diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index aecbef669c..57d3662f2c 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -235,6 +235,12 @@
 	* gas/aarch64/dwarf.d: New.
 	* gas/aarch64/dwarf.s: New.
 
+2015-06-04  Peter Bergner  <bergner@vnet.ibm.com>
+
+	* gas/ppc/a2.d: Fixup test case due to new extended mnemonic.
+	* gas/ppc/power4.s <hwsync, lwsync, ptesync, sync>: Add tests.
+	* gas/ppc/power4.d: Likewise.
+
 2015-06-03  Matthew Wahab  <matthew.wahab@arm.com>
 
 	* gas/arm/armv8-a+rdma.d: New.
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index cf446b458c..869033d5c4 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -84,6 +84,10 @@
 	* ppc-opc.c: Add comment accidentally removed by old commit.
 	(MTMSRD_L): Delete.
 
+2015-06-04  Peter Bergner  <bergner@vnet.ibm.com>
+
+	* ppc-opc.c: (powerpc_opcodes) <hwsync>: New extended mnemonic.
+
 2015-06-04  Nick Clifton  <nickc@redhat.com>
 
 	PR 18474