Add prototypes.

From-SVN: r3794

gcc/function.h

@@ -183,7 +183,7 @@ extern rtx stack_slot_list;
 
 /* Given a function decl for a containing function,
    return the `struct function' for it.  */
-struct function *find_function_data ();
+struct function *find_function_data PROTO((tree));
 
 /* Pointer to chain of `struct function' for containing functions.  */
 extern struct function *outer_function_chain;
@@ -191,7 +191,7 @@ extern struct function *outer_function_chain;
 /* Put all this function's BLOCK nodes into a vector and return it.
    Also store in each NOTE for the beginning or end of a block
    the index of that block in the vector.  */
-tree *identify_blocks ();
+tree *identify_blocks PROTO((tree, rtx));
 
 #ifdef rtx
 #undef rtx

gcc/halfpic.h

@@ -31,12 +31,12 @@ int (*ptr_half_pic_address_p) ();	/* ptr to half_pic_address_p () */
 
 extern int  half_pic_number_ptrs;	/* # distinct pointers found */
 extern int  half_pic_number_refs;	/* # half-pic references */
-extern void half_pic_encode ();		/* encode whether half-pic */
-extern void half_pic_declare ();	/* declare object local */
-extern void half_pic_init ();		/* half_pic initialization */
-extern void half_pic_finish ();		/* half_pic termination */
-extern int  half_pic_address_p ();	/* true if an address is half-pic */
-extern struct rtx_def *half_pic_ptr ();	/* return RTX for half-pic pointer */
+extern void half_pic_encode PROTO((tree));	/* encode whether half-pic */
+extern void half_pic_declare PROTO((char *));	/* declare object local */
+extern void half_pic_init PROTO((void));	/* half_pic initialization */
+extern void half_pic_finish PROTO((FILE *));	/* half_pic termination */
+extern int  half_pic_address_p PROTO((rtx));	/* true if an address is half-pic */
+extern struct rtx_def *half_pic_ptr PROTO((rtx));	/* return RTX for half-pic pointer */
 
 /* Macros to provide access to the half-pic stuff (so they can easily
    be stubbed out.  */

gcc/integrate.h

@@ -107,15 +107,10 @@ struct inline_remap
 
 /* Return a copy of an rtx (as needed), substituting pseudo-register,
    labels, and frame-pointer offsets as necessary.  */
-extern rtx copy_rtx_and_substitute ();
+extern rtx copy_rtx_and_substitute PROTO((rtx, struct inline_remap *));
 
-extern void try_constants ();
+extern void try_constants PROTO((rtx, struct inline_remap *));
 
-extern void mark_stores ();
-
-/* We do some simple constant folding optimization.  This optimization
-   really exists primarily to save time inlining a function.  It
-   also helps users who ask for inline functions without -O.  */
-extern rtx try_fold_condition ();
+extern void mark_stores PROTO((rtx, rtx));
 
 extern rtx *global_const_equiv_map;

gcc/loop.h

@@ -153,17 +153,17 @@ extern struct iv_class *loop_iv_list;
 
 /* Forward declarations for non-static functions declared in loop.c and
    unroll.c.  */
-int invariant_p ();
-rtx get_condition_for_loop ();
-void emit_iv_add_mult ();
+int invariant_p PROTO((rtx));
+rtx get_condition_for_loop PROTO((rtx));
+void emit_iv_add_mult PROTO((rtx, rtx, rtx, rtx, rtx));
 
 /* Forward declarations for non-static functions declared in stmt.c.  */
-void find_loop_tree_blocks ();
-void unroll_block_trees ();
+void find_loop_tree_blocks PROTO((void));
+void unroll_block_trees PROTO((void));
 
