varasm.c (output_constant_pool): Bring back 'done' label inside an appropriate #ifdef.

        * varasm.c (output_constant_pool): Bring back 'done' label inside
        an appropriate #ifdef.
        * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
        appropriate #ifdef.
        (bitmap_copy, bitmap_operation): Likewise.
        * combine.c (combinable_i3pat): Similarly for 'src'.
        * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
        (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
        * regclass.c (copy_cost): Similarly for 'secondary_class'.
        * reload.c (make_memloc): Simliarly for 'i'.
        (find_reloads_address_1): Similarly for 'link'.
        * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
        (emit_reload_insns): Similarly for 'second_reloadreg'.
        * unroll.c (iteration_info): Similarly for 'v'.
        * caller-save.c (insert_save_restore): Remove unused variable 'i'.
        * calls.c (expand_call): Similarly for 'i'.
        (emit_library_call, emit_library_call_value): Similarly for 'mode'.
        * fold-const.c (strip_compund_expr): Similarly for 'type'.
        * function.c (fixup_var_refs_1): Similarly  for 'width'.
        (fixup_memory_subreg): Similarly for 'saved'.
        (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
        (setjmp_protect): Similarly for 'sub'.
        (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
        * loop.c (record_giv): Similarly for 'p'.
        (combine_givs): Similarly for 'temp_iv'.
        (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
        * recog.c (validate_replace_rtx_1): Similarly for 'width'.
        * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
        * unroll.c (unroll_loop): Similarly for 'copy'.
        (iteration_info): Similarly for 'b'.
        * varasm.c (assemble_string): Similarly for 'i'.
        * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.

From-SVN: r17973

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ee4987913d2543741e1f909f63cae7fa04a3a65f..5042d585f353b3e8f2ea9bf45aa1252df11370c8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,40 @@
+Sat Feb 14 02:02:41 1998  Jeffrey A Law  (law@cygnus.com)
+
+       * varasm.c (output_constant_pool): Bring back 'done' label inside
+       an appropriate #ifdef.
+
+       * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an 
+       appropriate #ifdef.
+       (bitmap_copy, bitmap_operation): Likewise.
+       * combine.c (combinable_i3pat): Similarly for 'src'.
+       * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
+       (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
+       * regclass.c (copy_cost): Similarly for 'secondary_class'.
+       * reload.c (make_memloc): Simliarly for 'i'.
+       (find_reloads_address_1): Similarly for 'link'.
+       * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
+       (emit_reload_insns): Similarly for 'second_reloadreg'.
+       * unroll.c (iteration_info): Similarly for 'v'.
+
+       * caller-save.c (insert_save_restore): Remove unused variable 'i'.
+       * calls.c (expand_call): Similarly for 'i'.
+       (emit_library_call, emit_library_call_value): Similarly for 'mode'.
+       * fold-const.c (strip_compund_expr): Similarly for 'type'.
+       * function.c (fixup_var_refs_1): Similarly  for 'width'.
+       (fixup_memory_subreg): Similarly for 'saved'.
+       (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
+       (setjmp_protect): Similarly for 'sub'.
+       (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
+       * loop.c (record_giv): Similarly for 'p'.
+       (combine_givs): Similarly for 'temp_iv'.
+       (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
+       * recog.c (validate_replace_rtx_1): Similarly for 'width'.
+       * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
+       * unroll.c (unroll_loop): Similarly for 'copy'.
+       (iteration_info): Similarly for 'b'.
+       * varasm.c (assemble_string): Similarly for 'i'.
+       * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
+
 Fri Feb 13 14:38:34 1998  Jim Wilson  <wilson@cygnus.com>
 
        * dwarf2out.c (decl_scope_node): New type.

