/* Generate code from machine description to compute values of attributes.
Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
This file is part of GCC.
struct insn_def *next; /* Next insn in chain. */
rtx def; /* The DEFINE_... */
int insn_code; /* Instruction number. */
- int insn_index; /* Expression numer in file, for errors. */
+ int insn_index; /* Expression number in file, for errors. */
int lineno; /* Line number. */
int num_alternatives; /* Number of alternatives. */
int vec_idx; /* Index of attribute vector in `def'. */
static rtx max_fn (rtx);
static rtx min_fn (rtx);
-#define oballoc(size) obstack_alloc (hash_obstack, size)
+#define oballoc(T) XOBNEW (hash_obstack, T)
+#define oballocvec(T, N) XOBNEWVEC (hash_obstack, T, (N))
/* Hash table for sharing RTL and strings. */
/* Here is how primitive or already-shared RTL's hash
codes are made. */
-#define RTL_HASH(RTL) ((long) (RTL) & 0777777)
+#define RTL_HASH(RTL) ((intptr_t) (RTL) & 0777777)
/* Add an entry to the hash table for RTL with hash code HASHCODE. */
{
struct attr_hash *h;
- h = obstack_alloc (hash_obstack, sizeof (struct attr_hash));
+ h = XOBNEW (hash_obstack, struct attr_hash);
h->hashcode = hashcode;
h->u.rtl = rtl;
h->next = attr_hash_table[hashcode % RTL_HASH_SIZE];
{
struct attr_hash *h;
- h = obstack_alloc (hash_obstack, sizeof (struct attr_hash));
+ h = XOBNEW (hash_obstack, struct attr_hash);
h->hashcode = -hashcode;
h->u.str = str;
h->next = attr_hash_table[hashcode % RTL_HASH_SIZE];
return h->u.str; /* <-- return if found. */
/* Not found; create a permanent copy and add it to the hash table. */
- new_str = obstack_alloc (hash_obstack, len + 1);
+ new_str = XOBNEWVAR (hash_obstack, char, len + 1);
memcpy (new_str, str, len);
new_str[len] = '\0';
attr_hash_add_string (hashcode, new_str);
|| insn_alternatives[av->first_insn->def->insn_code]))
return av;
- av = oballoc (sizeof (struct attr_value));
+ av = oballoc (struct attr_value);
av->value = value;
av->next = attr->first_value;
attr->first_value = av;
else
av = get_attr_value (value, attr, id->insn_code);
- ie = oballoc (sizeof (struct insn_ent));
+ ie = oballoc (struct insn_ent);
ie->def = id;
insert_insn_ent (av, ie);
}
no_address_fn[i],
address_fn[i]),
new_attr, ie->def->insn_code);
- new_ie = oballoc (sizeof (struct insn_ent));
+ new_ie = oballoc (struct insn_ent);
new_ie->def = ie->def;
insert_insn_ent (new_av, new_ie);
}
for (length_unit_log = 0; length_or & 1; length_or >>= 1)
length_unit_log++;
}
- printf ("const int length_unit_log = %u;\n", length_unit_log);
+ printf ("EXPORTED_CONST int length_unit_log = %u;\n", length_unit_log);
}
/* Take a COND expression and see if any of the conditions in it can be
if (GET_CODE (exp) == code)
{
- rtx new = insert_right_side (code, XEXP (exp, 1),
- term, insn_code, insn_index);
- if (new != XEXP (exp, 1))
+ rtx new_rtx = insert_right_side (code, XEXP (exp, 1),
+ term, insn_code, insn_index);
+ if (new_rtx != XEXP (exp, 1))
/* Make a copy of this expression and call recursively. */
- newexp = attr_rtx (code, XEXP (exp, 0), new);
+ newexp = attr_rtx (code, XEXP (exp, 0), new_rtx);
else
newexp = exp;
}
else
newexp = false_rtx;
break;
-
+
case SYMBOL_REF:
{
char *p;
char string[256];
-
+
gcc_assert (GET_CODE (exp) == EQ_ATTR);
gcc_assert (strlen (XSTR (exp, 0)) + strlen (XSTR (exp, 1)) + 2
<= 256);
-
+
strcpy (string, XSTR (exp, 0));
strcat (string, "_");
strcat (string, XSTR (exp, 1));
for (p = string; *p; p++)
*p = TOUPPER (*p);
-
+
newexp = attr_rtx (EQ, value,
attr_rtx (SYMBOL_REF,
DEF_ATTR_STRING (string)));
/* We construct an IOR of all the cases for which the
requested attribute value is present. Since we start with
FALSE, if it is not present, FALSE will be returned.
-
+
Each case is the AND of the NOT's of the previous conditions with the
current condition; in the default case the current condition is TRUE.
-
+
For each possible COND value, call ourselves recursively.
