tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not used count variable.

	* tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
	used count variable.
	* genemit.c (gen_expand, gen_split): Avoid set but not used warnings
	when operandN variables aren't used in the body of the expander
	or splitter.
	* tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
	FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
	* tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
	* tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
	FOR_EACH_IMM_USE_ON_STMT): Likewise.
	* tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
	* tree.c (PROCESS_ARG): Likewise.
fortran/
	* parse.c (parse_derived, parse_enum): Avoid set but not used
	warning.
java/
	* expr.c (process_jvm_instruction): Avoid set but not used warning.
	* builtins.c (compareAndSwapInt_builtin, compareAndSwapLong_builtin,
	getVolatile_builtin): Likewise.
libjava/
	* exception.cc (_Jv_Throw): Avoid set but not used warning.
	* include/java-assert.h (JvAssertMessage, JvAssert): Use argument in
	sizeof to avoid set but not used warnings.
libjava/classpath/
	* native/jni/midi-alsa/gnu_javax_sound_midi_alsa_AlsaPortDevice.c
	(Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1):
	Avoid set but not used warning.
libiberty/
	* regex.c (byte_re_match_2_internal): Avoid set but not used
	warning.
gcc/testsuite/
	* gcc.dg/builtin-choose-expr.c: Avoid set but not used warnings.
	* gcc.dg/trunc-1.c: Likewise.
	* gcc.dg/vla-9.c: Likewise.
	* gcc.dg/dfp/composite-type.c: Likewise.
libffi/
	* testsuite/libffi.call/err_bad_abi.c: Remove unused args variable.

From-SVN: r158084

3 files changed, 13 insertions, 3 deletions

diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog
index 3fefe43..f1a6080 100644
--- a/gcc/java/ChangeLog
+++ b/gcc/java/ChangeLog
@@ -1,3 +1,9 @@
+2010-04-07  Jakub Jelinek  <jakub@redhat.com>
+
+	* exception.cc (_Jv_Throw): Avoid set but not used warning.
+	* include/java-assert.h (JvAssertMessage, JvAssert): Use argument in
+	sizeof to avoid set but not used warnings.
+
 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
 
 	* lang.c (java_post_options): Constify variable "dot".
diff --git a/gcc/java/builtins.c b/gcc/java/builtins.c
index 099b9e0..a4f59f9 100644
--- a/gcc/java/builtins.c
+++ b/gcc/java/builtins.c
@@ -1,5 +1,5 @@
 /* Built-in and inline functions for gcj
-   Copyright (C) 2001, 2003, 2004, 2005, 2006, 2007, 2009
+   Copyright (C) 2001, 2003, 2004, 2005, 2006, 2007, 2009, 2010
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -323,6 +323,7 @@ compareAndSwapInt_builtin (tree method_return_type ATTRIBUTE_UNUSED,
     {
       tree addr, stmt;
       UNMARSHAL5 (orig_call);
+      (void) value_type; /* Avoid set but not used warning.  */
 
       addr = build_addr_sum (int_type_node, obj_arg, offset_arg);
       stmt = build_call_expr (built_in_decls[BUILT_IN_BOOL_COMPARE_AND_SWAP_4],
@@ -347,6 +348,7 @@ compareAndSwapLong_builtin (tree method_return_type ATTRIBUTE_UNUSED,
     {
       tree addr, stmt;
       UNMARSHAL5 (orig_call);
+      (void) value_type; /* Avoid set but not used warning.  */
 
       addr = build_addr_sum (long_type_node, obj_arg, offset_arg);
       stmt = build_call_expr (built_in_decls[BUILT_IN_BOOL_COMPARE_AND_SWAP_8],
@@ -410,7 +412,8 @@ getVolatile_builtin (tree method_return_type ATTRIBUTE_UNUSED,
 {
   tree addr, stmt, modify_stmt, tmp;
   UNMARSHAL3 (orig_call);
-  
+  (void) this_arg; /* Avoid set but not used warning.  */
+
   addr = build_addr_sum (method_return_type, obj_arg, offset_arg);
   addr 
     = fold_convert (build_pointer_type (build_type_variant 
diff --git a/gcc/java/expr.c b/gcc/java/expr.c
index 3c0e2ca..a6a3f39 100644
--- a/gcc/java/expr.c
+++ b/gcc/java/expr.c
@@ -1,6 +1,6 @@
 /* Process expressions for the GNU compiler for the Java(TM) language.
    Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+   2005, 2006, 2007, 2008, 2010 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -3329,6 +3329,7 @@ process_jvm_instruction (int PC, const unsigned char* byte_ops,
   {									\
     int saw_index = 0;							\
     int index     = OPERAND_VALUE;					\
+    (void) saw_index; /* Avoid set but not used warning.  */		\
     build_java_ret							\
       (find_local_variable (index, return_address_type_node, oldpc));	\
   }