matrix-reorg.c (compute_offset): Avoid C++ keywords.

	* matrix-reorg.c (compute_offset): Avoid C++ keywords.

	* c-common.c: Fix typo.
	(c_common_reswords): Activate more C++ keyword warnings.

testsuite:
	* gcc.dg/Wcxx-compat-2.c: Adjust test for more warnings.

From-SVN: r138817

gcc/ChangeLog

+2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* c-common.c: Fix typo.
+	(c_common_reswords): Activate more C++ keyword warnings.
+
+	* matrix-reorg.c (compute_offset): Avoid C++ keywords.
+
 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
        
 	PR 26785

gcc/c-common.c

@@ -598,7 +598,7 @@ static int resort_field_decl_cmp (const void *, const void *);
    If -fno-asm is used, D_ASM is added to the mask.  If
    -fno-gnu-keywords is used, D_EXT is added.  If -fno-asm and C in
    C89 mode, D_EXT89 is added for both -fno-asm and -fno-gnu-keywords.
-   In C with -Wcxx-compat, we warn if D_CXXWARN is set.  */
+   In C with -Wc++-compat, we warn if D_CXXWARN is set.  */
 
 const struct c_common_resword c_common_reswords[] =
 {
@@ -668,41 +668,41 @@ const struct c_common_resword c_common_reswords[] =
   { "bool",		RID_BOOL,	D_CXXONLY },
   { "break",		RID_BREAK,	0 },
   { "case",		RID_CASE,	0 },
-  { "catch",		RID_CATCH,	D_CXX_OBJC },
+  { "catch",		RID_CATCH,	D_CXX_OBJC | D_CXXWARN },
   { "char",		RID_CHAR,	0 },
-  { "char16_t",		RID_CHAR16,	D_CXXONLY | D_CXX0X },
-  { "char32_t",		RID_CHAR32,	D_CXXONLY | D_CXX0X },
-  { "class",		RID_CLASS,	D_CXX_OBJC },
+  { "char16_t",		RID_CHAR16,	D_CXXONLY | D_CXX0X | D_CXXWARN },
+  { "char32_t",		RID_CHAR32,	D_CXXONLY | D_CXX0X | D_CXXWARN },
+  { "class",		RID_CLASS,	D_CXX_OBJC | D_CXXWARN },
   { "const",		RID_CONST,	0 },
   { "const_cast",	RID_CONSTCAST,	D_CXXONLY | D_CXXWARN },
   { "continue",		RID_CONTINUE,	0 },
-  { "decltype",         RID_DECLTYPE,   D_CXXONLY | D_CXX0X },
+  { "decltype",         RID_DECLTYPE,   D_CXXONLY | D_CXX0X | D_CXXWARN },
   { "default",		RID_DEFAULT,	0 },
-  { "delete",		RID_DELETE,	D_CXXONLY },
+  { "delete",		RID_DELETE,	D_CXXONLY | D_CXXWARN },
   { "do",		RID_DO,		0 },
   { "double",		RID_DOUBLE,	0 },
   { "dynamic_cast",	RID_DYNCAST,	D_CXXONLY | D_CXXWARN },
   { "else",		RID_ELSE,	0 },
   { "enum",		RID_ENUM,	0 },
-  { "explicit",		RID_EXPLICIT,	D_CXXONLY },
-  { "export",		RID_EXPORT,	D_CXXONLY },
+  { "explicit",		RID_EXPLICIT,	D_CXXONLY | D_CXXWARN },
+  { "export",		RID_EXPORT,	D_CXXONLY | D_CXXWARN },
   { "extern",		RID_EXTERN,	0 },
-  { "false",		RID_FALSE,	D_CXXONLY },
