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ip2k.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.

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* config/ip2k/ip2k.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
	(VALID_MACHINE_TYPE_ATTRIBUTE): Remove.

	* config/ip2k/ip2k.c (ip2k_attribute_table): New table of
        attributes.
	(TARGET_ATTRIBUTE_TABLE): New macro.
	(valid_machine_type_attribute): Remove.
	(valid_machine_decl_attribute): Remove.
	(ip2k_handle_progmem_attribute): New function.
	(ip2k_handle_fndecl_attribute): New function.

From-SVN: r61295
This commit is contained in:
Denis Chertykov 2003-01-14 20:25:25 +00:00 committed by Denis Chertykov
parent 4cf0d20fce
commit 6028880af5
3 changed files with 91 additions and 51 deletions
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13
gcc/ChangeLog
View File

@ -1,3 +1,16 @@
2003-01-14 Denis Chertykov <denisc@overta.ru>
* config/ip2k/ip2k.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
(VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
* config/ip2k/ip2k.c (ip2k_attribute_table): New table of
attributes.
(TARGET_ATTRIBUTE_TABLE): New macro.
(valid_machine_type_attribute): Remove.
(valid_machine_decl_attribute): Remove.
(ip2k_handle_progmem_attribute): New function.
(ip2k_handle_fndecl_attribute): New function.
2003-01-10 Andrew Haley <aph@redhat.com>
* config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Rename

