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genattrtab.c (struct attr_value_list, [...]): Move to file scope from optimize_attrs. 

* genattrtab.c (struct attr_value_list, insn_code_values): Move to
	file scope from optimize_attrs.
	(simplify_test_exp): If insn_code_values is not NULL, use it to speed
	up search.
	(optimize_attrs): Clear insn_code_values after freeing it.

From-SVN: r121216
This commit is contained in:
Jakub Jelinek 2007-01-27 00:15:08 +01:00 committed by Jakub Jelinek
parent 7969a3791e
commit e2e3023612
2 changed files with 50 additions and 19 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2007-01-27 Jakub Jelinek <jakub@redhat.com>
* genattrtab.c (struct attr_value_list, insn_code_values): Move to
file scope from optimize_attrs.
(simplify_test_exp): If insn_code_values is not NULL, use it to speed
up search.
(optimize_attrs): Clear insn_code_values after freeing it.
2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-address.c (create_mem_ref): Remove ", bsi" from

61
gcc/genattrtab.c
View File

@ -1,6 +1,6 @@
/* 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 Free Software Foundation, Inc.
1999, 2000, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
This file is part of GCC.
@ -189,6 +189,14 @@ struct delay_desc
int lineno; /* Line number. */
};
struct attr_value_list
{
struct attr_value *av;
struct insn_ent *ie;
struct attr_desc *attr;
struct attr_value_list *next;
};
/* Listheads of above structures. */
/* This one is indexed by the first character of the attribute name. */
@ -196,6 +204,7 @@ struct delay_desc
static struct attr_desc *attrs[MAX_ATTRS_INDEX];
static struct insn_def *defs;
static struct delay_desc *delays;
struct attr_value_list **insn_code_values;
/* Other variables. */
@ -2448,6 +2457,7 @@ simplify_test_exp (rtx exp, int insn_code, int insn_index)
struct attr_desc *attr;
struct attr_value *av;
struct insn_ent *ie;
struct attr_value_list *iv;
int i;
rtx newexp = exp;
bool left_alt, right_alt;
@ -2718,16 +2728,36 @@ simplify_test_exp (rtx exp, int insn_code, int insn_index)
would give this insn the values being tested for. */
if (insn_code >= 0
&& (attr = find_attr (&XSTR (exp, 0), 0)) != NULL)
for (av = attr->first_value; av; av = av->next)
for (ie = av->first_insn; ie; ie = ie->next)
if (ie->def->insn_code == insn_code)
{
rtx x;
x = evaluate_eq_attr (exp, av->value, insn_code, insn_index);
x = SIMPLIFY_TEST_EXP (x, insn_code, insn_index);
if (attr_rtx_cost(x) < 20)
return x;
}
{
rtx x;
av = NULL;
if (insn_code_values)
{
for (iv = insn_code_values[insn_code]; iv; iv = iv->next)
if (iv->attr == attr)
{
av = iv->av;
break;
}
}
else
{
for (av = attr->first_value; av; av = av->next)
for (ie = av->first_insn; ie; ie = ie->next)
if (ie->def->insn_code == insn_code)
goto got_av;
}
if (av)
{
got_av:
x = evaluate_eq_attr (exp, av->value, insn_code, insn_index);
x = SIMPLIFY_TEST_EXP (x, insn_code, insn_index);
if (attr_rtx_cost(x) < 20)
return x;
}
}
break;
default:
@ -2756,14 +2786,6 @@ optimize_attrs (void)
struct insn_ent *ie;
rtx newexp;
int i;
struct attr_value_list
{
struct attr_value *av;
struct insn_ent *ie;
struct attr_desc *attr;
struct attr_value_list *next;
};
struct attr_value_list **insn_code_values;
struct attr_value_list *ivbuf;
struct attr_value_list *iv;
@ -2840,6 +2862,7 @@ optimize_attrs (void)
free (ivbuf);
free (insn_code_values - 2);
insn_code_values = NULL;
}
/* Clear the ATTR_CURR_SIMPLIFIED_P flag in EXP and its subexpressions. */