+  { "false",		RID_FALSE,	D_CXXONLY | D_CXXWARN },
   { "float",		RID_FLOAT,	0 },
   { "for",		RID_FOR,	0 },
-  { "friend",		RID_FRIEND,	D_CXXONLY },
+  { "friend",		RID_FRIEND,	D_CXXONLY | D_CXXWARN },
   { "goto",		RID_GOTO,	0 },
   { "if",		RID_IF,		0 },
   { "inline",		RID_INLINE,	D_EXT89 },
   { "int",		RID_INT,	0 },
   { "long",		RID_LONG,	0 },
   { "mutable",		RID_MUTABLE,	D_CXXONLY | D_CXXWARN },
-  { "namespace",	RID_NAMESPACE,	D_CXXONLY },
-  { "new",		RID_NEW,	D_CXXONLY },
-  { "operator",		RID_OPERATOR,	D_CXXONLY },
-  { "private",		RID_PRIVATE,	D_CXX_OBJC },
-  { "protected",	RID_PROTECTED,	D_CXX_OBJC },
-  { "public",		RID_PUBLIC,	D_CXX_OBJC },
+  { "namespace",	RID_NAMESPACE,	D_CXXONLY | D_CXXWARN },
+  { "new",		RID_NEW,	D_CXXONLY | D_CXXWARN },
+  { "operator",		RID_OPERATOR,	D_CXXONLY | D_CXXWARN },
+  { "private",		RID_PRIVATE,	D_CXX_OBJC | D_CXXWARN },
+  { "protected",	RID_PROTECTED,	D_CXX_OBJC | D_CXXWARN },
+  { "public",		RID_PUBLIC,	D_CXX_OBJC | D_CXXWARN },
   { "register",		RID_REGISTER,	0 },
   { "reinterpret_cast",	RID_REINTCAST,	D_CXXONLY | D_CXXWARN },
   { "restrict",		RID_RESTRICT,	D_CONLY | D_C99 },
@@ -715,19 +715,19 @@ const struct c_common_resword c_common_reswords[] =
   { "static_cast",	RID_STATCAST,	D_CXXONLY | D_CXXWARN },
   { "struct",		RID_STRUCT,	0 },
   { "switch",		RID_SWITCH,	0 },
-  { "template",		RID_TEMPLATE,	D_CXXONLY },
-  { "this",		RID_THIS,	D_CXXONLY },
-  { "throw",		RID_THROW,	D_CXX_OBJC },
-  { "true",		RID_TRUE,	D_CXXONLY },
-  { "try",		RID_TRY,	D_CXX_OBJC },
+  { "template",		RID_TEMPLATE,	D_CXXONLY | D_CXXWARN },
+  { "this",		RID_THIS,	D_CXXONLY | D_CXXWARN },
+  { "throw",		RID_THROW,	D_CXX_OBJC | D_CXXWARN },
+  { "true",		RID_TRUE,	D_CXXONLY | D_CXXWARN },
+  { "try",		RID_TRY,	D_CXX_OBJC | D_CXXWARN },
   { "typedef",		RID_TYPEDEF,	0 },
-  { "typename",		RID_TYPENAME,	D_CXXONLY },
-  { "typeid",		RID_TYPEID,	D_CXXONLY },
+  { "typename",		RID_TYPENAME,	D_CXXONLY | D_CXXWARN },
+  { "typeid",		RID_TYPEID,	D_CXXONLY | D_CXXWARN },
   { "typeof",		RID_TYPEOF,	D_ASM | D_EXT },
   { "union",		RID_UNION,	0 },
   { "unsigned",		RID_UNSIGNED,	0 },
-  { "using",		RID_USING,	D_CXXONLY },
-  { "virtual",		RID_VIRTUAL,	D_CXXONLY },
+  { "using",		RID_USING,	D_CXXONLY | D_CXXWARN },
+  { "virtual",		RID_VIRTUAL,	D_CXXONLY | D_CXXWARN },
   { "void",		RID_VOID,	0 },
   { "volatile",		RID_VOLATILE,	0 },
   { "wchar_t",		RID_WCHAR,	D_CXXONLY },

gcc/matrix-reorg.c

@@ -1755,16 +1755,20 @@ record_all_accesses_in_func (void)
   sbitmap_free (visited_stmts_1);
 }
 
