c-lex.c (handle_generic_pragma): Remove unused variable `c'.

       * c-lex.c (handle_generic_pragma): Remove unused variable `c'.

       * unroll.c (find_common_reg_term, subtract_reg_term,
       loop_find_equiv_value): Add static prototypes.
       (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
       (copy_loop_body): Remove unreachable break statement.

       * sparc.c (sparc_va_arg): Remove unused variable `tmp'.

       * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.

From-SVN: r29409

5 files changed, 21 insertions, 4 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 789fa51..2856cec 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,16 @@
+Tue Sep 14 12:22:50 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* c-lex.c (handle_generic_pragma): Remove unused variable `c'.
+
+	* unroll.c (find_common_reg_term, subtract_reg_term,
+	loop_find_equiv_value): Add static prototypes.
+	(unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
+	(copy_loop_body): Remove unreachable break statement.
+	
+	* sparc.c (sparc_va_arg): Remove unused variable `tmp'.
+
+	* sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
+	
 Tue Sep 14 15:28:00 1999  Bernd Schmidt  <bernds@cygnus.co.uk>
 
 	Undo some changes from the gcc2 merge:
diff --git a/gcc/c-lex.c b/gcc/c-lex.c
index 96a4b73..1af77d4 100644
--- a/gcc/c-lex.c
+++ b/gcc/c-lex.c
@@ -871,8 +871,6 @@ static int
 handle_generic_pragma (token)
      register int token;
 {
-  register int c;
-
   for (;;)
     {
       switch (token)
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index 6d33f4e..a9e49e7 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -4305,7 +4305,7 @@ sparc_va_arg (valist, type)
      tree valist, type;
 {
   HOST_WIDE_INT size, rsize, align;
-  tree addr, incr, tmp;
+  tree addr, incr;
   rtx addr_rtx;
   int indirect = 0;
 
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h
index 6957a12..1abb047 100644
--- a/gcc/config/sparc/sparc.h
+++ b/gcc/config/sparc/sparc.h
@@ -2045,10 +2045,12 @@ void sparc64_initialize_trampoline ();
 extern struct rtx_def *sparc_builtin_saveregs ();
 #define EXPAND_BUILTIN_SAVEREGS() sparc_builtin_saveregs ()
 
+extern void sparc_va_start ();
 /* Implement `va_start' for varargs and stdarg.  */
 #define EXPAND_BUILTIN_VA_START(stdarg, valist, nextarg) \
   sparc_va_start (stdarg, valist, nextarg)
 
+extern struct rtx_def *sparc_va_arg ();
 /* Implement `va_arg'.  */
 #define EXPAND_BUILTIN_VA_ARG(valist, type) \
   sparc_va_arg (valist, type)
diff --git a/gcc/unroll.c b/gcc/unroll.c
index 23932fb..ea11acf 100644
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -208,6 +208,9 @@ static int reg_dead_after_loop PROTO((rtx, rtx, rtx));
 static rtx fold_rtx_mult_add PROTO((rtx, rtx, rtx, enum machine_mode));
 static int verify_addresses PROTO((struct induction *, rtx, int));
 static rtx remap_split_bivs PROTO((rtx));
+static rtx find_common_reg_term PROTO((rtx, rtx));
+static rtx subtract_reg_term PROTO((rtx, rtx));
+static rtx loop_find_equiv_value PROTO((rtx, rtx));
 
 /* Try to unroll one loop and split induction variables in the loop.
 
@@ -339,7 +342,9 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before,
 	}
       else if (GET_CODE (last_loop_insn) == JUMP_INSN)
 	{
+#ifdef HAVE_cc0
 	  rtx prev = PREV_INSN (last_loop_insn);
+#endif
 	  delete_insn (last_loop_insn);
 #ifdef HAVE_cc0
 	  /* The immediately preceding insn may be a compare which must be
@@ -2157,7 +2162,6 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration,
 
 	default:
 	  abort ();
-	  break;
 	}
 
       map->insn_map[INSN_UID (insn)] = copy;