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c-tree.h (struct language_function): Add arg_info element. 

* c-tree.h (struct language_function): Add arg_info element.
	* c-decl.c (current_function_arg_info): New.
	(grokdeclarator, store_parm_decls): Use it instead of
	DECL_ARGUMENTS.
	(c_push_function_context, c_pop_function_context): Save and
	restore it.

From-SVN: r86798
This commit is contained in:
Joseph Myers 2004-08-30 20:21:48 +01:00 committed by Joseph Myers
parent 298e6adcf2
commit 7b1124877b
3 changed files with 23 additions and 5 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2004-08-30 Joseph S. Myers <jsm@polyomino.org.uk>
* c-tree.h (struct language_function): Add arg_info element.
* c-decl.c (current_function_arg_info): New.
(grokdeclarator, store_parm_decls): Use it instead of
DECL_ARGUMENTS.
(c_push_function_context, c_pop_function_context): Save and
restore it.
2004-08-30 Richard Henderson <rth@redhat.com>
* c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a

18
gcc/c-decl.c
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@ -104,6 +104,11 @@ static int enum_overflow;
static location_t current_function_prototype_locus;
/* The argument information structure for the function currently being
defined. */
static GTY(()) tree current_function_arg_info;
/* The current statement tree. */
static GTY(()) struct stmt_tree_s c_stmt_tree;
@ -4704,10 +4709,9 @@ grokdeclarator (tree declarator, tree declspecs,
= !(specbits & ((1 << (int) RID_STATIC) | (1 << (int) RID_AUTO)));
/* For a function definition, record the argument information
block in DECL_ARGUMENTS where store_parm_decls will look
for it. */
block where store_parm_decls will look for it. */
if (funcdef_flag)
DECL_ARGUMENTS (decl) = arg_info;
current_function_arg_info = arg_info;
if (defaulted_int)
C_FUNCTION_IMPLICIT_INT (decl) = 1;
@ -6352,16 +6356,18 @@ void
store_parm_decls (void)
{
tree fndecl = current_function_decl;
bool proto;
/* The argument information block for FNDECL. */
tree arg_info = DECL_ARGUMENTS (fndecl);
tree arg_info = current_function_arg_info;
current_function_arg_info = 0;
/* True if this definition is written with a prototype. Note:
despite C99 6.7.5.3p14, we can *not* treat an empty argument
list in a function definition as equivalent to (void) -- an
empty argument list specifies the function has no parameters,
but only (void) sets up a prototype for future calls. */
bool proto = ARG_INFO_TYPES (arg_info) != 0;
proto = ARG_INFO_TYPES (arg_info) != 0;
if (proto)
store_parm_decls_newstyle (fndecl, arg_info);
@ -6645,6 +6651,7 @@ c_push_function_context (struct function *f)
p->x_break_label = c_break_label;
p->x_cont_label = c_cont_label;
p->x_switch_stack = c_switch_stack;
p->arg_info = current_function_arg_info;
p->returns_value = current_function_returns_value;
p->returns_null = current_function_returns_null;
p->returns_abnormally = current_function_returns_abnormally;
@ -6673,6 +6680,7 @@ c_pop_function_context (struct function *f)
c_break_label = p->x_break_label;
c_cont_label = p->x_cont_label;
c_switch_stack = p->x_switch_stack;
current_function_arg_info = p->arg_info;
current_function_returns_value = p->returns_value;
current_function_returns_null = p->returns_null;
current_function_returns_abnormally = p->returns_abnormally;

1
gcc/c-tree.h
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@ -135,6 +135,7 @@ struct language_function GTY(())
tree x_break_label;
tree x_cont_label;
struct c_switch * GTY((skip)) x_switch_stack;
tree arg_info;
int returns_value;
int returns_null;
int returns_abnormally;