function.h (struct function): Add rtl_inline_init, saved_for_inline.

        * function.h (struct function): Add rtl_inline_init, saved_for_inline.
        * integrate.c (save_for_inline): Set saved_for_inline.
        * c-semantics.c (genrtl_scope_stmt): Check it.
        * toplev.c (wrapup_global_declarations): Check it.
        (rest_of_handle_inlining): Set and check rtl_inline_init.
        (rest_of_compilation): Remove out of date comment.

From-SVN: r70931

5 files changed, 22 insertions, 6 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d3443b5..d573615 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,14 @@
 2003-08-29  Richard Henderson  <rth@redhat.com>
 
+	* function.h (struct function): Add rtl_inline_init, saved_for_inline.
+	* integrate.c (save_for_inline): Set saved_for_inline.
+	* c-semantics.c (genrtl_scope_stmt): Check it.
+	* toplev.c (wrapup_global_declarations): Check it.
+	(rest_of_handle_inlining): Set and check rtl_inline_init.
+	(rest_of_compilation): Remove out of date comment.
+
+2003-08-29  Richard Henderson  <rth@redhat.com>
+
 	* function.c (allocate_struct_function): New, split out of ...
 	(prepare_function_start, init_function_start): ... here.
 	* expr.c (init_expr): Use ggc_alloc_cleared.
diff --git a/gcc/c-semantics.c b/gcc/c-semantics.c
index cbffbe0..4163d44 100644
--- a/gcc/c-semantics.c
+++ b/gcc/c-semantics.c
@@ -645,6 +645,7 @@ genrtl_scope_stmt (tree t)
 	  if (TREE_CODE (fn) == FUNCTION_DECL
 	      && DECL_CONTEXT (fn) == current_function_decl
 	      && DECL_SAVED_INSNS (fn)
+	      && DECL_SAVED_INSNS (fn)->saved_for_inline
 	      && !TREE_ASM_WRITTEN (fn)
 	      && TREE_ADDRESSABLE (fn))
 	    {
diff --git a/gcc/function.h b/gcc/function.h
index 4216acb..f94a642 100644
--- a/gcc/function.h
+++ b/gcc/function.h
@@ -504,6 +504,13 @@ struct function GTY(())
 
   /* Nonzero if code to initialize arg_pointer_save_area has been emitted.  */
   unsigned int arg_pointer_save_area_init : 1;
+
+  /* Flag for use by ther rtl inliner, to tell if the function has been
+     processed at least once.  */
+  unsigned int rtl_inline_init : 1;
+
+  /* Nonzero if the rtl inliner has saved the function for inlining.  */
+  unsigned int saved_for_inline : 1;
 };
 
 /* The function currently being compiled.  */
diff --git a/gcc/integrate.c b/gcc/integrate.c
index a8ee4fa..15474ba 100644
--- a/gcc/integrate.c
+++ b/gcc/integrate.c
@@ -492,7 +492,7 @@ save_for_inline (tree fndecl)
     }
   cfun->original_decl_initial = DECL_INITIAL (fndecl);
   cfun->no_debugging_symbols = (write_symbols == NO_DEBUG);
-  DECL_SAVED_INSNS (fndecl) = cfun;
+  cfun->saved_for_inline = 1;
 
   /* Clean up.  */
   if (! flag_no_inline)
diff --git a/gcc/toplev.c b/gcc/toplev.c
index 418fa35..3e639c6 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1588,6 +1588,7 @@ wrapup_global_declarations (tree *vec, int len)
 	  if (TREE_CODE (decl) == FUNCTION_DECL
 	      && DECL_INITIAL (decl) != 0
 	      && DECL_SAVED_INSNS (decl) != 0
+	      && DECL_SAVED_INSNS (decl)->saved_for_inline
 	      && (flag_keep_inline_functions
 		  || (TREE_PUBLIC (decl) && !DECL_COMDAT (decl))
 		  || TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))))
@@ -2464,8 +2465,9 @@ rest_of_handle_inlining (tree decl)
 
   /* If we are reconsidering an inline function at the end of
      compilation, skip the stuff for making it inline.  */
-  if (DECL_SAVED_INSNS (decl) != 0)
+  if (cfun->rtl_inline_init)
     return 0;
+  cfun->rtl_inline_init = 1;
 
   /* If this is nested inside an inlined external function, pretend
      it was only declared.  Since we cannot inline such functions,
@@ -2522,7 +2524,7 @@ rest_of_handle_inlining (tree decl)
 
   if (open_dump_file (DFI_rtl, decl))
     {
-      if (DECL_SAVED_INSNS (decl))
+      if (DECL_SAVED_INSNS (decl) && DECL_SAVED_INSNS (decl)->saved_for_inline)
 	fprintf (rtl_dump_file, ";; (integrable)\n\n");
       close_dump_file (DFI_rtl, print_rtl, insns);
     }
@@ -3553,9 +3555,6 @@ rest_of_compilation (tree decl)
   if (! DECL_DEFER_OUTPUT (decl))
     {
       free_after_compilation (cfun);
-
-      /* Clear integrate.c's pointer to the cfun structure we just
-	 destroyed.  */
       DECL_SAVED_INSNS (decl) = 0;
     }
   cfun = 0;