-
+
The extra TRUE and FALSE expressions will be eliminated by another
call to the simplification routine. */
for (i = 0; i < XVECLEN (value, 0); i += 2)
{
- rtx this = simplify_test_exp_in_temp (XVECEXP (value, 0, i),
- insn_code, insn_index);
+ rtx this_cond = simplify_test_exp_in_temp (XVECEXP (value, 0, i),
+ insn_code, insn_index);
- right = insert_right_side (AND, andexp, this,
+ right = insert_right_side (AND, andexp, this_cond,
insn_code, insn_index);
right = insert_right_side (AND, right,
evaluate_eq_attr (exp,
insn_code, insn_index);
/* Add this condition into the AND expression. */
- newexp = attr_rtx (NOT, this);
+ newexp = attr_rtx (NOT, this_cond);
andexp = insert_right_side (AND, andexp, newexp,
insn_code, insn_index);
}
if (attr_alt_subset_p (exp, *pterm))
*pterm = true_rtx;
-
+
return exp;
}
name_ptr = XSTR (exp, 1);
while ((p = next_comma_elt (&name_ptr)) != NULL)
{
- av = oballoc (sizeof (struct attr_value));
+ av = oballoc (struct attr_value);
av->value = attr_rtx (CONST_STRING, p);
av->next = attr->first_value;
attr->first_value = av;
{
struct insn_def *id;
- id = oballoc (sizeof (struct insn_def));
+ id = oballoc (struct insn_def);
id->next = defs;
defs = id;
id->def = exp;
have_annul_false = 1;
}
- delay = oballoc (sizeof (struct delay_desc));
+ delay = oballoc (struct delay_desc);
delay->def = def;
delay->num = ++num_delays;
delay->next = delays;
}
else
{
- printf ("%s((1 << which_alternative) & 0x%x)",
+ printf ("%s((1 << which_alternative) & %#x)",
XINT (exp, 1) ? "!" : "", set);
}
}
printf ("%d", num);
if (num > 9 || num < 0)
- printf (" /* 0x%x */", num);
+ printf (" /* %#x */", num);
}
else
{
if (! create)
return NULL;
- attr = oballoc (sizeof (struct attr_desc));
+ attr = oballoc (struct attr_desc);
attr->name = DEF_ATTR_STRING (name);
attr->first_value = attr->default_val = NULL;
attr->is_numeric = attr->is_const = attr->is_special = 0;
static void
gen_insn_reserv (rtx def)
{
- struct insn_reserv *decl = oballoc (sizeof (struct insn_reserv));
+ struct insn_reserv *decl = oballoc (struct insn_reserv);
decl->name = DEF_ATTR_STRING (XSTR (def, 0));
decl->default_latency = XINT (def, 1);
decl->insn_num = n_insn_reservs;
decl->bypassed = false;
decl->next = 0;
-
+
*last_insn_reserv_p = decl;
last_insn_reserv_p = &decl->next;
n_insn_reservs++;
if (s == b->insn)
return; /* already got that one */
- b = oballoc (sizeof (struct bypass_list));
+ b = oballoc (struct bypass_list);
b->insn = s;
b->next = all_bypasses;
all_bypasses = b;
code_exp = rtx_alloc (COND);
lats_exp = rtx_alloc (COND);
-
+
XVEC (code_exp, 0) = rtvec_alloc (n_insn_reservs * 2);
XVEC (lats_exp, 0) = rtvec_alloc (n_insn_reservs * 2);
{
XVECEXP (code_exp, 0, i) = decl->condexp;
XVECEXP (lats_exp, 0, i) = decl->condexp;
-
+
XVECEXP (code_exp, 0, i+1) = make_numeric_value (decl->insn_num);
XVECEXP (lats_exp, 0, i+1) = make_numeric_value (decl->default_latency);
}
printf ("#include \"coretypes.h\"\n");
printf ("#include \"tm.h\"\n");
printf ("#include \"rtl.h\"\n");
+ printf ("#include \"insn-attr.h\"\n");
printf ("#include \"tm_p.h\"\n");
printf ("#include \"insn-config.h\"\n");
printf ("#include \"recog.h\"\n");
printf ("#include \"regs.h\"\n");
- printf ("#include \"real.h\"\n");
printf ("#include \"output.h\"\n");
- printf ("#include \"insn-attr.h\"\n");
printf ("#include \"toplev.h\"\n");
printf ("#include \"flags.h\"\n");
printf ("#include \"function.h\"\n");
printf ("#define operands recog_data.operand\n\n");
/* Make `insn_alternatives'. */
- insn_alternatives = oballoc (insn_code_number * sizeof (int));
+ insn_alternatives = oballocvec (int, insn_code_number);
for (id = defs; id; id = id->next)
if (id->insn_code >= 0)
insn_alternatives[id->insn_code] = (1 << id->num_alternatives) - 1;
/* Make `insn_n_alternatives'. */
- insn_n_alternatives = oballoc (insn_code_number * sizeof (int));
+ insn_n_alternatives = oballocvec (int, insn_code_number);
for (id = defs; id; id = id->next)
if (id->insn_code >= 0)
insn_n_alternatives[id->insn_code] = id->num_alternatives;