re PR target/13750 (Ada bootstrap failure on Tru64 UNIX: b_gnat[1b].o comparison failure)

	PR middle-end/13750
	Revert:
	2004-01-15  Geoffrey Keating  <geoffk@apple.com>
	PR pch/13361
	* c-typeck.c (constructor_asmspec): Delete.
	(struct initializer_stack): Delete field 'asmspec'.
	(start_init): Delete saving of asmspec.
	(finish_init): Don't update constructor_asmspec.
	* dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
	* stmt.c (expand_asm): Duplicate strings from tree.
	(expand_asm_operands): Likewise.
	* tree.c (tree_size): Update computation of size of STRING_CST.
	(make_node): Don't make STRING_CST nodes.
	(build_string): Allocate string with tree node.
	* tree.def (STRING_CST): Update comment.
	* tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
	(tree_string): Place contents of string in tree node.
	* config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
	from tree.

	cp:
	PR middle-end/13750
	Revert:
	2004-01-15  Geoffrey Keating  <geoffk@apple.com>
	PR pch/13361
	* cp/lex.c (handle_pragma_interface): Duplicate string from tree.
	(handle_pragma_implementation): Likewise.

	testsuite:
	PR middle-end/13750
	Revert:
	2004-01-15  Geoffrey Keating  <geoffk@apple.com>
	PR pch/13361
	* testsuite/g++.dg/pch/wchar-1.C: New.
	* testsuite/g++.dg/pch/wchar-1.Hs: New.

From-SVN: r77343

gcc/ChangeLog

+2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	PR middle-end/13750
+	Revert:
+	2004-01-15  Geoffrey Keating  <geoffk@apple.com>
+	PR pch/13361
+	* c-typeck.c (constructor_asmspec): Delete.
+	(struct initializer_stack): Delete field 'asmspec'.
+	(start_init): Delete saving of asmspec.
+	(finish_init): Don't update constructor_asmspec.
+	* dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
+	* stmt.c (expand_asm): Duplicate strings from tree.
+	(expand_asm_operands): Likewise.
+	* tree.c (tree_size): Update computation of size of STRING_CST.
+	(make_node): Don't make STRING_CST nodes.
+	(build_string): Allocate string with tree node.
+	* tree.def (STRING_CST): Update comment.
+	* tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
+	(tree_string): Place contents of string in tree node.
+	* config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
+	from tree.
+
 2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>
 
 	* diagnostic.h (DEFINE_DIAGNOSTIC_KIND): Change parameter M to

gcc/c-typeck.c

@@ -4112,6 +4112,9 @@ static int require_constant_elements;
    such as (struct foo) {...}.  */
 static tree constructor_decl;
 
+/* start_init saves the ASMSPEC arg here for really_start_incremental_init.  */
+static const char *constructor_asmspec;
+
 /* Nonzero if this is an initializer for a top-level decl.  */
 static int constructor_top_level;
 
@@ -4183,6 +4186,7 @@ struct initializer_stack
 {
   struct initializer_stack *next;
   tree decl;
+  const char *asmspec;
   struct constructor_stack *constructor_stack;
   struct constructor_range_stack *constructor_range_stack;
   tree elements;
@@ -4199,12 +4203,17 @@ struct initializer_stack *initializer_stack;
 /* Prepare to parse and output the initializer for variable DECL.  */
 
 void
-start_init (tree decl, tree asmspec_tree ATTRIBUTE_UNUSED, int top_level)
+start_init (tree decl, tree asmspec_tree, int top_level)
 {
   const char *locus;
   struct initializer_stack *p = xmalloc (sizeof (struct initializer_stack));
+  const char *asmspec = 0;
+
+  if (asmspec_tree)
+    asmspec = TREE_STRING_POINTER (asmspec_tree);
 
   p->decl = constructor_decl;
+  p->asmspec = constructor_asmspec;
   p->require_constant_value = require_constant_value;
   p->require_constant_elements = require_constant_elements;
   p->constructor_stack = constructor_stack;
@@ -4218,6 +4227,7 @@ start_init (tree decl, tree asmspec_tree ATTRIBUTE_UNUSED, int top_level)
   initializer_stack = p;
 
   constructor_decl = decl;
+  constructor_asmspec = asmspec;
   constructor_designated = 0;
   constructor_top_level = top_level;
 
