
/* Now write the datablock table and the proctable */
dfile = openfile(dname2, "w");
dfile = openfile(dname_out, "w");
putdtable(fdblock, dfile);
pfile = openfile(pname2, "w");
pfile = openfile(pname_out, "w");
putptable(fproc, pfile, FALSE);
exit(0);
}

2
util/ego/ic/ic_lib.c
View file

@ -224,7 +224,7 @@ STATIC bool read_hdr()
return 1;
}
STATIC int argcnt = ARGSTART - 1;
STATIC int argcnt = 0;
STATIC short arstate = NO_ARCHIVE;
FILE* next_file(argc, argv) int argc;

9
util/ego/il/il.c
View file

@ -325,6 +325,7 @@ il_flags(p) char* p;
main(argc, argv) int argc;
char* argv[];
{
struct files* files = findfiles(argc, argv);
FILE* f;
go(argc, argv, no_action, no_action, no_action, il_flags);
@ -337,14 +338,14 @@ char* argv[];
mktemp(ccname);
mktemp(sname);
mktemp(cname2);
pass1(lname, bname, cname); /* grep calls, analyse procedures */
pass1(files->lname_in, files->bname_in, cname); /* grep calls, analyse procedures */
space = total_size * space / 100;
pass2(cname, space); /* select calls to be expanded */
pass3(lname, lname2); /* do substitutions */
f = openfile(dname2, "w");
pass3(files->lname_in, files->lname_out); /* do substitutions */
f = openfile(files->dname_out, "w");
il_cleanptab(fproc); /* remove extended data structures */
putdtable(fdblock, f);
f = openfile(pname2, "w");
f = openfile(files->pname_out, "w");
putptable(fproc, f, FALSE);
report("inline substitutions", Ssubst);
#ifdef VERBOSE

32
util/ego/ra/build.lua Normal file
View file

@ -0,0 +1,32 @@
cprogram {
name = "makeitems",
srcs = { "./makeitems.c" }
}
normalrule {
name = "itemtab_h",
ins = {
"+makeitems",
matching(filenamesof("modules/src/em_data+lib"), "em_mnem%.h$"),
"./itemtab.src"
},
outleaves = { "itemtab.h" },
commands = {
"%{ins} > %{outs}"
}
}
cprogram {
name = "ra",
srcs = { "./ra*.c" },
deps = {
"util/ego/share+lib",
"modules/src/em_data+lib",
"h+emheaders",
"+itemtab_h",
},
vars = {
["+cflags"] = {"-DVERBOSE", "-DNOTCOMPACT"}
}
}

40
util/ego/share/files.c
View file

@ -9,9 +9,45 @@
*/
#include <stdio.h>
#include "files.h"
FILE *openfile(name,mode)
char *name,*mode;
struct files* findfiles(int argc, const char** argv)
{
static struct files files;
/* The names of the input files of every phase are passed as
* arguments to the phase. First come the input file names,
* then the output file names. We use a one-letter convention
* to denote the type of file:
* p: procedure table file
* d: data table file
* l: EM text file (lines of EM instructions)
* b: basic block file (Control Flow Graph file)
*/
/* The input file names */
files.pname_in = argv[1];
files.dname_in = argv[2];
files.lname_in = argv[3];
files.bname_in = argv[4];
/* The output file names */
files.pname_out = argv[5];
files.dname_out = argv[6];
files.lname_out = argv[7];
files.bname_out = argv[8];
/* The rest of the arguments. */
files.argv = argv + 8;
files.argc = argc - 8;
return &files;
}
FILE *openfile(char* name, char* mode)
{
FILE *f;

30
util/ego/share/files.h
View file

@ -15,21 +15,29 @@
* b: basic block file (Control Flow Graph file)
*/
/* The input file names */
struct files
{
/* Input files */
#define pname argv[1]
#define dname argv[2]
#define lname argv[3]
#define bname argv[4]
const char* pname_in;
const char* dname_in;
const char* lname_in;
const char* bname_in;
/* The output file names */
/* Output files */
#define pname2 argv[5]
#define dname2 argv[6]
#define lname2 argv[7]
#define bname2 argv[8]
const char* pname_out;
const char* dname_out;
const char* lname_out;
const char* bname_out;
#define ARGSTART 9
/* The rest of the arguments. */
const char** argv;
int argc;
};
extern struct files* findfiles(int argc, const char** argv);
extern FILE *openfile(); /* (char *name, *mode)
* Open a file with the given name

