From: Kito Cheng <kito@0xlab.org>
Date: Mon, 9 Jun 2014 04:21:42 +0000 (+0000)
Subject: ira.c (ira): Don't call init_caller_save if LRA enabled since LRA use its own infrast... 
X-Git-Tag: releases/gcc-5.1.0~7013
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=001010df9d0be0ee43974bc2b5b44dcb878a7318;p=thirdparty%2Fgcc.git

ira.c (ira): Don't call init_caller_save if LRA enabled since LRA use its own infrastructure...

	* ira.c (ira): Don't call init_caller_save if LRA enabled
	since LRA use its own infrastructure to handle that.

From-SVN: r211364
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2e6c5243103a..2df8ce283eb7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-06-09  Kito Cheng  <kito@0xlab.org>
+
+	* ira.c (ira): Don't call init_caller_save if LRA enabled
+	since LRA use its own infrastructure to handle that.
+
 2014-06-07  Jan Hubicka  <hubicka@ucw.cz>
 
 	* symtab.c (dump_symtab_base): Update dumping.
diff --git a/gcc/ira.c b/gcc/ira.c
index 9d9bdf9bdda0..6ee1c140f137 100644
--- a/gcc/ira.c
+++ b/gcc/ira.c
@@ -5166,7 +5166,8 @@ ira (FILE *f)
 #endif
   bitmap_obstack_initialize (&ira_bitmap_obstack);
 
-  if (flag_caller_saves)
+  /* LRA uses its own infrastructure to handle caller save registers.  */
+  if (flag_caller_saves && !ira_use_lra_p)
     init_caller_save ();
 
   if (flag_ira_verbose < 10)