115
gcc/config/ip2k/ip2k.c
View File

@ -1,6 +1,6 @@
/* Subroutines used for code generation on Ubicom IP2022
Communications Controller.
Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Contributed by Red Hat, Inc and Ubicom, Inc.
This file is part of GNU CC.
@ -74,6 +74,11 @@ static void mdr_try_wreg_elim PARAMS ((rtx));
static int ip2k_check_can_adjust_stack_ref PARAMS ((rtx, int));
static void ip2k_adjust_stack_ref PARAMS ((rtx *, int));
static int ip2k_xexp_not_uses_reg_for_mem PARAMS ((rtx, unsigned int));
static tree ip2k_handle_progmem_attribute PARAMS ((tree *, tree, tree, int,
bool *));
static tree ip2k_handle_fndecl_attribute PARAMS ((tree *, tree, tree, int,
bool *));
const struct attribute_spec ip2k_attribute_table[];
/* Initialize the GCC target structure. */
@ -92,6 +97,9 @@ static int ip2k_xexp_not_uses_reg_for_mem PARAMS ((rtx, unsigned int));
#undef TARGET_ENCODE_SECTION_INFO
#define TARGET_ENCODE_SECTION_INFO encode_section_info
#undef TARGET_ATTRIBUTE_TABLE
#define TARGET_ATTRIBUTE_TABLE ip2k_attribute_table
struct gcc_target targetm = TARGET_INITIALIZER;
/* Commands in the functions prologues in the compiled file. */
@ -3145,51 +3153,82 @@ class_likely_spilled_p(c)
|| c == PTR_REGS);
}
/* Only `progmem' attribute valid for type. */
/* Valid attributes:
progmem - put data to program memory;
naked - don't generate function prologue/epilogue and `ret' command.
int
valid_machine_type_attribute(type, attributes, identifier, args)
tree type ATTRIBUTE_UNUSED;
tree attributes ATTRIBUTE_UNUSED;
tree identifier;
tree args ATTRIBUTE_UNUSED;
Only `progmem' attribute valid for type. */
const struct attribute_spec ip2k_attribute_table[] =
{
return is_attribute_p ("progmem", identifier);
/* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */
{ "progmem", 0, 0, false, false, false, ip2k_handle_progmem_attribute },
{ "naked", 0, 0, true, false, false, ip2k_handle_fndecl_attribute },
{ NULL, 0, 0, false, false, false, NULL }
};
/* Handle a "progmem" attribute; arguments as in
struct attribute_spec.handler. */
static tree
ip2k_handle_progmem_attribute (node, name, args, flags, no_add_attrs)
tree *node;
tree name;
tree args ATTRIBUTE_UNUSED;
int flags ATTRIBUTE_UNUSED;
bool *no_add_attrs;
{
if (DECL_P (*node))
{
if (TREE_CODE (*node) == TYPE_DECL)
{
/* This is really a decl attribute, not a type attribute,
but try to handle it for GCC 3.0 backwards compatibility. */
tree type = TREE_TYPE (*node);
tree attr = tree_cons (name, args, TYPE_ATTRIBUTES (type));
tree newtype = build_type_attribute_variant (type, attr);
TYPE_MAIN_VARIANT (newtype) = TYPE_MAIN_VARIANT (type);
TREE_TYPE (*node) = newtype;
*no_add_attrs = true;
}
else if (TREE_STATIC (*node) || DECL_EXTERNAL (*node))
{
if (DECL_INITIAL (*node) == NULL_TREE && !DECL_EXTERNAL (*node))
{
warning ("only initialized variables can be placed into "
"program memory area");
*no_add_attrs = true;
}
}
else
{
warning ("`%s' attribute ignored", IDENTIFIER_POINTER (name));
*no_add_attrs = true;
}
}
return NULL_TREE;
}
/* If IDENTIFIER with arguments ARGS is a valid machine specific
attribute for DECL return 1.
Valid attributes:
progmem - put data to program memory;
naked - don't generate function prologue/epilogue and `ret' command. */
int
valid_machine_decl_attribute (decl, attributes, attr, args)
tree decl;
tree attributes ATTRIBUTE_UNUSED;
tree attr;
/* Handle an attribute requiring a FUNCTION_DECL; arguments as in
struct attribute_spec.handler. */
static tree
ip2k_handle_fndecl_attribute (node, name, args, flags, no_add_attrs)
tree *node;
tree name;
tree args ATTRIBUTE_UNUSED;
int flags ATTRIBUTE_UNUSED;
bool *no_add_attrs;
{
if (is_attribute_p ("naked", attr))
return TREE_CODE (decl) == FUNCTION_DECL;
if (is_attribute_p ("progmem", attr)
&& (TREE_STATIC (decl) || DECL_EXTERNAL (decl)))
if (TREE_CODE (*node) != FUNCTION_DECL)
{
/* Data stored in program RAM or FLASH must be word aligned or
it won't be directly addressable. */
if (DECL_ALIGN (decl) < FUNCTION_BOUNDARY)
DECL_ALIGN (decl) = FUNCTION_BOUNDARY;
if (DECL_INITIAL (decl) == NULL_TREE)
{
warning ("Only initialized variables can be placed into "
"program memory area.");
return 0;
}
return 1;
warning ("`%s' attribute only applies to functions",
IDENTIFIER_POINTER (name));
*no_add_attrs = true;
}
return 0;
return NULL_TREE;
}
/* Encode section information about tree DECL. */

14
gcc/config/ip2k/ip2k.h
View File

@ -1,7 +1,7 @@
/* Definitions of target machine for GNU compiler,
For Ubicom IP2022 Communications Controller
Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Contributed by Red Hat, Inc and Ubicom, Inc.
This file is part of GNU CC.
@ -2327,18 +2327,6 @@ do { \
of arguments that the function accepts. Some people think a larger
threshold should be used on RISC machines. */
#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \
valid_machine_decl_attribute (DECL, ATTRIBUTES, IDENTIFIER, ARGS)
/* If defined, a C expression whose value is nonzero if IDENTIFIER
with arguments ARGS is a valid machine specific attribute for DECL.
The attributes in ATTRIBUTES have previously been assigned to DECL. */
#define VALID_MACHINE_TYPE_ATTRIBUTE(TYPE, ATTRIBUTES, IDENTIFIER, ARGS) \
valid_machine_type_attribute(TYPE, ATTRIBUTES, IDENTIFIER, ARGS)
/* If defined, a C expression whose value is nonzero if IDENTIFIER
with arguments ARGS is a valid machine specific attribute for TYPE.
The attributes in ATTRIBUTES have previously been assigned to TYPE. */
#define DOLLARS_IN_IDENTIFIERS 0
/* Define this macro to control use of the character `$' in identifier
names. 0 means `$' is not allowed by default; 1 means it is