-void unroll_loop ();
-rtx biv_total_increment ();
-unsigned HOST_WIDE_INT loop_iterations ();
-rtx final_biv_value ();
-rtx final_giv_value ();
-void emit_unrolled_add ();
+void unroll_loop PROTO((rtx, int, rtx, rtx, int));
+rtx biv_total_increment PROTO((struct iv_class *, rtx, rtx));
+unsigned HOST_WIDE_INT loop_iterations PROTO((rtx, rtx));
+rtx final_biv_value PROTO((struct iv_class *, rtx, rtx));
+rtx final_giv_value PROTO((struct induction *, rtx, rtx));
+void emit_unrolled_add PROTO((rtx, rtx, rtx));

gcc/machmode.h

@@ -18,6 +18,15 @@ along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 
+/* Add prototype support.  */
+#ifndef PROTO
+#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
+#define PROTO(ARGS) ARGS
+#else
+#define PROTO(ARGS) ()
+#endif
+#endif
+
 #ifndef HAVE_MACHINE_MODES
 
 /* Strictly speaking, this isn't the proper place to include these definitions,
@@ -131,11 +140,11 @@ extern enum machine_mode mode_wider_mode[];
    If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE.
    The value is BLKmode if no other mode is found.  */
 
-extern enum machine_mode mode_for_size ();
+extern enum machine_mode mode_for_size PROTO((unsigned int, enum mode_class, int));
 
 /* Find the best mode to use to access a bit field.  */
 
-extern enum machine_mode get_best_mode ();
+extern enum machine_mode get_best_mode PROTO((int, int, int, enum machine_mode, int));
 
 /* Determine alignment, 1<=result<=BIGGEST_ALIGNMENT.  */
 

gcc/output.h

@@ -20,23 +20,25 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 /* Output a string of assembler code, substituting insn operands.
    Defined in final.c.  */
-extern void output_asm_insn ();
+extern void output_asm_insn PROTO((char *, rtx *));
 
 /* Output a string of assembler code, substituting numbers, strings
    and fixed syntactic prefixes.  */
 extern void asm_fprintf ();
 
+#ifdef FILE
 /* Print an integer constant expression in assembler syntax.
    Addition and subtraction are the only arithmetic
    that may appear in these expressions.  */
-extern void output_addr_const ();
+extern void output_addr_const PROTO((FILE *, rtx));
 
 /* Output a name (as found inside a symbol_ref) in assembler syntax.  */
-extern void assemble_name ();
+extern void assemble_name PROTO((FILE *, char *));
+#endif
 
 /* Replace a SUBREG with a REG or a MEM, based on the thing it is a
    subreg of.  */
-extern rtx alter_subreg ();
+extern rtx alter_subreg PROTO((rtx));
 
 /* When outputting assembler code, indicates which alternative
    of the constraints was actually satisfied.  */

gcc/reload.h

@@ -18,6 +18,15 @@ along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 
+/* Add prototype support.  */
+#ifndef PROTO
+#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
+#define PROTO(ARGS) ARGS
+#else
+#define PROTO(ARGS) ()
+#endif
+#endif
+
 /* If secondary reloads are the same for inputs and outputs, define those
    macros here.  */
 
@@ -106,10 +115,10 @@ extern enum insn_code reload_in_optab[];
 extern enum insn_code reload_out_optab[];
 #endif
 
-extern void init_reload ();
-extern void find_reloads ();
-extern void subst_reloads ();
-extern rtx get_secondary_mem ();
-extern rtx eliminate_regs ();
-extern rtx gen_input_reload ();
-extern rtx find_replacement ();
+extern void init_reload PROTO((void));
+extern void find_reloads PROTO((rtx, int, int, int, short *));
+extern void subst_reloads PROTO((void));
+extern rtx get_secondary_mem PROTO((rtx, enum machine_mode));
+extern rtx eliminate_regs PROTO((rtx, enum machine_mode, rtx));
+extern rtx gen_input_reload PROTO((rtx, rtx, rtx));
+extern rtx find_replacement PROTO((rtx *));

gcc/stack.h

@@ -37,5 +37,5 @@ struct stack_level
   int limit;
 };
 
-struct stack_level *push_stack_level ();
-struct stack_level *pop_stack_level ();
+struct stack_level *push_stack_level PROTO((struct obstack *, char *, int));
+struct stack_level *pop_stack_level PROTO((struct stack_level *));