-/* Used when we want to convert the expression: RESULT =  something * ORIG to RESULT = something * NEW. If ORIG and NEW are power of 2, shift operations can be done, else division and multiplication.  */
+/* Used when we want to convert the expression: RESULT = something *
+   ORIG to RESULT = something * NEW_VAL. If ORIG and NEW_VAL are power
+   of 2, shift operations can be done, else division and
+   multiplication.  */
+
 static tree
-compute_offset (HOST_WIDE_INT orig, HOST_WIDE_INT new, tree result)
+compute_offset (HOST_WIDE_INT orig, HOST_WIDE_INT new_val, tree result)
 {
 
   int x, y;
   tree result1, ratio, log, orig_tree, new_tree;
 
   x = exact_log2 (orig);
-  y = exact_log2 (new);
+  y = exact_log2 (new_val);
 
   if (x != -1 && y != -1)
     {
@@ -1783,7 +1787,7 @@ compute_offset (HOST_WIDE_INT orig, HOST_WIDE_INT new, tree result)
       return result1;
     }
   orig_tree = build_int_cst (TREE_TYPE (result), orig);
-  new_tree = build_int_cst (TREE_TYPE (result), new);
+  new_tree = build_int_cst (TREE_TYPE (result), new_val);
   ratio = fold_build2 (TRUNC_DIV_EXPR, TREE_TYPE (result), result, orig_tree);
   result1 = fold_build2 (MULT_EXPR, TREE_TYPE (result), ratio, new_tree);
 

gcc/testsuite/ChangeLog

+2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* gcc.dg/Wcxx-compat-2.c: Adjust test for more warnings.
+
 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 
 	PR 26785

gcc/testsuite/gcc.dg/Wcxx-compat-2.c

 /* { dg-options "-Wc++-compat" } */
 
 int bool;
-int catch;
-int char16_t;
-int char32_t;
-int class;
+int catch;			/* { dg-warning "keyword" } */
+int char16_t;			/* { dg-warning "keyword" } */
+int char32_t;			/* { dg-warning "keyword" } */
+int class;			/* { dg-warning "keyword" } */
 int const_cast;			/* { dg-warning "keyword" } */
-int decltype;
-int delete;
+int decltype;			/* { dg-warning "keyword" } */
+int delete;			/* { dg-warning "keyword" } */
 int dynamic_cast;		/* { dg-warning "keyword" } */
-int explicit;
-int export;
-int false;
-int friend;
+int explicit;			/* { dg-warning "keyword" } */
+int export;			/* { dg-warning "keyword" } */
+int false;			/* { dg-warning "keyword" } */
+int friend;			/* { dg-warning "keyword" } */
 int mutable;			/* { dg-warning "keyword" } */
-int namespace;
-int new;
-int operator;
-int private;
-int protected;
-int public;
+int namespace;			/* { dg-warning "keyword" } */
+int new;			/* { dg-warning "keyword" } */
+int operator;			/* { dg-warning "keyword" } */
+int private;			/* { dg-warning "keyword" } */
+int protected;			/* { dg-warning "keyword" } */
+int public;			/* { dg-warning "keyword" } */
 int reinterpret_cast;		/* { dg-warning "keyword" } */
 int static_assert;		/* { dg-warning "keyword" } */
 int static_cast;		/* { dg-warning "keyword" } */
-int template;
-int this;
-int throw;
-int true;
-int try;
-int typename;
-int typeid;
-int using;
-int virtual;
+int template;			/* { dg-warning "keyword" } */
+int this;			/* { dg-warning "keyword" } */
+int throw;			/* { dg-warning "keyword" } */
+int true;			/* { dg-warning "keyword" } */
+int try;			/* { dg-warning "keyword" } */
+int typename;			/* { dg-warning "keyword" } */
+int typeid;			/* { dg-warning "keyword" } */
+int using;			/* { dg-warning "keyword" } */
+int virtual;			/* { dg-warning "keyword" } */
 int wchar_t;