@@ -4274,6 +4284,7 @@ finish_init (void)
   free (spelling_base);
   
   constructor_decl = p->decl;
+  constructor_asmspec = p->asmspec;
   require_constant_value = p->require_constant_value;
   require_constant_elements = p->require_constant_elements;
   constructor_stack = p->constructor_stack;

gcc/config/sh/sh.c

@@ -6776,8 +6776,8 @@ sh_handle_sp_switch_attribute (tree *node, tree name, tree args,
     }
   else
     {
-      const char *s = ggc_strdup (TREE_STRING_POINTER (TREE_VALUE (args)));
-      sp_switch = gen_rtx_SYMBOL_REF (VOIDmode, s);
+      sp_switch = gen_rtx_SYMBOL_REF (VOIDmode,
+				      TREE_STRING_POINTER (TREE_VALUE (args)));
     }
 
   return NULL_TREE;

gcc/cp/ChangeLog

+2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	PR middle-end/13750
+	Revert:
+	2004-01-15  Geoffrey Keating  <geoffk@apple.com>
+	PR pch/13361
+	* cp/lex.c (handle_pragma_interface): Duplicate string from tree.
+	(handle_pragma_implementation): Likewise.
+
 2004-02-05  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/13714

gcc/cp/lex.c

@@ -535,7 +535,7 @@ handle_pragma_interface (cpp_reader* dfile ATTRIBUTE_UNUSED )
   else if (fname == 0)
     main_filename = lbasename (input_filename);
   else
-    main_filename = ggc_strdup (TREE_STRING_POINTER (fname));
+    main_filename = TREE_STRING_POINTER (fname);
 
   finfo = get_fileinfo (input_filename);
 
@@ -585,7 +585,7 @@ handle_pragma_implementation (cpp_reader* dfile ATTRIBUTE_UNUSED )
     }
   else
     {
-      main_filename = ggc_strdup (TREE_STRING_POINTER (fname));
+      main_filename = TREE_STRING_POINTER (fname);
       if (cpp_included (parse_in, main_filename))
 	warning ("#pragma implementation for %s appears after file is included",
 		 main_filename);

gcc/dwarf2out.c

@@ -9429,8 +9429,7 @@ rtl_for_decl_location (tree decl)
 				   TREE_STRING_LENGTH (init) - 1) == 0
 	      && ((size_t) TREE_STRING_LENGTH (init)
 		  == strlen (TREE_STRING_POINTER (init)) + 1))
-	    rtl = gen_rtx_CONST_STRING (VOIDmode,
-					ggc_strdup (TREE_STRING_POINTER (init)));
+	    rtl = gen_rtx_CONST_STRING (VOIDmode, TREE_STRING_POINTER (init));
 	}
       /* If the initializer is something that we know will expand into an
 	 immediate RTL constant, expand it now.  Expanding anything else

gcc/stmt.c

@@ -1102,8 +1102,7 @@ expand_asm (tree string, int vol)
   if (TREE_CODE (string) == ADDR_EXPR)
     string = TREE_OPERAND (string, 0);
 
-  body = gen_rtx_ASM_INPUT (VOIDmode,
-			    ggc_strdup (TREE_STRING_POINTER (string)));
+  body = gen_rtx_ASM_INPUT (VOIDmode, TREE_STRING_POINTER (string));
 
   MEM_VOLATILE_P (body) = vol;
 
@@ -1665,7 +1664,7 @@ expand_asm_operands (tree string, tree outputs, tree inputs,
 
   body = gen_rtx_ASM_OPERANDS ((noutputs == 0 ? VOIDmode
 				: GET_MODE (output_rtx[0])),
-			       ggc_strdup (TREE_STRING_POINTER (string)),
+			       TREE_STRING_POINTER (string),
 			       empty_string, 0, argvec, constraintvec,
 			       locus.file, locus.line);
 
@@ -1746,8 +1745,7 @@ expand_asm_operands (tree string, tree outputs, tree inputs,
       ASM_OPERANDS_INPUT (body, i) = op;
 
       ASM_OPERANDS_INPUT_CONSTRAINT_EXP (body, i)
-	= gen_rtx_ASM_INPUT (TYPE_MODE (type), 
-			     ggc_strdup (constraints[i + noutputs]));
+	= gen_rtx_ASM_INPUT (TYPE_MODE (type), constraints[i + noutputs]);
 
       if (decl_conflicts_with_clobbers_p (val, clobbered_regs))
 	clobber_conflict_found = 1;
@@ -1788,7 +1786,7 @@ expand_asm_operands (tree string, tree outputs, tree inputs,
 
   if (noutputs == 1 && nclobbers == 0)
     {
-      ASM_OPERANDS_OUTPUT_CONSTRAINT (body) = ggc_strdup (constraints[0]);
+      ASM_OPERANDS_OUTPUT_CONSTRAINT (body) = constraints[0];
       emit_insn (gen_rtx_SET (VOIDmode, output_rtx[0], body));
     }
 
