Support the "ishst" variant of "dmb". Fixes #335263. (dimitry@google.com)

git-svn-id: svn://svn.valgrind.org/vex/trunk@2867

diff --git a/VEX/priv/guest_arm64_toIR.c b/VEX/priv/guest_arm64_toIR.c
index 7876ee11ed0047f8c7e3a7d0a79625b18a4b239a..d0953683d46b2f67e04e667b4e0883d3b024d5c4 100644 (file)
--- a/VEX/priv/guest_arm64_toIR.c
+++ b/VEX/priv/guest_arm64_toIR.c
@@ -4731,6 +4731,11 @@ Bool dis_ARM64_branch_etc(/*MB_OUT*/DisResult* dres, UInt insn,
       DIP("dmb ish\n");
       return True;
    }
+   if (INSN(31,0) == 0xD5033ABF) {
+      stmt(IRStmt_MBE(Imbe_Fence));
+      DIP("dmb ishst\n");
+      return True;
+   }
    if (INSN(31,0) == 0xD5033B9F) {
       stmt(IRStmt_MBE(Imbe_Fence));
       DIP("dsb ish\n");