From f411a73a8caf915d2685c5065de6c918de76daad Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 25 May 2004 11:10:41 -0700
Subject: [PATCH] alias.c (init_alias_analysis): Use ggc_calloc instead of
 xrealloc.

       * alias.c (init_alias_analysis): Use ggc_calloc instead of
       xrealloc.
       (end_alias_analysis): Use ggc_free instead fo free.

From-SVN: r82251
---
 gcc/ChangeLog | 6 ++++++
 gcc/alias.c   | 7 ++-----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5819e6c34c4a..2de0da592774 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-05-25  Devang Patel  <dpatel@apple.com>
+
+	* alias.c (init_alias_analysis): Use ggc_calloc instead of
+	xrealloc.
+	(end_alias_analysis): Use ggc_free instead fo free.
+	
 2004-05-25  Andrew Pinski  <pinskia@physics.uc.edu>
 
 	PR target/15546
diff --git a/gcc/alias.c b/gcc/alias.c
index 46d1dca0168c..18566c564c56 100644
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -2827,10 +2827,7 @@ init_alias_analysis (void)
   reg_seen = xmalloc (maxreg);
   if (! reload_completed && flag_old_unroll_loops)
     {
-      /* ??? Why are we realloc'ing if we're just going to zero it?  */
-      alias_invariant = xrealloc (alias_invariant,
-				  maxreg * sizeof (rtx));
-      memset (alias_invariant, 0, maxreg * sizeof (rtx));
+      alias_invariant = ggc_calloc (maxreg, sizeof (rtx));
       alias_invariant_size = maxreg;
     }
 
@@ -3031,7 +3028,7 @@ end_alias_analysis (void)
   reg_known_equiv_p = 0;
   if (alias_invariant)
     {
-      free (alias_invariant);
+      ggc_free (alias_invariant);
       alias_invariant = 0;
       alias_invariant_size = 0;
     }
-- 
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