diff --git a/gcc/bitmap.c b/gcc/bitmap.c
index 3cb81757602f57fc5a7df848ede41dd2c24a63c8..8fb9f27cb460d169e8597640489e2060afbf6aed 100644 (file)
--- a/gcc/bitmap.c
+++ b/gcc/bitmap.c
@@ -92,7 +92,9 @@ bitmap_element_allocate (head)
      bitmap head;
 {
   bitmap_element *element;
+#if BITMAP_ELEMENT_WORDS != 2
   int i;
+#endif
 
   if (bitmap_free != 0)
     {
@@ -246,7 +248,9 @@ bitmap_copy (to, from)
      bitmap from;
 {
   bitmap_element *from_ptr, *to_ptr = 0;
+#if BITMAP_ELEMENT_WORDS != 2
   int i;
+#endif
 
   bitmap_clear (to);
 
@@ -413,7 +417,9 @@ bitmap_operation (to, from1, from2, operation)
   bitmap_element *from1_tmp;
   bitmap_element *from2_tmp;
   unsigned int indx;
+#if BITMAP_ELEMENT_WORDS != 2
   int i;
+#endif
 
   /* To simplify things, always create a new list.  If the old list was one
      of the inputs, free it later.  Otherwise, free it now.  */

diff --git a/gcc/caller-save.c b/gcc/caller-save.c
index d1c541e54227e00859ba2172fd6887d557bee125..4053aa093d57eb2442ba9d5fdb89fffeec4b6308 100644 (file)
--- a/gcc/caller-save.c
+++ b/gcc/caller-save.c
@@ -1,5 +1,5 @@
 /* Save and restore call-clobbered registers which are live across a call.
-   Copyright (C) 1989, 1992, 1994, 1995, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1992, 94-95, 1997, 1998 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -642,7 +642,7 @@ insert_save_restore (insn, save_p, regno, insn_mode, maxrestore)
 {
   rtx pat;
   enum insn_code code;
-  int i, numregs;
+  int numregs;
 
   /* A common failure mode if register status is not correct in the RTL
      is for this routine to be called with a REGNO we didn't expect to

diff --git a/gcc/calls.c b/gcc/calls.c
index 6c52191036286927e321f2f80721c76afc4f0176..962882d383e1d52a3b224528abad5386c7b428ae 100644 (file)
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -2110,7 +2110,6 @@ expand_call (exp, target, ignore)
         Deal with them explicitly by copying from the return registers
         into the target MEM locations.  */
       int bytes = int_size_in_bytes (TREE_TYPE (exp));
-      int i;
       rtx src, dst;
       int bitsize = MIN (TYPE_ALIGN (TREE_TYPE (exp)), BITS_PER_WORD);
       int bitpos, xbitpos, big_endian_correction = 0;
@@ -2696,7 +2695,6 @@ emit_library_call VPROTO((rtx orgfun, int no_queue, enum machine_mode outmode,
      are to be pushed.  */
   for (count = 0; count < nargs; count++, argnum += inc)
     {
-      register enum machine_mode mode = argvec[argnum].mode;
       register rtx val = argvec[argnum].value;
       rtx reg = argvec[argnum].reg;
       int partial = argvec[argnum].partial;
@@ -3272,7 +3270,6 @@ emit_library_call_value VPROTO((rtx orgfun, rtx value, int no_queue,
      are to be pushed.  */
   for (count = 0; count < nargs; count++, argnum += inc)
     {
-      register enum machine_mode mode = argvec[argnum].mode;
       register rtx val = argvec[argnum].value;
       rtx reg = argvec[argnum].reg;
       int partial = argvec[argnum].partial;

diff --git a/gcc/combine.c b/gcc/combine.c
index 615a28b07148625d191d508a54a669a10907dae6..81f4d9bb6e212a6b16d8a83743211c37fa733d27 100644 (file)
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -1198,7 +1198,11 @@ combinable_i3pat (i3, loc, i2dest, i1dest, i1_not_in_src, pi3dest_killed)
       rtx set = expand_field_assignment (x);
       rtx dest = SET_DEST (set);
       rtx src = SET_SRC (set);
-      rtx inner_dest = dest, inner_src = src;
+      rtx inner_dest = dest;
+ 
+#if 0
+      rtx inner_src = src;
+#endif
 
