remove useless unused attributes in i386 code

gcc/

	* config/i386/driver-i386.c: Remove names of unused arguments and
	unnecessary unused attributes.
	* config/i386/host-mingw32.c: Likewise.
	* config/i386/i386.c: Likewise.
	* config/i386/winnt-stubs.c: Likewise.
	* config/i386/winnt.c: Likewise.

From-SVN: r212968

gcc/ChangeLog

+2014-07-24  Trevor Saunders  <tsaunders@mozilla.com>
+
+	* config/i386/driver-i386.c: Remove names of unused arguments and
+	unnecessary unused attributes.
+	* config/i386/host-mingw32.c: Likewise.
+	* config/i386/i386.c: Likewise.
+	* config/i386/winnt-stubs.c: Likewise.
+	* config/i386/winnt.c: Likewise.
+
 2014-07-23  Jiong Wang  <jiong.wang@arm.com>
 
 	* config/aarch64/aarch64.c (aarch64_popwb_pair_reg)

gcc/config/i386/driver-i386.c

@@ -920,8 +920,7 @@ done:
    -march and -mtune "native" target and will leave to the newly
    built compiler to generate code for its default target.  */
 
-const char *host_detect_local_cpu (int argc ATTRIBUTE_UNUSED,
-				   const char **argv ATTRIBUTE_UNUSED)
+const char *host_detect_local_cpu (int, const char **)
 {
   return NULL;
 }

gcc/config/i386/host-mingw32.c

@@ -83,7 +83,7 @@ mingw32_gt_pch_alloc_granularity (void)
    open file descriptor if the host would like to probe with mmap.  */
 
 static void *
-mingw32_gt_pch_get_address (size_t size, int fd  ATTRIBUTE_UNUSED)
+mingw32_gt_pch_get_address (size_t size, int)
 {
   void* res;
   size = (size + va_granularity - 1) & ~(va_granularity - 1);

gcc/config/i386/winnt-stubs.c

@@ -33,19 +33,19 @@ along with GCC; see the file COPYING3.  If not see
 #include "hashtab.h"
 
 bool
-i386_pe_type_dllimport_p (tree decl ATTRIBUTE_UNUSED)
+i386_pe_type_dllimport_p (tree)
 {
   return false;
 }
 
 
 bool
-i386_pe_type_dllexport_p (tree decl ATTRIBUTE_UNUSED)
+i386_pe_type_dllexport_p (tree)
 {
   return false;
 }
 
 
 void
-i386_pe_adjust_class_at_definition (tree t ATTRIBUTE_UNUSED)
+i386_pe_adjust_class_at_definition (tree)
 { }

gcc/config/i386/winnt.c

@@ -66,9 +66,8 @@ along with GCC; see the file COPYING3.  If not see
 /* Handle a "shared" attribute;
    arguments as in struct attribute_spec.handler.  */
 tree
-ix86_handle_shared_attribute (tree *node, tree name,
-			      tree args ATTRIBUTE_UNUSED,
-			      int flags ATTRIBUTE_UNUSED, bool *no_add_attrs)
+ix86_handle_shared_attribute (tree *node, tree name, tree, int,
+			      bool *no_add_attrs)
 {
   if (TREE_CODE (*node) != VAR_DECL)
     {
@@ -83,9 +82,7 @@ ix86_handle_shared_attribute (tree *node, tree name,
 /* Handle a "selectany" attribute;
    arguments as in struct attribute_spec.handler.  */
 tree
-ix86_handle_selectany_attribute (tree *node, tree name,
-			         tree args ATTRIBUTE_UNUSED,
-			         int flags ATTRIBUTE_UNUSED,
+ix86_handle_selectany_attribute (tree *node, tree name, tree, int,
 				 bool *no_add_attrs)
 {
   /* The attribute applies only to objects that are initialized and have
@@ -264,8 +261,7 @@ i386_pe_maybe_mangle_decl_assembler_name (tree decl, tree id)
    user-specified visibility attributes.  */
 
 void
-i386_pe_assemble_visibility (tree decl,
-			     int vis ATTRIBUTE_UNUSED)
+i386_pe_assemble_visibility (tree decl, int)
 {
   if (!decl
       || !lookup_attribute ("visibility", DECL_ATTRIBUTES (decl)))
@@ -292,7 +288,7 @@ i386_pe_mangle_decl_assembler_name (tree decl, tree id)
    a file stream.  */
 
 tree
-i386_pe_mangle_assembler_name (const char *name ATTRIBUTE_UNUSED)
+i386_pe_mangle_assembler_name (const char *name)
 {
   const char *skipped = name + (*name == '*' ? 1 : 0);
   const char *stripped = targetm.strip_name_encoding (skipped);
@@ -467,7 +463,7 @@ i386_pe_reloc_rw_mask (void)
 #define SECTION_PE_SHARED	SECTION_MACH_DEP
 
 unsigned int
-i386_pe_section_type_flags (tree decl, const char *name, int reloc)
+i386_pe_section_type_flags (tree decl, const char *, int reloc)
 {
   unsigned int flags;
 
@@ -560,7 +556,7 @@ i386_pe_asm_named_section (const char *name, unsigned int flags,
 void
 i386_pe_asm_output_aligned_decl_common (FILE *stream, tree decl,
 					const char *name, HOST_WIDE_INT size,
-					HOST_WIDE_INT align ATTRIBUTE_UNUSED)
+					HOST_WIDE_INT align)
 {
   HOST_WIDE_INT rounded;
 
@@ -1276,8 +1272,7 @@ i386_pe_start_function (FILE *f, const char *name, tree decl)
 }
 
 void
-i386_pe_end_function (FILE *f, const char *name ATTRIBUTE_UNUSED,
-		      tree decl ATTRIBUTE_UNUSED)
+i386_pe_end_function (FILE *f, const char *, tree)
 {
   i386_pe_seh_fini (f);
 }