From: Kaz Kojima <kkojima@gcc.gnu.org>
Date: Tue, 7 Jul 2015 12:29:16 +0000 (+0000)
Subject: re PR target/66780 (Compiling with -fstack-protector-strong causes binary to segfault)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=186eb4cb4333f6ad6152905b7a4a7940cc867eb9;p=gcc.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: r225512
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6dab8a1907e..988fce30781 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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.
+
 2015-07-07  Paulo Matos  <pmatos@broadcom.com>
 
 	* symtab.c (address_matters_1): Fix typo in comment above.
diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md
index 5c8d3068255..f0cb3cfe8c4 100644
--- a/gcc/config/sh/sh.md
+++ b/gcc/config/sh/sh.md
@@ -10751,12 +10751,6 @@ label:
 		 "__stack_chk_guard") == 0)
     stack_chk_guard_p = true;
 
-  /* Use R0 to avoid long R0 liveness which stack-protector tends to
-     produce.  */
-  if (! sh_lra_flag
-      && stack_chk_guard_p && ! reload_in_progress && ! reload_completed)
-    operands[2] = gen_rtx_REG (Pmode, R0_REG);
-
   if (TARGET_SHMEDIA)
     {
       rtx reg = operands[2];