* pdp11-protos.h: New file.

        * pdp11.c: Include tm_p.h.  Add static prototypes.  Fix compile
        time warnings.

        * pdp11.h: Move prototypes to pdp11-protos.h.  Fix compile time
        warnings.

        * pdp11.md: Likewise.

        * 2bsd.h: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31429 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 70 insertions, 45 deletions

diff --git a/gcc/config/pdp11/2bsd.h b/gcc/config/pdp11/2bsd.h
index 4f9dafcc37a..5b1f0c824ce 100644
--- a/gcc/config/pdp11/2bsd.h
+++ b/gcc/config/pdp11/2bsd.h
@@ -1,5 +1,5 @@
 /* Definitions of target machine for GNU compiler, for a PDP with 2BSD
-   Copyright (C) 1995, 1996, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1995, 96, 99, 2000 Free Software Foundation, Inc.
    Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
 
 This file is part of GNU CC.
@@ -56,7 +56,7 @@ fprintf(FILE, "\tjmp cret\n");                                    	\
 #undef INITIAL_FRAME_POINTER_OFFSET  
 #define INITIAL_FRAME_POINTER_OFFSET(DEPTH_VAR)	\
 {								\
-  int offset, regno;		      				\
+  int offset;		      				\
   offset = get_frame_size();					\
   offset = (offset <= 2)? 0: (offset -2);			\
   (DEPTH_VAR) = offset+10;						\
diff --git a/gcc/config/pdp11/pdp11-protos.h b/gcc/config/pdp11/pdp11-protos.h
new file mode 100644
index 00000000000..b062e40a344
--- /dev/null
+++ b/gcc/config/pdp11/pdp11-protos.h
@@ -0,0 +1,45 @@
+/* Definitions of target machine for GNU compiler, for the pdp-11
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 1, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* declarations */
+#ifdef RTX_CODE
+extern int arith_operand PARAMS ((rtx, enum machine_mode));
+extern int const_immediate_operand PARAMS ((rtx, enum machine_mode));
+extern int expand_shift_operand PARAMS ((rtx, enum machine_mode));
+extern int immediate15_operand PARAMS ((rtx, enum machine_mode));
+extern int simple_memory_operand PARAMS ((rtx, enum machine_mode));
+extern int comp_operator PARAMS ((rtx, enum machine_mode));
+
+extern int legitimate_address_p PARAMS ((enum machine_mode, rtx));
+extern void notice_update_cc_on_set PARAMS ((rtx, rtx));
+extern void output_addr_const_pdp11 PARAMS ((FILE *, rtx));
+extern const char *output_move_double PARAMS ((rtx *));
+extern const char *output_move_quad PARAMS ((rtx *));
+extern const char *output_block_move PARAMS ((rtx *));
+extern void print_operand_address PARAMS ((FILE *, rtx));
+extern int register_move_cost PARAMS ((enum reg_class, enum reg_class));
+extern int comparison_operator_index PARAMS ((rtx));
+#endif /* RTX_CODE */
+
+extern void output_ascii PARAMS ((FILE *, const char *, int));
+extern void output_function_epilogue PARAMS ((FILE *, int));
+extern void output_function_prologue PARAMS ((FILE *, int));
+extern const char *output_jump PARAMS ((const char *, const char *, int));
diff --git a/gcc/config/pdp11/pdp11.c b/gcc/config/pdp11/pdp11.c
index f65e27f34fc..26747ff3b7c 100644
--- a/gcc/config/pdp11/pdp11.c
+++ b/gcc/config/pdp11/pdp11.c
@@ -33,6 +33,7 @@ Boston, MA 02111-1307, USA.  */
 #include "insn-attr.h"
 #include "flags.h"
 #include "recog.h"
+#include "tm_p.h"
 
 /*
 #define FPU_REG_P(X)	((X)>=8 && (X)<14)
@@ -46,7 +47,8 @@ int current_first_parm_offset;
 /* This is where the condition code register lives.  */
 /* rtx cc0_reg_rtx; - no longer needed? */
 
-static rtx find_addr_reg (); 
+static rtx find_addr_reg PARAMS ((rtx)); 
+static const char *singlemove_string PARAMS ((rtx *)); 
 
 /* Nonzero if OP is a valid second operand for an arithmetic insn.  */
 
@@ -61,7 +63,7 @@ arith_operand (op, mode)
 int
 const_immediate_operand (op, mode)
      rtx op;
-     enum machine_mode mode;
+     enum machine_mode mode ATTRIBUTE_UNUSED;
 {
   return (GET_CODE (op) == CONST_INT);
 }
@@ -69,7 +71,7 @@ const_immediate_operand (op, mode)
 int 
 immediate15_operand (op, mode)
      rtx op;
-     enum machine_mode mode;
+     enum machine_mode mode ATTRIBUTE_UNUSED;
 {
     return (GET_CODE (op) == CONST_INT && ((INTVAL (op) & 0x8000) == 0x0000));
 }
@@ -77,7 +79,7 @@ immediate15_operand (op, mode)
 int
 expand_shift_operand (op, mode)
   rtx op;
-  enum machine_mode mode;
+  enum machine_mode mode ATTRIBUTE_UNUSED;
 {
     return (GET_CODE (op) == CONST_INT 
 	    && abs (INTVAL(op)) > 1 
@@ -294,7 +296,7 @@ output_function_epilogue(stream, size)
 	
 /* Return the best assembler insn template
    for moving operands[1] into operands[0] as a fullword.  */
-static char *
+static const char *
 singlemove_string (operands)
      rtx *operands;
 {
@@ -308,7 +310,7 @@ singlemove_string (operands)
 /* Output assembler code to perform a doubleword move insn
    with operands OPERANDS.  */
 
