From: Mark Wielaard <mark@klomp.org>
Date: Sat, 11 Oct 2014 19:13:35 +0000 (+0000)
Subject: Bug 339858 arm64 recognize dmb sy. Data Memory Barrier full SYstem variant.
X-Git-Tag: svn/VALGRIND_3_11_0^2~176
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65fa659dac2814c4633791eb8faeac34160cee62;p=thirdparty%2Fvalgrind.git

Bug 339858 arm64 recognize dmb sy. Data Memory Barrier full SYstem variant.

git-svn-id: svn://svn.valgrind.org/vex/trunk@2975
---

diff --git a/VEX/priv/guest_arm64_toIR.c b/VEX/priv/guest_arm64_toIR.c
index 2aa145cc92..5ebe0a6079 100644
--- a/VEX/priv/guest_arm64_toIR.c
+++ b/VEX/priv/guest_arm64_toIR.c
@@ -5537,6 +5537,11 @@ Bool dis_ARM64_branch_etc(/*MB_OUT*/DisResult* dres, UInt insn,
       DIP("isb\n");
       return True;
    }
+   if (INSN(31,0) == 0xD5033FBF) {
+      stmt(IRStmt_MBE(Imbe_Fence));
+      DIP("dmb sy\n");
+      return True;
+   }
    if (INSN(31,0) == 0xD5033BBF) {
       stmt(IRStmt_MBE(Imbe_Fence));
       DIP("dmb ish\n");