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genextract.c (record_insn_name): New function.

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1999-11-12 11:47 -0800  Zack Weinberg  <zack@bitmover.com>

	* genextract.c (record_insn_name): New function.
	(get_insn_name): No longer a stub.
	(main): Call record_insn_name for each insn.  After each label
	written, print the insn name in a comment.

From-SVN: r30509
This commit is contained in:
Zack Weinberg 1999-11-12 19:48:14 +00:00 committed by Zack Weinberg
parent 138e69050a
commit 8ad1aa564d
2 changed files with 62 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
* genextract.c (record_insn_name): New function.
(get_insn_name): No longer a stub.
(main): Call record_insn_name for each insn. After each label
written, print the insn name in a comment.
Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* output.h (const_section, init_section, fini_section): Add

59
gcc/genextract.c
View File

@ -63,6 +63,10 @@ struct code_ptr
static struct extraction *extractions;
/* Holds an array of names indexed by insn_code_number. */
static char **insn_name_ptr = 0;
static int insn_name_ptr_size = 0;
/* Number instruction patterns handled, starting at 0 for first one. */
static int insn_code_number;
@ -96,6 +100,7 @@ static struct code_ptr *peepholes;
static void gen_insn PROTO ((rtx));
static void walk_rtx PROTO ((rtx, const char *));
static void print_path PROTO ((const char *));
static void record_insn_name PROTO((int, const char *));
static void
gen_insn (insn)
@ -384,9 +389,10 @@ main (argc, argv)
{
rtx desc;
FILE *infile;
register int c, i;
int c, i;
struct extraction *p;
struct code_ptr *link;
const char *name;
progname = "genextract";
obstack_init (rtl_obstack);
@ -447,6 +453,7 @@ from the machine description file `md'. */\n\n");
desc = read_rtx (infile);
if (GET_CODE (desc) == DEFINE_INSN)
{
record_insn_name (insn_code_number, XSTR (desc, 0));
gen_insn (desc);
++insn_code_number;
}
@ -487,8 +494,15 @@ from the machine description file `md'. */\n\n");
for (p = extractions; p; p = p->next)
{
for (link = p->insns; link; link = link->next)
printf (" case %d:\n", link->insn_code);
{
i = link->insn_code;
name = get_insn_name (i);
if (name)
printf (" case %d: /* %s */\n", i, name);
else
printf (" case %d:\n", i);
}
for (i = 0; i < p->op_count; i++)
{
if (p->oplocs[i] == 0)
@ -531,5 +545,42 @@ const char *
get_insn_name (code)
int code ATTRIBUTE_UNUSED;
{
return NULL;
if (code < insn_name_ptr_size)
return insn_name_ptr[code];
else
return NULL;
}
static void
record_insn_name (code, name)
int code;
const char *name;
{
static const char *last_real_name = "insn";
static int last_real_code = 0;
char *new;
if (insn_name_ptr_size <= code)
{
int new_size;
new_size = (insn_name_ptr_size ? insn_name_ptr_size * 2 : 512);
insn_name_ptr =
(char **) xrealloc (insn_name_ptr, sizeof(char *) * new_size);
memset (insn_name_ptr + insn_name_ptr_size, 0,
sizeof(char *) * (new_size - insn_name_ptr_size));
insn_name_ptr_size = new_size;
}
if (!name || name[0] == '\0')
{
new = xmalloc (strlen (last_real_name) + 10);
sprintf (new, "%s+%d", last_real_name, code - last_real_code);
}
else
{
last_real_name = new = xstrdup (name);
last_real_code = code;
}
insn_name_ptr[code] = new;
}