-char *
+const char *
 output_move_double (operands)
      rtx *operands;
 {
@@ -486,7 +488,7 @@ output_move_double (operands)
 /* Output assembler code to perform a quadword move insn
    with operands OPERANDS.  */
 
-char *
+const char *
 output_move_quad (operands)
      rtx *operands;
 {
@@ -736,7 +738,7 @@ find_addr_reg (addr)
 void
 output_ascii (file, p, size)
      FILE *file;
-     char *p;
+     const char *p;
      int size;
 {
   int i;
@@ -915,10 +917,10 @@ register_move_cost(c1, c2)
     return move_costs[(int)c1][(int)c2];
 }
 
-char *
+const char *
 output_jump(pos, neg, length)
+  const char *pos, *neg;
   int length;
-  char *pos, *neg;
 {
     static int x = 0;
     
@@ -961,7 +963,7 @@ output_jump(pos, neg, length)
 void
 notice_update_cc_on_set(exp, insn)
   rtx exp;
-  rtx insn;
+  rtx insn ATTRIBUTE_UNUSED;
 {
     if (GET_CODE (SET_DEST (exp)) == CC0)
     { 
@@ -1030,9 +1032,10 @@ notice_update_cc_on_set(exp, insn)
 }
 
 
-int simple_memory_operand(op, mode)
-  rtx op;
-  enum machine_mode mode;
+int
+simple_memory_operand(op, mode)
+     rtx op;
+     enum machine_mode mode ATTRIBUTE_UNUSED;
 {
     rtx addr;
 
@@ -1104,7 +1107,7 @@ int simple_memory_operand(op, mode)
  */
 
  
-char *
+const char *
 output_block_move(operands)
   rtx *operands;
 {
@@ -1389,7 +1392,7 @@ comparison_operator_index(op)
 int
 comp_operator (op, mode)
   rtx op;
-  enum machine_mode mode;
+  enum machine_mode mode ATTRIBUTE_UNUSED;
 {
     return comparison_operator_index(op) >= 0;
 }
diff --git a/gcc/config/pdp11/pdp11.h b/gcc/config/pdp11/pdp11.h
index 804e0d27478..6ca396256cb 100644
--- a/gcc/config/pdp11/pdp11.h
+++ b/gcc/config/pdp11/pdp11.h
@@ -1,5 +1,5 @@
 /* Definitions of target machine for GNU compiler, for the pdp-11
-   Copyright (C) 1994, 1995, 1996, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1994, 95, 96, 98, 99, 2000 Free Software Foundation, Inc.
    Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
 
 This file is part of GNU CC.
@@ -20,24 +20,6 @@ the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
 
-/* declarations */
-int arith_operand ();
-int const_immediate_operand ();
-int expand_shift_operand ();
-int legitimate_address_p ();
-void notice_update_cc_on_set ();
-void output_addr_const_pdp11 ();
-void output_ascii ();
-void output_function_epilogue ();
-void output_function_prologue ();
-char *output_jump();
-char *output_move_double();
-char *output_move_quad();
-char *output_block_move();
-void print_operand_address ();
-int register_move_cost ();
-int simple_memory_operand ();
-
 /* check whether load_fpu_reg or not */
 #define LOAD_FPU_REG_P(x) ((x)>=8 && (x)<=11)
 #define NO_LOAD_FPU_REG_P(x) ((x)==12 || (x)==13)
@@ -1061,7 +1043,7 @@ fprintf (FILE, "$help$: . = .+8 ; space for tmp moves!\n")	\
 /* do we need reg def's R0 = %0 etc ??? */			\
 )
 #else
-#define ASM_FILE_START(FILE)	(0)
+#define ASM_FILE_START(FILE)
 #endif
 
 
diff --git a/gcc/config/pdp11/pdp11.md b/gcc/config/pdp11/pdp11.md
index 469e8e20db4..d917d01fd69 100644
--- a/gcc/config/pdp11/pdp11.md
+++ b/gcc/config/pdp11/pdp11.md
@@ -1,5 +1,5 @@
 ;;- Machine description for the pdp11 for GNU C compiler
-;; Copyright (C) 1994, 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
+;; Copyright (C) 1994, 95, 97-99, 2000 Free Software Foundation, Inc.
 ;; Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
 
 ;; This file is part of GNU CC.
@@ -992,7 +992,6 @@
 
      or is lateoperands the low word?? - looks like it! */
 
-  unsigned int i;
   rtx lateoperands[3];
   
   lateoperands[0] = operands[0];
@@ -1017,7 +1016,7 @@
     return \"\";
   }
 
-  lateoperands[2] = GEN_INT (INTVAL (operands[2]) >> 16) & 0xffff);
+  lateoperands[2] = GEN_INT ((INTVAL (operands[2]) >> 16) & 0xffff);
   operands[2] = GEN_INT (INTVAL (operands[2]) & 0xffff);
   
   if (INTVAL(operands[2]))
@@ -1095,7 +1094,6 @@
 
      or is lateoperands the low word?? - looks like it! */
 
-  unsigned int i;
   rtx lateoperands[3];
   
   lateoperands[0] = operands[0];
@@ -1203,7 +1201,6 @@
 
      or is lateoperands the low word?? - looks like it! */
 
-  unsigned int i;
   rtx lateoperands[3];
   
   lateoperands[0] = operands[0];
@@ -1269,7 +1266,6 @@
 
      or is lateoperands the low word?? - looks like it! */
 
-  unsigned int i;
   rtx lateoperands[3];
   
   lateoperands[0] = operands[0];
@@ -1332,7 +1328,6 @@
   "*
 { /* Here we trust that operands don't overlap */
 
-  unsigned int i;
   rtx lateoperands[3];
 
   lateoperands[0] = operands[0];