From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 6 Feb 2015 20:50:07 +0000 (+0100)
Subject: toplev.c (process_options): Change flag_ipa_ra before creating optimization_{default... 
X-Git-Tag: releases/gcc-5.1.0~1101
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3ab4eedf1fdaa2f52c587a9e2b91255df32fcc1;p=thirdparty%2Fgcc.git

toplev.c (process_options): Change flag_ipa_ra before creating optimization_{default,current}_node.

	* toplev.c (process_options): Change flag_ipa_ra before creating
	optimization_{default,current}_node.

From-SVN: r220490
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 035baa52e803..531ffa0b30d8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 2015-02-06  Jakub Jelinek  <jakub@redhat.com>
 
+	* toplev.c (process_options): Change flag_ipa_ra before creating
+	optimization_{default,current}_node.
+
 	PR ipa/64896
 	* cgraphunit.c (cgraph_node::expand_thunk): If
 	restype is not is_gimple_reg_type nor the thunk_fndecl
diff --git a/gcc/toplev.c b/gcc/toplev.c
index c4bc74b6e797..99cf18069053 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1662,6 +1662,11 @@ process_options (void)
       flag_sanitize &= ~SANITIZE_ADDRESS;
     }
 
+ /* Do not use IPA optimizations for register allocation if profiler is active
+    or port does not emit prologue and epilogue as RTL.  */
+  if (profile_flag || !HAVE_prologue || !HAVE_epilogue)
+    flag_ipa_ra = 0;
+
   /* Enable -Werror=coverage-mismatch when -Werror and -Wno-error
      have not been set.  */
   if (!global_options_set.x_warnings_are_errors
@@ -1675,10 +1680,8 @@ process_options (void)
   optimization_default_node = build_optimization_node (&global_options);
   optimization_current_node = optimization_default_node;
 
- /* Disable use caller save optimization if profiler is active or port
-    does not emit prologue and epilogue as RTL.  */
-  if (profile_flag || !HAVE_prologue || !HAVE_epilogue)
-    flag_ipa_ra = 0;
+  /* Please don't change global_options after this point, those changes won't
+     be reflected in optimization_{default,current}_node.  */
 }
 
 /* This function can be called multiple times to reinitialize the compiler