#include "hconfig.h"
#include "system.h"
#include "rtl.h"
#include "obstack.h"
static struct obstack obstack;
struct obstack *rtl_obstack = &obstack;
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
void fatal PVPROTO ((const char *, ...))
ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
const char *optabs[] =
{ "extendtab[(int) %B][(int) %A][0] = CODE_FOR_%(extend%a\%b2%)",
"extendtab[(int) %B][(int) %A][1] = CODE_FOR_%(zero_extend%a\%b2%)",
"fixtab[(int) %A][(int) %B][0] = CODE_FOR_%(fix%F\%a%I\%b2%)",
"fixtab[(int) %A][(int) %B][1] = CODE_FOR_%(fixuns%F\%a%b2%)",
"fixtrunctab[(int) %A][(int) %B][0] = CODE_FOR_%(fix_trunc%F\%a%I\%b2%)",
"fixtrunctab[(int) %A][(int) %B][1] = CODE_FOR_%(fixuns_trunc%F\%a%I\%b2%)",
"floattab[(int) %B][(int) %A][0] = CODE_FOR_%(float%I\%a%F\%b2%)",
"floattab[(int) %B][(int) %A][1] = CODE_FOR_%(floatuns%I\%a%F\%b2%)",
"add_optab->handlers[(int) %A].insn_code = CODE_FOR_%(add%a3%)",
"sub_optab->handlers[(int) %A].insn_code = CODE_FOR_%(sub%a3%)",
"smul_optab->handlers[(int) %A].insn_code = CODE_FOR_%(mul%a3%)",
"umul_highpart_optab->handlers[(int) %A].insn_code = CODE_FOR_%(umul%a3_highpart%)",
"smul_highpart_optab->handlers[(int) %A].insn_code = CODE_FOR_%(smul%a3_highpart%)",
"smul_widen_optab->handlers[(int) %B].insn_code = CODE_FOR_%(mul%a%b3%)%N",
"umul_widen_optab->handlers[(int) %B].insn_code = CODE_FOR_%(umul%a%b3%)%N",
"sdiv_optab->handlers[(int) %A].insn_code = CODE_FOR_%(div%I\%a3%)",
"udiv_optab->handlers[(int) %A].insn_code = CODE_FOR_%(udiv%I\%a3%)",
"sdivmod_optab->handlers[(int) %A].insn_code = CODE_FOR_%(divmod%a4%)",
"udivmod_optab->handlers[(int) %A].insn_code = CODE_FOR_%(udivmod%a4%)",
"smod_optab->handlers[(int) %A].insn_code = CODE_FOR_%(mod%a3%)",
"umod_optab->handlers[(int) %A].insn_code = CODE_FOR_%(umod%a3%)",
"flodiv_optab->handlers[(int) %A].insn_code = CODE_FOR_%(div%F\%a3%)",
"ftrunc_optab->handlers[(int) %A].insn_code = CODE_FOR_%(ftrunc%F\%a2%)",
"and_optab->handlers[(int) %A].insn_code = CODE_FOR_%(and%a3%)",
"ior_optab->handlers[(int) %A].insn_code = CODE_FOR_%(ior%a3%)",
"xor_optab->handlers[(int) %A].insn_code = CODE_FOR_%(xor%a3%)",
"ashl_optab->handlers[(int) %A].insn_code = CODE_FOR_%(ashl%a3%)",
"ashr_optab->handlers[(int) %A].insn_code = CODE_FOR_%(ashr%a3%)",
"lshr_optab->handlers[(int) %A].insn_code = CODE_FOR_%(lshr%a3%)",
"rotl_optab->handlers[(int) %A].insn_code = CODE_FOR_%(rotl%a3%)",
"rotr_optab->handlers[(int) %A].insn_code = CODE_FOR_%(rotr%a3%)",
"smin_optab->handlers[(int) %A].insn_code = CODE_FOR_%(smin%I\%a3%)",
"smin_optab->handlers[(int) %A].insn_code = CODE_FOR_%(min%F\%a3%)",
"smax_optab->handlers[(int) %A].insn_code = CODE_FOR_%(smax%I\%a3%)",
