From: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 30 May 2016 19:06:38 +0000 (+0000)
Subject: 	* config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e3937881f98c83623263db43bbc8e6eb9456f937;p=thirdparty%2Fgcc.git

	* config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236895 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c6a32261af83..537d79c11c8f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
+
 2016-05-30  Andi Kleen  <ak@linux.intel.com>
 
 	* auto-profile.c (read_profile): Replace asserts with errors
@@ -5,7 +9,7 @@
 	* gcov-io.c (gcov_read_words): Dito.
 
 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
-	
+
 	* tree-cfg.c (print_loop): Print likely upper bounds.
 
 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
diff --git a/gcc/config/i386/sync.md b/gcc/config/i386/sync.md
index 9acf5ca8a873..b065e2365ffa 100644
--- a/gcc/config/i386/sync.md
+++ b/gcc/config/i386/sync.md
@@ -98,7 +98,7 @@
 	(unspec:BLK [(match_dup 0)] UNSPEC_MFENCE))
    (clobber (reg:CC FLAGS_REG))]
   "!(TARGET_64BIT || TARGET_SSE2)"
-  "lock{%;} or{l}\t{$0, (%%esp)|DWORD PTR [esp], 0}"
+  "lock{%;} or{l}\t{$0, -4(%%esp)|DWORD PTR [esp-4], 0}"
   [(set_attr "memory" "unknown")])
 
 (define_expand "mem_thread_fence"