* tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
(struct tree_function_decl): Make function_code a bitfield.
Add disregard_inline_limits flag.
* cgraphunit.c (cgraph_process_new_functions): Check
DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
(cgraph_preserve_function_body_p): Likewise.
* ipa-inline.c (compute_inline_parameters): Likewise.
* c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
for GNU C extern inline functions.
(merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
* tree-inline.c (disregard_inline_limits_p): Remove.
* tree-inline.h (disregard_inline_limits_p): Likewise.
* c-common.c (handle_always_inline_attribute): Set
DECL_DISREGARD_INLINE_LIMITS.
* langhooks.c (add_builtin_function): Verify the function code
fits in the bitfield.
cp/
* decl.c (duplicate_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127851
138bc75d-0d04-0410-961f-
82ee72b054a4
+2007-08-28 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
+ (struct tree_function_decl): Make function_code a bitfield.
+ Add disregard_inline_limits flag.
+ * cgraphunit.c (cgraph_process_new_functions): Check
+ DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
+ (cgraph_preserve_function_body_p): Likewise.
+ * ipa-inline.c (compute_inline_parameters): Likewise.
+ * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
+ for GNU C extern inline functions.
+ (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
+ * tree-inline.c (disregard_inline_limits_p): Remove.
+ * tree-inline.h (disregard_inline_limits_p): Likewise.
+ * c-common.c (handle_always_inline_attribute): Set
+ DECL_DISREGARD_INLINE_LIMITS.
+ * langhooks.c (add_builtin_function): Verify the function code
+ fits in the bitfield.
+
2007-08-28 Mircea Namolaru <namolaru@il.ibm.com>
Vladimir Yanovsky <yanov@il.ibm.com>
Revital Eres <eres@il.ibm.com>
{
if (TREE_CODE (*node) == FUNCTION_DECL)
{
- /* Do nothing else, just set the attribute. We'll get at
- it later with lookup_attribute. */
+ /* Set the attribute and mark it for disregarding inline
+ limits. */
+ DECL_DISREGARD_INLINE_LIMITS (*node) = 1;
}
else
{
DECL_UNINLINABLE (newdecl) = DECL_UNINLINABLE (olddecl)
= (DECL_UNINLINABLE (newdecl) || DECL_UNINLINABLE (olddecl));
+
+ DECL_DISREGARD_INLINE_LIMITS (newdecl)
+ = DECL_DISREGARD_INLINE_LIMITS (olddecl)
+ = (DECL_DISREGARD_INLINE_LIMITS (newdecl)
+ || DECL_DISREGARD_INLINE_LIMITS (olddecl));
}
if (DECL_BUILT_IN (olddecl))
/* Finalize the ELF visibility for the function. */
c_determine_visibility (fndecl);
+ /* For GNU C extern inline functions disregard inline limits. */
+ if (DECL_EXTERNAL (fndecl)
+ && DECL_DECLARED_INLINE_P (fndecl))
+ DECL_DISREGARD_INLINE_LIMITS (fndecl) = 1;
+
/* Genericize before inlining. Delay genericizing nested functions
until their parent function is genericized. Since finalizing
requires GENERIC, delay that as well. */
node->local.self_insns = estimate_num_insns (fndecl,
&eni_inlining_weights);
node->local.disregard_inline_limits
- |= disregard_inline_limits_p (fndecl);
+ |= DECL_DISREGARD_INLINE_LIMITS (fndecl);
/* Inlining characteristics are maintained by the
cgraph_mark_inline. */
node->global.insns = node->local.self_insns;
struct cgraph_node *node;
if (!cgraph_global_info_ready)
return (flag_really_no_inline
- ? disregard_inline_limits_p (decl)
+ ? DECL_DISREGARD_INLINE_LIMITS (decl)
: DECL_INLINE (decl));
/* Look if there is any clone around. */
for (node = cgraph_node (decl); node; node = node->next_clone)
+2007-08-28 Richard Guenther <rguenther@suse.de>
+
+ * decl.c (duplicate_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
+
2007-08-28 Gabriel Dos Reis <gdr@integrable-solutions.net>
* error.c (dump_expr): Handle COMPLEX_CST.