       SUBST (*loc, set);
 

diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index 035ca69c0d00fc52dfdadcc811cc03a3afe23006..3c9d47d38fd8eea061ce0cb07c5ad35b13621e91 100644 (file)
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -1670,7 +1670,6 @@ do {                                              \
 
 #define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN)                         \
 {                                                                      \
-  rtx orig_x = (X);                                                    \
   (X) = legitimize_address (X, OLDX, MODE);                            \
   if (memory_address_p (MODE, X))                                      \
     goto WIN;                                                          \

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index f4d5c8054b905b8b448f670a30e4b68a59d46cda..4d021dbfebcb1be2beb9a27df2521905b72fa748 100644 (file)
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -3664,7 +3664,6 @@ strip_compound_expr (t, s)
      tree t;
      tree s;
 {
-  tree type = TREE_TYPE (t);
   enum tree_code code = TREE_CODE (t);
 
   /* See if this is the COMPOUND_EXPR we want to eliminate.  */

diff --git a/gcc/function.c b/gcc/function.c
index 52295eb2dbce384abba32da9d9a081c2770d6266..6c274edf21b5f7a437f26150b2fc7741d7f3f0db 100644 (file)
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -1849,7 +1849,6 @@ fixup_var_refs_1 (var, promoted_mode, loc, insn, replacements)
            {
              enum machine_mode wanted_mode = VOIDmode;
              enum machine_mode is_mode = GET_MODE (tem);
-             int width = INTVAL (XEXP (x, 1));
              int pos = INTVAL (XEXP (x, 2));
 
 #ifdef HAVE_extzv
@@ -1998,7 +1997,9 @@ fixup_var_refs_1 (var, promoted_mode, loc, insn, replacements)
       {
        rtx dest = SET_DEST (x);
        rtx src = SET_SRC (x);
+#ifdef HAVE_insv
        rtx outerdest = dest;
+#endif
 
        while (GET_CODE (dest) == SUBREG || GET_CODE (dest) == STRICT_LOW_PART
               || GET_CODE (dest) == SIGN_EXTRACT
@@ -2268,7 +2269,7 @@ fixup_memory_subreg (x, insn, uncritical)
   int offset = SUBREG_WORD (x) * UNITS_PER_WORD;
   rtx addr = XEXP (SUBREG_REG (x), 0);
   enum machine_mode mode = GET_MODE (x);
-  rtx saved, result;
+  rtx result;
 
   /* Paradoxical SUBREGs are usually invalid during RTL generation.  */
   if (GET_MODE_SIZE (mode) > GET_MODE_SIZE (GET_MODE (SUBREG_REG (x)))
@@ -4483,14 +4484,14 @@ locate_and_pad_parm (passed_mode, type, in_regs, fndecl,
     = type ? size_in_bytes (type) : size_int (GET_MODE_SIZE (passed_mode));
   enum direction where_pad = FUNCTION_ARG_PADDING (passed_mode, type);
   int boundary = FUNCTION_ARG_BOUNDARY (passed_mode, type);
-  int boundary_in_bytes = boundary / BITS_PER_UNIT;
-  int reg_parm_stack_space = 0;
 
 #ifdef REG_PARM_STACK_SPACE
   /* If we have found a stack parm before we reach the end of the
      area reserved for registers, skip that area.  */
   if (! in_regs)
     {
+      int reg_parm_stack_space = 0;
+
 #ifdef MAYBE_REG_PARM_STACK_SPACE
       reg_parm_stack_space = MAYBE_REG_PARM_STACK_SPACE;
 #else
@@ -4732,7 +4733,7 @@ setjmp_protect (block)
 void
 setjmp_protect_args ()
 {
-  register tree decl, sub;
+  register tree decl;
   for (decl = DECL_ARGUMENTS (current_function_decl);
        decl; decl = TREE_CHAIN (decl))
     if ((TREE_CODE (decl) == VAR_DECL
@@ -5893,7 +5894,7 @@ thread_prologue_and_epilogue_insns (f)
 #ifdef HAVE_prologue
   if (HAVE_prologue)
     {
-      rtx head, seq, insn;
+      rtx head, seq;
 