"smax_optab->handlers[(int) %A].insn_code = CODE_FOR_%(max%F\%a3%)",
"umin_optab->handlers[(int) %A].insn_code = CODE_FOR_%(umin%I\%a3%)",
"umax_optab->handlers[(int) %A].insn_code = CODE_FOR_%(umax%I\%a3%)",
"neg_optab->handlers[(int) %A].insn_code = CODE_FOR_%(neg%a2%)",
"abs_optab->handlers[(int) %A].insn_code = CODE_FOR_%(abs%a2%)",
"sqrt_optab->handlers[(int) %A].insn_code = CODE_FOR_%(sqrt%a2%)",
"sin_optab->handlers[(int) %A].insn_code = CODE_FOR_%(sin%a2%)",
"cos_optab->handlers[(int) %A].insn_code = CODE_FOR_%(cos%a2%)",
"strlen_optab->handlers[(int) %A].insn_code = CODE_FOR_%(strlen%a%)",
"one_cmpl_optab->handlers[(int) %A].insn_code = CODE_FOR_%(one_cmpl%a2%)",
"ffs_optab->handlers[(int) %A].insn_code = CODE_FOR_%(ffs%a2%)",
"mov_optab->handlers[(int) %A].insn_code = CODE_FOR_%(mov%a%)",
"movstrict_optab->handlers[(int) %A].insn_code = CODE_FOR_%(movstrict%a%)",
"cmp_optab->handlers[(int) %A].insn_code = CODE_FOR_%(cmp%a%)",
"tst_optab->handlers[(int) %A].insn_code = CODE_FOR_%(tst%a%)",
"bcc_gen_fctn[(int) %C] = gen_%(b%c%)",
"setcc_gen_code[(int) %C] = CODE_FOR_%(s%c%)",
"movcc_gen_code[(int) %A] = CODE_FOR_%(mov%acc%)",
"reload_in_optab[(int) %A] = CODE_FOR_%(reload_in%a%)",
"reload_out_optab[(int) %A] = CODE_FOR_%(reload_out%a%)",
"movstr_optab[(int) %A] = CODE_FOR_%(movstr%a%)",
"clrstr_optab[(int) %A] = CODE_FOR_%(clrstr%a%)" };
char **insn_name_ptr;
static void gen_insn PROTO((rtx));
static void
gen_insn (insn)
rtx insn;
{
char *name = XSTR (insn, 0);
int m1, m2, op;
size_t pindex;
int i;
const char *np, *pp, *p, *q;
if (*name == 0)
return;
for (pindex = 0; pindex < sizeof optabs / sizeof optabs[0]; pindex++)
{
int force_float = 0, force_int = 0;
int force_consec = 0;
int matches = 1;
for (pp = optabs[pindex]; pp[0] != '%' || pp[1] != '('; pp++)
;
for (pp += 2, np = name; matches && ! (pp[0] == '%' && pp[1] == ')');
pp++)
{
if (*pp != '%')
{
if (*pp != *np++)
break;
}
else
switch (*++pp)
{
case 'N':
force_consec = 1;
break;
case 'I':
force_int = 1;
break;
case 'F':
force_float = 1;
break;
case 'c':
for (op = 0; op < NUM_RTX_CODE; op++)
{
for (p = rtx_name[op], q = np; *p; p++, q++)
if (*p != *q)
break;
if (*p == 0 && *q == 0 && rtx_class[op] == '<')
break;
}
if (op == NUM_RTX_CODE)
matches = 0;
else
np += strlen (rtx_name[op]);
break;
case 'a':
case 'b':
for (i = ((int) MAX_MACHINE_MODE) - 1; i >= 0; i--)
{
for (p = mode_name[i], q = np; *p; p++, q++)
if (tolower ((unsigned char)*p) != *q)
break;
if (*p == 0
&& (! force_int || mode_class[i] == MODE_INT)
&& (! force_float || mode_class[i] == MODE_FLOAT))
break;
}
if (i < 0)
matches = 0;
else if (*pp == 'a')
m1 = i, np += strlen (mode_name[i]);
else
m2 = i, np += strlen (mode_name[i]);
force_int = force_float = 0;
