From: Kaz Kojima <kkojima@gcc.gnu.org>
Date: Tue, 7 Jul 2015 20:39:28 +0000 (+0000)
Subject: re PR target/66780 (Compiling with -fstack-protector-strong causes binary to segfault)
X-Git-Tag: releases/gcc-4.9.4~713
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5b85513055c82d163e87f3cf51dbbd4203257a4;p=thirdparty%2Fgcc.git

re PR target/66780 (Compiling with -fstack-protector-strong causes binary to segfault)

PR target/66780
* config/sh/sh.md (symGOT_load): Revert a part of 2015-03-03 change for target/65249.

From-SVN: r225526
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 342ec1cf8d60..ba4137d36dab 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2015-07-07  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	Backport form mainline
+	2015-07-07  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	PR target/66780
+	* config/sh/sh.md (symGOT_load): Revert a part of 2015-03-03
+	change for target/65249.
+
 2015-07-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	Backport from mainline r224725
diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md
index 382540156d75..488b6651e25d 100644
--- a/gcc/config/sh/sh.md
+++ b/gcc/config/sh/sh.md
@@ -10158,11 +10158,6 @@ label:
 		 "__stack_chk_guard") == 0)
     stack_chk_guard_p = true;
 
-  /* Use R0 to avoid long R0 liveness which stack-protector tends to
-     produce.  */
-  if (stack_chk_guard_p && ! reload_in_progress && ! reload_completed)
-    operands[2] = gen_rtx_REG (Pmode, R0_REG);
-
   if (TARGET_SHMEDIA)
     {
       rtx reg = operands[2];