       /* The first insn (a NOTE_INSN_DELETED) is followed by zero or more
         prologue insns and a NOTE_INSN_PROLOGUE_END.  */

diff --git a/gcc/loop.c b/gcc/loop.c
index c76601965ecdec6672696e554402079862c9c61e..7f192d0c26034d421df29c3933126a02d9dee5ba 100644 (file)
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -4659,7 +4659,6 @@ record_giv (v, insn, src_reg, dest_reg, mult_val, add_val, benefit,
   struct induction *b;
   struct iv_class *bl;
   rtx set = single_set (insn);
-  rtx p;
 
   v->insn = insn;
   v->src_reg = src_reg;
@@ -5836,7 +5835,7 @@ static void
 combine_givs (bl)
      struct iv_class *bl;
 {
-  struct induction *g1, *g2, **giv_array, *temp_iv;
+  struct induction *g1, *g2, **giv_array;
   int i, j, giv_count, pass;
 
   /* Count givs, because bl->giv_count is incorrect here.  */
@@ -7682,7 +7681,6 @@ indirect_jump_in_function_p (start)
      rtx start;
 {
   rtx insn;
-  int is_indirect_jump = 0;
 
   for (insn = start; insn; insn = NEXT_INSN (insn))
     if (computed_jump_p (insn))

diff --git a/gcc/recog.c b/gcc/recog.c
index ef8d7626e3f716e2448ac6572e2dcf6fe0c2dc32..32daf793af747bc3f230317c5477f7fe78730e99 100644 (file)
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -1,5 +1,5 @@
 /* Subroutines used by or related to instruction recognition.
-   Copyright (C) 1987, 1988, 91-6, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1988, 91-97, 1998 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -466,7 +466,6 @@ validate_replace_rtx_1 (loc, from, to, object)
        {
          enum machine_mode wanted_mode = VOIDmode;
          enum machine_mode is_mode = GET_MODE (to);
-         int width = INTVAL (XEXP (x, 1));
          int pos = INTVAL (XEXP (x, 2));
 
 #ifdef HAVE_extzv

diff --git a/gcc/regclass.c b/gcc/regclass.c
index ef64cb194f37bbd74750a3c044e30b8018fce6c9..1f369a7ec65ec6e1bfa1a8fb152a839afc97811a 100644 (file)
--- a/gcc/regclass.c
+++ b/gcc/regclass.c
@@ -1,5 +1,5 @@
 /* Compute register class preferences for pseudo-registers.
-   Copyright (C) 1987, 88, 91-96, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1987, 88, 91-97, 1998 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -1408,7 +1408,9 @@ copy_cost (x, mode, class, to_p)
      enum reg_class class;
      int to_p;
 {
+#ifdef HAVE_SECONDARY_RELOADS
   enum reg_class secondary_class = NO_REGS;
+#endif
 
   /* If X is a SCRATCH, there is actually nothing to move since we are
      assuming optimal allocation.  */

diff --git a/gcc/reload.c b/gcc/reload.c
index 22c8c4e26a17d7aebad7701248e2c0ebbeb7de0b..bf79834e1633c9a541b2746cddce1419be6c5afd 100644 (file)
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -4256,7 +4256,9 @@ make_memloc (ad, regno)
      rtx ad;
      int regno;
 {
+#if 0
   register int i;
+#endif
   /* We must rerun eliminate_regs, in case the elimination
      offsets have changed.  */
   rtx tem = XEXP (eliminate_regs (reg_equiv_memory_loc[regno], 0, NULL_RTX), 0);
@@ -4968,7 +4970,9 @@ find_reloads_address_1 (mode, x, context, loc, opnum, type, ind_levels, insn)
               || !(context ? REGNO_OK_FOR_INDEX_P (regno)
                    : REGNO_MODE_OK_FOR_BASE_P (regno, mode))))
            {
+#ifdef AUTO_INC_DEC
              register rtx link;
+#endif
              int reloadnum;
 
