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From Jie Zhang <jie.zhang@analog.com>:

Browse Source 
* config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
	(bfin_handle_l2_attribute): New.
	(bfin_attribute_table): Add l2 attribute.

From-SVN: r151634
This commit is contained in:
Bernd Schmidt 2009-09-11 13:32:31 +00:00 committed by Bernd Schmidt
parent 7c9162b24d
commit db689ed6ab
2 changed files with 67 additions and 10 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2009-09-11 Bernd Schmidt <bernd.schmidt@analog.com>
From Jie Zhang <jie.zhang@analog.com>:
* config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
(bfin_handle_l2_attribute): New.
(bfin_attribute_table): Add l2 attribute.
2009-09-11 Michael Matz <matz@suse.de>
PR middle-end/41275

70
gcc/config/bfin/bfin.c
View File

@ -2255,28 +2255,38 @@ bfin_expand_call (rtx retval, rtx fnaddr, rtx callarg1, rtx cookie, int sibcall)
if (TARGET_FDPIC)
{
int caller_has_l1_text, callee_has_l1_text;
int caller_in_sram, callee_in_sram;
caller_has_l1_text = callee_has_l1_text = 0;
/* 0 is not in sram, 1 is in L1 sram, 2 is in L2 sram. */
caller_in_sram = callee_in_sram = 0;
if (lookup_attribute ("l1_text",
DECL_ATTRIBUTES (cfun->decl)) != NULL_TREE)
caller_has_l1_text = 1;
caller_in_sram = 1;
else if (lookup_attribute ("l2",
DECL_ATTRIBUTES (cfun->decl)) != NULL_TREE)
caller_in_sram = 2;
if (GET_CODE (callee) == SYMBOL_REF
&& SYMBOL_REF_DECL (callee) && DECL_P (SYMBOL_REF_DECL (callee))
&& lookup_attribute
("l1_text",
DECL_ATTRIBUTES (SYMBOL_REF_DECL (callee))) != NULL_TREE)
callee_has_l1_text = 1;
&& SYMBOL_REF_DECL (callee) && DECL_P (SYMBOL_REF_DECL (callee)))
{
if (lookup_attribute
("l1_text",
DECL_ATTRIBUTES (SYMBOL_REF_DECL (callee))) != NULL_TREE)
callee_in_sram = 1;
else if (lookup_attribute
("l2",
DECL_ATTRIBUTES (SYMBOL_REF_DECL (callee))) != NULL_TREE)
callee_in_sram = 2;
}
if (GET_CODE (callee) != SYMBOL_REF
|| bfin_longcall_p (callee, INTVAL (cookie))
|| (GET_CODE (callee) == SYMBOL_REF
&& !SYMBOL_REF_LOCAL_P (callee)
&& TARGET_INLINE_PLT)
|| caller_has_l1_text != callee_has_l1_text
|| (caller_has_l1_text && callee_has_l1_text
|| caller_in_sram != callee_in_sram
|| (caller_in_sram && callee_in_sram
&& (GET_CODE (callee) != SYMBOL_REF
|| !SYMBOL_REF_LOCAL_P (callee))))
{
@ -5663,6 +5673,45 @@ bfin_handle_l1_data_attribute (tree *node, tree name, tree ARG_UNUSED (args),
return NULL_TREE;
}
/* Handle a "l2" attribute; arguments as in struct attribute_spec.handler. */
static tree
bfin_handle_l2_attribute (tree *node, tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool *no_add_attrs)
{
tree decl = *node;
if (TREE_CODE (decl) == FUNCTION_DECL)
{
if (DECL_SECTION_NAME (decl) != NULL_TREE
&& strcmp (TREE_STRING_POINTER (DECL_SECTION_NAME (decl)),
".l2.text") != 0)
{
error ("section of %q+D conflicts with previous declaration",
decl);
*no_add_attrs = true;
}
else
DECL_SECTION_NAME (decl) = build_string (9, ".l2.text");
}
else if (TREE_CODE (decl) == VAR_DECL)
{
if (DECL_SECTION_NAME (decl) != NULL_TREE
&& strcmp (TREE_STRING_POINTER (DECL_SECTION_NAME (decl)),
".l2.data") != 0)
{
error ("section of %q+D conflicts with previous declaration",
decl);
*no_add_attrs = true;
}
else
DECL_SECTION_NAME (decl) = build_string (9, ".l2.data");
}
return NULL_TREE;
}
/* Table of valid machine attributes. */
static const struct attribute_spec bfin_attribute_table[] =
{
@ -5679,6 +5728,7 @@ static const struct attribute_spec bfin_attribute_table[] =
{ "l1_data", 0, 0, true, false, false, bfin_handle_l1_data_attribute },
{ "l1_data_A", 0, 0, true, false, false, bfin_handle_l1_data_attribute },
{ "l1_data_B", 0, 0, true, false, false, bfin_handle_l1_data_attribute },
{ "l2", 0, 0, true, false, false, bfin_handle_l2_attribute },
{ NULL, 0, 0, false, false, false, NULL }
};