63
util/ego/share/go.c
View file

@ -10,24 +10,24 @@
*/
#include <stdio.h>
#include <unistd.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"
#include "files.h"
STATIC bool report_flag = FALSE; /* report #optimizations found? */
#ifdef DEBUG
STATIC bool core_flag = FALSE; /* report core usage? */
#endif
STATIC mach_init(machfile, phase_machinit) char* machfile;
int (*phase_machinit)();
static mach_init(char* machfile, int (*phase_machinit)())
{
/* Read target machine dependent information */
@ -42,13 +42,10 @@ int (*phase_machinit)();
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)();
void go(int argc, const char** argv,
int (*initialize)(), int (*optimize)(), int (*phase_machinit)(), int (*proc_flag)())
{
struct files* files = findfiles(argc, argv);
FILE* f, *gf, *f2, *gf2; /* The EM input and output and
* the basic block graphs input and output
*/
@ -60,49 +57,56 @@ int (*proc_flag)();
bool time_opt = TRUE;
linecount = 0;
for (i = ARGSTART; i < argc; i++)
opterr = 0;
for (;;)
{
p = argv[i];
if (*p++ != '-')
error("illegal argument");
switch (*p)
int opt = getopt(files->argc, files->argv, "STM:CQV");
if (opt == -1)
break;
switch (opt)
{
case 'S':
time_opt = FALSE;
break;
case 'T':
time_opt = TRUE;
break;
case 'M':
p++;
mach_init(p, phase_machinit);
mach_init(optarg, phase_machinit);
break;
case 'C':
#ifdef DEBUG
core_flag = TRUE;
#endif
break;
case 'Q':
report_flag = TRUE;
break;
case 'V':
verbose_flag = TRUE;
break;
default:
(*proc_flag)(p);
case '?':
proc_flag(argv[optind - 1]);
break;
}
}
time_space_ratio = (time_opt ? 100 : 0);
fproc = getptable(pname); /* proc table */
fdblock = getdtable(dname); /* data block table */
fproc = getptable(files->pname_in); /* proc table */
fdblock = getdtable(files->dname_in); /* 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");
f = openfile(files->lname_in, "r");
gf = openfile(files->bname_in, "r");
f2 = openfile(files->lname_out, "w");
gf2 = openfile(files->bname_out, "w");
mesregs = Lempty_set();
while (getunit(gf, f, &kind, &g, &l, &curproc, TRUE))
{
@ -130,18 +134,18 @@ int (*proc_flag)();
fclose(f2);
fclose(gf);
fclose(gf2);
f = openfile(dname2, "w");
f = openfile(files->dname_out, "w");
putdtable(fdblock, f);
/* fclose(f); done by putdtable */
f = openfile(pname2, "w");
f = openfile(files->pname_out, "w");
putptable(fproc, f, TRUE);
/* fclose(f); done by putptable */
core_usage();
}
no_action() {}
int no_action() {}
core_usage()
void core_usage(void)
{
#ifdef DEBUG
if (core_flag)
@ -151,8 +155,7 @@ core_usage()
#endif
}
report(s, n) char* s;
int n;
void report(char* s, int n)
{
/* Report number of optimizations found, if report_flag is set */

57
util/ego/share/go.h
View file

@ -9,30 +9,33 @@
*
*/
extern go(); /* ( int argc; char *argv[];
* int (*initialize)(); int (*optimize)();
* int (*phase_machinit)(); int (*proc_flag)() )
* This is the main driving routine of the optimizer.
* It first processes the flags given as argument;
* for every flag it does not recognize itself, it
* calls 'proc_flag'; as soon as the -M flag is seen,
* it opens the machine descriptor file and
* reads phase-independend information (notably the
* wordsize and pointersize of the target machine);
* next it calls 'phase_machinit' with this file as
* parameter. Subsequently it calls 'initialize'.
* Finally, all procedures are read, one at a time,
* and 'optimize' is called with the current procedure
* as parameter.
*/
extern no_action(); /* ()
* Parameter to be supplied for e.g. 'initialize' if
* no action is required.
*/
extern core_usage(); /* ()
* Report core usage, if core_flag is set.
*/
extern report(); /* ( char *s; int n)
* Report number of optimizations found, if
* report_flag is set
*/
/* This is the main driving routine of the optimizer.
* It first processes the flags given as argument;
* for every flag it does not recognize itself, it
* calls 'proc_flag'; as soon as the -M flag is seen,
* it opens the machine descriptor file and
* reads phase-independend information (notably the
* wordsize and pointersize of the target machine);
* next it calls 'phase_machinit' with this file as
* parameter. Subsequently it calls 'initialize'.
* Finally, all procedures are read, one at a time,
* and 'optimize' is called with the current procedure
* as parameter.
*/
extern void go(int argc, const char** argv,
int (*initialize)(), int (*optimize)(),
int (*phase_machinit)(), int (*proc_flag)());
/*
* Parameter to be supplied for e.g. 'initialize' if
* no action is required.
*/
extern int no_action();
/* Report core usage, if core_flag is set. */
extern void core_usage(void);
/* Report number of optimizations found, if
* report_flag is set
*/
extern void report(char* s, int n);