@@ -1816,9 +1814,8 @@ expand_asm_operands (tree string, tree outputs, tree inputs,
 			   output_rtx[i],
 			   gen_rtx_ASM_OPERANDS
 			   (GET_MODE (output_rtx[i]),
-			    ggc_strdup (TREE_STRING_POINTER (string)),
-			    ggc_strdup (constraints[i]),
-			    i, argvec, constraintvec,
+			    TREE_STRING_POINTER (string),
+			    constraints[i], i, argvec, constraintvec,
 			    locus.file, locus.line));
 
 	  MEM_VOLATILE_P (SET_SRC (XVECEXP (body, 0, i))) = vol;

gcc/testsuite/ChangeLog

-2003-02-05  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
+2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	PR middle-end/13750
+	Revert:
+	2004-01-15  Geoffrey Keating  <geoffk@apple.com>
+	PR pch/13361
+	* testsuite/g++.dg/pch/wchar-1.C: New.
+	* testsuite/g++.dg/pch/wchar-1.Hs: New.
+
+2004-02-05  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
 
 	PR c++/14008
 	* g++.dg/parse/error15.C: New test.

gcc/testsuite/g++.dg/pch/wchar-1.C

-#include "wchar-1.H"

gcc/testsuite/g++.dg/pch/wchar-1.Hs

-#include <stddef.h>
-const wchar_t test_var[] = L"wide string";

gcc/tree.c

@@ -168,8 +168,7 @@ tree_size (tree node)
 	case REAL_CST:		return sizeof (struct tree_real_cst);
 	case COMPLEX_CST:	return sizeof (struct tree_complex);
 	case VECTOR_CST:	return sizeof (struct tree_vector);
-	case STRING_CST:
-	  return sizeof (struct tree_string) + TREE_STRING_LENGTH (node);
+	case STRING_CST:	return sizeof (struct tree_string);
 	default:
 	  return (*lang_hooks.tree_size) (code);
 	}
@@ -213,8 +212,8 @@ make_node (enum tree_code code)
   struct tree_common ttmp;
 
   /* We can't allocate a TREE_VEC without knowing how many elements
-     it will have; likewise a STRING_CST without knowing the length.  */
-  if (code == TREE_VEC || code == STRING_CST)
+     it will have.  */
+  if (code == TREE_VEC)
     abort ();
 
   TREE_SET_CODE ((tree)&ttmp, code);
@@ -526,23 +525,10 @@ build_real_from_int_cst (tree type, tree i)
 tree
 build_string (int len, const char *str)
 {
-  tree s;
-  size_t length;
-  
-  length = len + sizeof (struct tree_string);
-
-#ifdef GATHER_STATISTICS
-  tree_node_counts[(int) c_kind]++;
-  tree_node_sizes[(int) c_kind] += length;
-#endif  
-
-  s = ggc_alloc_tree (length);
+  tree s = make_node (STRING_CST);
 
-  memset (s, 0, sizeof (struct tree_common));
-  TREE_SET_CODE (s, STRING_CST);
   TREE_STRING_LENGTH (s) = len;
-  memcpy ((char *) TREE_STRING_POINTER (s), str, len);
-  ((char *) TREE_STRING_POINTER (s))[len] = '\0';
+  TREE_STRING_POINTER (s) = ggc_alloc_string (str, len);
 
   return s;
 }

gcc/tree.def

@@ -274,7 +274,7 @@ DEFTREECODE (COMPLEX_CST, "complex_cst", 'c', 0)
 /* Contents are in TREE_VECTOR_CST_ELTS field.  */
 DEFTREECODE (VECTOR_CST, "vector_cst", 'c', 0)     
 
-/* Contents are TREE_STRING_LENGTH and the actual contents of the string.  */
+/* Contents are TREE_STRING_LENGTH and TREE_STRING_POINTER fields.  */
 DEFTREECODE (STRING_CST, "string_cst", 'c', 0)
 
 /* Declarations.  All references to names are represented as ..._DECL

gcc/tree.h

@@ -707,13 +707,13 @@ struct tree_real_cst GTY(())
 
 /* In a STRING_CST */
 #define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
-#define TREE_STRING_POINTER(NODE) (STRING_CST_CHECK (NODE)->string.str)
+#define TREE_STRING_POINTER(NODE) (STRING_CST_CHECK (NODE)->string.pointer)
 
 struct tree_string GTY(())
 {
   struct tree_common common;
   int length;
-  const char str[1];
+  const char *pointer;
 };
 
 /* In a COMPLEX_CST node.  */