static hashval_t
opcode_hash_hash (const void *p)
{
struct opcode_hash_entry *entry = (struct opcode_hash_entry *) p;
return htab_hash_string (entry->name);
}
/* Recursive hash function for RTL X. */
static hashval_t
rtx_hash (rtx x)
{
int i, j;
enum rtx_code code;
const char *fmt;
hashval_t val = 0;
if (x == 0)
return val;
code = GET_CODE (x);
val += (int) code + 4095;
/* Some RTL can be compared nonrecursively. */
switch (code)
{
case REG:
return val + REGNO (x);
case LABEL_REF:
return iterative_hash_object (XEXP (x, 0), val);
case SYMBOL_REF:
return iterative_hash_object (XSTR (x, 0), val);
case SCRATCH:
case CONST_DOUBLE:
case CONST_INT:
case CONST_VECTOR:
return val;
default:
break;
}
/* Hash the elements. */
fmt = GET_RTX_FORMAT (code);
for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
{
switch (fmt[i])
{
case 'w':
val += XWINT (x, i);
break;
case 'n':
case 'i':
val += XINT (x, i);
break;
case 'V':
case 'E':
val += XVECLEN (x, i);
for (j = 0; j < XVECLEN (x, i); j++)
val += rtx_hash (XVECEXP (x, i, j));
break;
case 'e':
val += rtx_hash (XEXP (x, i));
break;
case 'S':
case 's':
val += htab_hash_string (XSTR (x, i));
break;
case 'u':
case '0':
case 't':
break;
/* It is believed that rtx's at this level will never
contain anything but integers and other rtx's, except for
within LABEL_REFs and SYMBOL_REFs. */
default:
abort ();
}
}
return val;
}
static hashval_t hash_sym (const void *a)
{
const struct ld_plugin_symbol *as = (const struct ld_plugin_symbol *)a;
return htab_hash_string (as->name);
}
static hashval_t
hash_name (const void *p)
{
const struct lto_renaming_slot *ds = (const struct lto_renaming_slot *) p;
return (hashval_t) htab_hash_string (ds->new_name);
}
static void
process_i386_opcodes (FILE *table)
{
FILE *fp;
char buf[2048];
unsigned int i, j;
char *str, *p, *last, *name;
struct opcode_hash_entry **hash_slot, **entry, *next;
htab_t opcode_hash_table;
struct opcode_hash_entry **opcode_array;
unsigned int opcode_array_size = 1024;
int lineno = 0;
filename = "i386-opc.tbl";
fp = fopen (filename, "r");
if (fp == NULL)
fail (_("can't find i386-opc.tbl for reading, errno = %s\n"),
xstrerror (errno));
i = 0;
opcode_array = (struct opcode_hash_entry **)
xmalloc (sizeof (*opcode_array) * opcode_array_size);
opcode_hash_table = htab_create_alloc (16, opcode_hash_hash,
opcode_hash_eq, NULL,
xcalloc, free);
fprintf (table, "\n/* i386 opcode table. */\n\n");
fprintf (table, "const insn_template i386_optab[] =\n{\n");
/* Put everything on opcode array. */
while (!feof (fp))
{
if (fgets (buf, sizeof (buf), fp) == NULL)
break;
lineno++;
p = remove_leading_whitespaces (buf);
/* Skip comments. */
str = strstr (p, "//");
if (str != NULL)
str[0] = '\0';
/* Remove trailing white spaces. */
remove_trailing_whitespaces (p);
switch (p[0])
{
case '#':
/* Ignore comments. */
case '\0':
continue;
break;
default:
break;
}
last = p + strlen (p);
/* Find name. */
name = next_field (p, ',', &str, last);
/* Get the slot in hash table. */
hash_slot = (struct opcode_hash_entry **)
htab_find_slot_with_hash (opcode_hash_table, name,
htab_hash_string (name),
INSERT);
if (*hash_slot == NULL)
{
/* It is the new one. Put it on opcode array. */
if (i >= opcode_array_size)
{
/* Grow the opcode array when needed. */
opcode_array_size += 1024;
opcode_array = (struct opcode_hash_entry **)
xrealloc (opcode_array,
sizeof (*opcode_array) * opcode_array_size);
}
opcode_array[i] = (struct opcode_hash_entry *)
xmalloc (sizeof (struct opcode_hash_entry));
opcode_array[i]->next = NULL;
opcode_array[i]->name = xstrdup (name);
opcode_array[i]->opcode = xstrdup (str);
opcode_array[i]->lineno = lineno;
*hash_slot = opcode_array[i];
i++;
}
else
{
/* Append it to the existing one. */
entry = hash_slot;
while ((*entry) != NULL)
entry = &(*entry)->next;
*entry = (struct opcode_hash_entry *)
xmalloc (sizeof (struct opcode_hash_entry));
(*entry)->next = NULL;
(*entry)->name = (*hash_slot)->name;
(*entry)->opcode = xstrdup (str);
(*entry)->lineno = lineno;
}
}
/* Process opcode array. */
for (j = 0; j < i; j++)
{
for (next = opcode_array[j]; next; next = next->next)
{
name = next->name;
str = next->opcode;
lineno = next->lineno;
last = str + strlen (str);
output_i386_opcode (table, name, str, last, lineno);
}
}
fclose (fp);
fprintf (table, " { NULL, 0, 0, 0, 0,\n");
process_i386_cpu_flag (table, "0", 0, ",", " ", -1);
process_i386_opcode_modifier (table, "0", -1);
fprintf (table, " { ");
process_i386_operand_type (table, "0", 0, "\t ", -1);
fprintf (table, " } }\n");
fprintf (table, "};\n");
}
inline hashval_t
event_hasher::hash (const char **v)
{
return htab_hash_string (*v);
}
static hashval_t
hash_section_hash_entry (const void *p)
{
const section_hash_entry *n = (const section_hash_entry *) p;
return htab_hash_string (n->name);
}
static hashval_t
htab_hash_plugin (const PTR p)
{
const struct plugin_name_args *plugin = (const struct plugin_name_args *) p;
return htab_hash_string (plugin->base_name);
}
inline hashval_t
comdat_entry_hasher::hash (const comdat_entry *entry)
{
return htab_hash_string (entry->sig);
}
static hashval_t
s_hook_hash (const void *p)
{
const struct s_hook *s_hook = (const struct s_hook *)p;
return htab_hash_string (s_hook->name);
}
inline hashval_t
stats_counter_hasher::hash (const statistics_counter *c)
{
return htab_hash_string (c->id) + c->val;
}
static hashval_t
hash_statistics_hash (const void *p)
{
const statistics_counter_t *const c = (const statistics_counter_t *)p;
return htab_hash_string (c->id) + c->val;
}
