From: Michael Matz <matz@gcc.gnu.org>
Date: Wed, 24 Oct 2007 12:54:24 +0000 (+0000)
Subject: re PR debug/33868 (Gross memory usage of var-tracking)
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e56f9152862a75cde8a27bed0e743b244621070d;p=platform%2Fupstream%2Fgcc.git

re PR debug/33868 (Gross memory usage of var-tracking)

        PR debug/33868
        * var-tracking.c (variable_union): Don't break after one loop
        * iteration
        but only when a difference is found.
        (dump_variable): Also print DECL_UID.

From-SVN: r129602
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5d05108..397bbb7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,21 +1,28 @@
+2007-10-24  Michael Matz  <matz@suse.de>
+
+	PR debug/33868
+	* var-tracking.c (variable_union): Don't break after one loop iteration
+	but only when a difference is found.
+	(dump_variable): Also print DECL_UID.
+
 2007-10-24  Olga Golovanevsky  <olga@il.ibm.com>
 
-      * ipa-type-escape.h: Expose function
-      is_array_access_through_pointer_and_index.
-      * ipa-type-escape.c
-      (is_array_access_through_pointer_and_index):
-      Add three new parameters. Add support of
-      POINTER_PLUS_EXPR tree code.
+	* ipa-type-escape.h: Expose function
+	is_array_access_through_pointer_and_index.
+	* ipa-type-escape.c
+	(is_array_access_through_pointer_and_index):
+	Add three new parameters. Add support of
+	POINTER_PLUS_EXPR tree code.
 
 2007-10-24  Olga Golovanevsky  <olga@il.ibm.com>
 
-      * ipa-struct-reorg.c, ipa-struct-reorg.h: New files.
-      * tree-pass.h: Add pass_ipa_struct_reorg.
-      * common.opt: Add ipa-struct-reorg flag.
-      * Makefile.in: Add ipa-strcut-reorg.o compilation.
-      * passes.c: Add pass pass_ipa_struct_reorg.
-      * params.h:  Add STRUCT_REORG_COLD_STRUCT_RATIO.
-      * params.def: Add PARAM_STRUCT_REORG_COLD_STRUCT_RATIO.
+	* ipa-struct-reorg.c, ipa-struct-reorg.h: New files.
+	* tree-pass.h: Add pass_ipa_struct_reorg.
+	* common.opt: Add ipa-struct-reorg flag.
+	* Makefile.in: Add ipa-strcut-reorg.o compilation.
+	* passes.c: Add pass pass_ipa_struct_reorg.
+	* params.h:  Add STRUCT_REORG_COLD_STRUCT_RATIO.
+	* params.def: Add PARAM_STRUCT_REORG_COLD_STRUCT_RATIO.
 
 2007-10-24  Ira Rosen  <irar@il.ibm.com>
 
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c
index ea6981a..9599b5a 100644
--- a/gcc/var-tracking.c
+++ b/gcc/var-tracking.c
@@ -1221,9 +1221,11 @@ variable_union (void **slot, void *data)
 			 && REG_P (node->loc)
 			 && REGNO (node2->loc) == REGNO (node->loc))
 			|| rtx_equal_p (node2->loc, node->loc)))
-		    if (node2->init < node->init)
-		      node2->init = node->init;
-		    break;
+		    {
+		      if (node2->init < node->init)
+		        node2->init = node->init;
+		      break;
+		    }
 		}
 	      if (node || node2)
 		dst = unshare_variable (set, dst, VAR_INIT_STATUS_UNKNOWN);
@@ -2209,8 +2211,13 @@ dump_variable (void **slot, void *data ATTRIBUTE_UNUSED)
   int i;
   location_chain node;
 
-  fprintf (dump_file, "  name: %s\n",
+  fprintf (dump_file, "  name: %s",
 	   IDENTIFIER_POINTER (DECL_NAME (var->decl)));
+  if (dump_flags & TDF_UID)
+    fprintf (dump_file, " D.%u\n", DECL_UID (var->decl));
+  else
+    fprintf (dump_file, "\n");
+
   for (i = 0; i < var->n_var_parts; i++)
     {
       fprintf (dump_file, "    offset %ld\n",