break;
default:
abort ();
}
}
if (matches && pp[0] == '%' && pp[1] == ')'
&& *np == 0
&& (! force_consec || (int) GET_MODE_WIDER_MODE(m1) == m2))
break;
}
if (pindex == sizeof optabs / sizeof optabs[0])
return;
if (*XSTR (insn, 2) != 0)
printf (" if (HAVE_%s)\n ", name);
printf (" ");
for (pp = optabs[pindex]; *pp; pp++)
{
if (*pp != '%')
printf ("%c", *pp);
else
switch (*++pp)
{
case '(': case ')':
case 'I': case 'F': case 'N':
break;
case 'a':
for (np = mode_name[m1]; *np; np++)
printf ("%c", tolower ((unsigned char)*np));
break;
case 'b':
for (np = mode_name[m2]; *np; np++)
printf ("%c", tolower ((unsigned char)*np));
break;
case 'A':
printf ("%smode", mode_name[m1]);
break;
case 'B':
printf ("%smode", mode_name[m2]);
break;
case 'c':
printf ("%s", rtx_name[op]);
break;
case 'C':
for (np = rtx_name[op]; *np; np++)
printf ("%c", toupper ((unsigned char)*np));
break;
}
}
printf (";\n");
}
PTR
xmalloc (size)
size_t size;
{
register PTR val = (PTR) malloc (size);
if (val == 0)
fatal ("virtual memory exhausted");
return val;
}
PTR
xrealloc (old, size)
PTR old;
size_t size;
{
register PTR ptr;
if (old)
ptr = (PTR) realloc (old, size);
else
ptr = (PTR) malloc (size);
if (!ptr)
fatal ("virtual memory exhausted");
return ptr;
}
void
fatal VPROTO ((const char *format, ...))
{
#ifndef ANSI_PROTOTYPES
const char *format;
#endif
va_list ap;
VA_START (ap, format);
#ifndef ANSI_PROTOTYPES
format = va_arg (ap, const char *);
#endif
fprintf (stderr, "genopinit: ");
vfprintf (stderr, format, ap);
va_end (ap);
fprintf (stderr, "\n");
exit (FATAL_EXIT_CODE);
}
void
fancy_abort ()
{
fatal ("Internal gcc abort.");
}
int
main (argc, argv)
int argc;
char **argv;
{
rtx desc;
FILE *infile;
register int c;
obstack_init (rtl_obstack);
if (argc <= 1)
fatal ("No input file name.");
infile = fopen (argv[1], "r");
if (infile == 0)
{
perror (argv[1]);
exit (FATAL_EXIT_CODE);
}
init_rtl ();
printf ("/* Generated automatically by the program `genopinit'\n\
from the machine description file `md'. */\n\n");
printf ("#include \"config.h\"\n");
printf ("#include \"system.h\"\n");
printf ("#include \"rtl.h\"\n");
printf ("#include \"flags.h\"\n");
printf ("#include \"insn-flags.h\"\n");
printf ("#include \"insn-codes.h\"\n");
printf ("#include \"insn-config.h\"\n");
printf ("#include \"recog.h\"\n");
printf ("#include \"expr.h\"\n");
printf ("#include \"reload.h\"\n\n");
printf ("void\ninit_all_optabs ()\n{\n");
while (1)
{
c = read_skip_spaces (infile);
if (c == EOF)
break;
ungetc (c, infile);
desc = read_rtx (infile);
if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
gen_insn (desc);
}
printf ("}\n");
fflush (stdout);
exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
return 0;
}