DECL_UNINLINABLE (newdecl) = DECL_UNINLINABLE (olddecl)
= (DECL_UNINLINABLE (newdecl) || DECL_UNINLINABLE (olddecl));
+
+ DECL_DISREGARD_INLINE_LIMITS (newdecl)
+ = DECL_DISREGARD_INLINE_LIMITS (olddecl)
+ = (DECL_DISREGARD_INLINE_LIMITS (newdecl)
+ || DECL_DISREGARD_INLINE_LIMITS (olddecl));
}
/* Preserve abstractness on cloned [cd]tors. */
&eni_inlining_weights);
if (node->local.inlinable && !node->local.disregard_inline_limits)
node->local.disregard_inline_limits
- = disregard_inline_limits_p (current_function_decl);
+ = DECL_DISREGARD_INLINE_LIMITS (current_function_decl);
if (flag_really_no_inline && !node->local.disregard_inline_limits)
node->local.inlinable = 0;
/* Inlining characteristics are maintained by the cgraph_mark_inline. */
TREE_PUBLIC (decl) = 1;
DECL_EXTERNAL (decl) = 1;
DECL_BUILT_IN_CLASS (decl) = cl;
+
+ DECL_FUNCTION_CODE (decl) = -1;
+ gcc_assert (DECL_FUNCTION_CODE (decl) >= function_code);
DECL_FUNCTION_CODE (decl) = function_code;
if (library_name)
return inlinable;
}
-/* Return true if we shall disregard inlining limits for the function
- FN during inlining. */
-
-bool
-disregard_inline_limits_p (tree fn)
-{
- /* GNU extern inline functions are supposed to be cheap. */
- if (DECL_DECLARED_INLINE_P (fn)
- && DECL_EXTERNAL (fn))
- return true;
-
- return lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn)) != NULL_TREE;
-}
-
/* Estimate the cost of a memory move. Use machine dependent
word size and take possible memcpy call into account. */
unsigned int optimize_inline_calls (tree);
bool tree_inlinable_function_p (tree);
-bool disregard_inline_limits_p (tree);
tree copy_tree_r (tree *, int *, void *);
void clone_body (tree, tree, void *);
void save_body (tree, tree *, tree *);
#define DECL_DECLARED_INLINE_P(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.declared_inline_flag)
+/* Nonzero in a FUNCTION_DECL that should be always inlined by the inliner
+ disregarding size and cost heuristics. This is equivalent to using
+ the always_inline attribute without the required diagnostics if the
+ function cannot be inlined. */
+#define DECL_DISREGARD_INLINE_LIMITS(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->function_decl.disregard_inline_limits)
+
/* For FUNCTION_DECL, this holds a pointer to a structure ("struct function")
that describes the status of this function. */
#define DECL_STRUCT_FUNCTION(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.f)
{
struct tree_decl_non_common common;
+ struct function *f;
+
/* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
- DECL_FUNCTION_CODE. Otherwise unused. */
- enum built_in_function function_code;
+ DECL_FUNCTION_CODE. Otherwise unused.
+ ??? The bitfield needs to be able to hold all target function
+ codes as well. */
+ ENUM_BITFIELD(built_in_function) function_code : 10;
+ ENUM_BITFIELD(built_in_class) built_in_class : 2;
unsigned static_ctor_flag : 1;
unsigned static_dtor_flag : 1;
unsigned uninlinable : 1;
unsigned possibly_inlined : 1;
+
unsigned novops_flag : 1;
unsigned returns_twice_flag : 1;
unsigned malloc_flag : 1;
unsigned pure_flag : 1;
-
unsigned declared_inline_flag : 1;
unsigned regdecl_flag : 1;
unsigned inline_flag : 1;
unsigned no_instrument_function_entry_exit : 1;
+
unsigned no_limit_stack : 1;
- ENUM_BITFIELD(built_in_class) built_in_class : 2;
+ unsigned disregard_inline_limits : 1;
- struct function *f;
+ /* 6 bits left */
};
/* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */