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

libjava/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.
+
 2010-04-07  Jason Merrill  <jason@redhat.com>
 
 	* gnu/gcj/runtime/natSharedLibLoader.cc (findCore): Move

libjava/classpath/ChangeLog.gcj

@@ -1,3 +1,9 @@
+2010-04-07  Jakub Jelinek  <jakub@redhat.com>
+
+	* 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.
+
 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
 
 	* gnu/java/rmi/registry/RegistryImpl.java (version): Update

libjava/classpath/native/jni/midi-alsa/gnu_javax_sound_midi_alsa_AlsaPortDevice.c

@@ -1,5 +1,5 @@
 /* gnu_javax_sound_midi_alsa_AlsaPortDevice.c - Native support
-   Copyright (C) 2005 
+   Copyright (C) 2005, 2010
    Free Software Foundation, Inc.
    
 This file is part of GNU Classpath.
@@ -48,7 +48,6 @@ Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1
   (JNIEnv *env, jobject this __attribute__((unused)), 
    jlong client, jlong port, jobject receiver)
 {
-  int rc;
   snd_seq_port_info_t *pinfo, *sinfo;
   snd_seq_port_subscribe_t *subs;
   snd_seq_addr_t sender, dest;
@@ -58,12 +57,12 @@ Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1
   snd_seq_port_info_alloca (&sinfo);
   snd_seq_port_subscribe_alloca (&subs);
 
-  rc = snd_seq_open (&seq, "default", SND_SEQ_OPEN_DUPLEX, SND_SEQ_NONBLOCK);
+  snd_seq_open (&seq, "default", SND_SEQ_OPEN_DUPLEX, SND_SEQ_NONBLOCK);
 
   snd_seq_port_info_set_capability (pinfo, SND_SEQ_PORT_CAP_WRITE);
   snd_seq_port_info_set_type (pinfo, SND_SEQ_PORT_TYPE_MIDI_GENERIC);
 
-  rc = snd_seq_create_port (seq, pinfo);
+  snd_seq_create_port (seq, pinfo);
 
   sender.client = (int) client;
   sender.port = (int) port;
@@ -72,7 +71,7 @@ Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1
 
   snd_seq_port_subscribe_set_sender (subs, &sender);
   snd_seq_port_subscribe_set_dest (subs, &dest);
-  rc = snd_seq_subscribe_port(seq, subs);
+  snd_seq_subscribe_port(seq, subs);
 
   {
     int npfd;

libjava/exception.cc

@@ -1,6 +1,6 @@
 // Functions for Exception Support for Java.
 
-/* Copyright (C) 1998, 1999, 2001, 2002, 2006  Free Software Foundation
+/* Copyright (C) 1998, 1999, 2001, 2002, 2006, 2010  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -111,11 +111,10 @@ _Jv_Throw (jthrowable value)
 
   /* We're happy with setjmp/longjmp exceptions or region-based
      exception handlers: entry points are provided here for both.  */
-  _Unwind_Reason_Code code;
 #ifdef SJLJ_EXCEPTIONS
-  code = _Unwind_SjLj_RaiseException (&xh->unwindHeader);
+  _Unwind_SjLj_RaiseException (&xh->unwindHeader);
 #else
-  code = _Unwind_RaiseException (&xh->unwindHeader);
+  _Unwind_RaiseException (&xh->unwindHeader);
 #endif
 
   /* If code == _URC_END_OF_STACK, then we reached top of stack without

libjava/include/java-assert.h

@@ -1,6 +1,6 @@
 // java-assert.h - Header file holding assertion definitions.  -*- c++ -*-
 
-/* Copyright (C) 1998, 1999  Free Software Foundation
+/* Copyright (C) 1998, 1999, 2010  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -29,8 +29,8 @@ void _Jv_Abort (const char *, const char *, int, const char *)
 #else /* __GCJ_DEBUG */
 
 #define _Jv_AssertDoCall(Message)
-#define JvAssertMessage(Expr, Message)
-#define JvAssert(Expr)
+#define JvAssertMessage(Expr, Message) (void) sizeof (Expr)
+#define JvAssert(Expr) (void) sizeof (Expr)
 #define JvFail(Message) _Jv_Abort (0, 0, 0, Message)
 
 #endif /* not __GCJ_DEBUG */