              /* If we can output the register afterwards, do so, this

diff --git a/gcc/reload1.c b/gcc/reload1.c
index 01263c8e4523ddd694f8c6f13d96ac8a446f057c..ed29d25e85e20e38d9d2b3cab841be727b529653 100644 (file)
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -890,7 +890,9 @@ reload (first, global, dumpfile)
       rtx max_nongroups_insn[N_REG_CLASSES];
       rtx x;
       HOST_WIDE_INT starting_frame_size;
+#if HARD_FRAME_POINTER_REGNUM != FRAME_POINTER_REGNUM
       int previous_frame_pointer_needed = frame_pointer_needed;
+#endif
       static char *reg_class_names[] = REG_CLASS_NAMES;
 
       something_changed = 0;
@@ -6600,7 +6602,9 @@ emit_reload_insns (insn)
          && reload_reg_rtx[j] != 0)
        {
          register rtx reloadreg = reload_reg_rtx[j];
+#ifdef SECONDARY_OUTPUT_RELOAD_CLASS
          register rtx second_reloadreg = 0;
+#endif
          rtx note, p;
          enum machine_mode mode;
          int special = 0;

diff --git a/gcc/tree.c b/gcc/tree.c
index e7138f7133a45251c6e5808ab42709dc75dbac55..9659cd0ff811d47d9797fc8afd74d787e01d7352 100644 (file)
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -1,5 +1,5 @@
 /* Language-independent node constructors for parse phase of GNU compiler.
-   Copyright (C) 1987, 88, 92-96, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1987, 88, 92-97, 1998 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -4796,7 +4796,6 @@ get_set_constructor_bytes (init, buffer, wd_size)
      int wd_size;
 {
   int i;
-  tree vals = TREE_OPERAND (init, 1);
   int set_word_size = BITS_PER_UNIT;
   int bit_size = wd_size * set_word_size;
   int bit_pos = 0;

diff --git a/gcc/unroll.c b/gcc/unroll.c
index d814dd901cf70e9aae2793ec0b023af3f56743d8..996675d406e2c81745c0e7cadd23751c713a5fe6 100644 (file)
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -1,5 +1,5 @@
 /* Try to unroll loops, and split induction variables.
-   Copyright (C) 1992, 1993, 1994, 1995, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1992, 93-95, 1997, 1998 Free Software Foundation, Inc.
    Contributed by James E. Wilson, Cygnus Support/UC Berkeley.
 
 This file is part of GNU CC.
@@ -235,7 +235,7 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before,
   int i, j, temp;
   int unroll_number = 1;
   rtx copy_start, copy_end;
-  rtx insn, copy, sequence, pattern, tem;
+  rtx insn, sequence, pattern, tem;
   int max_labelno, max_insnno;
   rtx insert_before;
   struct inline_remap *map;
@@ -2309,7 +2309,9 @@ iteration_info (iteration_var, initial_value, increment, loop_start, loop_end)
      rtx loop_start, loop_end;
 {
   struct iv_class *bl;
-  struct induction *v, *b;
+#if 0
+  struct induction *v;
+#endif
 
   /* Clear the result values, in case no answer can be found.  */
   *initial_value = 0;

diff --git a/gcc/varasm.c b/gcc/varasm.c
index afd70d38c84c0a914e2da8cb6052df8dcfe87cda..011b2341d88d8ae7c72cadef038d02f55ae3f5af 100644 (file)
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -1073,7 +1073,6 @@ assemble_string (p, size)
      char *p;
      int size;
 {
-  register int i;
   int pos = 0;
   int maximum = 2000;
 
@@ -3537,6 +3536,10 @@ output_constant_pool (fnname, fndecl)
 
     }
 
+#ifdef ASM_OUTPUT_SPECIAL_POOL_ENTRY
+    done: ;
+#endif
+
 #ifdef ASM_OUTPUT_POOL_EPILOGUE
   ASM_OUTPUT_POOL_EPILOGUE (asm_out_file, fnname, fndecl, pool_offset);
 #endif